what does Martin Luther King Jr. mean when he said: "Let freedom ring"?

Answers

Answer 1

Answer:

Through the expression, "let freedom ring", Martin Luther King Jr. was emphasizing on the need for community effort throughout the nation in order to counteract segregation. Let freedom ring is a metaphor for the action of spreading equality

Step-by-step explanation:

Answer 2

Answer:this isn’t in the right spot it’s in math. But when mlk says this he wants equality for all people through the country and this is the metaphor he uses. He wants justice and freedom to be granted to all.

Step-by-step explanation:


Related Questions

On tax free weekend, Alyssa bought 3 pairs of blue jeans for $92.31. The cost of the jeans is proportional to the number of pairs of jeans bought. What is the constant of proportionality in terms of dollars per pair of jeans?

Answers

Final answer:

The constant of proportionality, which is the cost per pair of jeans, is found by dividing the total cost by the number of pairs. For Alyssa's purchase of 3 pairs of jeans for $92.31, the constant of proportionality is $30.77 per pair.

Explanation:

To determine the constant of proportionality for the jeans Alyssa bought, we need to divide the total cost by the number of pairs of jeans she purchased. Since Alyssa bought 3 pairs of jeans for $92.31, we calculate the constant of proportionality as follows:


 Step 1: Identify the total cost of jeans, which is $92.31.
 Step 2: Identify the number of pairs of jeans, which is 3.
 Step 3: Divide the total cost by the number of pairs to find the cost per pair.
 Step 4: $92.31 ÷ 3 pairs = $30.77 per pair.

Therefore, the constant of proportionality is $30.77 per pair of jeans.

Final answer:

The constant of proportionality, or the cost per pair of blue jeans, is $30.77 calculated by dividing the total cost of $92.31 by the number of blue jeans, which is 3.

Explanation:

The student has asked how to find the constant of proportionality, which in this context is the cost per pair of blue jeans when buying multiple pairs. If Alyssa bought 3 pairs of blue jeans for a total of $92.31 on tax free weekend, we can calculate the cost per pair by dividing the total cost by the number of pairs. The constant of proportionality would be: $92.31 / 3 = $30.77 per pair of jeans.

Solve for x. −6≥10−8x Enter your answer as an inequality in the box.

Answers

The solution of the expression of the inequality - 6 ≥ 10 - 8x for x

would be;

⇒ x ≥ 2

What is Mathematical expression?

The combination of numbers and variables by using operations addition, subtraction, multiplication and division is called Mathematical expression.

Given that;

The expression of the inequality is;

⇒ - 6 ≥ 10 - 8x

Now,

Solve the inequality for x as;

The inequality is;

⇒ - 6 ≥ 10 - 8x

Add 8x both side, we get;

⇒ - 6 + 8x ≥ 10 - 8x + 8x

⇒ - 6 + 8x ≥ 10

Add 6 both side, we get;

⇒ - 6 + 8x + 6 ≥ 10 + 6

⇒ 8x ≥ 16

Divide by 8 both side, we get;

⇒ x ≥ 16/8

⇒ x ≥ 2

Hence, - 6 ≥ 10 - 8x ⇒  x ≥ 2

Thus, The solution of the expression of the inequality - 6 ≥ 10 - 8x, for x will be;

⇒ x ≥ 2

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Need help doing this

Answers

Answer:

  A.  -2

  B.  -10

Step-by-step explanation:

The slope of a perpendicular line will be the negative reciprocal of the slope of the given line:

  -1/(1/2) = -2 . . . . slope of the perpendicular line

__

The y-intercept will let the given point satisfy the equation ...

  y = -2x +b

  2 = -2(-6) +b

  -10 = b . . . . . . . subtract 12. This is the y-intercept.

_____

The graph shows the two lines and the points they go through.

Which expression is equivalent to 30 (one-half x minus 2) + 40 (three-fourths y minus 4)? 45 x y minus 220 15 x minus 30 y minus 220 15 x + 30 y minus 220 15 x + 30 y minus 64

Answers

Answer:

The third option is correct i.e. 15 x + 30 y minus 220.

