Melissa's family is on vacation. They spend $125 per day on food
and entertainment. They have budgeted only up to $750 for food
and entertainment. How many days of vacation can they afford?

How do you show your work if the answer is *6*???

Answers

Answer 1

Answer:6

Step-by-step explanation:

Dividing 750 by 125 you get 6


Related Questions

Determine if the set is the empty set?
{ | < 10 and > 14}

Answers

Answer:

{x| x < 10 and x > 14} is an empty set.

there cannot be any intersection between the two ranges that is , x< 10 and x>14.

Step-by-step explanation:

x < 10 and x > 14 will lead to an empty set.

there cannot be any intersection between the two ranges that is , x< 10 and x>14.

Final answer:

The set with condition { | < 10 and > 14} is the empty set, as no elements can satisfy being both less than 10 and greater than 14 simultaneously.

Explanation:

The set being asked about is defined as { | < 10 and > 14}.

To determine if this set is the empty set, interpret the conditions placed upon the members of the set.

The description says that an element must be both less than 10 and greater than 14 at the same time, which is an impossible condition. Since no number can satisfy both conditions simultaneously, no elements can exist within this set, making it the empty set, often denoted by Ø.

Sara bought a car for $15700 with interest rate of 5 3/7% and the contract is for 7 years.
How much interest will Sara owe? How much will the payments be with a seven year agreement?

Answers

1. How much interest will Sara owe?

She will owe 5,966 dollars

2. How much will the payments be with a seven year agreement?

Sara will pay 21,666 dollars

Explanation:

The simple interest formula is as follows:

[tex]A=P(1+rt) \\ \\ \\ Where: \\ \\ A: \ is \ the \ Final \ Investment \Value \\ \\ P: \ is \ the \ Principal \ amount \ of \ money \ to \ be \ invested \\ \\ r: \ is \ the \ rate \ of \ interest \\ \\ t: \ is \ \ Number \ of \ Time \ Periods[/tex]

First, converting r percent to r a decimal

[tex]r = (5 \frac{3}{7})\%=(5+\frac{3}{7}))\%=\frac{38}{7}\% \\ \\ r=\frac{38/7}{100}=\frac{19}{350} \ per \ year[/tex]

Solving our equation:

[tex]A=15700 (1+\frac{19}{350}\times 7) \\ \\ A=15700(\frac{69}{50}) \\ \\ \boxed{A=\$21,666}[/tex]

So Sara will owe in interest the following amount of money:

[tex]I:Interest \\ \\ \\ I=21,666-15,700 \\ \\ \boxed{I=\$5,966}[/tex]

Finally, answering the questions:

1. How much interest will Sara owe?

She will owe 5,966 dollars

2. How much will the payments be with a seven year agreement?

Sara will pay 21,666 dollars

Learn more:

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the\ function\ h\left(x\right)=\frac{1}{2}\left(x+3\right)^{2}+2.How\ is\ the\ graph\ of\ h\left(x\right)\ t\ r\ a\ nslated\ \ from\ the\ parent\ graph\ of\ a\ quadratic\ function,\ f\left(x\right)=x^{2}

Answers

The function h(x) is vertically stretched by a factor of [tex]\frac{1}{2}[/tex] and is shifted 3 units to the left and shifted 2 units up.

Explanation:

The parent function is [tex]f(x)=x^{2}[/tex]

The translated function is [tex]h(x)=\frac{1}{2}(x+3)^{2}+2[/tex]

By using the function transformation rules, the translated function h(x) is stretched vertically by a factor of [tex]\frac{1}{2}[/tex]

Also, from the function transformation rules, we know that,  [tex]$f(x+b)$[/tex] shifts the function b units to the left.

Thus, the translated function h(x) is shifted 3 units to the left.

By using the function transformation rules, we know that,  [tex]$f(x)+b$[/tex] shifts the function b units upward.

