Question 1 of 20:
Select the best answer for the question.
1. Will bought 3 college textbooks. One cost $32, one cost $45, and one cost $39.
What is the average price of his books? Choose the statement that correctly
calculates the average.
A. $32 + $45 + $39 : 3
B. $32 : 3 + $45 : 3 + $39
O C.3 × $32 + $45 + $39
D. ($32 + $45 + $39) = 3
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Answers

Answer 1

Answer:

I would have to say A) 32 + 45 + 39: 3

Step-by-step explanation:

This is because when finding the average of literally anything, you want to add up all the numbers, and then divide the sum of it by the numbers you added up.

for instance: 32 + 45 + 39 = 116. now, we need to divide by 3 because we added 3 numbers up.

116 divided by 3 = x

x is our average cost per books.

hope this helped, gl on your test!! :')


Related Questions

The table below shows the scoring system for quarterbacks in Jeremy's fantasy football league.
Vies
& Step
Quarterback Scoring
Texd
Action
Points
Touchdown pass
6
Prin
0.5
Complete pass
Incomplete pass
-0.5
Interception
-1.5
In one game, Jeremy's quarterback had 4 touchdown passes, 20 complete passes, 9 incomplete passes,
and 2 interceptions. How many total points did Jeremy's quarterback score?
Jeremy's quarterback scored a total of blank
points.

Answers

Answer:

hi

Step-by-step explanation:

need someone’s help with this please!!!

Answers

Answer:

Option 3

Step-by-step explanation:

Since lines a and b are intersecting, x+5=2x-5. Because they are vertical angles.

x+5=2x-5

2x-x=5+5

x=10

X=10



HahauajNaguajmanavshananahsus

consider f(x) = x^3 + x^1 would the function be even, odd, neither,or not enough information to determine

Answers

Answer:

The function is odd

Step-by-step explanation:

Even functions and odd functions are those which satisfy particular symmetry relations as follows:

f(x) is even if f(-x) = f(x)

f(x) is odd if f(-x) = -f(x)

Not all functions are eligible for being even or odd.

Considering

[tex]f(x)=x^3+x^1[/tex]

Let's find f(-x)

[tex]f(-x)=(-x)^3+(-x)^1[/tex]

Since [tex](-x)^3=(-x)(-x)(-x)=-x^3[/tex]

And [tex](-x)^1=-x:[/tex]

[tex]f(-x)=-(x)^3-(x)^1[/tex]

Factoring by -1:

[tex]f(-x)=-((x)^3+(x)^1)[/tex]

The expression in parentheses if f(x), thus:

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

And the function is odd.

3) A local school district has 4512 students this year. The student population is declining by 2.5% per year. How many students will the school have next year

Answers

Answer:

Number of students(n1)= 4,402

Step-by-step explanation:

Giving the following information:

Number of students= 4,512

Declining rate= 2.5%

To calculate the number of students next year, we need to use the following formula:

Number of students (n+x)= number of students (n0) / [(1+declining rate)^(n+x)

x= number of years

Number of students(n1)= 4,512/1.025

Number of students(n1)= 4,402

Find the value of n. 103 × n = 630 The value of n is .

Answers

Answer:

The answer would be n=6.11

Step-by-step explanation:

The answer would be n=6.125

It is asking for the value of a variable, in this case, the variable is "n" and it can be found by isolating it on one side of the equation using basic mathematical operations such as division, multiplication, addition and subtraction. The question is asking to find the value of n, by solving the equation 103*n = 630.

To find the value of n, we can divide both sides of the equation by 103.

103 * n = 630

n = 630/103

n = 6.125

Therefore, The value of n is 6.125

Learn more about Algebraic Equations at

https://brainly.com/question/4344214

Math! Answers to 11 and 12?

Answers

Answer: 11 a 12 c  Step-by-step explanation:

Please help me with all, I will mark brainliest as long as u tell me how u got those answers

Answers

2 3 6 is a function because they can past through the line and 1 4 5 is not function because they can past through the straight line

The graph shows one of the linear equations for a system of equations. Which equation represents the second linear equation for the
system of equations that has the solution which corresponds to a point at (12, -39)

Answers

:

he graph shows one of the linear equations for a system of equations. Which equation represents the second linear equation for the

system of equations that has the solution which corresponds to a point at (12, -39)

Answer:

There is no graph where i can rely on

Step-by-step explanation:

Explain this is to me.

Answers

Answer:

6

Step-by-step explanation:

y=mx+b

M=Slope

B=Yintercept (6 in this case)

Where the line crosses the Y axsis

y= -8x + 6

Hope this helps.

Answer:

Hi so when you write an equation for a line I like you start with finding the y-intercept (where the line crosses the y-axis) in this case it is 6, remember that. Now we need to find the slope. I like to just count over and down from the points they give us. In this case it is 8 down and over 1. 8/1 is just 8 and the line is pointing downwards so the line is negative.

