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Anastaziya [24]
3 years ago
7

Someone help , i’ll give you brainliest !

Mathematics
2 answers:
m_a_m_a [10]3 years ago
4 0
Not sure right now give me a few mins
scoundrel [369]3 years ago
3 0

Answer:

It is y^5 + 15y^4 + 90y^3 + 270y^2 + 405y + 243

Step-by-step explanation:

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Step-by-step explanation:

3 0
3 years ago
Suppose that y varies directly with x<br> and y = 10 when x = 20. What is y<br> when x = 15?
tresset_1 [31]

Answer: y = 7.5

Step-by-step explanation:

Suppose that y varies directly with x

That is, y∝x

Convert y∝x to a full equation by introducing a constant k to the right hand side.

Therefore, y = kx

Given that y = 10 and x = 20

Substitute y and x in the equation above. We have;

10 = k(20)

10 = 20k

20k = 10

k = 10/20

k = 0.5

Since k = 0.5, the equation y = kx becomes y = 0.5x

Now, to find y if x = 15, substitute x in equation y = 0.5x

Therefore, y = 0.5(15)

y = 7.5

5 0
3 years ago
I got B+ in math what do you think should i tell my parents
lutik1710 [3]

Answer:

bro i got a B+ in math tooo!!!!!!!!

Step-by-step explanation:

yeah tell them!

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3 years ago
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