Step-by-step explanation:

We have to choose expression from the option that is equivalent to

[tex]30(\frac{1}{2}x - 2) + 40(\frac{3}{4}y - 4)[/tex]

Now, [tex]30(\frac{1}{2}x - 2) + 40(\frac{3}{4}y - 4)[/tex]

= 15x - 60 + 30y - 160

= 15x + 30y - 220

Therefore, the third option is correct i.e. 15 x + 30 y minus 220. (Answer)

Step-by-step explanation: C.

PLEASE HELPPP!!! QUESTION AND ANSWERS IN PICTURE !!!

Answers

Answer:option D is the correct answer

Step-by-step explanation:

The given triangle is a right angle triangle.

From the given right angle triangle,

The hypotenuse of the right angle triangle is 8

With m∠60 as the reference angle,

The adjacent side of the right angle triangle is 4

The opposite side of the right angle triangle is 4√3

To determine Cos 60, we would apply

the cosine trigonometric ratio.

Cos θ = adjacent side/hypotenuse. Therefore,

Cos 60 = 4/8 = 1/2

To determine Tan 60, we would apply the Tangent trigonometric ratio.

Tan θ = opposite side/adjacent side. Therefore,

Tan 60 = 4√3/4

Tan 60 = √3

The answer is most definitely is D. I’m very positive

Riley needs to rent a car while on vacation. The rental company charges $18.95, plus 16 cents for each mile driven. If Riley only has $50 to spend on the car rental, what is the maximum number of miles she can drive

Answers

Answer:

Step-by-step explanation:

Let x represent the maximum number of miles that she can drive.

Riley needs to rent a car while on vacation. The rental company charges $18.95, plus 16 cents for each mile driven. Converting 16 cents to dollars, it becomes 16/100 = $0.16

Assuming Riley drives the car for x miles, the total charge would be

0.16x + 18.95

If Riley only has $50 to spend on the car rental, it means that

0.16x + 18.95 = 50

0.16x = 50 - 18.95

0.16x = 31.05

x = 31.05/0.16 = 194.0625

The maximum number of miles that

she can drive is 194 miles.

Jim received a $2000 loan from his bank. The loan accrues 3% interest every 3 months. How much will Jim owe the bank after 4 years? Round to the nearest cent

Answers

Answer:

$2253.98

Step-by-step explanation:

Jim received a $2000 loan from his bank. The loan accrues 3% interest every 3 months.

[tex]A=P(1+\frac{r}{n} )^{nt}[/tex]

P=2000

r= 3%=0.03  and t= 4 years

interest every 3 months so n= 4

[tex]A=2000(1+\frac{.03}{4} )^{4 \cdot 4}[/tex]

[tex]A=2000(1+\frac{.03}{4} )^{16}\\A=2000(1.0075)^{16}\\\\A=2253.98[/tex]

Compound interest is the addition of interest. The interest that is needed to be paid by Jim in the 4 years of tenure is $2253.98.

What is compound interest?

Compound interest is the addition of interest on the interest of the principal amount. It is given by the formula,

[tex]A = P(1+ \dfrac{r}{n})^{nt}[/tex]

We know that the Principal amount received by Jim is $2000, while the interest that Jim needs to pay is 3% quarterly, therefore, he needs to pay the interest 4 times a year. Thus, the value of n is 4.

Now, we know all the values therefore, substitute the values in the formula of compound interest,

[tex]A = P(1+ \dfrac{r}{n})^{nt}[/tex]

[tex]A = 2000(1+ \dfrac{3}{4})^{4 \times 4}\\\\A = \$2,253.98[/tex]

Hence, the interest that is needed to be paid by Jim in the 4 years of tenure is $2253.98.

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Chris is purchasing a house and needs to finance a $150,000 mortgage from the bank with an annual percentage rate (APR) of 3.8%

He is financing it over 30 years and making monthly payments. What is the total amount Chris will pay back to the bank?

Group of answer choices

$501,796

$299,998

$251,618

$150,001

Answers

Answer:

$251,618 is the answer

Step-by-step explanation:

From the previous question, we know he pays $698.94 monthly.

