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kirill115 [55]
3 years ago
11

(LOTS OF POINTS) SOLVE THIS IMAGINARY NUMBER PROBLEM AND *SHOW WORK* PLEASE!

Mathematics
2 answers:
Helga [31]3 years ago
6 0

Answer:

The answer is 8.

Step-by-step explanation:

Elanso [62]3 years ago
6 0
The answer is 8 because it is
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Select the equation of the line parallel to 2x + 6y = -4 the equation and that passes through the point (3, -3) .
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Answer:

\displaystyle x + 3y = -6

Step-by-step explanation:

Plugging these coordinates into this equation will give you this:

3 - 9 = −6 ☑

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Solve the problem: -10 + +10 =
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It equals zero negative plus positive equals zero
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The temperature was -6°F. It rose so that the temperature was 0°F. What integers represents the change in temperature.
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+6

Step-by-step explanation:

Just do 0 -(-6).

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A movie production company was interested in the relationship between the budget to make a movie and how well that movie was rec
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i think it's C

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2 years ago
The feet of the average adult woman are 24.6 cm long, and foot lengths are normally distributed. If 16% of adult women have feet
nevsk [136]

Answer:

Approximately 16% of adult women have feet longer than 27.2 cm.

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 feet of the average adult woman are 24.6 cm long

This means that \mu = 24.6

16% of adult women have feet that are shorter than 22 cm

This means that when X = 22, Z has a p-value of 0.16, so when X = 22, Z = -1. We use this to find \sigma

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

-1 = \frac{22 - 24.6}{\sigma}

-\sigma = -2.6

\sigma = 2.6

Approximately what percent of adult women have feet longer than 27.2 cm?

The proportion is 1 subtracted by the p-value of Z when X = 27.2. So

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

Z = \frac{27.2 - 24.6}{2.6}

Z = 1

Z = 1 has a p-value of 0.84.

1 - 0.84 = 0.16

0.16*100% = 16%.

Approximately 16% of adult women have feet longer than 27.2 cm.

3 0
2 years ago
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