Now we put it together: y=mx+b (m is slope and b is y-intercept)

y= -8x + 6

Hope this helped!

Katie played 5 consecutive games of soccer without being taken off the field. Then, after a single game on the sidelines, she played another 7 consecutive games. What is the percent of increase in the number of consecutive games she played?

Answers

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A rocket is launched from a tower. The height of the rocket , y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the maximum height reached by the rocket, to the nearest tenth of a foot.

Y=-16x^2+147x+118

Answers

Answer:  Max height = 455.6 feet

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

Explanation:

The general equation

y = ax^2 + bx + c

has the vertex (h,k) such that

h = -b/(2a)

In this case, a = -16 and b = 147. This means,

h = -b/(2a)

h = -147/(2*(-16))

h = 4.59375

The x coordinate of the vertex is x = 4.59375

Plug this into the original equation to find the y coordinate of the vertex.

y = -16x^2+147x+118

y = -16(4.59375)^2+147(4.59375)+118

y = 455.640625

The vertex is located at (h,k) = (4.59375, 455.640625)

The max height of the rocket occurs at the vertex point. Therefore, the max height is y = 455.640625 feet which rounds to y = 455.6 feet

Please help I will give brainliest! thanks

Answers

Answer:

According to me D should be the right answer

The price of a technology stock was $9.66 yesterday. Today, the price fell to $9.55. Find the percentage decrease.

Answers

So the decrees would be 0.11 because if you add 9.55 with 0.11 you would get 9.66 then to make sure it’s right you subtract 9.66 by 0.11 and you would get 9.55. So the answer is 0.11

HELP ILL GIVE BRAINLIST IF YOU HELP MEEEEEEEEEEE
(20 POINTSSSS) PLUS BRANLIEST DO NOT REPORT PLEASE
I put some counters into groups with the same number in each group. I can’t remember what I did, but I do remember that I had 12 counters. What might the groups have been?
THANKS

Answers

Answer:

2 groups of 66 groups of 24 groups of 33 groups of 41 group of 1212 groips of 1

Step-by-step explanation:

To figure out the possible groups find the factors of 12; in other words what two numbers would multiply to 12. These are: 1, 2, 3, 4, 6, and 12

1 × 12 = 122 × 6 = 123 × 4 = 124 × 3 = 126 × 2 = 1212 × 1 = 12

So, your possible groupings are;

2 groups of 66 groups of 24 groups of 33 groups of 41 group of 1212 groips of 1

Answer:

the answer is 4 * 9

Step-by-step explanation:

np

HELP ME FOR 30 POINTS!!!!!!

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for the water level, L, after d days.

Answers

Answer:26 in 16 days

Step-by-step explanation:

what is the decimal for five and seven tenths

Answers

Answer:

5.7... I belive

Step-by-step explanation:

hope this helps :3

if it did pls mark brainliest

find the first five terms of the recursive sequence.

Answers

Answer:

5, 12, 19, 26, 33

Step-by-step explanation:

a1 = 5

a2 = 5 + 7 = 12

a3 = 12 +7 = 19

a4 = 19 +7 = 26

a5 = 26 + 7 = 33

The graph below shows the cost that Hondo pays for apples. What does the point (0,0) on this graph mean?

Answers

Answer:

(0,0) means that he didn't buy any apples so it doesn't cost anything

Step-by-step explanation:

Please help me and explain this.

Answers

You are supposed to answer where the function, h(x), is decreasing. In other words, where is “y” decreasing.

In this graph, I believe it would be from (-3,4)U(8,infinity). I hope this helps.

PLEASE HELP!!! ILL GIVE AS MANY POINTS AS YOU WANT!!! PLEASE!!

Answers

1: y=8, (-2,8)

2: y=6, (-1,6)

3: y=0, (2,0)

Step-by-step explanation:

Insert the x value into each equation then see what value of y that you need to get 4 on the right hand side of the equation.

What is the measure of PRQ?

Answers

Answer:

the answer is 172

Step-by-step explanation:

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[tex]PRQ = \frac{PQ +TS}{2} \\ [/tex]

[tex]PRQ = \frac{102 + 70}{2} \\ [/tex]

[tex]PRQ = \frac{172}{2} \\ [/tex]

[tex]PRQ = 86°[/tex]

Thus the correct answer is (( A )) .

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Is the amount of time it takes to download a file from the internet discrete or continuous?

Answers

Answer:

The amount of time that is spent downloading internet files is a continuous measurement and is not discrete, because it will always follow the same length of time that is estimated to download, but due to changes of internet WiFi connectivity and other background programs this can all affect the speed of the computer programs responsible for downloading the files.

Answer/Step-by-step explanation:

The amount of time that is spent downloading internet files is a continuous measurement and is not discrete, because it will always follow the same length of time that is estimated to download, but due to changes of internet WiFi connectivity and other background programs this can all affect the speed of the computer programs responsible for downloading the files.

