MEDAL AND FAN!!!!
A house cost $120,000 when it was purchased. The value of the house increases by 10% each year. Find the rate of growth each month and select the correct answer below.
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OpenStudy (anonymous):
Answer choices
0.797%
0.00797%
0.833%
0.00833%
OpenStudy (itsmichelle29):
D!!!
OpenStudy (itsmichelle29):
LOL its the right answer trust me
OpenStudy (itsmichelle29):
you take
0.10 and divide by 12
to get you answer D.
OpenStudy (anonymous):
thanks
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OpenStudy (anonymous):
Solve 5^(2x) = 7^(x−1)
OpenStudy (itsmichelle29):
x=−1.528643
OpenStudy (anonymous):
@fugazi go to ur question
OpenStudy (anonymous):
that is wrong
OpenStudy (itsmichelle29):
HOw
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OpenStudy (anonymous):
i got it wrong
OpenStudy (anonymous):
try C.
OpenStudy (anonymous):
that is wrong too
OpenStudy (anonymous):
i think it is B
OpenStudy (anonymous):
yeah b my bad
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OpenStudy (anonymous):
the correct answer is B
OpenStudy (anonymous):
You decide to put $100 in a savings account to save for a $3,000 down payment on a new car. If the account has an interest rate of 2% per year and is compounded monthly, how long does it take you to earn $3,000 without depositing any additional funds
OpenStudy (anonymous):
is there any answer choices?
OpenStudy (anonymous):
answer choices
170.202
14.3129
171.755
168.354
OpenStudy (anonymous):
i know c and b is wrong
i think it is d
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OpenStudy (anonymous):
well to check yourself you can use the formula
FV = PV*(1+r/n)^(n*t)
the variables are
FV = future value
PV = present value
r = interest rate
n = compounding frequency
t = time in years
You will plug in the following
FV = 3000 is the amount you want
PV = 100 is the amount you have
r = 0.02
n = 12
t = unknown. You are solving for this
OpenStudy (anonymous):
72000
OpenStudy (anonymous):
just plug in the choices for x in 100(1.02)^x
OpenStudy (anonymous):
till u get 3000
OpenStudy (anonymous):
i think its c
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OpenStudy (anonymous):
me too
OpenStudy (anonymous):
A motorcycle cost $12,000 when it was purchased. The value of a motorcycle decreases by 6% each year. Find the rate of decay each month and select the correct answer below.
OpenStudy (anonymous):
i got -0.005% is that an answer choice?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
c was wrong a couple of comments ago
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