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coldgirl [10]
2 years ago
15

Find the area of sector =?

Mathematics
1 answer:
Aleks [24]2 years ago
6 0

Step-by-step explanation:

270°/360° ×π×13²cm

=398.20cm²

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Suppose you invest $200 a month for 7 years into an account earning 9% compounded monthly. After 7 years, you leave the money, w
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Answer:

$172,806.37.

Step-by-step explanation:

Total = [ P(1+r/n)^(nt) ] + [ PMT × (((1 + r/n)^(nt) - 1) / (r/n)) ] * (1 + r/n)

is the formula  for the amount left after the first 7 years where the money is deposited at the beginning of each month and P = initial amount,  PMT = monthly payment, r = rate as a decimal and t = time in years.

Total after the first 7 years

=  [ 200(1+0.09/12)^(7*12) ] + [ 200 × (((1 + 009/12)^(7*12) - 1) / (0/09/12) ] * (1 + 0.09/12)

= 374.64 +  (200 * 0.8732019633) / (0.09/12) * (1 + 0.09/12)

= 374.64 + 23485.386 * 1.0075

= $24.036.17

Total after a further 22 years:-

=  24.036.17(1 + 0.09/12)^(12*22)

=  $172,806.37 (answer).

3 0
3 years ago
How do I solve -5/8 - (-1/8 - 1/2)
lorasvet [3.4K]
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5 0
3 years ago
What is Pythagorean Therom and how is it used?
stealth61 [152]

Answer:

The Pythagorean Theorem in a^2 + b ^2 = c^2

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6 0
3 years ago
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4 years ago
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Step-by-step explanation:

V=4/3πr^3

V=4/3π(3.85)^3

V=4/3π(57.066625)

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V=239.04011982

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8 0
3 years ago
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