I’ll give the Brainliest to who answers this question with a reasonable explanation.

If Jan can buy 12 copies of a certain book for $40, what is the unit rate for cost per copy? How much would it cost her to buy 18 copies at the same rate?

Thank you!

Answers

Answer 1
$40/12 = unit rate simplify = 10/3
$10/3 per book
18 * 10/3 = $60 for 18 copies

Related Questions

40.5g of sugar is needed to make 5 cakes. How much sugar is needed for 8 cakes?

Answers

Answer:

64.8g

Step-by-step explanation:

First you would divide 40.5 by five which would equal 8.1 ; 8.1 resembles 8.1g of sugar per cake. So, 8.1 times 8 cakes would be 64.8g of sugar needed for 8 cakes.

64.8g i did the test

M is the midpoint of AB. If the coordinates of point A are (7,4) and the coordinates of B are (1,2), what are the cooridnates of M?

Answers

Answer:

M(4, 3 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

( [tex]\frac{x_{1}+x_{2} }{2}[/tex] , [tex]\frac{y_{1}+y_{2} }{2}[/tex] )

Here (x₁, y₁ ) = A(7, 4) and (x₂, y₂ ) = B(1, 2) , thus

M  = ([tex]\frac{7+1}{2}[/tex], [tex]\frac{4+2}{2}[/tex] ) = ( [tex]\frac{8}{2}[/tex], [tex]\frac{6}{2}[/tex] ) = (4, 3 )

Answer is (4,3)
This is because to find the mid point you add the x coordinates and divide by 2 and the you add the y coordinates and divide by 2.

x+x/2= midpoint x
y+y/2=midpoint y
And so you do:
7+1=8. 8/2=4 so x coordinate is 4
4+2=6. 6/2=3 so y coordinate is 3

And so the answer to the question is (4,3)

The price of a video game was reduced from $60 to ​​​​​​​$45. By what percentage was the price of the video game reduced?
A.15%
B.25%
C.75%
D.40%

is it A?
im just not really good at math and I don't have much time left for the test im taking so PLEASE HELP!

Answers

Answer:

B. 25%

Step-by-step explanation:

You turn the 25% into a decimal so it would be .25 then you multiply by 60. After that you subtract the answer you have by 60.

NG
1. An exterior angle of a triangle has a measure of 68º. Which of the following could not be the measure of
one of its remote interior angles?

Answers

Answer:

(4) 71°

Step-by-step explanation:

The sum of remote interior angles is equal to the sum of exterior angle.

The angle that could not be the measure of  one of its remote interior angles is 71 degrees

First, we must understand that any interior angle of a triangle cannot be greater than its exterior angle.

The correct value in the given option will be any angle that is greater than 68 degrees.

From the given options, we can see that the only angle that is greater than 68 degrees is 71 degrees.

Hence the angle that could not be the measure of  one of its remote interior angles is 71 degrees

Learn more here: https://brainly.com/question/24231058

Factor f(x)=x3+x2-17x+15 if f(3) =0

Answers

Answer:

Step-by-step explanation:

x^3+x^2-17x+15  replace x with 3

3^3+3^2-17(3)+15 =0

27+9-51+15  combine

=0

i neeed answer fast thanks <3

Answers

Answer:

C, 0.28 x 63 = p

Step-by-step explanation:

Basically, C is getting 28% of 63.

This can be better shown in terms of 100. Let's say you want 28 percent of 100.

0.28 x 100 = 28

0.28 x 63 = p

0.28 x 63 = 17.64, which is 28% of 63

Can someone help me with this??!!

Explain the difference between -34 and (-3)4, and evaluate each power.

Answers

Answer:

68

Step-by-step explanation:

the brackets make the 3 positive

Kyle missed 3 questions on the math exam. If he missed 15% of the questions, how many questions were on the exam all together?

Answers

Step-by-step explanation:

consider the number of Q = X

then 15% × X = 3

then (15 ÷100) X = 3

X = 3 × ( 100÷ 15 ) = 20 Q ( :

Heres a set of data 2.4, 1.6, 3.2, 0.3, 1.5 each peice of data is increases by 10, what is the mean? each new peice of data is doubles, whats the new mean?

