a coin is tossed, then a letter in the word accomplishment is chosen at random. find the probability of heads, then a vowel

Answer:

-20x -4

Step-by-step explanation:

Answer:

0.8

Step-by-step explanation:

Answer:

20.2 ft

Step-by-step explanation:

First, always draw a diagram to help you solve the problem. (See the picture below). The situation forms a right triangle. We can assume the ground and the house and perpendicular, creating the 90° angle. The ladder is the hypotenuse.

Since we have a right triangle, and we have one missing side, we can solve the problem using the Pythagorean Theorem, which is a² + b² = c². "a" and "b" are the perpendicular sides and the "c" is the hypotenuse.

Assign a variable for the missing side (not the hypotenuse!)

let "b" represent the height the ladder reaches on the house

Use the formula and substitute the other known values. Then, isolate 'b' to solve by doing the reverse operations in the reverse order of BEDMAS.

a² + b² = c²

13² + b² = 24²        Substitute the two known sides.

13² - 13² + b² = 24² - 13²        Subtract 13² from both sides

b² = 24² - 13²        Cancelled out positive 13² on the left side

√b² = √(24² - 13²)        Square root both sides

b = √(24² - 13²)        "b" is isolated because √ and ² are reverse operations

b = √(576  - 169)        Square the numbers inside the bracket. Subtract.

b = √407        Find the square root

b = 20.174241        Round this number to nearest tenth

b ≈ 20.2        Answer in feet units

Remember when rounding, you round either up or down depending on the digit to the right of what you are rounding to.

"The nearest tenth" is rounding to the first decimal. To the right of the first decimal is '7'. Since '7' is "5 or greater" you round up. If '7' was "4 or less", you would round down.

Therefore, the ladder reaches 20.2 feet up the side of the house.

Using the Pythagorean theorem, we find that the ladder reaches approximately 20.2 feet up the side of Denise's house when the base is placed 13 feet away from the building.

Denise is using a 24-feet long ladder and placing the base of the ladder 13 feet away from her house. To calculate how high up the side of her house the ladder reaches, we can use the Pythagorean theorem. This theorem states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides. In this scenario, the hypotenuse is the ladder, one side is the distance from the house, and the other side is the height the ladder reaches up the house.

To find the height (h), we can set up the equation: h^2 + 13^2 = 24^2. Calculating further, we get h^2 = 24^2 - 13^2, which simplifies to h^2 = 576 - 169. This gives us h^2 = 407. Taking the square root of both sides, we find that h is approximately 20.2 feet when rounded to the nearest tenth.

Since a^2+b^2=c^2 becomes 20^2+b^2=29^2, we solve for b:

400+b^2=841

b^2=441

b=21

So the length of b is 21 units.

Hope this helped!

Answer:

Step-by-step explanation:

b=21

a Leg

20

c Hypotenuse

29

[tex]\(8 \frac{4}{7}\)[/tex] divided by 15 is equal to [tex]\(\frac{4}{7}\).[/tex]

To divide the mixed number [tex]\(8 \frac{4}{7}\)[/tex] by 15, we first need to convert the mixed number to an improper fraction and then perform the division.

Step 1: Convert [tex]\(8 \frac{4}{7}\)[/tex] to an improper fraction.

[tex]\[ 8 \frac{4}{7} = \frac{(8 \times 7) + 4}{7} = \frac{56 + 4}{7} = \frac{60}{7} \][/tex]

Step 2: Perform the division.

[tex]\[ \frac{60}{7} \div 15 = \frac{60}{7} \times \frac{1}{15} \][/tex]

Now, multiply the numerators and denominators:

[tex]\[ \frac{60 \times 1}{7 \times 15} = \frac{60}{105} \][/tex]

Next, simplify the fraction by dividing both the numerator and denominator by their greatest common divisor, which is 15:

[tex]\[ \frac{60 \div 15}{105 \div 15} = \frac{4}{7} \][/tex]

Answer: 18in

Step-by-step explanation: Since area of triangle is A = 1/2 x b x h 30×18 = 540 and 540 Divided by two = 270 square inches

Length of the line segment is 5 units.

