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inessss [21]
2 years ago
8

63 first-graders and 21 other students attended a school assembly. What percentage of the

Mathematics
2 answers:
boyakko [2]2 years ago
4 0

Answer:

75%

Step-by-step explanation:

alexira [117]2 years ago
3 0

Answer:

75%

Step-by-step explanation:

First let's start by finding the total number of students at the assembly:

63+21=84

Then we find the percentage of the students that were first-graders.

63/84=9/12=3/4=75/100=75%

As further explanation to how this works:

We take the number of first graders over the total number of students so we can find the percentage. Then we simplify it down to 3/4. Since percentages are out of 100 we can change the fraction so it's something out of 100. We multiply the numerator and denominator by 25 (since 100/4=25) and we get 75/100 which is 75%

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Answer:

Breaking up the multiplicand 8 into (5+3) allows us to apply the associative property of multiplication.  See below.

Step-by-step explanation:

5*7 = 35.  We want the product 8*7.  Note that 8 = 5+3.  Thus, 8*7=(5+3)(7) = 35 + 21, or 56.

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3 years ago
Write an expression equivalent to 5x squared-15x
ExtremeBDS [4]
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3 years ago
I need help ASAP whit this question
sweet [91]

Answer:

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Step-by-step explanation:

The original box must be 1 by 1 by 1.

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2 years ago
Salma and coron broomall have reached an agreed upon price of $197,000. They plan to make a 30 percent down payment and finance
Sladkaya [172]

Answer:

1. The monthly payment is $689.5

2. The total amount to be paid is

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Step-by-step explanation:

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3 years ago
Jack has two more than half as many cups as
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