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sasho [114]
2 years ago
11

If y varies directly with x and y=100 when x=5, what is the value of k?

Mathematics
1 answer:
horrorfan [7]2 years ago
7 0
When it says varies directly, it means that y and x are going to be on opposite sides of the equals sign and that there is a constant, k,

y=kx

Plug in (5,100)

100=k(5)

K=20
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denis23 [38]

Answer:

for the first one I got y=-2x-2 the second part i got y=-x-1 or -1x-y-1=0  Correct me if I am wrong

Step-by-step explanation:

Use the slope formula

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1 - -3=4

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6 0
3 years ago
Which expression is equivalent to 2^4 ⋅ 2^−7?
skad [1K]

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3 0
2 years ago
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vovikov84 [41]
Using cosine law.

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3 years ago
Read 2 more answers
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