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VARVARA [1.3K]
3 years ago
14

A fabric store has 80 3/8 yards of a particular fabric. About how many pairs of curtains could be made from this fabric if each

pair requires 4 1/8 yards of fabric? But My Answers are 20,25,15,and 30 Please Help Me?
Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0
20 because 19 16/33 is the exact answer. Since they ask about how much that can be rounded up to 20
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HELP ASAP ITS SO HARD! Kelsey did the following division problem. Her teacher says that the quotient she found is wrong. −2 5/6
SpyIntel [72]

Part A

Her steps were

-2 \frac{5}{6} \div 1 \frac{1}{3}\\\\-\frac{17}{6} \div \frac{4}{3}\\\\-\frac{6}{17} \times \frac{3}{4}\\\\-\frac{6\times 3}{17\times4}\\\\-\frac{18}{68}\\\\-\frac{9}{34}\\\\

Kelsey made a mistake on line 3. Note how the 17/6 flips to 6/17. This is not correct. You keep the first fraction the same, but you do flip the second fraction. This only applies when you divide two fractions.

The third step should look like -\frac{17}{6}\times \frac{3}{4}

=======================================================

Part B

Here's what she should have written

-2 \frac{5}{6} \div 1 \frac{1}{3}\\\\-\frac{17}{6} \div \frac{4}{3}\\\\-\frac{17}{6} \times \frac{3}{4}\\\\-\frac{17\times 3}{6\times 4}\\\\-\frac{51}{24}\\\\-\frac{17}{8}\\\\

If you want to convert that improper fraction to a mixed number, then you could do something like this

-\frac{17}{8} = -\frac{16+1}{8}\\\\-\frac{17}{8} = -\frac{16}{8}-\frac{1}{8}\\\\-\frac{17}{8} = -2 \frac{1}{8}\\\\

Or you could divide 17 over 8 using long division to get 2 remainder 1. The 2 is the quotient that goes to the left of the 1/8. The remainder of 1 is the numerator of 1/8.

4 0
3 years ago
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The sum of 4x² + x - 8 and x² + 9 can be expressed as​
kotykmax [81]

Answer:

5x^2+x+1

Step-by-step explanation:

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Helppp!!!!!! :(((((((((((((((((((((((((((((
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Answer:

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Here, is the answer of comparison

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The equation of the line with slope −4 that goes through the point (8,−3)
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Answer:

y = -4x + 29

Step-by-step explanation:

-3 = -4(8) + b

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29=b

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If triangle abc~triangle rpq ar(triangle abc)/ar rpq is equal to
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