A bookstore sells textbooks for $80 each and notebooks for $4 each. Th
bookstore would like to sell $800 in merchandise by the end of the week
write a linear equation that describes the problem

Answers

Answer 1

Answer:

the equation is 80×9=720 20×4=80 and if you add them together you get 800


Related Questions

The length of a rectangle is 3.7 inches when rounded to the nearest tenth of an inch. Select all of the following that could be the actual length of the rectangle.

Answers

Answer:

poop

Step-by-step explanation:

Which of the following statements cannot be assumed from the diagram?

Answers

Answer:

Can you give me any more context?

Pool #1 is a rectangle that is 14 feet wide. The length is (14– 8)2ft.

The dimensions of the pool are: Length=________ ft Width=_________ft

Answers

Answer: the length is 6 feet. The width is 2 feet

Step-by-step explanation:

The garden pool is rectangular in shape.

Let L represent the length of the rectangular garden.

Let W represent the width of the rectangular garden.

The area of a rectangle is expressed as L× W. The area of the rectangular garden pond is 12ft^2. It means that

L× W = 12 - - - - - - - - - - 1

The length of the pool needs to be 2ft more than twice that width. This means that

L = 2W + 2 - - - - - - - - - - - 2

Substituting equation 2 into equation 1, it becomes

W(2W + 2) = 12

2W^2 + 2W = 12

2W^2 + 2W - 12 = 0

W^2 + W - 6 = 0

W^2 + 3W - 2W - 6 = 0

W(W + 3) - 2(W + 3) = 0

W - 2 = 0 or W + 3 = 0

W = 2 or W = - 3

Since the Width cannot be negative, then the width is 2 feet

Substituting W = 2 into equation 2. It becomes

L = 2×2 + 2 = 6 feet

if f(x)=3^x+10x and g(x)=5x-3, find (f-g)(x)

Answers

8x+3, I don’t have anything to equal it too so that is as simple as it can get.

A car wash washes 68 cars in 8 hours. At this rate, how many cars are washed in 1 hour?

Answers

Answer:

8.5 (If just pure cars then 8.)

Step-by-step explanation:

To find this, just divide 68/8 to find how many cars are washed in an hour. Plugging it into a calculator, we find out that it is 8.5. If you need elaboration, just comment.

What you have to do is divide 68 by 8 bc then it will change it to one and you get 8.5

Which of these equations has a negative sloping line?*
O y=-2/3x +8
O y = 2/3x - 8
O y = 4/3x +10
O y = 9/5x - 3

Answers

Answer:

Option 1.

Step-by-step explanation:

That option is the only one with a negative x coefficient, which is the slope.

Answer:

y=-2/3x +8

Step-by-step explanation:

the coefficient of x determines the slope of the line so negative coefficient, negative slope line

The graph shows the relationship between distance driven and gallons of gas used.

Continuous graph on a coordinate plane shows distance driven, numbered 20 to 60 along the horizontal axis, and gallons of gas used, numbered 1 to 4 on the vertical axis. Solid circles appear at points (0, 0), (30, 1), (60, 2).

Use the graph to complete the statements.

The car gets
miles to the gallon.

After the car has traveled
miles, 2 and two-thirdsgallons of gas have been consumed.

Answers

Answer: 30 and 80

So the care gets *30* miles gallon.

After the car has traveled *80* miles, 2 2/3 gallons.

Answer:

30 and 80 is the answers

Step-by-step explanation:

Simplify.

[tex] {8}^{4} \times {8}^{5} = {8}^{?} [/tex]
Enter the missing exponent.​

Answers

9
is the correct answer when multiplying exponents with the same base, you keep the base add the exponents.

Answer:

The answer to your question is simply just 9.

