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2 years ago

Whats the answer to this question

Mathematics

1 answer:

Liono4ka [1.6K]2 years ago

4 0

Answer:

I believe it would be B.

Step-by-step explanation:

Range: area of variation with real numbers

Also, seeing the quadrant it is in means there are negative numbers. This takes out the possibility of option A.

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What is the sum of -8 and it’s opposite?

musickatia [10]

Answer:

5+-8=0

Step-by-step explanation:

Its really easy, first, it says sum, so that means add it and then it said opposite. The opposite of -8 is 8, so put it all together and its 8+-8=0

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3 years ago

the 7th grade class plans to collect at least 600 pairs of socks for people in need. so far, 135 pairs have been collected. how

polet [3.4K]

Answer:

465 Socks.

Step-by-step explanation:

600 - 135 = 465

7 0

2 years ago

Read 2 more answers

Rachel measured the lengths of a random sample of 100 screws. The mean length was 2.9 inches, and the population standard deviat

MaRussiya [10]

Answer:

z = 10

Step-by-step explanation:

The value of the z-statistic is given by:

$z = \frac{X - \mu}{s}$

In which:

X is the measured value.

$\mu$ is the expected value.

$s = \frac{\sigma}{\sqrt{n}}$ is the standard deviation of the sample. $\sigma$ is the standard deviation of the population.

In this question:

The mean length was 2.9 inches, and the population standard deviation is 0.1 inch.

This means that $\mu = 2.9, \sigma = 0.1$

Random sample of 100 screws.

This means that n = 100.

To see if the batch of screws has a significantly different mean length from 3 inches, what would the value of the z-test statistic be?

3 inches, so $X = 3$

$s = \frac{0.1}{\sqrt{100}} = 0.01$

$z = \frac{X - \mu}{s}$

$z = \frac{3 - 2.9}{0.01}$

$z = 10$

8 0

2 years ago

Let f(x)=1/x and g(x)=x^2-2x What two numbers are not in the domain of f o g?

Brrunno [24]

Answer:

First find f o g (x)

f o g (x) = 1 / x² - 2x

To find the numbers which are not in the domain of f o g equate the denominator to zero

x² - 2x = 0

x(x - 2) = 0

x = 0 and x = 2

The two numbers which are not in the domain of f o g are 0 and 2.

Hope this helps.

4 0

2 years ago

Look for a pattern to find the value<br> of the ? in the diagram below.

Art [367]

Answer:

please add the diagram

3 0

2 years ago