He has to make 360 payments. $698.94 * 360 = $251,618

Brian has an unlimited number of cents​ (pennies), nickels, and dimes. in how many different ways can he pay 1414cents¢ for a chocolate​ mint?

Answers

Answer:

The answer is 470 191 764

Step-by-step explanation:

Let's see how we got the figure. First, we need to check our data, or the information supplied.

Data:

There are unlimited pennies, nickels, and dimes. Therefore, it means that Brian can use any one of those to buy his chocolate. Second, there is 1414 coins. These coins come in three different forms mentioned in the first point:  pennies, nickels, and dimes.Thus, we have 3 types of coins.We need to use a number of combinations so that none of the combinations is repeated. A formula for n distinct objects taken at different times will be: nCr = C(n,r) = n!/r!(n-r)!n = 1414 coins, r is the types of coins = 3Therefore, the formula will be:

       nCr = 1414!/ 3! (1414-3)!

              = 470 191 764

It therefore means that Brian can combine all the 1414 coins in 470 191 764 ways. This makes sense as reflected by the large number of coins he has.  

Sisters Helen and Anne live 332 miles apart. For Thanksgiving, they met at their other sister's house partway between their homes. Helen drove 3.2 hours and Anne drove 2.8 hours. Helen's average speed was 10 miles per hour faster than Anne's. Find Helen's average speed and Anne's average speed.

Answers

Answer:

Helen: 60mph and Anne: 50mph

Step-by-step explanation:

3.2r+2.8(r-10)=332 is the equation that we use, given the information we have.

We distribute and combine like terms and add 28 to both sides and divide by 6.

3.2r+2.8(r-10)=332

3.2r+2.8r-28=332

                6r=360

             6r/6=360/6

                  r=60  So, Helen's speed is 60mph.

Next, we'll solve Anne's speed.

r-10=50

60-10=50  So, Anne's speed is 50mph.

Anne's average speed was approximately 45 mph, and Helen's average speed was approximately 55 mph.

Let's denote Helen's average speed as "H" and Anne's average speed as "A." We are given that Helen drove for 3.2 hours, and Anne drove for 2.8 hours. We also know that Helen's average speed was 10 miles per hour faster than Anne's, so we can write this relationship as:

H = A + 10

Now, using the formula Speed = Distance / Time, we can express the distances traveled by Helen and Anne:

Distance covered by Helen = H * 3.2

Distance covered by Anne = A * 2.8

Given that the sum of their distances equals the distance between their homes (332 miles):

H * 3.2 + A * 2.8 = 332

Substituting the relationship H = A + 10, we get:

(A + 10) * 3.2 + A * 2.8 = 332

Solving this equation will provide us with Anne's average speed (A), and subsequently, we can find Helen's average speed (H) using the relationship H = A + 10.

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In the year 2011, Ryan's boat had a value of $23,000. When he bought the boat in 2004 he paid $26,500. If the value of the boat depreciated linearly, what was the annual rate of change of the boat's value? Round your answer to the nearest hundredth if necessary.

Answers

The constant amount of depreciation in the value of boat per year is $ 500

Solution:

When he bought the boat in 2004 he paid $26,500

Therefore,

Initial value in 2004 = $ 26500

In the year 2011, Ryan's boat had a value of $23,000

Value in 2011 = $ 23000

The value of the boat depreciated linearly

If the boat depreciation is linear, then the amount by which the value of boat depreciates must be constant.

Let x be the constant depreciation in the value of boat per year

Then we can say,

Value in 2011 = Initial value in 2004 - nx

Here, "n" is the number of years

2011 - 2004 = 7 years

Therefore,

23000 = 26500 - 7x

7x = 26500 - 23000

7x = 3500

Divide both sides by 7

x = 500

Thus the rate of depreciation per year is $ 500

Final answer:

The annual rate of change of the boat's value is approximately -71.43 dollars.

Explanation:

The annual rate of change of the boat's value can be calculated using the formula for slope of a line. We subtract the initial value from the final value and divide it by the number of years the boat has depreciated. In this case, the initial value is $26,500 and the final value is $23,000. The number of years is 7 (2011 - 2004). So the annual rate of change is ($23,000 - $26,500)/7 = -$500/7 = -71.43. Therefore, the annual rate of change of the boat's value is approximately -71.43 dollars.

