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2 years ago

How do you turn a fraction into a percentage? Eg:3/4

Mathematics

2 answers:

ch4aika [34]2 years ago

7 0

Answer:

75%

Step-by-step explanation:

First, you need to transfer it into decimal, then multiply the decimal by 100 .

34=0.75.

Now multiply 0.75 by 100 to get the percentage.

0.75∗100=75.

Mademuasel [1]2 years ago

3 0

Answer:

75%

Step-by-step explanation:

ok whenever you want to turn a fraction into a percentage u always calculate the fraction. then once u get ur number or decimal you multiply it by 100

3/4 = 0.75

0.75 x 100 = 75

and there you go :D

~batmans wife dun dun dun.....

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iogann1982 [59]

$a_n=a_1+(n-1)d$ - the formula of n-th term of an arithmetic sequence.

We have:

$a_5=12.4;\ a_9=22.4$

$a_9-a_5=(9-5)d\to4d=22.4-12.4\\\\4d=10\ \ \ \ |:4\\\\d=2.5$

$a_{31}=a_9+(31-9)d\to a_{31}=22.4+22\cdot2.5=77.4$

Answer: C. 77.4

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2 years ago

A car tire with a radius of 16inches is turning at a rate of 120 revolutions per minute. Find the exact linear speed of the tire

anygoal [31]

Answer:

The speed of the tyre of the car is 1002.24 feet per minute .

Step-by-step explanation:

Given as :

The radius of the car wheel = r = 16 inches

Since 12 inches = 1 feet

So, 16 inches = $\frac{1}{12}$ ×16 = 1.33 feet

The number of revolution of the wheel = 120 revolution per minute

Let The speed of the wheel = s feet per minute

The circumference of wheel = 2 × $\pi$ × radius

where $\pi$ = 3.14

or, circumference = 2 × 3.14 × 1.33

Or, Circumference = 8.352 feet

Now , Speed = circumference of wheel × number of revolution

or, Speed = 8.352 feet × 120 revolution per minute

∴ Speed = 1002.24 feet per minute

Hence The speed of the tyre of the car is 1002.24 feet per minute . Answer

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3 years ago

35 points<br> Graph.<br> y= 5/3x–4

Olegator [25]

Answer:

attached picture

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Which of the five measures of center (the mean, the median, the trimmed mean, the weighted mean, and the mode) can be calculated

Sever21 [200]

Quantitative data is information that can be measured, while qualitative data is descriptive data which can not be measured.
All five measures (the mean, the median, the trimmed mean, the weighted mean and the mode) can be calculated for quantitative data only, because they all use values in order to be calculated.

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2 years ago

Weights of American adults are normally distributed with a mean of 180 pounds and a standard deviation of 8 pounds. What is the

ahrayia [7]

Answer:

15.87% probability that a randomly selected individual will be between 185 and 190 pounds

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.

In this problem, we have that:

$\mu = 180, \sigma = 8$