Thus, the translated function h(x) is shifted 2 units upwards.

Thus, the translated function h(x) is vertically stretched by a factor of [tex]\frac{1}{2}[/tex] and is shifted 3 units to the left and shifted 2 units up.

Can anyone help me with a math paper via direct message

Answers

about what is your maybe paper?

Factor this: a^n+a^n+1

Answers

Answer:

1 + 2 a^n

Step-by-step explanation:

find the area of the regular polygon, 6 sides, 12 in, rounded to the nearest tenth​

Answers

Hey, Itd be easier if there was a picture but what subject is that

Answer:

Step-by-step explanation:

6 ×12=72 rounded to the nearest tenth 5 or more add one more 4 or less let it rest

72 it would be 70 because 2 is not more than 5

_

tickets for admission to a high school football game cost $3 for students and $5 for adults. During one game, $2995 was collected from the sale of 729 tickets. Write and solve a system of linear equations to find the number of tickets sold to students and the number of tickets sold to adults.

Answers

Answer:

404 tickets to adults have been sold .

325 tickets to students have been sold .

Step-by-step explanation:

A system of linear equations is a set of two or more first degree equations, in which two or more variables are related.

In this case, a system of two linear equations with two unknowns is solved.

To assemble the system of equations you must first define the variables, which in this case will be:

x: tickets for admission to a high school football game for students.y: tickets for admission to a high school football game for adults.

On the one hand, you know that 729 tickets were sold, that is to say that tickets sold for students and adults must add 729. Expressed in an equation this is: x+y=729 equation (A)

On the other hand, you know that during a game, $ 2995 was raised for the sale of those 729 tickets. And you also know that tickets for a high school football game cost $ 3 for students and $ 5 for adults.

Then the proceeds from the sale of tickets for students is 3*x and for adults it is 5*y. And your sum must be $ 2995. Expressed in an equation this is:

3*x + 5*y=2995 Equation (B)

So the system of equations is:

[tex]\left \{ {{x+y=729} \atop {3*x+5*y=2995}} \right.[/tex]

There are several methods of solving a system of equations. In that case, the substitution method will be used, which consists of isolating an unknown element in one of the equations, which will be a function of the other unknown. In the other equation that has not been used, the same unknown is replaced by the expression previously obtained. In this case, the value of variable x in equation (A) will be isolated:

x+y=729 ⇒ x=729-y Equation (C)

Replacing this expression in equation (B) you get:

3*(729-y)+5*y=2995

Solving this equation:

3*729-3*y+5*y=2995

2187+2*y=2995

2*y=2995-2187

2*y=808

y=808÷2

y=404

Remembering that "y" is tickets for admission to a high school football game for adults. this indicates that 404 tickets to adults have been sold .

Replacing this value in equation (C), which is the previously isolated equation, you get:

x=729-y

x=729-404

x=325

Remembering that "x" is tickets for admission to a high school football game for students. this indicates that 325 tickets to students have been sold .

Final answer:

By setting up a system of linear equations, it's found that 325 student and 404 adult tickets were sold.

Explanation:

The subject of this question is a linear system, specifically related to the ticket sales at a high school football game. Let's denote 's' as the number of student tickets sold, and 'a' as the number of adult tickets sold. We'll use the following two equations to reflect the given information:

s + a = 729  (This equation represents the total number of tickets sold.) 3s + 5a = 2995  (This equation represents the total cost of tickets sold.)

To solve the system of equations, one method is substitution or elimination. Using the elimination method, you could multiply the first equation by 3, getting 3s + 3a = 2187. Then, subtracting this from the second equation gives 2a = 808. Dividing by 2, we find that a = 404. Plugging this value into the first equation gives s = 729 - 404 = 325. Therefore, 325 student tickets and 404 adult tickets were sold.