The student is asking about the annual rate of change in the value of a boat, which is a problem related to linear depreciation. To solve this, we need to calculate the total amount the boat depreciated over a certain period and then divide by the number of years to get the annual rate.

Ryan's boat was worth $23,000 in 2011 and was purchased for $26,500 in 2004. The total depreciation over these 7 years is $26,500 - $23,000 = $3,500. To find the annual depreciation rate, we divide the total depreciation by the number of years: $3,500 ÷ 7 years = $500 per year.

Therefore, the annual rate of change of the boat's value is $500 per year, which means the boat's value decreased by $500 every year on average.

Function A and Function B are linear functions. Compare the two functions and choose all that are correct.


1. The slope of Function A is greater than the slope of Function B.

2 .The slope of Function A is less than the slope of Function B.

3. The y-intercept of Function A is greater than the y-intercept of Function B.

4 .The y-intercept of Function A is less than the y-intercept of Function B.

Answers

Answer:

  2 .The slope of Function A is less than the slope of Function B

Step-by-step explanation:

A graph of Function A shows it has a y-intercept of 4, the same as that of Function B. (Statements 3 and 4 are not correct.)

The slope of Function A is 2, which is less than the slope of 3 that Function B has. (Statement 2 is correct; statement 1 is not.)

_____

More detailed working

The slope of Function A can be figured easily between the points with x-values that differ by 1:

  m = (y3 -y2)/(x3 -x2) = (24-22)/(10-9) = 2/1 = 2 . . . . . Fun A has slope of 2.

The slope of Function B is the coefficient of x in the equation: 3.

__

The y-intercept of Function A can be found starting with point-slope form:

  y -22 = 2(x -9)

  y = 2x -18 +22

  y = 2x +4 . . . . . . . slope-intercept form

The intercept of +4 is the same as that of Function B.

22 POINTS!!!! The polygons below are similar. Find the value of x.

4.5
7.5
12
16

Answers

Answer:

The answer is 16. 8 divided 6 is 1.333. When 1.333 is multipled by 12 you get 15.9.

Answer:

x = 16, y = 4.5, z = 7.5

Step-by-step explanation:

Similar figures have the sides in the same ratio

Ratio = BC/FG = 8/6 = 4/3

AD/EH = 4/3

x/12 = 4/3

x = 16

AB/EF = 4/3

6/y = 4/3

y = 6×3÷4

y = 4.5

DC/HG = 4/3

10/z = 4/3

z = 10×3÷4

z = 7.5

A machinist produced 22 items during a shift. Three of the 22 items were defective and the rest were not defective. In how many different orders can the 22 items be arranged if all the defective items are considered identical and all the nondefective items are identical of a different class?

Answers

Answer: There are 1540 different orders.

Step-by-step explanation:

The number of ways to arrange n things where 'a' things are alike and 'b' things are a like and so on...

                              [tex]\dfrac{n!}{a!\ b!\ ....}[/tex]

Given : Total items = 22

Defective items = 3

Not defective items = 22-3 = 19

Then, the number of different orders can the 22 items be arranged if all the defective items are considered identical and all the non-defective items are identical of a different class :

[tex]\dfrac{22!}{3!\times19!}\\\\=\dfrac{22\times21\times20\times19!}{6\times19!}=1540[/tex]

Hence, there are 1540 different orders.

"One baseball game has 9innings. During the season there are 45 innings that are at home and 45 innings that are away. If 36 of the innings for the season have been played how many games remain?

Answers

Answer:

6 baseball games remain in the season.

Step-by-step explanation:

Let the number of baseball games remaining be 'x'.

Given:

Number of innings in 1 baseball game = 9

Number of innings to be played at home = 45

Number of innings to be played away from home = 45

Total number of innings played in the given season = 36

Now, total number of innings to be played in a season is equal to the sum of the innings played at home and away from home.

So, Total number of innings = 45 + 45 = 90 innings.

