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My name is Ann [436]
3 years ago
12

Identify the value of r and a1 for each geometric series. 8 + 4 + 2 + 1 + ...

Mathematics
1 answer:
const2013 [10]3 years ago
3 0

Answer:

Step-by-step explanation:

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Evaluate 4a+7b+3a−2b for a =5 and b=−3.
RSB [31]
The answer is 20. I hope this helps.
3 0
3 years ago
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Sanjay borrowed 7,000 at a simple interest rate of 3% per year. After a certain number of years he had paid $840 in interest alt
alexgriva [62]

Answer:

It was 4 years.

Step-by-step explanation:

To solve this problem we need to use the appropriate formula for simple interest, which is shown below:

M = C*r*t

Where M is the amount of interest, C is the initial amount of money, r is the rate of interest and t is the time elapsed in years. Applying the data from the problem we have:

840 =7000*0.03*t

840 = 210*t

210*t = 840

t = 840/210

t = 4

It was 4 years.

7 0
3 years ago
Write 65 and 100 in expanses form
Free_Kalibri [48]
Sixty-six
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4 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!!!!!!!! ASAP PLEASE!!!!!!!!!!!!!!!!!!!!!!!
butalik [34]

Answer:

729

Step-by-step explanation:

I have not done this in some time so the terms may be a bit unconventional, but they work. The key to this is multiplying by -3.

1*(-3) = -3

-3*(-3) = 9

And so on.

1, -3, 9, -27, 81, -243, 729

7 0
2 years ago
If you have a plant and it grows 21.3 centimeters in 1 day what would be the x and y
DochEvi [55]

Answer:

Step-by-step explanation:

Here we want to present growth as a function of time; the growth depends upon the number of days that go by.  So, growth(y) is the dependent variable and time (in days, x) is the independent variable.

7 0
3 years ago
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