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andreev551 [17]
3 years ago
11

-x^2 where x = -5 algebra 2

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

-25

Step-by-step explanation:

1) The equation is -(-5)^2

2) When you square a negative number, it will be a positive

3) So in this equation it would be -(25)

4) However, there's another negative sign in front.

5) So the answer therefore is -25

Hope this helps!

Kipish [7]3 years ago
7 0

Step-by-step explanation:

if if you put x equals to -5

it becomes -(-5)^2 which is equal to -25

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The top right answer choice is correct.

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3 years ago
Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a st
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<span>In math notation, we've done this: z = (X - μ) / σ = (940 - 850) / 100 = 0.90 where z is the z-score X is Vivian's score (940) µ is the mean (850) σ is the standard deviation (100) As you may know, in a normal distribution it's expected that about 68% of all observations will fall within 1 standard deviation of the mean, 95% will fall within 2 standard deviations, and 99% will fall within 3 standard deviations. 
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3 years ago
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