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solmaris [256]
3 years ago
10

PLEASE HELP 49 [email protected]



show your work!

Mathematics
2 answers:
Vinil7 [7]3 years ago
7 0

Answer:


Step-by-step explanation:

Yes it is because it can be written in the form y=kx.(y=5/9x)

The constant variation would be 5/9.

Pretty sure this is correct but if not, sorry! Hope this helps.

julsineya [31]3 years ago
3 0

Answer:

This is a direct variation where the constant of variation is 5/9

Step-by-step explanation:

The equation for direct variation is y = kx

5x-9y =0

Lets try to get this equation in the above form

Add 9y to each side

5x-9y +9y = 9y

5x = 9y

Divide each side by 9

5/9 x = 9y/9

5/9x = y

This is in the form y = k x where k =5/9


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Answer:

<u>Cities A and B are 1,125 miles apart</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Distance between A and B in the map = 5 inches

Distance between C and D in the map = 4 inches

Actual distance between C and D = 900 miles

2. How many miles apart are cities A and B?

We will solve the question, using Direct Rule of Three, as follows:

Distance in the map      Actual distance

A - B      5 inches                    x

C - D      4 inches                900 miles

***************************************************

4x = 900 * 5

4x = 4,500

x = 4,500/4

x = 1,125 miles

<u>Cities A and B are 1,125 miles apart</u>

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