Step-by-step explanation:

⇒ Length = √(1 - 1)² + (4 - -1)² = √5² = 5 units

Determine the y-intercept:

We make the equation 3=-1/2(8)+b

3=-4+b

7=b

Since the y-intercept is b, we have our full equation: y=-1/2x+7

Hope this helped!

The equivalent expressions are:

[tex]7(-\frac{3}{4}x - 3) = (7 \times \frac{-3}{4}x) + (7 \times -3)\\\\7(-\frac{3}{4}x - 3) = \frac{-21x}{4} - 21[/tex]

Solution:

Given expression is:

[tex]7(-\frac{3}{4}x - 3)[/tex]

We have to find the equivalent expressions

By distributive property,

a(b + c) = ab + ac

Therefore,

[tex]7(-\frac{3}{4}x - 3) = (7 \times \frac{-3}{4}x) + (7 \times -3)\\\\7(-\frac{3}{4}x - 3) = \frac{-21x}{4} - 21[/tex]

Thus equivalent expressions are found

Answer:

Im pretty sure its a and e

Step-by-step explanation:

lmk if im wrong or right

Answer:

22

Step-by-step explanation:

198 = 2×3×3×11

For a perfect square, factors have to occur in pairs

198×2×11 (because 3 is already twice)

198×2×11

198×22

198k = 198×22

k = 22

The value of k as smallest integer is 22 if 198k is a perfect square.

A natural number other than 1 whose only factors are 1 and itself is said to have a prime factor. In actuality, the first few prime numbers are 2, 3, 5, 7, 11,.....

The given numbers are 198 and 90.

The prime factor of 198 = 2 x 3 x 3 x 11

The prime factor of 90 = 2 x 5 x 9

(a)

to make 198 perfect square,

The prime factor must be in square,

198k = 2 x 2 x 3 x 3 x 11 x 11

k = 2 x 11

k = 22

The value of k is 22 if 198k is a perfect square.

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Answer:

the travel of only 1.5 hours:8.25

The travel in 3.8 hours:20.9

Step-by-step explanation:

1.5(5.5)

1.5(3.8)

The measure of ∠K is 49 degrees 22 minutes 51 seconds.

Step-by-step explanation:

Given that ∠J and ∠K are complementary.

∠J = 41°38'9".

∠K = ?

When a sum of two angles result is 90°, then it is called as complementary angles.

Since ∠J and ∠K are complementary, then their sum is 90°.

∠J +∠K=90°.

∠K= 90° - ∠J.

=90°60'60" - 41°38'9".

=49°22'51".

∠K= 49 degrees 22 minutes 51 seconds.

15/5 = 3 with remainder 0

So we could write it as [tex]\frac{15}{5} = 3\frac{0}{5}[/tex] which is a mixed number, but the 0/5 part isn't needed and we can simply say '3'.

Answer:

23.17%

Step-by-step explanation:

The project costs $15,880 of which you contributed $3,680. To know the percentage of how much you finance,

(amount paid / cost)*100%

= (3680/15880)*100%

= (0.231738035)*100%

= 23.1738035%

Thus the amount contributed is 23.17% of the cost.

Amelia needs [tex]\frac{3}{4}[/tex] stick of butter to make cornbread and apple muffins.

Step-by-step explanation:

Given,

Stick of butter needed to make cornbread = [tex]\frac{1}{2}[/tex]

Stick of butter needed to make apple muffins = [tex]\frac{1}{4}[/tex]

Total stick of butter needed = Cornbread + Muffins

Total stick of butter needed = [tex]\frac{1}{2}+\frac{1}{4}[/tex]

Total stick of butter needed = [tex]\frac{2+1}{4}[/tex]

Total stick of butter needed = [tex]\frac{3}{4}[/tex]

Amelia needs [tex]\frac{3}{4}[/tex] stick of butter to make cornbread and apple muffins.