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the table shows transactions in a checking account

A) Find the total of the transactions for each month

B) Find the mean total for the four months

Answers

Answer:

i) number of transactions for the month of January = 4

 number of transactions for the month of February = 4

 number of transactions for the month of March = 4

 number of transactions for the month of April = 4

ii) Mean of four months  = -495.7 /4 = -123.93

Step-by-step explanation:

i) number of transactions for the month of January = 4

 number of transactions for the month of February = 4

 number of transactions for the month of March = 4

 number of transactions for the month of April = 4

ii)     January              February              March            April

         -38.50                 250.00               -14.00           -86.80

         126.30                -135.20                 99.00          -570.00

         429.40                  35.50                -82.70           100.00

        -265.00                 -62.30                 -1.50           -280.10

Total  252.20                  88.20                 0.80            -836.9

Total of four months  = 252.2 + 88.20 + 0.80 - 836.9  =  -495.7

Mean of four months  = -495.7 /4 = -123.93

Answer:

1) number of transactions for the month of January = 252.20

number of transactions for the month of February = 88.00

number of transactions for the month of March = 1.70

number of transactions for the month of April = -836.90

2. mean total of the four months -123.93

Step-by-step explanation:

Step-by-step explanation:

If the simple interest on ​$6 comma 000 for 2 years is ​$480​, then what is the interest​ rate?

Answers

Answer:

4%

Step-by-step explanation:

To solve this problem we can use a modified version of the simple interest formula which is shown below:

[tex]r=\frac{I}{Pt}[/tex]

I = interest amount

P = principal amount

t = time (years)

Lets plug in the values:

[tex]r=\frac{480}{(6,000)(2)}[/tex]

[tex]r=0.04[/tex]

The last step is to convert 0.04 into a percent:

0.04(100) = 4

The interest rate is 4%.

Plzzzzzzzz help will give brainliest!!!!!!!!

Answers

[tex]A = 100\pi cm^{2}[/tex]

Step-by-step explanation:

Given that an engineer is planning to install a new water pipe.

The diameter of the circular pipe is

d = 20 cm

Let us find the radius (r)

radius = diameter / 2

r = 20 / 2 = 10 cm

The area of circle (A) is given as:

[tex]A = \pi r^{2}[/tex]

[tex]A = \pi 10^{2}[/tex]

[tex]A = 100\pi cm^{2}[/tex]

Length 30.25
Volume7193.45
Width 14.5
What is the width?

Answers

Answer:

Height = 16.4 inches

Step-by-step explanation:

V = Length*Width*Height, so solving for the Height by dividing the Volume with the product of the Length and Width gives:

Height = Volume/Length*Width = 7193.45/(30.25*14.5) = 16.4 inches

You are sitting in row 23 and notice there are 65 seats in your row. The row in front of you

has 63 seats and the row behind you has 67 seats. There are 42 rows in the auditorium.

How many seats does the auditorium contain? (Hint: Find the number of seats in the first

and last rows)

A. 2,604

B. 2,163

C. 2,422

D. 2,803

Answers

Answer: A. 2,604

Step-by-step explanation:

According to the given information the number of sets in rows following arithmetic progression (in short form AP).

Where , 23rd term is 65.

Common difference = 65-63=2

nth term in AP: [tex]a_n=a+(n-1)d[/tex]

For n= 23 , we have [tex]a_{23}=65[/tex] , d= 2

[tex]23=a+(23-1)2\\\\ 23= a+(22)2\\\\ 23=a+44\\\\ a=44-23=21[/tex]

Formula for the sum of first n terms in AP= [tex]S_n=\dfrac{n}{2}[2a+(n-1)d][/tex]

Since, There are 42 rows in the auditorium.

Then,

[tex]S_{42}=\dfrac{42}{2}[2(21)+(42-1)2]\\\\=21(42+82)\\\\=21(124)=2604[/tex]

Hence, the the auditorium contains 2,604 seats.

