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IceJOKER [234]
4 years ago
12

A store is having a sale on DVDs and CDs. DVDs cost $4 and CDs cost $7. On one day, the store made $204 from DVD and CD sales, a

nd sold a total of 39 items. Write a system of equations, then solve to find how many DVDs and CDs were sold.

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
4 0
See attached picture

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If you could travel 450 miles in 5.5 hours, then how far could you travel in 7 hours?​
GrogVix [38]

Answer:

I will use x as the distance traveled in 7 hours

450/5.5 = x/7.7 - set up proportion

5.5x = 3465 - cross products

5.5x/5.5 = 3465/5.5 - divide each side by 5.5

x = 630 - answer

hope this helps.

Step-by-step explanation:

4 0
4 years ago
The graph of a proportional relationship contains the point (20, 4) .
lilavasa [31]

Answer:

x + 24

Step-by-step explanation:

Which of the following has the least steep graph? A. y = 3x - 16 B. y = 2x + 7/15 (7/15 fraction) C. y = 1/2x + 3 (1/2x fraction) D. y = x + 24

3 0
3 years ago
Guys please help me with this !!!! Right answers plz
ziro4ka [17]

Answer:

42.5

Step-by-step explanation:

When you do the bottom corners, it 2x2 divided 2 then you do 2x2, then 5x2 divided by 2 you do 3.5x9.0 when you add all of them up you get 42.5.

4 0
4 years ago
)) You pick a card at random. 1 2 3 4 5 6 7 7. What is P(even)? Write your answer as a fraction or whole number. can I get some
Yuri [45]

Answer:

probability of even numbers is 3/8

6 0
3 years ago
Me ayudan alguien/ can someone help me!!!​
Tresset [83]

Answer:

divide perimeter by 3

Step-by-step explanation:

all 3 sides of an equilateral triange are equal, so you can divide the perimeter by 3 to get the length of one side

7 0
3 years ago
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