2 years ago

Solve for y. 3x + 4y = z -----------------

Mathematics

1 answer:

Georgia [21]2 years ago

3 0

Answer:

y= z-3x/4

Step-by-step explanation:

4y=z-3x

y=z-3x/4

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How do you solve: f(x) = -x2e-x<br> +2xe-x , finding the zero's of f.

Maksim231197 [3]

Answer:

0 and 2

Step-by-step explanation:

$f(x) = -x^2e^{-x}+2xe^{-x}$

To find zeros set f(x)=0 and solve for x

$0 = -x^2e^{-x}+2xe^{-x}$

$0 = -e^{-x}(x^2-2x)$

now factor out x

$0 = -xe^{-x}(x-2)$

set each factor =0 and solve for x

$x=0$

$-e^{-x}=0$ no solution for x

$x-2=0, x=2$

zeros of f are 0 and 2

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3 years ago

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The answer to this is the last option

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Answer:

Male=21 Female=14

Step-by-step explanation:

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f=14

and since we know there is 7 more males then the answer is

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2 years ago

A lap around a track is 2/5 of a mile. how many laps is a 1 1/2 mile race?

sergiy2304 [10]

Answer:

3 3/4

Step-by-step explanation:

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