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3 years ago

Evaluate the following expression: 5+7(3x+y) when x=12, y=8

Mathematics

2 answers:

Mice21 [21]3 years ago

7 0

Answer:

The answer is 313.

Step-by-step explanation:

You have to substitite the values of x and y into the expressions :

$5 + 7(3x + y)$

$let \: x = 12,y = 8$

$5 + 7(3 \times 12 + 8)$

$= 5 + 7(36 + 8)$

$= 5 + 7(44)$

$= 5 + 308$

$= 313$

timofeeve [1]3 years ago

5 0

First step is 5+7(36x+8y) because you have to distribute

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Answer:

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Step-by-step explanation:

The given equation is

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Differentiate with respect to t.

$4x^3\frac{dx}{dt}=8(5y^4)\frac{dy}{dt}-0$ $[\because \frac{d}{dx}x^n=nx^{n-1},\frac{d}{dx}C=0]$

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3 years ago

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Step-by-step explanation:

Since this is a right triangle, we can use trig functions

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Answer:

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Step-by-step explanation:

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