Thus , the correct answer is A. 2,604

We want to find the total number of seats in the auditorium, knowing that the number of seats is given by an arithmetic sequence.

The correct option is A: there are 2,604 seats in total.

We know that in the row before you (the number 22) there are 63 seats, in your row (number 23) there are 65 seats, and in the next row there are 67 seats, then we can write the 3 terms of a sequence:

[tex]a_{22}= 63\\a_{23} = 65\\a_{24} = 67[/tex]

Is simple to see that this is an arithmetic sequence, such that the difference between consecutive terms is 2, then the number of seats in the n-th row is given by:

[tex]a_n = a_{n-1} + 2[/tex]

or:

[tex]a_n = a_1 + (n - 1)*2[/tex]

Using this second equation, we can find the value of the first term of the sequence:

[tex]a_{23} = 65 = a_1 + 2*(23 - 1)\\\\65 - 44 = a_1 = 21\\[/tex]

Now, if we define d as the difference between consecutive terms in an arithmetic sequence, the sum of the first N terms is given by:

[tex]S(N) = N*(2*a_1 + (N - 1)*d)/2[/tex]

Here we have a total of 42 rows, so we use N = 42.

d =2

a₁ = 21

Then the total number of seats is:

[tex]S(N) = 42*(2*21 + (42 - 1)*2)/2 = 2,604[/tex]

This means that the correct option is A: there are 2,604 seats in total.

If you want to learn more, you can read:

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Ron decided to use blocking to deal with extraneous factors in his
experiment. If 4 treatments are applied to one of his groups, how many
treatments should be applied to each of his other groups?

A. 3
B. 6
C. 5
D. 4

Answers

D.4 he should apply 4 treatments to each of the groups

Complete the table for the given Rule:y=x-3​

Answers

Answer:

1 = 2 - 3. is this what you mean?

A circular playground has an area of about 1500 square feet. If the committee decides to double the radius, what is the approximate area of the new playground?

Answers

If the committee decides to double the radius, the approximate area of the new playground is; A_new = 6000 sq.ft

How to find the area of a Circle?

We are given the area of a circular playground as;

A = 1500 ft²

Formula for area of Circle is;

A = πr²

Thus;

πr² = 1500

r = √(1500/π)

Now, they want to double the radius. Thus approximate area of the new playground is;

A_new = π * [2√(1500/π)]²

A_new = π * [4(1500/π)]

A_new = 6000 sq.ft

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Answer:

c

Step-by-step explanation:

time 4 learning and it was right people :)

3y + 2/5 = -1/5 what is y?

Answers

Answer:

3.6

Step-by-step explanation:

3y+2/5=-1/5

3y=-1/5-2/5

3y=-0.6

0.6/3=y

-3.6=y

y=-3.6

The polynomial 4x^3 - 6x^2 + 8x – 12 can be grouped in different ways to factor by
grouping.
Try it both ways:
(4x3 – 6x>) + (8x – 12)
(4x3 + 8x) + (- 6x2 – 12)?

Answers

Answer:

(4x3-6x) + (8x-12)= 2x

(4x3+8x) + (-6x2-12)= 2(2x-3) (x^2+2)

Step-by-step explanation:

All you have to do is simplify.

Answer:

A,B,E

Step-by-step explanation:

Did on edgen

fine the equation of m= -5 (-1,3)

Answers

Answer:

The required equation to the given slope m=-5 and a point (-1,3) is 5x+y+2=0

Step-by-step explanation:

Given that the slope  m=-5 and a point (-1,3)

Now we have to find an equation with the given slope and point :

Let [tex](x_1,y_1)[/tex] be the given point (-1,3)