Keywords: fraction, addition

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Answer:

5n+4=-11

Step-by-step explanation:

Answer:

0.08 g/cm³

Step-by-step explanation:

We are given;

But; 1 pound = 453.592 g

Therefore, mass = 907.184 g

But; 1 gallon = 3785.41 cm³

Thus, volume = 11356.23 cm³

We are required to determine the density of the liquid;

We need to know that;

Density = Mass ÷ Volume

Therefore;

density of the liquid = 907.184 g ÷ 11356.23 cm³

                                 = 0.0799 g/cm³

                                = 0.08 g/cm³

Thus, the volume of the liquid is 0.08 g/cm³

Answer:

[tex]y=\frac{1}{2} x-2[/tex]

Step-by-step explanation:

We have the two points (4,0) and (0,-2)

Find the slope

[tex]m=\frac{-2-0}{0-4} =\frac{-2}{-4} =\frac{1}{2}[/tex]

y-intercept is -2

[tex]y=\frac{1}{2} x-2[/tex]

Answer:

5^32 mark as brainliest

Step-by-step explanation:

Answer:

ED=12 units

Step-by-step explanation:

From the diagram triangle EAB is similar to triangle EDC.

The corresponding sides will be proportional.

EA/ED=AB/DC

This implies that:

[tex] \frac{2x + 4}{x + 4} = \frac{9}{6} [/tex]

We cross multiply to get:

[tex]6(2x + 4) = 9(x + 4)[/tex]

We expand to get:

[tex]12x + 24 = 9x + 36[/tex]

Group similar terms to get:

[tex]12x - 9x = 36 - 24[/tex]

Combine the similar terms to get:

[tex]3x = 12[/tex]

Divide through by 3 to get:

[tex]x = \frac{12}{3} [/tex]

This will simplify to:

[tex]x = 4[/tex]

Therefore ED=2*4+4=8+4=12

Answer:

Step-by-step explanation:

Number of students = 525+625=1 150

The number of people = 525+625+58+12=1 220

let x represent the amounot of water consumed by students

1220———————>1 267 760

1150———————> x

then

x = (1 150×1 267 760)÷1 220 = 1 195 019.67213115

:)

To find the x-coordinates of the points where the graph crosses the x-axis, set y = 0 and solve for x. The x-coordinates are 3 and -8.

The question asks for the x-coordinates of the points where the graph of the equation y = (x - 3)(x + 8) crosses the x-axis. To find these points, we need to determine the values of x that make y equal to zero. Setting y = 0, we get (x - 3)(x + 8) = 0. This equation will be true if either (x - 3) = 0 or (x + 8) = 0. Solving each equation gives us x = 3 and x = -8, respectively. These are the x-coordinates of the points where the graph crosses the x-axis.

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To find the x-coordinates where the graph of y = (x - 3)(x + 8) crosses the x-axis, set y to zero and solve for x, yielding the points (3, 0) and (-8, 0).

To find the x-coordinates where the graph crosses the x-axis, we need to set the y-value to zero and solve the equation. This is because when a graph crosses the x-axis, its y-coordinate is always zero. The equation given is y = (x - 3)(x + 8).

To find the x-coordinates, we set y to zero:

x = -8

Thus, the graph crosses the x-axis at the points (3, 0) and (-8, 0).

Answer:

14/37

Step-by-step explanation:

P(E) = 23/37

P(not E) = 1 − P(E)

P(not E) = 1 −23/37

P(not E) = 14/37

The probability that the event will not happen is approximately 0.3784 or 37.84%, calculated by subtracting the probability of the event from 1.

In probability, the likelihood of an event occurring and not occurring always adds up to 1. This principle is called the Law of Total Probability.

Given the probability that the event will happen is P(E)= 23/37. To find the probability that the event will not happen, you need to subtract the probability of the event occurring from 1.

So, the probability that the event will not happen, often written as P(E') or P(not E), is calculated as follows:

Therefore, the probability that the event will not happen is approximately 0.3784 or 37.84%.

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Answer:

Option D

Just took test on ed2020 it is the last graph. Option D

Step-by-step explanation:

Answer: D

Step-by-step explanation:

Answer:

The statement that the probability of Mr. Flores randomly selecting a picture of Frou-Frou is greater than the probability of randomly selecting a picture of his family is FALSE. We can clearly see that the probability of selecting a picture of his family is greater than the probability of selecting a picture of Frou Frou.

Step-by-step explanation:

the probability of randomly selecting a picture of Frou Frou is  = 30/100 = 0.3

The probability of randomly selecting a picture of his family = 50/100 = 0.5

The statement that the probability of Mr. Flores randomly selecting a picture of Frou-Frou is greater than the probability of randomly selecting a picture of his family is FALSE. We can clearly see that the probability of selecting a picture of his family is greater than the probability of selecting a picture of Frou Frou.