The given equation shows the relationship between the price, in dollars, y, of x gallons of gasoline.
y = 2.251
Which graph represents the proportional relationship?
Cost of Gasoline
3.5
Cost of Gasoline
3.5
3
3
2.5
2.5
Price ($)
2
Price ($)
2
1.5
1.5
1
1
0.5
0.5
0
0
0.5 1 1.5 2 2.5 3 3.5
Gallons of Gasoline
w.
0.5 1 1.5 2 2.5 3 3.5
Gallons of Gasoline
X.
Cost of Gasoline
Cost of Gasoline
Y
3.5
3.5
3
3
2.5
2.5
Price ($)
2
Price ($)
2
1.5
1.5
1
1
0.5
0.5
0
0
0.5 1 1.5 2 2.5
1.5 2 2.5 3 3.5
Gallons of Gasoline
Y.
0.5 1 1.5 2
1.5 2 2.5 3 3.5
Gallons of Gasoline
z.
1 of 10 Answered
Session Score: 0% (0/1)

Answers

It would be Z and X bc they match up with each other they are just on different parts of the graph

Please find measure of angle s. PLEASE HELP FAST!!

Answers

Answer:

27

Step-by-step explanation:

15x-31 = 9x+11

6x-31 = 11

6x = 42

x = 7

15x -31 + 9x + 11 + s = 180

15(7) -31 + 9(7) + 11  + s = 180

105 - 31 + 63 + 11 + s = 180

153 + s = 180

s = 27

Two particles are projected simultaneously towards each other from opposite ends of a straight

horizontal tube. One particle travels 97 cm in the 1st 2 seconds, 93 cm in next 2 seconds , 89 cm in

another next 2 seconds, etc. The other particle travels 49 cm in the 1st 2 seconds, 47 cm in the next 2

seconds , 45 cm in another next 4 seconds, etc. Find how long it takes for the particles to meet and

hence, determine the distances travelled by each particle.​

Answers

Answer:

The problem with this question is that it is missing an important number, which is the length of the tube. Assuming that the tube is 10 meters long (=1,000 centimeters long)

time (in        distance traveled         distance traveled       distance

seconds)     by particle A in cms     by particle B in cms    between both

                                                                                              particles in cms

1                               97                            49                     854

2                               93                            47                     714

3                               89                            45                     580

4                               85                            43                     452

5                               81                            41                     330

6                               77                            39                     214

7                               73                            37                     104

8                               69                            35                     0

   

After 8 seconds both particles should meet. Particle A traveled 664 centimeters and particle B traveled 336 centimeters.    

2:3= 10:

12:15 = 4:

1:5= 5:

15:30 = 1 :

Answers

Answer:

I think this is the answer

Step-by-step explanation:

2:3=10:15

12:15=4:5

1:5=5:25

15:30=1:2

estion Determine the vertical asymptote(s) of the function. If none exists, state that fact. x + 3 f(x) – 10x²+ + 21x Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. The function has one vertical asymptote, (Type an equation.) and the rightmost asymptote is OB. The function has two vertical asymptotes. The leftmost asymptote is (Type equations.) O C. The function has three vertical asymptotes. The leftmost asymptote is (Type equations.) OD. The function has no vertical asymptotes. the middle asymptote is and the rightmost asymptote is​

Answers

Answer:

C.

Step-by-step explanation:

I believe it is C.

peter walks at a speed of 3mph his dad walks at a speed of 5mph. How many minutes does it take for peters dad to walk one mile

Answers

Answer:

12 minutes

Step-by-step explanation:

If you walk 5 MPH (which is a jog for most folks), then it will take 12 minutes to walk one mile or 1 hour to walk 5 miles.

May I have brainliest please? :)

Which statement is false? Explain.
A. An equiangular polygon has all angles congruent.
B. A regular polygon is both equilateral and equiangular.
C. An equilateral polygon has all sides congruent.
D. A polygon is concave if no diagonal contains points outside the polygon.

Answers

Answer: D. A polygon is concave if no diagonal contains points outside the polygon.

Explanation:

Choice A is true since "equiangular" means "equal angles"

Choice B is true since all sides are congruent, and all angles are congruent for a regular polygon

Choice C is true. The term "lateral" means "side".

Choice D is false because a convex polygon is one where all possible line segments contained in the polygon do not spill outside the polygon. Put another way, if points A and B are in a convex polygon, then every point on line segment AB is also in the polygon. Concave polygons don't have this feature. It is possible to draw a line segment where it spills outside the concave polygon.

1. Lisa is saving 850 that she received from her grandmother. She earns 56 each time she walks her neighbor's dog,
which she also saves
Which function can be used to find 1, the amount of money Lisa Will have saved after walking the neighbor's dog d
times?
A f = 500 + 6
OB. f = -6d + 50
Oc. f = - bd + 44
OD. f = bd + 50

Answers

Answer:

d

Step-by-step explanation:

6(d) d=days

50 =how much she already got

6times how many d plus fifty is equal to number d

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