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Levart [38]
2 years ago
10

HELPPPPPPPPPPPPPpppp

Mathematics
1 answer:
Dafna1 [17]2 years ago
3 0

8.722 / (-3.56)

Expand \frac{8.722}{-3.56} by multiplying both numerator and denominator by 1000.

\frac{8722}{-3560}

Reduce the fraction \frac{8722}{-3560} to the lowest terms by extracting and cancelling out 178.

-\frac  {49}{20} = -2.45

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If 1/3 of 33 bakers can make 89 pretzels in 2 1/2 hours, then how many pretzels can 5 3/4 bakers make in 1 1/2 hours? Explain yo
kirza4 [7]

Answer:

Step-by-step explanation:

11 bakers makes 89 pretzels in 2.5 hours

11 bakers makes 35.6 pretzels in 1 hour

1 baker makes 3.23636 pretzels in 1 hour

so,  5.75 bakers in 1.5 hours  at 3/23636 pretzels per hour will make....

5.75* 1.5 * 3.23636 = 27.9136 pretzels

4 0
3 years ago
Select me correct answer.
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Sandra used partial products to find the product of 438 × 17 by multiplying 438 by 1 and 438 by 7 to get 3,066. Find the product
boyakko [2]

Let us determine the product of 438 and 17 by partial products.

Consider 438 = 400+30+8

and 17 = 10+7

So, 438 \times 17 = (400+30+8) \times (10+7)

438 \times 17 = (400\times 10)+(30 \times 10)+(8 \times 10) +(400 \times 7)+(30 \times 7)+(8 \times 7)

= 438 \times 17 = (4000+300+80+2800+210+56)

= 7446

Therefore, the product of 438 and 17 is 7446.

No, Sandra's answer is not correct.

Because she should have expressed 17 as (10+7), then if she multiplied (438 by 10) and (438 by 7). And, then added the results.Then her answer would be correct.

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Step-by-step explanation:

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