Radius of a circle is increased by 50 %. find the % increase in circumference of the circle?

1 answer:

5 0

The circumference is merely increased by 50%. The formula for a circle (which I assume you know) is 2*pi*r. Work out this value, then multiply it by 1.5. You get the same answer as multiplying 2*pi*(r*1.5). Just fyi (if you didn't know), multiplying something by 1.5 increases it by 50%, multiplying something by 1.12 increases something by 12% etc.

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For the equation -2(x+1) = 8, Caitlin distributes the 2 to get, -2x +2 = 8. Then she subtracts the 2 from both sides to get -2x

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Answer:

No.

Step-by-step explanation:

She wronged in Step 2, -2x + 2 = 8 .

The correct way is :

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( i )

$= > \frac{1}{7} \times x = 1 \\ \\ \\ \\ = > \frac{1}{7} \times 7 \times x = 1 \times 7 \\ \\ \\ \\ = > x = 7$

( ii ) :

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( iii ) :

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( iv ) :

$\frac{5}{7} \times x = 1 \\ \\ \\ \\ = > \frac{5}{7} \times \frac{7}{5} \times x = 1 \times \frac{7}{5} \\ \\ \\ \\ = > x = \frac{7}{5}$

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trapecia [35]

Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

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