Answers

Step-by-step explanation:

Mean is the ratio of the sum of the sample data to the total sample size.

1) Given the set of data 2.4, 1.6, 3.2, 0.3, 1.5, if each piece of data is increases by 10, the new data's will be;

(10+2.4), (10+1.6), (10+3.2), (10+0.3), (10+1.5)

sum of the new data's = 59

Sample size = 5

Mean = 59/5

Mean = 11.8

Hence if the price of data is increases by 10, its new mean will be 11.8

2) If each new piece of data is doubles, the new set of data will be;

2(2.4), 2(1.6), 2(3.2), 2(0.3), 2(1.5)

= 4.8, 3.2, 6.4, 0.6, 3.0

Sum of new data = 4.8+3.2+6.4+0.6+3.0

Sum of new data = 18

sample size = 5

Mean = 18/5

Mean = 3.6

Hence the new mean if the data were doubles is 3.6

Is this a proportional relationship

Answers

Answer:

Yes, this is a proportional relationship due to the fact that each total cost divided by the number of downloads are all equal to 3.

Yes , it is because they both are equal to 3

Find the area of the square.
3
3-m
m2
Help please ASAP

Answers

Answer:

7 is the answer hope it will help you

Answer:

l = 12.25 m²

Step-by-step explanation:

Here, l = 3½ m = 3.5m

∴ Now, The area of a square is

= l²

= (3.5)² m

= 12.25 m²

Thus, The area of a square is 12.25 m²

-TheUnknownScientist

Using rational coefficients, find the factors of a polynomial function that has the following roots. ****Select all that apply**** 3 8i and 7 - square root of 5

the choices are
(x+3)
(x-3)
(x^2-9)
(x-8i)
(x^2+64)
(x-7-square root of 5)
(x^2-14x+44)
and (x^2-14x+54

Answers

Answer:

Options 2, 3, 4, 5, 7

Step-by-step explanation:

Given roots:

3, 8i and 7 - √5

Polynomial with same roots will have factors of:

(x - 3), (x - 8i) and (x - (7-√5))

So correct choices are:

(x - 3)(x^2-9), has a factor of (x - 3)(x - 8i)(x^2+64), has a factor of (x - 8i)(x^2-14x+44), has a factor of (x - 7 + √5)

do this yaayayyayaya brainliest for all thanks so much!!

Answers

Answer: -5 - (-10 )= 5

Step-by-step explanation:

 The arrows on the number line stops at -5 and -10 so you subtract -5 minus -10 and get your anwser 5

I need Help with this Question Plzz!!!

Answers

What’s the question

Is the solution to a two-variable inequality always a solution of the related function? Explain.

Answers

Answer:

not always

Step-by-step explanation:

above

What is the result of the arithmetic operation?
3**4 =

Answers

Answer:

81

Step-by-step explanation:

i did le math, and its right on ed2020

.
Round 1.567 to the nearest tenths place.
1.5
1.6
1.57
1.56

Answers

1.567 rounded to the nearest tenths place is 1.6

Answer:

1.567 rounded to the nearest tenth place

5 is in the tenth place and 6 is after it. 6 is above 5, so 5 rounds up.

1.6 is your answer

hii i need help on another question!
find the total cost to the nearest cent.
$24 shirt; 6% tax

Answers

The answer is $25.44. You need to add the cost of the shirt and the tax together for the answer. The cost of the shirt is $24 and the tax of it is $1.44. So $24 + $1.44 = $25.44.

Answer:

$25.44

Step-by-step explanation:

total cost of shirt = $24 x 1.06

                            = $25.44

3c+5=23 what is c? c=3 c=6 c=7 c=18​

Answers

Answer:

c = 6

Step-by-step explanation:

Subtract 5 from both sides. This is to cancel out the + 5. You have 3c = 18Divide both sides by 3. 18/3 = 6, so c = 6.

Answer:

First, rearrange the equation so you can get the like terms together

3c=23-5

3c=18

c=18/3

c=6

Step-by-step explanation:

I hope this is the answer, and if it helped give me brainliest

−4y−4+(−3)
i need help solving this

Answers

Answer: The answer is negastive 11 although I am not one thousand percent sure that this is the answer, if it is not the correct anser then please tell me and I can get the corecct anwer for you!

negative 11 is the answer

PLEASE HELP ILL GIVE YOU BRAINLIEST!!!!!

