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leonid [27]
3 years ago
14

What is the area of a circle if d =7cm​

Mathematics
1 answer:
RideAnS [48]3 years ago
4 0

Answer:

49π / 4

Step-by-step explanation:

πr²

pi x radius²

radius = d ÷ 2 = 3.5

49π / 4

☺️

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Are 25 milligrams lighter or heavier than 25 centigrams
masya89 [10]

Answer:

<em>25 mg. is lighter than 25 cg.</em>

<em />

Step-by-step explanation:

<em>Well,</em>

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<em>The prefix "milli" means thousandth and the prefix "centi" means hundredth.  So a milligram will be one-tenth of a centigram.</em>

<em />

<em>10 mg. = 1 cg.</em>

<em>25 mg. = 2.5 cg.</em>

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<em>2.5 cg. < 25 cg.</em>

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<em>25 mg. is lighter than 25 cg.</em>

8 0
3 years ago
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miv72 [106K]
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Convert the following radian angle into degrees.
NeTakaya

The degree of the radian angle 0.11 is 6.3^{\circ}

Explanation:

It is given that the radian angle is 0.11

We need to determine the degrees of the radian angle.

To convert the radian into degrees, let us multiply the radian with \left(\frac{180}{\pi}\right)

Thus, we have,

0.11\times\left(\frac{180}{\pi}\right)=\frac{19.8}{\pi}

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Substituting \pi=3.14 in the above expression, we have,

\frac{19.8}{3.14} =6.303...

Rounding off to the nearest tenth, we have,

6.3^{\circ}

Thus, the degree of the radian angle 0.11 is 6.3^{\circ}

4 0
3 years ago
Please help me I need to pass this class
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I got eight...............
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