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3 years ago

Pls awnser I will give brainliest

Mathematics

1 answer:

Bad White [126]3 years ago

5 0

9514 1404 393

Answer:

C. 22/7

Step-by-step explanation:

You may be aware that 22/7 is a value used to approximate π almost as often as is 3.14.

In case you actually want to carry out the calculations, you have ...

C = πd

π = C/d

π ≈ (60 3/50)/(19 11/100) = (3003/50)/(1911/100) = 6006/1911 = 22/7

π ≈ 77/(24 1/2) = 77/(49/2) = 22/7

π ≈ (86 9/10)/(27 13/20) = (869/10)/(553/20) = 1738/553 = 22/7

π ≈ 99/(31 1/2) = 99/(63/2) = 22/7

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3 years ago

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Last time, one out of every 4 students in our class was absent. This time, after Jen came back, only one out of every 5 students

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Answer: There are 20 students and 4 students are not here today.

Step-by-step explanation:

If the number of students = 4

Let the number of students be 'x'.

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If the number of students = 5

Fraction of students absent = $\dfrac{x}{5}$

And Jen came back,

So, the fraction of student absent is also written as

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According to question, it becomes,

$\dfrac{x}{5}=\dfrac{x}{4}-1\\\\\dfrac{x}{5}=\dfrac{x-4}{4}\\\\4x=5(x-4)\\\\4x=5x-20\\\\4x-5x=-20\\\\-x=-20\\\\x=20$

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3 years ago

2 PART QUESTION!!

Llana [10]

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3 years ago

A furniture store bought a couch for $425 and marked the price up by 70%. Angela bought the couch with a 6% tax. How much did An

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Answer:Angela paid 679,05 for the couch

Step-by-step explanation:

425*70/100=29.750

29.750/100= 297,5

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