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Bond [772]
3 years ago
7

Choose the correct simplification of the expression of 7x2(6x + 3x2 - 4).

Mathematics
2 answers:
Mars2501 [29]3 years ago
8 0
Parenthesis first
=7*2(6x+6-4)
=7*2(12x-4)
=7*2*8x
solve
=14*8x
=112x
jolli1 [7]3 years ago
7 0
-28 x^2 + 42 x^3 + 21 x^4 is your Answer
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Step-by-step explanation: hpoe that helps!!!! :)

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Plese HELP !!!
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-9/8

Step-by-step explanation:

\frac{-2a^{-3}b^2}{a} \\ \\ =-\frac{2b^2}{a^4} \\ \\ =-\frac{2(3)^2}{(-2)^4} \\ \\ =-\frac{18}{16} \\ \\ =-\frac{9}{8}

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How many ft are in 2mi
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10560 ft

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3 years ago
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H(n)=3n-4 find h(-6)
mrs_skeptik [129]

Answer:

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4 0
3 years ago
A bank loaned out $8200, part of it at a rate of 7.9% per year and the rest of it at a rate of 7.4% per year. The total amount o
Lady bird [3.3K]

The amount that the bank loaned out at 7.9% is $1,574.00

How do represent the amounts lent at different rates?

On the assumption that x amount was loaned at 7.9% and that the remaining amount, (8,200-x) was loan out at 7.4%, we can determine the interest charged on each loan as the loan multiplied by the interest rate

interest on 7.9% loan=7.9%*x=0.079x

interest on 7.4% loan=7.4%*(8200-x)

interest on 7.4% loan=606.80-0.074x

total interest=0.079x+606.80-0.074x

total interest=0.005x+606.80

total interest on loans=614.67

614.67=0.005x+606.80

614.67-606.80=0.005x

7.87=0.005x

x=7.87/0.005

x=amount loaned at 7.9%=$1,574.00

y=$8200-$1574

y=$6,626.00

Find out more about bank loan interest rate on:brainly.com/question/20796174

#SPJ1

3 0
1 year ago
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