Answer:
c.
$978.96
Step-by-step explanation:
Answer:
15.9973389992
Step-by-step explanation:
Simplify the square roots and use exact decimals
(7 + 2.2360679775) Add inside the parentheses
1.73205080757 (9.2360679775) Multiply
15.9973389992
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Answer:
p is 8
Step-by-step explanation:
4 - 20
then 2 divided by 16
then you get 8
Answer:
it lies between 8 hours and 12 hours in a week
Step-by-step explanation:
Since in the question it is mentioned that the distribution consist of uni-modal, symmetric and bell shaped so here the empirical formual to be used for the mean and the standard deviation
Also the 68% would be fall within one standard deviation above and below the mean
Now
1 standard deviation below the mean is
= 10 - 2
= 8 hours
And, above the mean is
= 10 + 2
= 12 hours
Hence, it lies between 8 hours and 12 hours in a week
The formula for figuring the monthly payments on such a loan is
... A = P(r/12)/(1 -(1 +r/12)^(-12t))
where r is the annual interest rate (.065), P is the principal amount (we want to find), t is the number of years (30), and A is the monthly payment.
Filling in the given values, we have
... 821.69 = P(.065/12)/(1 - (1 +.065/12)^(-12*30)) = 0.00632068·P
Then the principal amount is
... P = 821.69/0.00632068 = 130,000.25
The most appropriate choice is ...
... 4. $130,000