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Alexxx [7]
3 years ago
14

Pls help me with this problem i will give brainly.

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

Answer: Give the guy above some points, I'm just trying to help. [I am not trying to steal points!]

Step-by-step explanation:

We are given that:

variables x and y vary directly, this means that:

y = kx where k is the constant of proportionality

Now, we are also given that:

y = 45 at x = 40.

We will use these values and substitute in the above relation to get k as follows:

y = kx

45 = 40k

k = 45/40 = 9/8 = 1.125

Based on the above calculations, the equation that relates x and y is:

y = 1.125x

siniylev [52]3 years ago
3 0

Answer:

We are given that:

variables x and y vary directly, this means that:

y = kx where k is the constant of proportionality

Now, we are also given that:

y = 45 at x = 40.

We will use these values and substitute in the above relation to get k as follows:

y = kx

45 = 40k

k = 45/40 = 9/8 = 1.125

Based on the above calculations, the equation that relates x and y is:

y = 1.125x

Step-by-step explanation:

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