The slope point formula is [tex]y-y_1=m(x-x_1)[/tex]

y-3=-5(x-(-1))

y-3=-5(x+1)

y-3=-5(x)-5(1) ( by using the distributive property a(x+y)=ax+ay here a=-5,x=x and y=1 )

y-3=-5x-5

y-3-(-5x-5)=-5x-5-(-5x-5) ( by using the distributive property a(x+y)=ax+ay  here a=-1,x=-5x and y=-5)

y-3+5x+5=-5x-5+5x+5

y+2+5x=0

5x+y+2=0 which is the required equation

What is 4 tens and 6 tenths as a decimal

Answers

Answer 4.6

Step-by-step explanation:

The answer to this is 4.6

Ingrid has $27 to buy oil paints for her painting class. Each tube of paint
costs $4. How many tubes can she buy? Do not include units in your answer.​

Answers

Answer:

6

Step-by-step explanation:

27/4= 6 3/4

That doesn't work because we need whole numbers.

24/4=6

That is the solution. For $24 we buy 6 tubes for $4 each and we have $3 left over.

Answer:

6

Step-by-step explanation:

each tube of paint(one) = $ 4

(x) tube of paint = $ 27

Therefore,

x= (27/4)

 = 6.75 tubes ; which is equivalent to 6 whole tube of paint

1 1/2 as a fraction

Answers

Answer:

1.5

Step-by-step explanation:

divide 1/2 and add 1

whats the root and vertex for y= 2x squared -5x-604

Answers

Vertex is calculated by -b/2a

So we have -(-5)/2(2)=5/4

The root is determined through the quadratic formula:

x=(-b+sqrt(b^2-4ac))/2a

x=(-(-5)+sqrt(-5^2-4(2)(-604)))/2(2)

x=(5+sqrt(25-4832))/4

x=(5+sqrt(-4807))/4

So the root is some imaginary number

Hope this helped!

Which table represents exponential growth? A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 2, 4, 6, 8. A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 2, 4, 8, 16. A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 2, 4, 7, 11. A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 2, 4, 6, 10.

Answers

Answer:

A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 2, 4, 8, 16.

Step-by-step explanation:

Let an exponential growth function is given by [tex]f(x) = a(b)^{x}[/tex]

So, [tex]f(1) = a(b)^{1}[/tex], [tex]f(2) = a(b)^{2}[/tex], [tex]f(x) = a(b)^{3}[/tex] and [tex]f(4) = a(b)^{4}[/tex]

Therefore, this series of values corresponding to the x-value 1, 2, 3, and 4 are in G.P. and the common ratio is b.

Now, from the given tables in the options only the second option i.e. a 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 2, 4, 8, 16 satisfies an exponential function.

Since, f(1) = 2, f(2) = 4, f(3) = 8 and f(4) = 16 are in G.P.(Answer)

Answer:

2

Step-by-step explanation:

Branliest for who explains

Answers

Answer:

The cross section would be a square.

Step-by-step explanation:

The 2 ends of the rectangular prism are squares while the other 4 sides are rectangles. A cross section would be perpendicular to the rectangles, making the cross section a square. The cross section would be parallel to the end squares.

On a piece of paper, use a protractor and a ruler to construct △ABC with AB=6 cm , m∠A=80° , and m∠B=50° .


What is AC ?


3 cm


6 cm


9 cm


12 cm

Answers

Answer:

The measure of side AC is 6 cm.

Step-by-step explanation:

The information for the triangle ABC are:

AB = 6 cm

m∠A = 80°

m∠B = 50°

The sum of all angles of a triangle is 180°.

Compute the value of m∠C as follows:

m∠A  + m∠B + m∠C = 180°

m∠C = 180° - 80° - 50°

        = 50°

Thus, the angles, m∠C = m∠B.

Consider the triangle below.

If two angles of a triangle are equal or similar then that triangle is known as an isosceles triangle.

And in an isosceles triangle the sides corresponding to the equal angles are equal.

Then in this case as m∠C = m∠B then sides AC = AB.

The measure of the side AC is 6 cm.