Find the slope of the line passes through (1,4) and (9,1)

Answers

I think it’s -8/3 cus you subtract 1-9 and 4-1

Answer:

-0.375

Step-by-step explanation:

Way one(the harder one):

Let the line which passes through (1,4) and (9,1) be f(x)=kx+b

Sub (1,4) and (9,1) in and we get [tex]\left \{ {{4=1k+b} \atop {1=9k+b}} \right.[/tex]

=> (9k+b)-(k+b)=1-4

                   8k=-3

                     k=-3/8 or -0.375

Therefore the slope of the line is -3/8 or -0.375

Way two(the easier one):

k= [tex]\frac{change in y}{change in x}[/tex] = [tex]\frac{1-4}{9-1}[/tex] = -[tex]\frac{3}{8}[/tex]

which statement about the following system of inequalities is true? y-2x<2.5

Answers

The first one ;)

Haha a good day

Select the interval where f is negative

Answers

Answer:

The negative regions of a function are those intervals where the function is below the x-axis. It is where the y-values are negative (not zero). y-values that are on the x-axis are neither positive nor negative. The x-axis is where y = 0.

Step-by-step explanation:

hope this helps :)

Find the equation of the perpendicular bisect of the given segment by following these steps
1. Determine the slope of the given segment

Answers

Where’s the equation?

Answer:

3/2

Explanation: Just did this on Edge

2 1⁄4 × 1 1⁄2 × 5⁄3 =
please help me

Answers

The answer is:

5 5/8

I got this by multiplying 2 1/4 and 1 1/2 first and i got 3 3/8, then multiplied that number with 5/3

I really need help....
..

Answers

Answer:

show the whole number line plz

Step-by-step explanation:

through: (0, 4) and (−2, −4)

Answers

Answer:m=4

Step-by-step explanation:Use the slope formula. The set up would be -4-4/-2-0. This gives us -8/-2 which you can simplify to 4.

If f(a) = 3a – a2, which of the following are not true statements?

Select all that apply.

A. f(-5) = -40
B. f(4) = -4
C. f(-1) = 2
D. f(0) = 3
C. f(3) = 0

Answers

If f(a) = 3a – a2, which of the following are not true statements?

Select all that apply.


B. f(4) = -d

Lillian works 7hours each day for 5 days a week she earn £420 each week how much does she earn per hour

Answers

Answer:

£12 per hour

Step-by-step explanation:

7 × 5 = 35 hours

35 h : 420

1 h : x

x = 420×1 / 35

= £12 per hour

Hotel A charges $140 and an additional $10 per person. Hotel B charges $80 and an additional $20 per person. Write an equation that will help determine how many people must rent the room for the charges to be the same?

Answers

Answer:

2 people must rent the room in hotel B to make the charges the same

Step-by-step explanation:

Which representations have the same rate of change of y with respect to x as the slope -0.5?
I really need help!
The last option is "All of the above"

Answers

Answer:

All of the above

Step-by-step explanation:

Which equation correctly applies the distributive property?

Answers

Answer:

What are the anwser choices?

Step-by-step explanation:

?

Use the calculator to evaluate the function y = 1 *2 - 2 for the given values of x.
x= 4, y =
x=6, y=

Answers

Answer:

when x= -4, y= 2

when x= 6, y =7

Step-by-step explanation:

We have the x values, so we can plug them in and solve. for the first problem, it becomes y =1/4 (-4)^2 -2

first we do the exponent

y= 1/4 (16) - 2

Then the multiplication

y= 4-2

then subtraction

y=2

For the second problem, it becomes y= 1/4 (6)^2 -2   We follow the same steps

y = 1/4 (36) - 2

y= 9-2

y= 7

The function y = 1 *2 - 2 for the given values of x are

when x= -4, y= 2

when x= 6, y =7

We have the x values, so we can plug them in and solve. for the first problem, it becomes y =1/4 (-4)² -2

First we do the exponent

y= 1/4 (16) - 2

Then the multiplication

y= 4 - 2

then subtraction

y = 2

For the second problem, it becomes y= 1/4 (6)² -2   We follow the same steps

y = 1/4 (36) - 2

y = 9 - 2

y = 7

Learn more about function here:

https://brainly.com/question/33062106

#SPJ4

reciprical of 17 plz and thank u

Answers

to find the reciprocal you divide 1 by the given number it would be 1/17

Answer:

the answer is 1/17

Step-by-step explanation:

A box contains 15 large marbles and 11 small marbles. Each marble is either green or white. 9 of the large marbles are green, and 3 of the small marbles are white. If a marble is randomly selected from the box, what is the probability that it is small or white? Express your answer as a fraction or a decimal number rounded to four decimal places.

