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pantera1 [17]
3 years ago
11

Which of the following diagrams correctly displays a + b =c , using the parallelogram method?

Mathematics
2 answers:
Vitek1552 [10]3 years ago
8 0

Answer:

it's a

Step-by-step explanation:

Andrej [43]3 years ago
7 0

Answer:

The answer is A!

Step-by-step explanation:

Taking the test on E2020, its confirmed correct!

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Hello from Hello from MrBillDoesMath!

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Read 2 more answers
Find how many years it would take for an investment of $3700 to grow to $6000 at an annual interest rate of 6.2% compounded semi
lorasvet [3.4K]

Answer:

  7 years 11 months

Step-by-step explanation:

The future value formula for the value of a principal P invested at annual rate r compounded n times yearly for t years is ...

  FV = P(1 +r/n)^(nt)

For the given numbers, we want to find t:

  6000 = 3700(1 +.062/2)^(2t)

Dividing by 3700 and taking the logarithm, we get ...

  6000/3700 = 1.031^(2t)

  log(60/37) = 2t·log(1.031)

Dividing by the coefficient of t gives ...

  t = log(60/37)/(2log(1.031)) ≈ 7.92 . . . . . years

It will take about 7 years 11 months for the investment to grow to $6000.

7 0
2 years ago
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