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irina1246 [14]
3 years ago
10

after completing a fraction division problem Claire use multiplication to check her answer division:7½ ÷ 1½ = 5 check: 5 × 1½ =

5½​
Mathematics
2 answers:
nikdorinn [45]3 years ago
6 0

Answer:

15/2 / 3/2= 15/2 * 2/3= 30/6= 5

5/1 * 3/2= 15/2= 6 3/2= 7 1/2

Step-by-step explanation:

Claire should have made the fractions into improper fraction so she could get the check part right.

Cerrena [4.2K]3 years ago
5 0
Claire did the check wrong. She should’ve multiplied 5 by 3/2.

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4 0
3 years ago
Need some help with this question in the image<br><br>Cheers​
iren [92.7K]

Step-by-step explanation:

a) 24.7×52.3=1291.81

On rounding off to 3 significant digits we get

1290

b)

\sqrt{ {42}^{2} -  {28}^{2}  }

\sqrt{1764 -784 }  =  \sqrt{980}

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c)

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5 0
1 year ago
2. Simplify ((–3)2)3
Nat2105 [25]

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((-3)2)3

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Then, you multiply -6 and 3 which equals  -18

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6 0
3 years ago
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