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Alex73 [517]
3 years ago
15

Brad is a distance runner who wants to design the most effective workout

Mathematics
1 answer:
dimulka [17.4K]3 years ago
6 0

Answer:

Step-by-step explanation:

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4. The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is:
jolli1 [7]
<h3><em><u>given</u></em><em><u>;</u></em></h3>

<em><u>5,870,000,000,000 miles.</u></em>

<h3><em><u>to</u></em><em><u> </u></em><em><u>find</u></em><em><u>:</u></em></h3>

<em><u>The distance light travels in 100 years</u></em><em><u>.</u></em>

<h3><em><u>solution</u></em><em><u>:</u></em></h3>

<em><u>The distance of the light travels in 100 years is:</u></em>

<em><u>5,870,000,000,000 × 100 miles.</u></em>

<em><u>= 587,000,000,000,000 miles</u></em>

<em><u>= 587 × 10</u></em><em><u>^</u></em><em><u>12 miles.</u></em>

<em><u>answer</u></em><em><u>=</u></em><em><u> </u></em><em><u>option</u></em><em><u> </u></em><em><u>d</u></em>

7 0
2 years ago
A STUDENT'S NOTEBOOK CONTAINS 78 SHEETS OF PAPER. ONE-FOURTH OF THE
frutty [35]

Answer: I believe the Awnser is 18.75

Step-by-step explanation:all you have to do is divide 78 and 1/4

6 0
3 years ago
:( help me, please ):
vladimir2022 [97]

Answer:

6,18

2,6

4,12

Step-by-step explanation:

all these numbers are equivalent if you divide the first number by the second ones.

6 0
3 years ago
The chief chemist for a major oil and gasoline production company claims that the regular unleaded gasoline produced by the comp
Svetradugi [14.3K]

Answer:

The probability of finding an average in excess of 4.3 ounces of this ingredient from 100 randomly inspected 1-gallon samples of regular unleaded gasoline = P(x > 4.3) = 0.00621

Step-by-step explanation:

This is a normal distribution problem

The mean of the sample = The population mean

μₓ = μ = 4 ounces

But the standard deviation of the sample is related to the standard deviation of the population through the relation

σₓ = σ/√n

where n = Sample size = 100

σₓ = 1.2/√100

σₓ = 0.12

The probability of finding an average in excess of 4.3 ounces of this ingredient from 100 randomly inspected 1-gallon samples of regular unleaded gasoline = P(x > 4.3)

To do this, we first normalize/standardize the 4.3 ounces

The standardized score for any value is the value minus the mean then divided by the standard deviation.

z = (x - μ)/σ = (4.3 - 4)/0.12 = 2.5

To determine the probability of finding an average in excess of 4.3 ounces of this ingredient from 100 randomly inspected 1-gallon samples of regular unleaded gasoline = P(x > 4.3) = P(z > 2.5)

We'll use data from the normal probability table for these probabilities

P(x > 4.3) = P(z > 2.5) = 1 - P(z ≤ 2.5) = 1 - 0.99379 = 0.00621

5 0
3 years ago
4.) A store is having a sale in which all items are marked 30% off.
bezimeni [28]

Answer:

0.70p

Step-by-step explanation:

"30% off" means paying only 70% of the original sales price (subtracting 30% from 100% yields 70%).  Next, find the decimal equivalent of 70%:

It is 0.70.  Finally, multiply the price p by 0.70:  0.70p (Answer b)

8 0
3 years ago
Read 2 more answers
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