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Morgarella [4.7K]
3 years ago
10

Louis wants to carpet the rectangular floor. The floor has an area of 507 square feet. The width of the floor is 1/3 it's length

. what is the length of the floor?
Mathematics
1 answer:
Yanka [14]3 years ago
5 0

Width x Length

X = Length

\frac{1}{3} = 507

x^{2} = 1521 ft^{2}

X = 39ft

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Ymorist [56]
.75 Rounded to the nearest thousandth would be 0.750
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Today, the waves are crashing onto the beach every 4.8 seconds. The times from when a person arrives at the shoreline until a cr
kaheart [24]

Answer:

61% of the time a person will wait at least 1.872 seconds before the wave crashes in.

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is given by the following formula.

P(X \leq x) = \frac{x - a}{b-a}

Uniform distribution from 0 to 4.8 seconds.

This means that a = 0, b = 4.8

61% of the time a person will wait at least how long before the wave crashes in?

This is the 100 - 61 = 39% percentile, which is x for which P(X \leq x) = 0.39. So

P(X \leq x) = \frac{x - a}{b-a}

0.39 = \frac{x - 0}{4.8 - 0}

x = 4.8*0.39

x = 1.872

61% of the time a person will wait at least 1.872 seconds before the wave crashes in.

5 0
3 years ago
Grady marks down some $2.49 pens to $1.99 for a week and then marks them back up to $2.49. Find the percent of increase and the
aleksley [76]

The percent decrease is found by using the formula (original price - new price)/(original price). The percent decrease is then (2.49 - 1.99)/2.49 = 0.20 = 20%. A percent increase is found by using the formula (new price - original price)/(original price). The percent increase is then (2.49 - 1.99)/1.99 = 0.25 = 25%. The percents of change are not the same. The percent increase is greater.

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3 years ago
Read 2 more answers
20 POINTS IF YOU SOLVE!
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Question 1: D

Question 2: D

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1. Walter stopped at the grocery store and
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Answer:

$8.48

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Total of Items:

Add up the prices of all the items he bought

soup+oranges+newspaper

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Sales Tax:

Multiply his total by the sales tax rate

7.98*6.25%

Convert 6.25% to a decimal

6.25/100=0.0625

7.98*0.0625=0.49875

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Total With Tax

Add the tax to his total without tax

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Round to the nearest cent, or hundreth

$8.48

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