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Stella [2.4K]
3 years ago
6

Which measurement is the best estimate for the thickness of a phone book?

Mathematics
2 answers:
vekshin13 years ago
7 0

Answer:

5cm


Step-by-step explanation:


Allushta [10]3 years ago
3 0
5cm
-------------------
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Simplify the expression.
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Length and breadth of a rectangular field is 5 : 3. If the breadth of rectangle is 60m, find the length of the rectangle.
djverab [1.8K]

Answer:

5m

Step-by-step explanation:

Given data

Ratio of length to breadth is 5 : 3

hence in fraction form it is 5/3

the breadth of rectangle is 60m

let the length be x

So

5/3= x/3

cross multiply we have

5*3= 3x

15= 3x

divide both sides by 3

x= 15/3

x= 5m

Hence the length is 5m

3 0
3 years ago
One of the radioactive isotopes used in chemical and medical research is iodine-125, which has a half-life of 61 days. how long
Oksana_A [137]

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Step-by-step explanation:

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1 year ago
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maria [59]
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3 years ago
Danielle estimates that she will spend $250 on new summer clothes. She actually spent $350. What is the percent error? Round to
lesya [120]

Answer:

%28.57 (14285714286)

Step-by-step explanation:

Divid To get decimal (percent right)

250/350= 0.714285714285714

Subtract from 1 to get decimal (Percent wrong)

1.0 - 0.714285714285714= 0.285714285714286

Move over decimal to placements to the right to convert to percent

%28.5714285714286

Round

%28.57

8 0
3 years ago
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