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storchak [24]
3 years ago
6

Ms. Van Tress has 134 students. She sees 38 students before lunch and 96 students after lunch.

Mathematics
1 answer:
liubo4ka [24]3 years ago
3 0

Answer:

<em />\%Percent = 28\%<em> ---- Before Lunch</em>

<em />\%Percent = 72\%<em> --- After Lunch</em>

<em />

Step-by-step explanation:

Given

Total = 134

Before\ Lunch = 38

After\ Lunch = 96

Required

Determine the percentage of students seen in both cases.

This percentage is calculated by dividing the number of students seen by the total number of students. Then multiplied by 100%

i.e

\%Percent = \frac{Seen}{Total} * 100\%

- Before Lunch;

\%Percent = \frac{Before\ Lunch}{Total} * 100\%

\%Percent = \frac{38}{134} * 100\%

\%Percent = \frac{3800\%}{134}

<em />\%Percent = 28\%<em> --- approximated</em>

- After Lunch;

\%Percent = \frac{After\ Lunch}{Total} * 100\%

\%Percent = \frac{96}{134} * 100\%

\%Percent = \frac{9600\%}{134}

\%Percent = 72\% <em>--- approximated</em>

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wel

Answer: 6062

<u>Add Parentheses</u>

(6.2*10)+(6*10^3)

Note: Always Multiply the Parentheses first!

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6.2*10=62

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<u>How is 6×10^3 6000?</u>

Before you multiply the whole equation you first Multiply 10 3 times. This is called an Exponent. In my own words, an exponent is a number that tells you how many times to multiply that number. So if we had 6^2 I will multiply 6×6 2 times. So we multiply 10×10×10 and get 1000. Then we multiply 6×1000 and get 6000.

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Answer:

f. 260 in by 100 in

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Answer:

By the time she achieves her 26 mile goal Andrea will have run 176 miles.

Step-by-step explanation:

Since Andrea runs 4 miles every day, but she wants to increase her distance in order to run a 26 mile marathon and she decides to add 2 miles each day to her distance until she achieves her goal, to determine, if she starts with 6 miles today, how many miles will she have run in total, by the time she achieves her 26 mile goal the following calculation should be performed:

6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24 + 26 = X

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A church rings its bells every 15 minutes, the school rings its bells every 20 minutes and the day care center rings its bells e
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Answer:

As few as just over 345 minutes (23×15) or as many as just under 375 minutes (25×15).

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Or it could be almost as long as 45 minutes (3×15), if Ms. Johnson went into her office just after the bells rang, and then 15 minutes later the bells rang for the first time, and then 15 minutes after that the bells rang for the second time, and now it’s been 15 minutes after that.

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Step-by-step explanation:

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