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kramer
2 years ago
13

4x - 5y = 15 solve for y​

Mathematics
1 answer:
Wewaii [24]2 years ago
7 0

Answer:

y=-\frac{15-4x}{5}

Step-by-step explanation:

4x-5y=15

Subtract 4x from both sides:

4x-5y-4x=15-4x

-5y=15-4x

Divide both sides by -5:

\frac{-5y}{-5}=\frac{15-4x}{-5}

y=-\frac{15-4x}{5}

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Let f(x) = tan(x) - 2/x. Let g(x) = x^2 + 8. What is f(x)*g(y)?
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Answer:

f(x)\times g(y)=y^2tan(x)+8tan(x)-\frac{2y^2}{x}-\frac{16}{x}

Step-by-step explanation:

We are given that

f(x)=tan(x)-\frac{2}{x}

g(x)=x^2+8

We have to find f(x)\times g(y)

To find the value of f(x)\times g(y) we will multiply f(x) by g(y)

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Now,

f(x)\times g(y)=(tanx-\frac{2}{x})(y^2+8)

f(x)\times g(y)=tan(x)(y^2+8)-\frac{2}{x}(y^2+8)

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Hence,

f(x)\times g(y)=y^2tan(x)+8tan(x)-\frac{2y^2}{x}-\frac{16}{x}

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2 years ago
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