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2 years ago

7

Jackson earned 22 out of 25 points on a class project. Determine the percentage grade that he earned by setting up an equivalent

fraction with a denominator of 100.

1 answer:

svlad2 [7]2 years ago

5 0

Answer:

it would be a 85 percent

Step-by-step explanation:

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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

2. How many solutions does the below system of equations have?

bearhunter [10]

Y=5x-4

3y=15x-8
3(5x-4)=15x-8
15x-12=15x-8
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Therefore, there is no solution.

8 0

2 years ago

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In the parallelogram shown in the picture solve for Z

deff fn [24]

In a parallelogram, opposite angles are congruent.

Since angles z and 124° are opposite angles in the parallelogram, they are congruent angles.

Therefore we have:

$z=124°$

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4 months ago

Please answer these 5 questions ill give brainliest and give more points after you answer

givi [52]

Answer:

go to the skating rink

Step-by-step explanation:

if multiply 5x 7 you get 35

If you add 35+15 you get 50 which is the amount of money you have. So if you chose the bowling ally you could bring 7 friends

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1/2x + 3y=4 for x when x = 6

Kipish [7]

Wouldn't it be y=1/3?

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