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3 years ago

Does anybody here know the metric system?

Mathematics

2 answers:

Vadim26 [7]3 years ago

8 0

Kilometers 1000m 10³
hectometer 100m 10²
decameter 10m 10¹
standerd 1m 10

REY [17]3 years ago

6 0

I sort of know the metric system

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The answer choice which is the characteristic of dilations comparing both segments is; A segment in the image is proportionally longer or shorter than its corresponding segment in the pre-image

<h3>Which answer choice compares segment E'F' to segment EF?</h3>

By consider the coordinates of the quadrilaterals EFGH and E'F'G'H' as given in the task content image, it follows that the coordinates are as follows;

E(0, 1), F(1, 1), G(2, 0), and H(0, 0)

E'(-1, 2), F'(1, 2), G'(3, 0), and H'(-1, 0)

Upon computation of the length of the segments, it follows that the two segments are in proportions. Hence, the answer choice which is correct is; A segment in the image is proportionally longer or shorter than its corresponding segment in the pre-image.

Remark:

A segment that passes through the center of dilation in the pre-image continues to pass through the center of dilation in the image.
A segment in the image has the same length as its corresponding segment in the pre-image.
A segment that passes through the center of dilation in the pre-image does not pass through the center of dilation in the image.
A segment in the image is proportionally longer or shorter than its corresponding segment in the pre-image.

Read more on length of segments;

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2 years ago

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The answer would be 362 miles

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3 years ago

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 410 gram setting. It is

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Answer:

The decision rule for rejecting the null hypothesis is $t < -1.721$

Step-by-step explanation:

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 410 gram setting. It is believed that the machine is underfilling the bags.

At the null hypothesis, we test if the mean weight of the bag is the desired value of 410, that is:

$H_0: \mu = 410$

At the alternate hypothesis, we test if the bag is underfilled, that is, the mean weight is below the desired value, so:

$H_0: \mu < 410$

Type of test:

As we test if the mean is less than a value, we have a left-tailed test.

We have the standard deviation for the sample, which means that the t-distribution is used.

We have 22 - 1 = 21 degrees of freedom, with a level of significance of 0.05.

Using a calculator, the critical value is $t_c = -1.721$

Determine the decision rule for rejecting the null hypothesis.

We reject the null hypothesis if the test statistic is less than the critical value, so the decision rule for rejecting the null hypothesis is $t < -1.721$

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3 years ago

Wapi simplified an expression. His work is shown below.

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Answer:

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Step-by-step explanation:

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