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sergij07 [2.7K]
3 years ago
5

Which expression equals −(9x + 8) − 2(x − 5)?

Mathematics
2 answers:
Svetllana [295]3 years ago
8 0

Answer:

-11x +2

Step-by-step explanation:

−(9x + 8) − 2(x − 5)=

-9x -8 -2x +10 =

-11x +2

Savatey [412]3 years ago
5 0

Answer:

-2 (3x - 1) or -6x + 2

Step-by-step explanation:

the second one is the simplified one

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Neporo4naja [7]
I THINK this may be the answer not 100% sure tho!

1. Two forces equal and acting in opposite direction result in zero force.

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3 years ago
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Lesechka [4]

composite figure as it consists of two basic figures. That is, a figure is formed by a rectangle and triangle. The area of a composite figure is calculated by dividing the composite figure into basic figures and then using the relevant area formula for each basic figure

Step-by-step

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3 years ago
According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the grocery store. Assume this is t
ahrayia [7]

Answer:

18.67% probability that the sample proportion does not exceed 0.1

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore 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 pvalue, we get the probability that the value of the measure is greater than X.

For the sampling distribution of a sample proportion, we have that \mu = p, \sigma = \sqrt{\frac{p(1-p)}{n}}

In this problem, we have that:

\mu = 0.14, \sigma = \sqrt{\frac{0.14*0.86}{59}} = 0.045

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This is the pvalue of Z when X = 0.1. So

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

Z = \frac{0.1 - 0.14}{0.045}

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5 0
3 years ago
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The area of the square is 20 x 8, which is 160.

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7 0
3 years ago
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Dovator [93]

Step-by-step explanation:

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Option C is the correct answer

3 0
3 years ago
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