Answers

Answer:

The probability of selecting a small or white marble is 10/13

Step-by-step explanation:

The total number of marbles is 15 + 11 = 26 marbles

The probability that we want to calculate is if the marble selected is small or white.

So we need to find the number of small marbles as well as the number of white marbles

We can construct a table to see the distribution of the marbles. Please check the attachment for this.

From the table , we can see that there are 11 small marbles and a total of 9 white marbles

The probability of selecting a white marble is;

number of white marbles/total number of marbles = 9/26

The probability of selecting a small marble will be ;

number of small marbles/total number of marbles = 11/26

In probability, whenever we have or, we tend to add

So therefore, the probability of selecting a white or small marble = Probability of selecting a white marble + Probability of selecting a small marble

Mathematically, that would be 9/26 + 11/26 = 20/26

So the probability is 10/13

Solve the inequality:
2x – 3 < x + 2 < 3x + 5
Show your work.

Answers

Answer:

x+2/3

Step-by-step explanation:

Hope this helps!

Step-by-step explanation:

2x−3<x+2≤3x+5

Solve 2x−3<x+2 for x.

x<5

Solve x+2≤3x+5 for x.

x≥−32

Find the intersection of x<5 and x≥−32.

−3/2≤x<5

Hope this helps! :) Plz mark as brainliest

Max and Maddy race. Max runs at a speed of 2mph. Maddy runs at a speed of 3mph. If Max takes 3 hours, what is Maddy's speed?

Plz answer!

Answers

Answer:

The question has the answer in it.. Maddy's speed.. which is 3 MPH :/ but... if you need to find the thing that isn't known... Maddy's time.. here is how..

Step-by-step explanation:

Max takes 3 hours at 2 mph.. soo 3x2=6 miles that max traveled

Maddy runs at 3 mph  so .. 6 miles / 3MPH  =2 hours,  Maddy takes 2 hours

If A ⊂ B, then A ∩ B = A ∪ B. a) sometimes b) always c) never

Answers

The Answer is Never- Hope this helps and have a great day!

Explanation:

We are given that set  A⊂B .

This means that set A is properly contained in set B.

i.e. A≠B

This means that there are some elements in set B which are not in set A.

Now we have to show whether the following property A∩B=A∪B

always, sometimes or never hold.

As A is a proper set of B.

This means that: A∩B=A ( Since A is a smaller set)

Also, A∪B=B  (Since B is a bigger set)

                  Hence, A∩B ≠ A∪B  (Since A≠ B)

Credit to -virtuematane

Please help me help me

Answers

1). 1 1/3 • 1 1/2= 2 5/8
2) 80 • 3/5= 32
3)5 1/3 • 9= 48
4) 1 7/8 • 1/6= 15/48

5. Suppose a bunny's second hop is 8% higher than her first hop. Is the
statement below true or false? If the statement is false, correct it.
"The bunny's second hop is 108% of her first hop."


Answers

True is the correct answer

What is -6x+4x in standard form? This is due today and I never understand these

Answers

Answer:

-2x would be the answer

Step-by-step explanation:

You have to combine like terms.

Am I correct, if not please explain the correct answer. ​

Answers

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No buddy you are wrong .

Look ;

(( Left table )) :

[tex] \frac{y}{x} = 6 \\ [/tex]

[tex] \frac{48}{8} = 6 \\ [/tex]

[tex] \frac{60}{10} = 6 \\ [/tex]

[tex] \frac{72}{12} = 6 \\ [/tex]

Thus it is proportional .

_________________________________

(( Right table )) :

[tex] \frac{y}{x} = \: .... \\ [/tex]

[tex] \frac{12}{6} = 2 \\ [/tex]

[tex] \frac{28}{7} = 4 \\ [/tex]

[tex] \frac{68}{8} = 8 \\ [/tex]

_________________________________

Thus the left table is proportional and

y is 6 times x in it.

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