Answer:

exact form: -8/3

decimal form: -2.6666666

mixed number: -2 2/3

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

Let's solve your equation step-by-step.

3(5−2x)+9x=45

Step 1: Simplify both sides of the equation.

3(5−2x)+9x=45

(3)(5)+(3)(−2x)+9x=45 (Distribute)

15+−6x+9x=45

(-6x+9x)+(15)=45 (Combine Like Terms)

3x+15=45  3x+15= 45

Step 2: Subtract 15 from both sides.

3x+15−15=45−153x=30

Step 3: Divide both sides by 3.

3/3=30/3

x=10

Answer:

x=10

Answer:

Note that  ( − 9 x − 45 ) = ( − 9 ) ( x + 5 )  and that  ( x 3 + 5 x 2 ) = ( x 2 ) ( x + 5 )  We can write x 3 + 5 x 2 − 9 x − 45  XXX = ( x 2 − 9 ) ( x + 5 )  If we further note that  ( x 2 − 9 )  is the difference of squares  ( x + 3 ) ( x − 3 )  we can expand this to x 3 + 5 x − 9 x − 45  XXX = ( x + 3 ) ( x − 3 ) ( x + 5 )

Step-by-step explanation:

The required average on next two tests are:

[tex]t\geq \frac{450-p}{2}[/tex]

Solution:

An A grade will be given to students having at least 450 total test points

Let p represent her present test point total, and t represent the necessary average on the next two tests

There are two more tests to take before the semester is over

Therefore,

[tex]p+2t\geq 450[/tex]

A grade is given to students having at least 450 total test points

"at least" means greater than or equal to

So we have used greater than or equal to symbol

Solve the inequality for "t"

[tex]p+2t\geq 450\\\\Subtract\ p\ from\ both\ sides\\\\2t\geq 450-p\\\\Divide\ both\ sides\ by\ 2\\\\t\geq \frac{450-p}{2}[/tex]

Thus the required average on next two tests are:

[tex]t\geq \frac{450-p}{2}[/tex]

a) Wayne's savings before he spent $28 is $30

b) Stef's savings after she spent $28 is $8

Step-by-step explanation:

step 1 :

let,

Wayne's savings = 5x

Stef's savings = 6x

step 2 :

After spending $28 each of them, The ratio becomes 1/4.

⇒ (28 - 5x) / (28 - 6x) = 1/4

⇒ 4(28 - 5x) = 1 (28 - 6x)

⇒ 112 - 20x = 28 - 6x

⇒ 112 - 28 = 20x - 6x

⇒ 84 = 14 x

x = 84/4 = 6

step 3 :

a) Wayne's savings before he spent $28 = 5x

substitute x=6,

Wayne's savings = 5(6) = $30

step 4 :

b) Stef's savings after she spent $28 = Total savings - $28

                                                             = 6x - 28

                                                             = 6(6) - 28

∴ Stef's savings after she spent $28  = 36 - 28 =$8

(a) Wayne's savings before he spent $28 is $30.

(b) Stef's savings after she spent $28 is $8.

Solution:

Ratio of Wayne's savings to Stef's savings = 5 : 6

Let x be the common amount they have.

After spending $28 each, the ratio becomes 1 : 4.

5x – 28 : 6x – 28 = 1 : 4

This can be written in a fraction form.

[tex]$\Rightarrow\frac{5x-28}{6x-28}=\frac{1}{4}[/tex]

Do cross multiplication.

[tex]$\Rightarrow 4(5x-28)}=1({6x-28})[/tex]

[tex]$\Rightarrow 20x-112=6x-28[/tex]

Arrange like term one side.

[tex]$\Rightarrow 20x-6x=112-28[/tex]

[tex]$\Rightarrow 14x=84[/tex]

⇒ x = 6

(a) Wayne's savings before he spent $28 = 5x = 5(6) = $30

(b) To find stef's savings after spent $28:

Stef's savings before she spent $28 = 6x = 6(6) = $36

Stef's savings after she spent $28 = $36 – $28 = $8

Hence Wayne's savings before he spent $28 is $30

Stef's savings after she spent $28 is $8.