Now, out of 90 innings, 36 innings are already played.

So, the number of innings that remain is given as:

Innings remaining = Total innings - Innings already over

Innings remaining = 90 - 36 = 54

Now, 9 innings is equivalent to 1 baseball game.

So, 54 innings is equivalent to 'x' baseball games.

Setting up a proportion and solving by cross multiplication, we get:

[tex]\frac{9}{1}=\frac{54}{x}\\\\9x=54\\\\x=\frac{54}{9}=6[/tex]

Therefore, 6 baseball games remain in the season.

PLEASE GIVE ME ANSWER! I NEED AN ANSWER RIGHT NOW BEFORE MY SCHOOL ENDS..

Answers

Answer:

Step-by-step explanation:

Triangle ABC is a right angle triangle.

From the given right angle triangle,

AC represents the hypotenuse of the right angle triangle.

With m∠A as the reference angle,

AB represents the adjacent side of the right angle triangle.

BC represents the opposite side of the right angle triangle.

To determine m∠A, we would apply

the cosine trigonometric ratio.

Cos θ = adjacent side/hypotenuse. Therefore,

Cos A = 13/15 = 0.8667

A = Cos^-1(0.8667)

A = 29.92

One night a theater sold 548 movie tickets. An adult's costs $6.50 an child's cost $3.50. In all, $2,881 was takin in. How many of each kind of tickets were sold?

Answers

Answer:

321 adult227 child

Step-by-step explanation:

The fraction of tickets that are adult tickets is ...

  ((average price per ticket) - (child's ticket cost)) / (difference in ticket costs)

so the fraction of adult tickets is ...

  ((2881/548) -3.50)/(6.50 -3.50) = 321/548

Then the number of adult tickets is ...

  (321/548)·548 = 321

and the number of child tickets is ...

  548 -321 = 227

321 adult and 227 child tickets were sold that night.

_____

If you want to write an equation, you can let "a" represent the number of adult tickets sold. Total revenue is ...

  6.50a +3.50(548 -a) = 2881

  3.00a +1918 = 2881 . . . . . . eliminate parentheses

  3a = 963 . . . . . . . . . . . . . . . subtract 1918

  a = 321 . . . . . . . . . . . . . . . . . divide by 3

The number of child tickets is ...

  548 -a = 548 -321 = 227

Which relation is a function?

Answers

The first on the left that looks like a c
C is the answer for this question

Isaac is painting a wall that is 9 feet by 18 feet.So far he has painted a part of the wall that is a 4feet by 7feet rectangle.How much of the wall does Isaac have left to paint?

Answers

Final answer:

Isaac has 134 square feet of the wall left to paint after subtracting the area he has already painted (28 square feet) from the total area of the wall (162 square feet).

Explanation:

The student's question is regarding an area calculation problem. Isaac is painting a wall with dimensions of 9 feet by 18 feet and has painted a 4 feet by 7 feet section so far. To find the area left to paint, we need to calculate the total area of the wall and subtract the area that's already been painted.

Step 1: Calculate the total area of the wall

The total area of the wall is:

(Length of the wall) × (Width of the wall) = 9 ft × 18 ft = 162 square feet.

Step 2: Calculate the area that has been painted

The area that Isaac has painted is:

(Length of painted section) × (Width of painted section) = 4 ft × 7 ft = 28 square feet.

Step 3: Calculate the area left to paint

To find the remaining area to paint:

(Total area of the wall) - (Area painted) = 162 sq ft - 28 sq ft = 134 square feet.

So, Isaac has 134 square feet of the wall left to paint.

In each diagram below, determine whether the triangles are congruent, similar, but not congruent, or not similar. If you claim that the triangles are similar or congruent, make a flowchart justifying your answer.​

Answers

Part a

Angle ABC = angle CDA (given by the angle markers)

Angle BAC = angle DCA (alternate interior angles)

Segment AC = segment AC (reflexive property)

Through AAS (angle angle side) we can prove the two triangles are congruent. We have a pair of congruent angles, and we have a pair of congruent sides that are not between the previously mentioned angles.

