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Trava [24]
2 years ago
15

WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
MArishka [77]2 years ago
8 0

Answer is From all those aforementioned, the true statement is: Thanh’s grade is 2.5 standard deviations below the mean of the test grades.

explanation

The z scores are standard deviations. If, for example, a tool returns a z score of +2.5, it means that the result is a standard deviation of 2.5. Very high or very low (negative) z scores associated

with very low p values are at the ends of the normal distribution.

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If f and g are functions, then (fog)(x) is always equal to (gof)(x)<br><br> true or false
valentina_108 [34]

Answer:

False

Step-by-step explanation:

Here is a counter example:

● f(x) = x^2

● g(x) = 3x

● (f○g)(x) = (3x)^2 = 9x^2 (1)

● (g○f)(x) = 3(x^2) = 3x^2 (2)

We can see that (1) and (2) aren't equal to each others.

4 0
3 years ago
I need this done in 15 mins pls help
Elza [17]

Answer:  35, 31, 25, 18

Step-by-step explanation:

8 0
2 years ago
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1. Mark is drawing the outside lines on
storchak [24]

232 ft.

Add each side twice:

74 + 74 + 42 + 42

or

(74 x 2) + (42 x 2)

5 0
3 years ago
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Write this number in standard form 8×1+5×0.1+0+0.01+6×0.001
Fudgin [204]

Answer:

eight and five sixteen hundredths

Step-by-step explanation:

1) Solve the equation by using PEMDAS (solve in this order:: parenthesis, exponents, multiplication, division, addition, and then subtraction)

2) 8.516

5 0
3 years ago
Martin uses 5/8 of a gallon of paint to cover 4/5 of a wall. What is the unit rate at which Martin paints in walls per gallon
WITCHER [35]

Divide 4/5 by 5/8 since that would tell you how many walls he can paint in an hour.

4/5 walls÷5/8 gallons=1.28walls/gallon.

8 0
2 years ago
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