Answers

Step-by-step explanation:

Jeremiah solved equation by multiplicative inverse.

Therefore,

Option D is correct ✔

And

Kelly solved equation by Additive inverse.

Therefore,

Option B is correct ✔

One of the slowest fish is the blenny
fish. The function y = 0.5x describes
how many miles y the fish swims in
x hours. Graph the function. Use the
graph to estimate the number of miles
the fish swims in 3.5 hours.
.

Answers

Answer:

It swims 1.75 miles in 3.5 hours. X stands for hours so x=3.5. Y stands for miles so y=1.75.

Step-by-step explanation:

your equation is y=0.5x

we know x=3.5

so y= 0.5(3.5)

solve and you get y= 1.75

so in (x,y) intercept format (3.5,1.75) and you can make a graph and label your x intercepts hours and your y intercepts miles traveled.

The number of miles  the fish swims in 3.5 hours is 1.75 miles.

The equation of a straight line is:

y = mx + b;

y, x are variables, m is the slope of the line and b is the y intercept.

Given the function: y = 0.5x;

where y represent the miles the fish swims in  x hours.

The graph of the function is plotted using geogebra online graphing tool.

From the graph, the number of miles  the fish swims in 3.5 hours is 1.75 miles.

Find out more at: https://brainly.com/question/13911928

1. What is the constant rate of change of the table below?
Hours
2
4
6
Miles
70
140
210
280

WHATS THE ANSWER PLEADE HELP

Answers

70 miles

Step-by-step explanation:

every two hours there are 70 miles. If that was the answer you were looking for anyways.

Help please I will give Brainliest!!!!
Josiah invested $96,000 in an account paying an interest rate of 3.5% compounded continuously. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach $153,400?

Answers

The number of years it will take for the value of the money in the account to reach $153,400 would be = 17 years.

What is simple interest?

Simple interest is defined as the amount of money that is received as an extra cash based on an investment made in an account.

The principal amount of money invested= $96,000

The rate of interest = 3.5%

The total interest on the principal amount = $153,400- $96,000 = $57,400

The time for this investment= ?

Using the formula for simple interest= p×T×R/100

57,400 = 96,000 ×T× 3.5 /100

Make T the subject of formula;

T = 57,400×100/96,000×3.5

T = 5740000/336000

T = 17 years (approximately)

Learn more about simple interest here:

https://brainly.com/question/25793394

#SPJ1

She visited Creepy Cavern at (-2, 5), Bernie's Barn at (-3, 2), Sweet Symphonies at (-3, -1), Rock and Roll Hall at (-2, -4), Whimsical Wonders at (3, -4), Mystery Mansion at (3, 2), and Star Gazing Point at (5, 5). Which of these pairs of places are more than 6 units from one another?

Answers

Answer:

We need to find the distance between the pairs of points to know which is greater than 6units. To do that we make use of this formula:

[tex]d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}[/tex]

Where [tex](x_1 , y_1)[/tex] and [tex](x_2 , y_2)[/tex] are two points on the line.

Let us denote Creepy Carven with CC, Bernie Barn as BB, Sweet Symphonies as SS, Rock and Roll Hall as RR, Whimsical Wonders as WW, Mysterial Mansion as MM and Star Grazing point as SG.

The distance between CC (-2, 5) and BB(-3, 2) using that formula will be:

[tex]d = \sqrt{(-3 + 2 )^2 + (2 - 5)^2}[/tex]

Which is [tex]d = \sqrt{(-1 )^2 + (-3)^2}[/tex]

That gives

[tex]d = \sqrt{10} < 6[/tex]

If we do this for BB to SS we have our value greater than 6, SS to RR our value greater than 6, RR to WW greater than 6, WW to MM is equal to 6 and MM to SG is less than 6.

From here we conclude that the pairs of places greater than 6 is:

BB to SS

SS to RR

RR to WW

WW to MM

Answer:

First, plot each of the points and label them.

Determine the distance between the pairs of places listed in each answer choice.