If two triangles are congruent, they are always similar as well (scale factor = 1).

The same cannot be said the other way around. Not all similar triangles are congruent.

Answer: Congruent

======================================================

Part b

Angle FGH = angle JIH (both shown to be 50 degrees)

Angle FHG = angle JHI (vertical angles)

We have enough information to prove the triangles to be similar triangles. This is through the AA (angle angle) similarity rule. Since FG and JI are different lengths, this means the triangles are not congruent.

Answer: Similar but not congruent

======================================================

Part c

For each right triangle shown, divide the longer leg over the shorter leg

larger triangle: (long leg)/(short leg) = 6/3 = 2

smaller triangle: (long leg)/(short leg) = 3/2 = 1.5

The two results are different, so the sides are not in proportion to one another, therefore the triangles are not similar.

Any triangles that are not similar will also never be congruent.

Answer: Not similar

======================================================

Part d

Use the pythagorean theorem to find that PQ = 5 and KL = 12

We have two triangles with corresponding sides that are the same length

So we use the SSS (side side side) triangle congruence theorem to prove the triangles congruent. The triangles are also similar triangles (scale factor = 1)

Answer: Congruent

======================================================

Summary of the answers:a. Congruentb. Similar but not congruentc. Not similard. Congruent
Final answer:

In Mathematics, triangles can be congruent, similar, or neither. Congruency means the triangles have the same three sides and angles. Similarity means the triangles have the same shape but not necessarily the same size.

Explanation:

In Mathematics, particularly in Geometry, determining whether two triangles are congruent, similar, or neither is a pivotal concept. Triangles are congruent when they have exactly the same three sides and exactly the same three angles. On the other hand, triangles are similar when they have the same shape but not necessarily the same size.

To determine if triangles are congruent, you can use several postulates, including the Side-Side-Side (SSS), Side-Angle-Side (SAS), or Angle-Side-Angle (ASA) postulates. For triangle similarity, the Angle-Angle (AA) postulate is often used. In the absence of sufficient information, the triangles cannot be declared similar or congruent.

A flowchart to justify the congruence or similarity would begin by assessing if all corresponding angles and sides match. If so, the triangles are congruent. If only the angles match and the sides are proportional, then the triangles are similar. In the absence of either, the triangles are neither similar nor congruent.

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A flat, square roof needs a square patch in the corner to seal a leak. The side length of the roof is (x 1 12) ft and the side length of the patch is x ft. What is theareaofthegoodpartoftheroof?

Answers

Answer:

Area of good part of roof =

[tex]A(x) = (24x + 144)~ft[/tex]

Step-by-step explanation:

We are given the following in the question:

Length of square roof =

[tex](x+12)~ft[/tex]

Length of square patch =

[tex]x~ft[/tex]

Area of square =

[tex]A = (\text{Side})^2[/tex]

We have to find the area of good part of roof.

Area of good part of roof =

Area of roof - Area of patch

[tex]A(x) = (x+12)^2 - (x)^2 \\A(x) = (x+12+x)(x+12-x)\\A(x) = (2x+12)12\\A(x) = (24x + 144)~ft[/tex]

is the required area of roof.

PLEASE HELPPP!!! QUESTION AND ANSWERS IN PICTUR

Answers

Answer:

[tex] \frac{24}{26} = \frac{12}{13} \\ [/tex]

Answer:

A

Step-by-step explanation:

Sin(C) = opposite/hypotenuse

Hypotenuse is the length opposite to the right angle, AC for this triangle

Opposite is the length opposite to the angle, AB in this case

Sin(C) = AB/AC

= 24/26 = 12/13

A bacteria culture initially contains cells and grows at a rate proportional to its size. After an hour the population has increased to . (a) Find an expression for the number of bacteria after
hours.(b) Find the number of bacteria after 3 hours.(c) Find the rate of growth after 3 hours.(d) When will the population reach 10,000?

Answers

Answer:

Step-by-step explanation:

given that a  bacteria culture initially contains cells and grows at a rate proportional to its size.

