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klio [65]
3 years ago
12

the radius of the circular lensof a magnifying glass is 4 centimeters whatis the area in square centimeters of the glass

Mathematics
1 answer:
anygoal [31]3 years ago
5 0
The area of a circle is pi times radius^2

So if you use 3.14 x 16, it gives you approximately 50.264
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Answer to this math question
gladu [14]

Answer:

4\frac{2}{3}

Step-by-step explanation:

This is a recurring decimal.

Let x = 4.666666...                 ⇒ (1)

  10x = 46.66666...                     ⇒ (2)

Subtract equation (1) from equation (2)

    10x = 46.66666..

   -<u>  x = 4.666666...  </u>

    <u>  9x = 42.0000.....</u>

<u />

9x = 42

  x =  42/9

      = 14/3

       =4\frac{2}{3}

5 0
3 years ago
What is 0.08 10 times as much
RSB [31]
Well...
0.08
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0.80
3 0
3 years ago
Borrow 1 from the whole number to rewrite 8 10/24.
koban [17]

Answer:

A. 7\frac{34}{24}

Step-by-step explanation:

We are given  the expression, 8\frac{10}{24}

On re-writing the expression after borrowing 1, we have,

8\frac{10}{24} = 7(\frac{10}{24}+1)

i.e. 8\frac{10}{24} = 7(\frac{10}{24}+\frac{24}{24})

i.e. 8\frac{10}{24} = 7\frac{34}{24}

Thus, the equivalent expression after borrowing 1 from the given expression is 7\frac{34}{24}.

Hence, option A is correct.

4 0
3 years ago
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John and Pam are paid 38.25 for their work. John worked 1.5 hours and Pam worked 3 hours. They split the money according to the
Nina [5.8K]

John's share of the money is 12.75.

38.25 ÷ 4.5 = 8.5

8.5 · 1.5 = 12.75

7 0
3 years ago
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GalinKa [24]
B is the right answer m=1440d
6 0
3 years ago
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