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Crank
3 years ago
8

What is x in 26/13=48/x

Mathematics
2 answers:
masya89 [10]3 years ago
7 0
X= 24 because 26/13 is 2 and 48/24 is also 2
nasty-shy [4]3 years ago
4 0

Are they fractions or division signs? I'm willing to help, I'd just like to know what it is first

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(2/7×8/4)+2/3÷(2/6×3/6+1/6)​
Julli [10]

Answer:

Answer attached

Step-by-step explanation:

3 0
3 years ago
64 is what 25% of what
ANEK [815]
64=0.25n
256=n

Final answer is 256
6 0
3 years ago
2(67+8)*3 plz help<br> A. 450<br> B.908<br> C.154<br> D 679
sasho [114]

Answer:

A. 450

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
The heights of adult males in the United States are approximately normally distributed. The mean height is 70 inches (5 feet 10
steposvetlana [31]

Using the normal distribution, it is found that the probability is 0.16.

<h3>Normal Probability Distribution</h3>

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

  • It 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, which is the percentile of X.

In this problem, the mean and the standard deviation are given by, respectively, \mu = 70, \sigma = 3.

The proportion of students between 45 and 67 inches is the p-value of Z when <u>X = 67 subtracted by the p-value of Z when X = 45</u>, hence:

X = 67:

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

Z = \frac{67 - 70}{3}

Z = -1

Z = -1 has a p-value of 0.16.

X = 45:

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

Z = \frac{45 - 70}{3}

Z = -8.3

Z = -8.3 has a p-value of 0.

0.16 - 0 = 0.16

The probability is 0.16.

More can be learned about the normal distribution at brainly.com/question/24663213

3 0
3 years ago
Sergei estimated 149% of 67 by performing the following steps. Which statement is true?
enot [183]

Answer: Last option.

Step-by-step explanation:

In order to estimate the percent "n" of a number"x", you need easy numbers to work with, therefore you can round  "n" and "x" up or down; but it is important to remember that this estimation does not give you an exact value.

You can observe that Sergei's first step was to round 149% and 67 up, getting this result:

=105

To verify if this estimate is less or greater than the actual answer, we can find the actual answer. This is:

\frac{67*149}{100}=99.83

Therefore, we can conclude that<em> the estimate is greater than the actual answer because the percent and the number were both rounded up</em>.

4 0
3 years ago
Read 2 more answers
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