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Juli2301 [7.4K]

2 years ago

14

Do you ever subtract using the z-score? A) yes B) no C) sometimes

1 answer:

gulaghasi [49]2 years ago

4 0

C sometimes, It seems to be completely arbitrary when one must subtract the z-score table value from 1. ... So that's great if you want the left tail of a distribution, but if you want a right tail then you need to calculate the left tail and subtract it from 1 (which is the area of the entire standard normal curve).

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7-8x+4y+18-3x-y simplify

Katyanochek1 [597]

Answer:

-11x +3y + 25

Step-by-step explanation:

7-8x+4y+18-3x-y

= -8x-3x +4y-y +18+7 (putting like terms together)

= -11x +3y + 25 (Adding like terms)

7 0

2 years ago

What is the square root of 96<br><br><br><br><br> Follow my new brainly at: fol

Ugo [173]

Answer:

4√6

Step-by-step explanation:

For right now, I will assume that the "<em>Follow my new brainly at..</em>" part is irrelevant.

Anyways, to find the square root of a number, usually the best way is to find its prime factorization first:

96 : $2^5\cdot \:3$

We can rewrite that as:

$\sqrt{2^4\cdot \:2\cdot \:3}$

Simplify!

$2^{\frac{4}{2}}\sqrt{2\cdot \:3}$

Since $2^{\frac{4}{2}}\sqrt{2\cdot \:3}$ is the same thing as $4\sqrt{6}$ , that is our answer.

Thusly, as seen above, the answer is $\boxed{4\sqrt{6}}$ .

Hope this helps! ((;

3 0

2 years ago

PLSSS HELP! Can someone pls tell me how to do this. y=1/3(x+2)^2, y=x+3

Leokris [45]

Answer:

There you go.

Step-by-step explanation:

Please do tell me if it's wrong.

7 0

3 years ago

Which statement is always true about two congruent polygons?

Oduvanchick [21]

Answer:The number of angles & sides is always the same.

Step-by-step explanation:

8 0

2 years ago

A handy man charges $40 an hour plus the cost of materials. Rosanne received a bill from the handyman for $477 for 8 hour of wor

djverab [1.8K]

Should be something like 40(8)+ ?= 477$

5 0

3 years ago

Read 2 more answers