3 years ago

Starting value 100 increases 5%

Mathematics

1 answer:

Brut [27]3 years ago

3 0

Answer:

105

Explanation:

Adding 5% of 100, to 100 is:

100(0.05) + 100

The extra 100 is added because 100(0.05) only gives you what 5% of 100 is.

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Answer:

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Step-by-step explanation:

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Priya drew a circle whose area is 25 cm. Dan drew a circle whose diameter is 4 times the radius of Priya's circle. How many time

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Answer:

400

Step-by-step explanation:

first work out the radius of priya's circle with the equation a = $\pi r^{2}$

$25 = \pi r^{2}$

$\frac{25}{\pi } = r^{2}$

$r = \sqrt{\frac{25}{\pi } }$

we know the diameter of a circle is 2 times the radius so the diameter of priya's circle is 2x $\sqrt{\frac{25}{\pi } }$

this means that if the diameter of dan's circle is 4 times bigger it must be

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$a= (4 \sqrt{\frac{25}{\pi } })^{2} \pi$

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3 years ago

Find the amount and and compound interest on 20000 compound annually for 3 years the Tate of interest being 5%,10%and12%respecti

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The formula is principal x ( 1+ interest rate)^ number of years

5%:

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10%

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12%

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Answer:

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Step-by-step explanation:

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= 1004.8 in³

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