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marusya05 [52]
3 years ago
8

What is 2 to the power of 2 multiply 5​

Mathematics
1 answer:
solniwko [45]3 years ago
8 0
Answer: 20

1) simplify 2^2 to 4

4*5

2) simplify

20
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5 and 12 should be the answer
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Find the opposite of 1/3 and of -7/12
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Opposite number is the same number with the opposite sign:

So the opposite of \frac{1}{3} is -\frac{1}{3}, since the original number is positive

opposite of - \frac{7}{12} is \frac{7}{12}, since the original number is negative

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kvasek [131]

Answer:

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n = (1.645*0.80/0.25)^2 = 27.7 = 28

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(μ - E, μ + E)

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E = 0.80*1.645/√8 = 0.47

(126.5, 127.5)

This means that the true mean is going to be contained in this interval 90% of the time. This is why it doesn't seem possible that the population mean is exactly 128.

7 0
3 years ago
What is the area of the triangle ?
bezimeni [28]

from the question, (-2,2) and (1,2) have the same y value so you can use that as your base and easily find the perpendicular height using the y axis since it's parallel to the x axis.

the third point, (0,-6), to the base is your height

use the sum of the positive of the y values to find your height (because height can't be negative): 6+2 = 8

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Answer:

~48$

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0.0188×211=3.9

12 cause of 9am to pm

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3 years ago
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