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marshall27 [118]
3 years ago
8

Write equivalent fractions for 3/7 and 1/3 using 21 as the common denominator

Mathematics
1 answer:
Greeley [361]3 years ago
4 0

Answer:

3/7=9/21

1/3=7/21

Step-by-step explanation:

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-12x - 4

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If three pounds of coffee costs $22.56, what is the cost of 1
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Answer:

$7.52 = 7 dollars and 52 cents.

Step-by-step explanation:

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The first two angles in a triangle are 90 degrees and 50 degrees. What does the third angle have to be?
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3 years ago
Evaluate -x+4 when x = -2
musickatia [10]

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<h2>6</h2>

Step-by-step explanation:

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8 0
4 years ago
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<img src="https://tex.z-dn.net/?f=3%20%20%5Cfrac%7B1%7D%7B2%7D%20%20%2B%202%20%5Cfrac%7B1%7D%7B4%7D%20%20-%201%20%5Cfrac%7B1%7D%
Svetach [21]

Answer:

Step-by-step explanation:

Step 1: Convert into improper fractions

Step 2: Find  least common denominator and find equivalent fractions

Step 3 : Do the required operation

3\frac{1}{2}+2\frac{1}{4}-1\frac{1}{2}=\frac{7}{2}+\frac{9}{4}-\frac{3}{2}\\

Least common denominator of 2 , 4 = 4

   =\frac{7*2}{2*2}+\frac{9}{4}-\frac{3*2}{2*2}\\\\=\frac{14}{4}+\frac{9}{4}-\frac{6}{4}\\\\=\frac{14+9-6}{4}\\\\=\frac{17}{4}\\\\=4\frac{1}{4}

5 0
3 years ago
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