3 years ago

(1-сos mx)

Mathematics

1 answer:

Maru [420]3 years ago

7 0

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Suppose you decide to put $12,500 in an account earning 9% interest compounded quarterly. How much interest would you earn after

Vesnalui [34]

Step-by-step explanation:

you add 9% to a number by multiplying that number by 1.09.

because adding 9% gives us in the end 109% of the original amount.

anyway, the formula for quarterly compounded interest is

Cq = P [ (1+r)^(4*n) – 1 ]

P is the starting principal amount

r is the interest rate per quarter (= interest rate / 4)

n would be the number of years (= 1 in our case).

so, the interest after 1 year is

12500((1 + 0.09/4)⁴ - 1) = 12500(1.0225⁴ - 1) =

= 12500 × 0.093083319 = $1,163.541485 ≈ $1,163.54

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1 year ago

I need help i'm really stuck

Ivenika [448]

Answer:

Step-by-step explanation:

If the area is 32 and the formula for area of a triangle is base * height / 2, and you have base = 8 and height = x and area = 32, this would be:

8 * x / 2 = 32

Now, solve:

$8x/2=32\\4x=32\\x=8$

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2 years ago

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expeople1 [14]

The answer is forty five.

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Sarah drank 75% of a one-pint carton of milk at lunchtime. How many ounces of milk were left in the carton?

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3 years ago

In geometric progression, the ratio of each number to the preceding one is the same. Which is an example of a geometric progress

devlian [24]

It would be A because this sequence has a factor of 2 between each number

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