Topic/Objective: Function Applications pp. 228-252
• Write the equation of a linear function and determine the rate of change of the function using a point on the line and the slope of the line.
Write the equation of a linear function and determine the rate of change of the function using two points on the line.
• Determine whether a function is linear or nonlinear using a graph.
• Determine whether a function is linear or nonlinear using a table.
• Determine whether a function is linear or nonlinear using an equation.
• Compare the properties of two linear functions that are represented differently.
Name
Class/Time
Date
Essential Question: How can we model relationships between quantities?
Questions/Voc. Terms/Properties

Define the vocabulary terms below:
Linear function
Nonlinear function
Increasing function
Decreasing function
Constant


How can linear models be interpreted?



How are independent and dependent variables represented on a coordinate plane?




What is the slope and y-intercept of the helicopter altitude from the graph?




What does 35 and 1.2 in the equation represent in the equation?


Describe the situation each equation represents for the water level in other tanks.
How can we represent the water level in a tank that’s empty at first but rises at a rate of 2.1 /s?


What is the process for solving problems involving constant rates?


What is the total cost for movie rental for 1 month? 5 months? 7 months? 1 year?

Is this a linear model? Explain.



What describes the relationship between the independent and dependent variables of the function?

What determines whether a function is linear or nonlinear?






How can we determine if a function is increasing or decreasing?

How can we determine whether a graph is increasing or decreasing?








How can functions be compared?


How can functions be represented?



How can we determine which line has a greater rate of change?




When interpreting a function graph, what key features can we look for?




How can we draw conclusions about an object’s speed?




Example Problems & Steps/Vocabulary Definitions/Property Descriptions

Write/type definitions beside each term below:








p. 228 Copy yellow box




p. 228 Copy purple box






pp. 228-229 Study graph and copy solutions below:
Example 1
A.

B.


pp. 229-230 Copy solution below:
Example 2

A.

p. 230 Copy solution below:
B.

p. 230 Copy solution below:
C.



pp. 231-231 Study table and graph and copy steps below:
Example 1



pp. 232-233 Study table and copy solution below:
Example 2
A.

Study rate of change between values and copy solution below:
B.


p. 234 See yellow box




pp. 234-235 Study tables & graph and copy solutions below:
Example 1
A. y = 2x - 1

B.



pp. 236 See pink box



pp. 236-237 Study graphs and write solutions below:
Example 2
A.

B.

C.

D.

p. 240 See yellow box


p. 240 See paragraph
Study functions pp. 240-244



p. 244 see graph and pink box





p. 246







p. 247 see pink box
Study pp. 247-252
Summary: Connections, Reflections, Analysis about what you learned (3 or more sentences, or you may use the following prompts - be specific):

Today my notes say…
I can use my notes to…
My notes mean…

Answers

Answer:

Are the following linear or nonlinear? Circle the correct response.

Step-by-step explanation:

The numder are hard to explain but

You can tell if a table is linear by looking at how X and Y change. If, as X increases by 1, Y increases by a constant rate, then a table is linear. You can find the constant rate by finding the first difference.

Answer:Your answer i

Step-by-step explanation:You can tell if a table is linear by looking at how X and Y change.

7x5 answer plz i need help

Answers

the answer is 35



7x5=35

Answer:

35

Step-by-step explanation:

7 x 7 = 35

what is 6(5−8v)+12=−54

Answers

Answer: v = 2

Step-by-step explanation:

30-48v+12 = -54

-48v = -54-30-12

[tex]\frac{-48v}{-48}[/tex] = [tex]\frac{-96}{-48}[/tex]

v = 2

Answer:

2

Step-by-step explanation:

6(5−8v)+12=−54

Divide through by 6, we have

5 — 8v + 2 = — 9

Collect like terms

— 8v = —9 — 2 — 5

—8v = — 16

Divide both side by the coefficient of v i.e —8

v = — 16/ —8

v = 2

What do I have to do with this question? r=?, d=5m, C=15.70m

Answers

you add them then divide ur answer by 2

Is this no solution or infinite solutions?
2x+y=2
y=-2x-1

Answers

Answer:

infinite solutions

Step-by-step explanation:

Other Questions
What is the electric potential, in volts, due to the proton in an orbit with radius 0.530 1010 m? What experiment demonstrated the function of proteins that allow diffusion facilitated? What are the basic characteristics of the Creator and his creation according to the Christian worldview? A client presents with epigastric pain, a mild fever, nausea, and vomiting. His history shows a previous episode with similar symptoms that reverted in 24 hours. This time the pain is not subsiding. What diagnosis is the most likely? You own a munitions plant, and you decide that your middle managers are insensitive to employees' needs. You send them all out for two weeks of sensitivity training. You are sensitive to what skill deficiency that they have?a. Interpersonal b. Technical c. Conceptual d. Leadership What compound does the formula NO2represent?nitrogen oxidenitrogen dioxidedinitorgen oxidenitroxide 3x + 6y= 69x - 12y = 18 elimination with multiplication Gonzalez Company has 350,000 shares of $10 par value common stock outstanding. During the year, Gonzalez declared a 10% stock dividend when the market price of the stock was $30 per share. Four months later Gonzalez declared a $.50 per share cash dividend. As a result of the dividends declared during the year, retained earnings decreased by What were some of the radical new doctrines that Martin Luther proposed? Martin Luther had proposed his 95 theses to the catholic church. Which of the following lists best summarizes the primate characteristics that laid the foundation for human culture? a. manual dexterity and a large brain size b. upright bipedal walking and social natures c. running ability and the ability to develop weapons as part of a group d. the ability to hunt and gather food In the order of operations, what is the first operation that you should take care of? In what year did Muhammad receive his first message? (1 point4. A regression line has a correlation coefficient of r=-0.91. Which of the following statementsmust be true?The data are so varied that there is almost no discernible trend whatsoever.O The data are very tightly clustered around the trend line.The trend line has a very steep negative slope.The trend line reliably represents only 91 percent of the data. prove that sin^4x - cos^4x = 2sin^2x - 1 Culture incorporates the set of values, ideas, and attitudes that are ________ and shared among the members of a group. The last case of smallpox in the United States occurred in 1949. A worldwide campaign to find new cases followed. Case clusters persisted into the 1960s and 70s. The last case was finally diagnosed in Somalia in 1977. The disease was declared eradicated by the WHO 2 years later and by 1980 the routine administration of the vaccine ended throughout the world. A 0.23 kg mass on a spring vibrates with amplitude 25 cm and frequency 1.7 Hz. Calculate (b) the speed at which the mass passes through equilibrium and (b) the total energy of the oscillation. (Answers: 0.82 J, 2.7 m/s). Time spent using e-mail per session is normally distributed, with mu equals 11 minutes and sigma equals 3 minutes. Assume that the time spent per session is normally distributed. Complete parts (a) through (d). a. If you select a random sample of 25 sessions, what is the probability that the sample mean is between 10.8 and 11.2 minutes? . 259 (Round to three decimal places as needed.) b. If you select a random sample of 25 sessions, what is the probability that the sample mean is between 10.5 and 11 minutes? . 297 (Round to three decimal places as needed.) c. If you select a random sample of 100 sessions, what is the probability that the sample mean is between 10.8 and 11.2 minutes? . 68 (Round to three decimal places as needed.) 12. What steps do you need to take to solvethe equation 2x + 6 - 187A Add 6. Then multiply by 2.B Subtract 6. Then divide by 2.C Add 6. Then divide by 2.D Subtract 6. Then multiply by 2. The voltage across a conductor is increasing at a rate of 2 volts/min and the resistance is decreasing at a rate of 1 ohm/min. Use I = E/R and the Chain Rule to find the rate at which the current passing through the conductor is changing when R = 20 ohms and E = 70 volts.