3 years ago

On a given day 32 out of 220 people were selected for

1 answer:

7 0

Answer:74

Step-by-step explanation: first you need to find the ratio so divide 220 by 32 to get 6.875 then didvide 510 by that same number and you will get 74. 18181818 but 74 because you can’t have a fraction of a person

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tigry1 [53]

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3 years ago

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Is algebra.

gulaghasi [49]

Answer:

2(x - 9.46)(x + 2.54)

Step-by-step explanation:

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3 years ago

Estimate then record the product 95×8

kap26 [50]

Estimate 95 to 90 and 8 to 10
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3 years ago

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Can someone help me please

Fofino [41]

Answer: Least to greatest: 6, 4+2n, 12.5, 4n

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3 years ago

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Jane works twice as fast as her daughter Anna. If it takes 15 minutes to clean the kitchen together, how long would it take Anna

Sonbull [250]

Here, Twice fast means, she takes half time in doing same amount of work.
Let, Anna takes = 2t & Jane takes = t

It would be: 1/t + 1/2t = 1/15
2t + t / 2t² = 1/15
15(3t) = 2t²
2t² = 45t
Divide both sides by t,
2t = 45
t = 45/2
t = 22.5
& 2t = 22.5(2) = 45

In short, Anna would take 45 minutes

Hope this helps!

7 0

3 years ago