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zloy xaker [14]
3 years ago
15

5x+2y=7 7x+2y=5 i need it right

Mathematics
2 answers:
atroni [7]3 years ago
8 0
5x+2y=7 7x-2y=5 its subtract not add
aleksandr82 [10.1K]3 years ago
7 0
I solved it in the image below. 

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Given the diagram below, find the height of the shorter tree.
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Answer:

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Step-by-step explanation:

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3h = 39 ( divide noth sides by 3 )

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Assume that y varies directly with x. If y = -5 when
steposvetlana [31]

Answer:

Thus, the value of x = -36 when y = 15

Step-by-step explanation:

We know that if y varies directly with x, we can express the relationship such as

y ∝ x

y = kx

k = y/x

where 'k' is called constant of variation.

Given

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Using the equation

k = y/x = -5/12

Thus, the value of k = -5/12

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y = 15

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substituting y = 15 and k = -5/12 in the equation

y = kx

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divding both sides by -5

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Thus, the value of x = -36 when y = 15

8 0
3 years ago
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Airida [17]

Answer:

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best of luck!

Step-by-step explanation:

6 0
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Is A supposed to be 6 x m or no??

Step-by-step explanation:

8 0
3 years ago
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