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2 years ago

Please help!!! :( i will give brainliest answer

Mathematics

1 answer:

Rasek [7]2 years ago

4 0

Answer:

Step-by-step explanation:

a triangles angles have to add up to 180 degrees

p.s.I hope this helps

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3 years ago

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43.43/43

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3 years ago

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2 years ago

If you invest $4000 at 9% interest compounded annually, in how many years will you have $20,000. Give your answer the nearest te

Masteriza [31]

Answer:

18.7 years

Step-by-step explanation:

This is a compound interest problem and the following variables have been given;

Principal = 4000; this is the amount o be invested

APR = 9%; this is the compound interest to be earned

Accumulated amount = 20,000

We are required to determine the duration in years. We apply the compound interest formula;

$A=P(1+r)^{n}$

$20000=4000(1+\frac{9}{100})^{n}\\20000=4000(1.09)^{n}\\5=(1.09)^{n}$

The next step is to introduce natural logarithms in order to determine n;

$ln5=nln(1.09)\\n=\frac{ln5}{ln(1.09)}\\n= 18.675$

The number of years required is thus 18.7 years

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3 years ago

A clock radio phone cost 83.95. Tax is $4.49 for each radio phone how much do 3 clock radio phones cost

zimovet [89]

Step-by-step explanation:

If each clock radio costs $83.95 + taxes ($4.49), each clock radio has the real cost of $88.44

Therefore if you multiply the real cost of the 3 pieces, you'll get the result:

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Answer:

$265.32

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3 years ago