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Andru [333]
2 years ago
8

In jeremiah class 2/5 of the students are boys. What percent of the in jeremiah's class are boys

Mathematics
2 answers:
gogolik [260]2 years ago
7 0
To get the answer, take the fraction and multiply it by 100% to get the percentage!Feel free to clarify if you’re in doubt!

Marina CMI [18]2 years ago
6 0
40% are boys. divide 2 by 5 and then multiply by 100
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Roberto’s cat weighed 6 3/4 pounds last year.Then the cat gained 1 1/2 pounds.How much does the cat weigh now?
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Add the gain and the last weight together
new weight = 6 3/4 + 1 1/2
or we can write it as
new weight = 6 + 3/4 + 1 + 1/2

Separate whole numbers and fraction
new weight = 6 + 3/4 + 1 + 1/2
new weight = 6 + 1 + 3/4 + 1/2

Simplify the whole numbers
new weight = 6 + 1 + 3/4 + 1/2
new weight = 7 + 3/4 + 1/2

Equalize the denominators of the fraction
new weight = 7 + 3/4 + 1/2
new weight = 7 + 3/4 + 2/4
new weight = 7 + 5/4

Because 5/4 is improper fraction, change it to mixed fraction
new weight = 7 + 5/4
new weight = 7 + 1 1/4
new weight = 7 + 1 + 1/4
new weight = 8 + 1/4
new weight = 8 1/4

The cat weights 8 1/4 pounds now
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If f(x)=3x+5 and q(x)=0, show that f(x)+q(x)=f(x).
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Step-by-step explanation:

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f(x)+q(x)

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