Since Whimsical Wonders and Rock and Roll Hall lie on the same horizontal line, the distance between the two points is the absolute value of the difference of the x-coordinates.

Using this same process, the distance between Bernie's Barn and Mystery Mansion is 6 units, and the distance between Creepy Cavern and Star Gazing Point is 7 units.

Since the Mystery Mansion and Whimsical Wonders lie on the same vertical line, the distance between the two points is the absolute value of the difference of the y-coordinates.

Using this same process, the distance between Rock and Roll Hall and Creepy Cavern is 9 units, and the distance between Sweet Symphonies and Bernie's Barn is 3 units.

Therefore, the pairs of places that are more than 6 units from one another are Creepy Cavern and Star Gazing Point and Rock and Roll Hall and Creepy Cavern.

Step-by-step explanation:

HELP NOW 15 Points!!!!!!!
Which expression is not equivalent to the other three?
2x + 2+ 2x + 3x – 8
4 + 7x – 2
–2 + 5x + 2x – 4
8x – x – 6

Answers

4 + 7x - 2
That is the different one.

Answer:

4+7x-2

Step-by-step explanation:

i dont know how nit is the anwser put i got it right

Hannah paid for 2.5 pounds of peanuts with a ten-dollar bill. She received $1.20 in change from the cashier. What was the price, per pound, for the peanuts?

Answers

Answer:

$3.52

Step-by-step explanation:

10 - 1.20 = 8.8. Hannah had change, so you need to subtract it to find out how much she paid for 2.5 pounds.8.8/2.5 = 3.52. You are dividing to find the unit rate, which is the price of one pound.

Find the equation of the line that contains the point (5. - 4) and is perpendicular
to the line x = 4. Write the line in slope-intercept form, if possible. Graph the lines.

Answers

Answer: y=-4

Rotate it

Good Luck!

I need help with #18 & 20 ASAP!!!!!!!
Please explain so I can understand

Answers

On 18 I think standard form is aX+bY=#
So, you would just subtract the 3 from the 5 and then your answer would be -3X+4Y=2

Aaaaa pls help ASAP on the second unanswered one
30 points!!

Answers

Answer:

A is the answer

Easy way:

Figure out all of the slopes in the choices and see which one is different.

Answer:

The answer is A.

Step-by-step explanation:

Hope that helps!! Please give me brainliest!!

Other Questions
Which car is accelerating?A) a car that is unmovingB) a car that rounds a curve at a constant speedC) a car travels in a straight line at a constant speedD) a car is set to a constant speed of 60 miles per hour The starting point for measuring longitude is:A. the International Date LineB. the prime meridianC. the equatorD. the North Pole who is the most beautiful woman in the world in your opinion? In the figure, is a median. If = 6 + 10 and = 2 + 12, find the length of . Show your work. Please Help me. And show your work plzzzzzzzz hurry thnx (04.01 LC)Fill in the blank with the correct number to balance the equation: __KCIO3 - 2KCI +302. (Enter only a whole number.) (3 points) pls help find the inequality represented by the graph The cost of 5 pounds of vegetables is $7.55. What is the constant of proportionality that relates the cost of dollars, y,to the number of pounds of vegetables, x?_(Write a numeric value in decimal form. Do not include units) Pls hurry and answer Ill give brainliest Marcus can choose between a monthly salary of $1,500 plus a 5.5% commission of sales or $2,000 plus a 3% commission of sales. He expects about $8,000 in sales each month. Which salary option should he choose? What is a vein in rock? Which manufacturing process is shown in the photograph?A CombiningB. Separatingc. FormingD. Conditioning helpUse the Pythagorean theorem to write an equation for 16^2+12^2=c^2 -6(2+a)=-48 what is the value for a Perhaps you heard the names illinois, delaware, or miami before. Where else have you heard these tribal names?What can you infer about the connections between these tribes that have been named after them?PLEASE IM SO CONFUZED WHHDDHDYDUSUSH answer 6, as quick as you can please He cafeteria at Midtown Middle School surveyed 575 students about their favorite food. If 8% of the students surveyed liked chicken, how many students said that chicken is their favorite food? What happens when this match is struck against the side of the match box? What does an Indian reservation do to the Right of Occupancy?