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Rzqust [24]
3 years ago
13

Please correct my work and show your work if I MESSED up

Mathematics
1 answer:
sertanlavr [38]3 years ago
4 0

If the first line says

\sqrt[3]{4x^3}\cdot\sqrt[3]{2x^4}

we should first write this as one cube root:

\sqrt[3]{4x^3\cdot2x^4}=\sqrt[3]{8x^7}

Then for any factor under the cube root, we extract any 3rd powers we can. Since 8=2^3 and x^7=x^6\cdot x=(x^2)^3\cdot x, we have

\sqrt[3]{8x^7}=\sqrt[3]{2^3(x^2)^3x}=\sqrt[3]{(2x^2)^3x}=\sqrt[3]{(2x^2)^3}\cdot\sqrt[3]x=2x^2\cdot\sqrt[3]x

Then [1] = 2x^2 and [2] = x.

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Answer:

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Step-by-step explanation:

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3 years ago
I don't understand this. Please explain the answer. I have a final exam coming up.
monitta
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Am I right ? <br> [[ PLEASE HELP IF I"M NOT CORRECT. EXPLAIN, SHOW DETAILS, ETC. ]]
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Answer:

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3 years ago
Charlie cannot remember how much he financed to buy his car. He does remember that his monthly payment is $200. His add-on inter
Mazyrski [523]
First find the total payments
Total paid
200×30=6,000 (this is the future value)

Second use the formula of the future value of annuity ordinary to find the monthly payment.
The formula is
Fv=pmt [(1+r/k)^(n)-1)÷(r/k)]
We need to solve for pmt
PMT=Fv÷[(1+r/k)^(n)-1)÷(r/k)]
PMT monthly payment?
Fv future value 6000
R interest rate 0.09
K compounded monthly 12
N=kt=12×(30months/12months)=30
PMT=6000÷(((1+0.09÷12)^(30)
−1)÷(0.09÷12))
=179.09 (this is the monthly payment)

Now use the formula of the present value of annuity ordinary to find the amount of his loan.
The formula is
Pv=pmt [(1-(1+r/k)^(-n))÷(r/k)]
Pv present value or the amount of his loan?
PMT monthly payment 179.09
R interest rate 0.09
N 30
K compounded monthly 12
Pv=179.09×((1−(1+0.09÷12)^(
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=4,795.15

The answer is 4795.15
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blsea [12.9K]
Well it would actually be 7.2 inches per each piece
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3 years ago
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