Answer:
multiply 72 times 9
Step-by-step explanation: 648
Answer:
B
Step-by-step explanation:
so it is equal to an irrational number.
2 is rational, and
is irrational, because it is equal to 
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The answer is B because they can’t interest but perpendicular can
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Equation: 
The simplified answer: -0.75
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Answer : The duration of the loan is, 6 months
Step-by-step explanation :
First we have to determine the discounted money.
Discounted money = $850 - $800 = $50
Thus, interest = $50
Now we have to determine the time of loan.
Formula used :

where,
P = principle
R = interest rate
T = time
S.I = simple interest
Now put all the given values in the above formula, we get:
For 1 year : 
For 12 months : 

Thus, the duration of the loan is, 6 months