If P be the size then growth rate

[tex]P'=kP[/tex] where k is constant of proportionality

separate the variables as

[tex]\frac{dP}{P} =kdt\\ln P =kt+C\\P = Ae^{kt}[/tex]

If after 1 hour population is B (say)

[tex]B=Ae^{k} \\\\k = ln B - ln A[/tex]

then k = ln B - ln A

Using this

P(t) = [tex]Ae^{(lnB-lnA)t}[/tex]

b) P(e) = [tex]Ae^{(lnB-lnA)3}[/tex]

c) Rate of growth = [tex](ln B- ln A)Ae^{(lnB-lnA)3}[/tex]

Unless you give B value, d cannot be solved

Miami, Florida has a latitude of 26° N. Where would the North Star (north celestial pole) appear in Miami?

Answers

Answer: Polaris would appear at [tex]26\°[/tex] latitude

Step-by-step explanation:

Let's begin by explaining that Latitude is the angular distance between the Earth's equator, and a specific point on the planet. It is measured in degrees and is represented according to the hemisphere in which the point is located, which can be north or south latitude.  

In this sense, latitude [tex]0\°[/tex] refers to the equatorial line that divides the Earth in two hemispheres (North and South), and Miami's latitude [tex]26\°[/tex] refers to the Northern hemisphere.

On the other hand, talking about the North Star (also known as Polaris); if we were just in the North Pole (latitude [tex]90\°[/tex]), Polaris would by exactly over our heads or the zenith ([tex]90\°[/tex] over the horizon), but as we go until latitude [tex]26\°[/tex], Polaris altitude will be approximately at that same angle over the horizon.

Hence, from an observer located in Miami, Polaris would appear at [tex]26\°[/tex] N.

In Miami, with a latitude of 26° N, the North Star appears at an altitude of 26° above the horizon. As you move southward, it appears lower; when you travel north, it appears higher. Precise navigation also considers the slight angular difference between Polaris and the true celestial pole.

In Miami, Florida, which has a latitude of 26° N, the North Star, or north celestial pole, would appear at an altitude of 26° above the northern horizon. This is because the altitude of the North Star above the horizon is roughly equivalent to the latitude of the observer's location in the Northern Hemisphere. Therefore, as one drives southward from Miami to a city at a lower latitude, the North Star would appear lower in the sky. Conversely, driving northward would make the North Star appear higher.

It's important to note that due to the Earth's curvature, as you move southward from Miami, both the North Star and the southern sky would appear to sink, while the opposite would occur as you move northward. If you were to reach the equator, the North Star would align with the northern horizon, and it would not be visible from latitudes south of the equator. For precision in navigation or astronomy, one must also account for the small angular distance between Polaris and the true north celestial pole.

PLEASE HELP I NEEED ANSWER.. ASAP

Answers

Answer:

Step-by-step explanation:

Triangle IGH is a right angle triangle.

From the given right angle triangle

GI represents the hypotenuse of the right angle triangle.

With m∠I as the reference angle,

HI represents the adjacent side of the right angle triangle.

GH represents the opposite side of the right angle triangle.

To determine Hl, we would apply the tangent trigonometric ratio

Tan θ = opposite side/adjacent side. Therefore,

Tan 42 = 11/HI

0.9HI = 11

HI = 11/0.9

HI = 12.22

What is the surface area of the figure?

144π cm²


12π cm²


36π cm²


24π cm²

Answers

Answer:

36π cm^2.

Step-by-step explanation:

This is a sphere . Surface area =  4πr^2.

This sphere has surface area = 4π3^2

= 36π.

The surface area of the sphere would be = 36πcm². That is option C.

What is area ?

Area is the measure of a region's size on a surface. The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three-dimensional object.

here, we have,

to calculate the surface area of a sphere:

The surface area of a sphere can be calculated through the use of the formula = 4πr²

Where,

radius (r) = 3 cm

surface area

=4πr²

= 4π × 3²

= 36π cm² ( in the terms of π)

Hence, The surface area of the sphere would be = 36πcm². That is option C.

Learn more about surface area of sphere here:

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Evaluate the expression. 8!-6!

Answers

8! - 6!

Evaluate the factorials.

