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Keith_Richards [23]

3 years ago

8

The students at Isaac's school voted between a bear and a lion as the new school mascot. 47 students voted for the bear and 893

students voted for the lion. What percentage of students voted for the bear?

1 answer:

Law Incorporation [45]3 years ago

6 0

Answer:

I'd you download photo math it will give you the answers right away hope this helps

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What is the sum or difference?<br><br> 19x3 – 13x3

alexdok [17]

Answer:

the difference is 6x³

Step-by-step explanation:

19x3 – 13x3

=6x³

4 0

3 years ago

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The 200 meter race times at a state track meet are normally distributed with a mean of 13.56 seconds and a standard deviation of

BaLLatris [955]

Answer:

A. 0.4880

Step-by-step explanation:

First, find the z-score:

z = (x − μ) / σ

z = (13.5 − 13.56) / 2.24

z = -0.03

Using a z-score table:

P(z < -0.03) = 0.4880

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just olya [345]

Answer:

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Step-by-step explanation:

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How do you graph proportionality?

Allushta [10]

Answer:

Constant of Proportionality Equation

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Step-by-step explanation:

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The sample of eight companies in the aerospace industry, referred to in Exercise 36, was surveyed as to their return on investme

Vera_Pavlovna [14]

Answer:

Sample Variance = 6.008

Sample standard deviation = 2.451

Step-by-step explanation:

We are given the following in the question:

10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, 15.6

Formula:

$\text{Variance} = \displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{110.8}{8} = 13.85$

Sum of squares of differences = 42.06

$s^2 = \dfrac{42.06}{7} = 6.008$

Standard Deviation =

$s = \sqrt{s^2} = \sqrt{6.008} = 2.451$

6 0

3 years ago