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3 years ago

Select all expressions that are equivalent to 5% of 200.

1 answer:

8 0

A. 1/20 x 200

D.10

To figure out what 5% of 200 is, you would multiply 200 by .05.

To figure out if 1/20 of 200 is 10, simply divide 200 by 20.

Hope that helps!

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The distance between major cracks in a highway follows an exponential distribution with a mean of four miles. (a) what is the st

Lesechka [4]

For an exponential distribution, the standard deviation is equal to the mean.

(a) the standard deviation is 4 miles.

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3 years ago

Which are the solutions of the quadratic equation? x2 = –5x – 3 –5, 0 StartFraction negative 5 minus StartRoot 13 EndRoot Over 2

boyakko [2]

Given:

The quadratic equation is $x^{2}=-5 x-3$

We need to determine the solutions of the quadratic equation.

Solution:

Let us solve the equation to determine the value of x.

Adding both sides of the equation by 5x and 3, we get;

$x^{2}+5 x+3=0$

The solution of the equation can be determined using quadratic formula.

Thus, we get;

$x=\frac{-5 \pm \sqrt{5^{2}-4 \cdot 1 \cdot 3}}{2 \cdot 1}$

$x=\frac{-5 \pm \sqrt{25-12}}{2 }$

$x=\frac{-5 \pm \sqrt{13}}{2 }$

Thus, the two roots of the equation are $x=\frac{-5 + \sqrt{13}}{2 }$ and $x=\frac{-5- \sqrt{13}}{2 }$

Hence, the solutions of the equation are $x=\frac{-5 + \sqrt{13}}{2 }$ and $x=\frac{-5- \sqrt{13}}{2 }$

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3 years ago

Read 2 more answers

Solve 34x+14y=5 for y.

Korvikt [17]

This is how you solve it, and here is the answer!

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3 years ago

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Solve for x. 3(x+3) = -18 . A. x= -9 B.x= -7 c. x=-5 D. X=-3

slavikrds [6]

It is A x= -9 I just did the assignment so yes, this means it is -9 I hope m answer helps you out.

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3 years ago

Last week, you collected 20 pounds of cans for recycling. this week, you collect 25 pounds of cans for recycling. what is the pe

andrezito [222]

Percent of increase = delta change/total first week x100

delta change = 25- 20 = 5

percent increase = 5/20 x 100 = 100/4 = 25 percent

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4 years ago