40320 - 720

Subtract.

39600.

The expression (8!) - (6!) is equal to 39600.

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After the expression has been evaluated, looking at the main value of 8! − 6!, it becomes  39,600. Therefore 8! − 6! = 39,600.

How do we evaluate the expression?

To evaluate the expression 8!−6!, we first need to determine the value of 8! and the value of 6!, and then subtract the two results.

8! (read as "8 factorial") means:

8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 40,320

6! (read as "6 factorial") means:

6 × 5 × 4 × 3 × 2 × 1 = 720

subtract 6! from 8!:

8!−6! = 40,320 − 720 = 39,600

Therefore 8! − 6! = 39,600.

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Which statement best describes how to determine whether f(x) = 9 – 4x2 is an odd function?

A. Determine whether 9 – 4(–x)2 is equivalent to 9 – 4x2.
B. Determine whether 9 – 4(–x2) is equivalent to 9 + 4x2.
C. Determine whether 9 – 4(–x)2 is equivalent to –(9 – 4x2).
D. Determine whether 9 – 4(–x2) is equivalent to –(9 + 4x2).

Answers

Answer:

Option C - determine whether [tex]9-4(-x)^2[/tex] is equivalent to [tex]-(9-4x^2)[/tex] or not.

Step-by-step explanation:

To find : Which statement best describes how to determine whether [tex]f(x) = 9-4x^2[/tex] is an odd function?

Solution :

We have a property for odd functions,

Let f(x) be an odd function then it must satisfy

[tex]f(-x)= -f(x)[/tex]

Now, we have been given the function [tex]f(x) = 9-4x^2[/tex]

For this function to be odd, it must satisfy the above property.

Replace x with -x,

[tex]f(-x)=9-4(-x)^2[/tex]

and

[tex]-f(x)=-(9-4x^2)[/tex]

Hence, in order to the given function to be an odd function, we must determine whether [tex]9-4(-x)^2[/tex] is equivalent to [tex]-(9-4x^2)[/tex] or not.

Therefore, C is the correct option.

PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!

Find m∠R.

Write your answer as an integer or as a decimal rounded to the nearest tenth.


m∠R = °

Answers

Answer:

[tex]m\angle R=69.4^o[/tex]

Step-by-step explanation:

we know that

In the right triangle PQR

[tex]tan(R)=\frac{PQ}{QR}[/tex] ----> by TOA (opposite side divided by adjacent side)

substitute the given values

[tex]tan(R)=\frac{8}{3}[/tex]

using a calculator

[tex]m\angle R=tan^{-1}(\frac{8}{3})=69.4^o[/tex]

△CDE maps to △STU with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). If CD = a + 1, DE = 2a − 1, ST = 2b + 3 and TU = b + 6, find the values of a and b. The value of a is and the value of b is .

Answers

Answer: The value of a is 2 and the value of b is 3.

Step-by-step explanation:

Given : △CDE maps to △STU with the transformations (x, y) → (x − 2, y − 2) →(3x, 3y)

The first transformation is a translation ,so there will be no change in the length of the sides ∵  translation is a rigid motion.

The second transformation is a dilation ,so there will be a change in the length of the sides by scale factor of 3. ∵  dilation is not a rigid motion.

Basically , by combining both transformation:

Length of Side in  △STU = 3 x (Corresponding side in △CDE )

⇒ ST = 3CD   and TU  = 3 DE

If CD = a + 1, DE = 2a − 1, ST = 2b + 3 and TU = b + 6 , then

2b + 3=3(a + 1)  and b + 6 = 3(2a − 1)

⇒ 2b + 3=3a+3 and  b + 6 = 6a-3

⇒ 3a-2b=0        (i)   and b = 6a-9             (ii)

Put value of b from (ii) in (i)  , we get

3a-2(6a-9)=0

⇒ 3a-12a+18=0

⇒ -9a=-18

⇒ a= 2

Put value of a in (ii) , we get

b= 6(2)-9

=12-9=3

Hence, the value of a is 2 and the value of b is 3.

Answer:

a = 4 , b = 6

Step-by-step explanation: I did the same question

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