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astra-53 [7]
3 years ago
15

Which shows the expression below simplified?

Mathematics
1 answer:
salantis [7]3 years ago
7 0

Answer:

D

Step-by-step explanation:

(7 × 10-7) × 0.06

7 × 0.06 × 10^-7

0.42 × 10^-7

4.2 × 10^-8

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zubka84 [21]
You’d add 65+79 to get 144 then subtract that from 180 and get 36 so X would be 36 :) hope this helped!
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Type an equation that can be used to solve for the missing angles. DO NOT SOLVE.
muminat

Answer:

x°+2x°+(x-24)°=180°

Step-by-step explanation:

The sum of of the interior angles of all triangles add up to 180°

Adding x°, 2x°, and (x-24)° <em>will</em> equal 180

Therefore, an equation that can be used to solve for the missing angles is: x°+2x°+(x-24)°=180°

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How do you find the percentage of the tip with price and tip in dollars?
Ad libitum [116K]

Answer:

Your bill is $120.80 .

10% of the total - we have to move the decimal point one space to the left: ...

20% of the total – we need to take the value of 10% and double it: ...

15% of the total – we have to divide the value of 10% by 2 and then add the result to the value of 10%:

Step-by-step explanation:

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3 years ago
A line for tickets to a Broadway show had a mean waiting time of 20 minutes with a standard deviation of 5 minutes.
andrezito [222]

Answer:

5.48% of the people in line waited for more than 28 minutes

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.

Mean waiting time of 20 minutes with a standard deviation of 5 minutes.

This means that \mu = 20, \sigma = 5

What percentage of the people in line waited for more than 28 minutes?

The proportion is 1 subtracted by the p-value of Z when X = 28. So

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

Z = \frac{28 - 20}{5}

Z = 1.6

Z = 1.6 has a p-value of 0.9452.

1 - 0.9452 = 0.0548.

As a percentage:

0.0548*100% = 5.48%

5.48% of the people in line waited for more than 28 minutes

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2 years ago
Please Help: I don't understand this???
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Try and ask my sister.

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