4 years ago

0645 to 0800is how many minutes

1 answer:

4 0

The answer is: " 75 minutes " .
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Note:
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1 hour and 15 minutes = [60 + 15] minutes = 75 minutes .
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B-3a=2 3B- 6a=12 solve algebraicly show steps

lora16 [44]

B - 3A = 2
3B - 6A = 12

(2)B - (6)A =4
3B - 6A = 12

Subtract

-B = -8
B = 8

Plugin 8 for B

8 - 3A = 2
8 = 3A + 2
6 = 3A
2 = A

(Double checking)
3(8) - 6A = 12
-6A = 12-24 = -12
- 6A = -12
Divide by -6
A= 2
It works

A = 2. B = 8. Hope this helps

3 0

3 years ago

At what annual rate of return compounded monthly would your investment grow from $7500 to $10000 in 20 years

harina [27]

Answer:

Using the attached formula:

exp = log (total/principal) / n * years

exp = log (10,000 / 7,500) / 12 * 20

exp = log (1.3333333333) / 240

exp = 0.1249387366 / 240

exp = 0.000520578069166667

rate = (10^exp -1) * n