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ira [324]
2 years ago
9

Please help Worth 15 points :)

Mathematics
1 answer:
Oliga [24]2 years ago
4 0

Answer:

1. 8 2/3

2. 2 4/5

Step-by-step explanation:

1: Multiple across

First, change into improper fractions

8/3 and 13/4

8 * 13 = 104

3 * 4 = 12

104/12

8 8/12

Divide each side by 4

8 2/3

2: Keep, change. flip

Keep the first fraction. Change the sign. Flip the next fraction is how you divide fractions. First, put them into improper fractions.

5 * 9 + 4 = 49/5

2 * 3 + 1 = 7/2

49/5 (divided by) 7/2

49/5 * 2/7 = 98/35

2 28/35

Divide both the 28 and 35 by 7

2 4/5

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Answer:

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Step-by-step explanation:

The numerator in the first fraction is closest to  

10, so the fraction is nearest to  1.

The numerator in the second fraction is closest to 3, so the fraction is nearest to one-half.

The value of the expression can be estimated as 1 +  one-half =  1 and one-half.

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2 years ago
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Step-by-step explanation:

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4 0
3 years ago
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Monica [59]

Answer:

a = -4/9

Step-by-step explanation:

(9a + 4) = 0

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Divide each side by 9

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