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3 years ago

Andrew buys 4 books for the same price, and also a video for $18. His total bill was $110. What was the cost of a book

1 answer:

5 0

First you would subtract 18 from 110 and get a result of 92 then divide by 4 and get 23 so each book is 23 dollars hope this helps mark as brainlist

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Help! (3 3/4)÷(−2 1/2)=

UkoKoshka [18]

Step-by-step explanation:

33/4=8.25

-21/2= -10.5

8.25÷-10.5=0.785

5 0

3 years ago

Please I need help am being timed can someone please help

nadya68 [22]

Answer:

f(x)=13

Step-by-step explanation:

f(10)=10/2+8

f(10)=5+8

f(10)=13

3 0

2 years ago

At what point will 3y=4x-6 and 8x-6y=-30 intercept

tester [92]

Answer:

The lines don't intercept

Step-by-step explanation:

we have

$3y=4x-6$

isolate the variable y

Divide by 3 both sides

$y=\frac{4}{3}x-\frac{6}{3}$

simplify

$y=\frac{4}{3}x-2$ -----> equation A

$8x-6y=-30$

Isolate the variable y

$6y=8x+30$

Divide by 6 both sides

$y=\frac{8}{6}x-\frac{30}{6}$

simplify

$y=\frac{4}{3}x-5$ -----> equation B

Compare equation A and equation B

The slopes are the same and the y-intercepts are different

Remember that

If two lines has the same slope, then the lines are parallel

therefore

In this problem line A and line B are parallel lines

The system of equations has no solution, because the lines don't intercept

3 0

3 years ago

Joe makes a map of his neighborhood for a presentation the scale of his map is 1 inch: 250. How many do 6.5 inches represent on

KiRa [710]

Answer: 1625

Step-by-step explanation:

From the question, we are informed that Joe makes a map of his neighborhood for a presentation and that the scale of his map is 1 inch: 250.

Then, it should be noted that a 6.5 inches would represent:

= 6.5 × 250

= 1625

The answer is 1625

7 0

3 years ago

I need to solve xy I am so confused please

pychu [463]

Answer:

Step-by-step explanation:

In the question it’s given that : y=|x| => even if x will be a negative number,y will be positive.

1) -3 ; 3 ; (-3,3)

2) -2 ; 2 ; (-2,2)

3) -1 ; 1 ; (-1,1)

4) 0 ; 0 ; (0,0)

5) 1 ; 1 ; (1,1)

6) 2 ; 2 ; (2,2)

7) 3 ; 3 ; (3,3)

8 0

2 years ago