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Sergio039 [100]
3 years ago
10

there are 400 3rd graders,4th,and 5th graders if 187 of the students are 3rd graders and 99 of the students are 4th graders,how

many students are 5th graders
Mathematics
2 answers:
Rina8888 [55]3 years ago
5 0

Answer: 114 5th graders

Step-by-step explanation:

400 total

187 3rd graders

99 4th graders

187 + 99 = 286

400 - 286 = 114

ehidna [41]3 years ago
4 0

Answer:

144

Step-by-step explanation:

brainliest plz it would really help out

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Answer:

1386

Step-by-step explanation:

If you have trouble with that, you can multiply 66 by 20, then 66*1, and add them (break apart the 21.)

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3 years ago
Simplify<br><br>Square root of 50 over 2 times -4 + square root of 121
kobusy [5.1K]

Answer:

  -9

Step-by-step explanation:

  \sqrt{\dfrac{50}{2}}\cdot(-4)+\sqrt{121}=-4\sqrt{25}+11=-4\cdot5+11\\\\=-20+11=\boxed{-9}

Your calculator can help with this.

4 0
2 years ago
A new superhero movie has its first showing and there are 155 people in line to see it. If the ratio of kids to adults waiting t
lidiya [134]

The number of adults waiting to see the new superhero movie is 62.

<h3>How many adults are waiting in line?</h3>

Ratio expresses the relationship between two or more numbers. Ratio is used to compare two or more numbers. It shows the number of times that one value is contained in another value.

Looking at the ratio given in this question, we know that there are 1 1/2 (3 /2) more children than adults on the line to watch the new superhero movie.

Number of adults waiting to see the movie = (ratio that represents adults / sum of ratio) x total number of people wafting in line

Sum of ratios = 2 + 3 = 5

(2/5) x 155 = 62 people

To learn more about ratios, please check: brainly.com/question/25927869

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creativ13 [48]

nice

i think there's supposed to be more to the problem lol

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