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Over [174]
3 years ago
11

What place value is this in 8.7438 the under lined number is 7​

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

tenths place

Step-by-step explanation:

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Expand and simplify 5(3x+2)-2(4x-1)
Rama09 [41]

Answer:

15x+10-8x+2

7x+12

Step-by-step explanation:

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Which of the following are in correct order from greatest to least?
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pi/2, 330 degres,5pi/3, 7pi/6, 2pi/3 5pi/3, 7pi/6, 2pi/3, pi/2, 330

this the correct answer hope this helps you !!

3 0
3 years ago
Find the coordinates of the vertices of the triangle after a 270° rotation
Minchanka [31]

Answer:

Step-by-step explanation:

(a). 270° clockwise or 90° counterclockwise:

(x, y) --------> ( - y, x )

(b). 270° counterclockwise or 90° clockwise:

(x, y) ---------> ( y, - x )

8 0
3 years ago
A survey of 35 people was conducted to compare their self-reported height to their actual height. The difference between reporte
Over [174]

Answer:

The test statistic is t = 3.36.

Step-by-step explanation:

You're testing the claim that the mean difference is greater than 0.7.

At the null hypothesis, we test if the mean difference is of 0.7 or less, that is:

H_0: \mu \leq 0.7

At the alternate hypothesis, we test if the mean difference is greater than 0.7, that is:

H_1: \mu > 0.7

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, s is the standard deviation of the sample and n is the size of the sample.

0.7 is tested at the null hypothesis:

This means that \mu = 0.7

A survey of 35 people was conducted to compare their self-reported height to their actual height.

This means that n = 35

From the sample, the mean difference was 0.95, with a standard deviation of 0.44.

This means that X = 0.95, s = 0.44

Calculate the test statistic

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{0.95 - 0.7}{\frac{0.44}{\sqrt{35}}}

t = 3.36

The test statistic is t = 3.36.

3 0
3 years ago
5.3.PS-/<br> Simplify the expression.<br> -<br> -2.8f + 0.8f – 16 - 9
bezimeni [28]
=-2f-25 is your answer
8 0
3 years ago
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