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2 years ago

What’s a linear function

Mathematics

1 answer:

BabaBlast [244]2 years ago

8 0

Answer:

Linear functions are those whose graph is a straight line. A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y. a is the constant term or the y intercept. plz mark brainliest

Step-by-step explanation:

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Which statement best describes a graph of paired points that form a proportional relationship?

Akimi4 [234]

It's B) A straight line can be drawn through all the points and the line passes through the point (0,0)

This is because in the problem it says that the points are paired and proportional. For example, say you're given the point (3,6). To make this a proportional relationship, you'd have another point in the third quadrant: (-3,-6). When you draw a line from one of these points to the other, it passes through the origin.

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3 years ago

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A 115-inch is cut into two pieces. One piece is four times the length of the other. Find the lengths of the two pieces.

11111nata11111 [884]

Answer:

Shorter piece: 23 inches

Longer piece: 92 inches.

Step-by-step explanation:

Since the longer piece is four times the length of the other, we multiply 23*4 and we get 92 inches.

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2 years ago

Explain how to fin 4 x 80. show your work

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4x80=320

Work:

4x8 = 32
(4+4+4+4+4+4+4+4)
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2 years ago

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To teach computer programming to employees, many firms use on the job training. A human resources administrator wishes to review

tatiyna

Answer:

The z-score for the trainee is of 2.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

The mean of the test scores is 72 with a standard deviation of 5.

This means that $\mu = 72, \sigma = 5$

Find the z-score for a trainee, given a score of 82.

This is Z when X = 82. So

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{82 - 72}{5}$

$Z = 2$

The z-score for the trainee is of 2.

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2 years ago