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murzikaleks [220]
3 years ago
5

A group of 225 student needs to be arranged in a square formation for a halftime performance show

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
6 0
56 students for each row
Ainat [17]3 years ago
5 0

Answer:

15 students should be lined up in each row.

Step-by-step explanation:

A group of 225 student needs to be arranged in a square formation.

This means same number of students will sit in each row as in each column.

To find this we will take the square root of 225.

There will be = \sqrt{225}=15 students in each rows and columns.

Therefore, 15 students should be lined up in each row.

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Factor 1/8 out of 1/8x-49/8​
svetoff [14.1K]

Answer:

1/8(x - 49)

Step-by-step explanation:

When we factor out something, we are basically finding common factors from multiple terms to take out. Example:

ab + ac; factored out: a(b + c)

If we want to factor out 1/8 from 1/8x - 49/8, we simply divide the two terms by 1/8.

\frac{1/8}{1/8x} The 1/8 cancel out giving us x so:

1/8(x - __)

The next term,

\frac{49/8}{1/8}

When two fractions divide, you flip the bottom one and multiply them both,

\frac{49}{8} *\frac{8}{1}

giving us 49.

The answer is: 1/8(x - 49)

5 0
3 years ago
Solve and graph each Inequality.<br><br> l2c-5l&lt;9
EastWind [94]
Hello this should be your graph here

3 0
3 years ago
It costs $2.80 to make a sandwich at the local deli shop. To make a profit, the deli sells it at a price that is 170% of the cos
Svetlanka [38]

Answer:

Sandwich sells for  $4.76  .

Step-by-step explanation:

As given

It costs $2.80 to make a sandwich at the local deli shop.

To make a profit, the deli sells it at a price that is 170% of the cost.

170% is written in the decimal form

= \frac{170}{100}

= 1.7

Thus

Sandwich selling cost = 1.7 × Cost of making

Put all the values in the above

Sandwich selling cost = 1.7 × $ 2.80

                                    = $4.76

Therefore the Sandwich sells for  $4.76  .

7 0
3 years ago
Read 2 more answers
Jessie recently drove to visit her parents who live 756 miles away. On her way there her average speed was 21 miles per hour fas
mixer [17]

Answer:

the answer is 456 miles per hour

4 0
2 years ago
Washington (CNN) About three-quarters of Americans (77%) approve of President Donald Trump's decision to meet with North Korean
snow_tiger [21]

Answer:

b. The margin of error would decrease.

Step-by-step explanation:

Margin of error of a confidence interval:

The margin of error of a confidence interval has the following format:

M = z\frac{\sigma}{\sqrt{n}}

In which z is related to the confidence level, \sigma is the standard deviation of the population and n is the size of the sample.

This means that the margin of error is inversely proportional to the size of the sample, which means that if the sample size increases, the margin of error decreases.

In this question, the sample size is increased, leading to a smaller margin of error. So the correct answer is given by option b.

8 0
3 years ago
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