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Vilka [71]
3 years ago
11

Jordan flipped a coin 492 times. Which of the following would be a good estimate of the number of times the coin landed on heads

? A.171 B.231 C.346 D.442
Mathematics
2 answers:
Irina-Kira [14]3 years ago
6 0
I'd say B. but that's only because I divided the number of times he flipped the coin by the number of sides it has, 2, and came up with 246. The closest number on here to that is 231 or B. I hope I helped.
Semmy [17]3 years ago
6 0
2 sides to a coin
1/2 of them is heads
therefor 1/2 of total is heads
492 times 1/2=246

the closest one is B

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If 12,025 was invested at 3.25% compounded monthly 3 years, how much interest will be earned
wariber [46]

Answer:

$1,229.75

Step-by-step explanation:

Lets use the compound interest formula provided to solve this:

A=P(1+\frac{r}{n} )^{nt}

<em>P = initial balance</em>

<em>r = interest rate (decimal)</em>

<em>n = number of times compounded annually</em>

<em>t = time</em>

<em />

First, change 3.25% into a decimal:

3.25% -> \frac{3.25}{100} -> 0.0325

Since the interest is compounded monthly, we will use 12 for n. Lets plug in the values now:

A=12,025(1+\frac{0.0325}{12})^{12(3)}

A=13,254.75

Lastly, subtract A from P to get the interest earned:

13,254.75 - 12,025 = 1,229.75

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2 years ago
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jarptica [38.1K]
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