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3 years ago

9

Lois has 10 coins in quarters and dimes in their pocket. After counting, the total value is $1.45. How many of each coin did Loi

s have?

1 answer:

umka21 [38]3 years ago

5 0

I have no idea sorry brainly is making me answer questions here’s a picture of my dog

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What is the difference of the two polynomials?<br> (9x2 + 8x) - (2x2 + 3x)

lara [203]

Answer:

7x^2+5x

Step-by-step explanation:

Given

Polynomial 1: 9x^2+8x

Polynomial 2: 2x^2+3x

We have to find subtraction of both

So,

9x^2+8x - (2x^2+3x)

First of all the brackets will be eliminated by multilying the minus sign

9x^2+8x-2x^2-3x

The terms with same power of variable will be written together

9x^2-2x^2+8x-3x

=7x^2+5x ..

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olganol [36]

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3 years ago

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svet-max [94.6K]

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Step-by-step explanation:

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3 years ago

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3 years ago

You have won the lottery and will receive 20 annual payments of $10,000 starting today. If you can invest these payments at 8.5%

xxTIMURxx [149]

Answer:

$102,677.20

Step-by-step explanation:

The present value of an annuity due is determined by the following expression:

$PV = P+P*(\frac{1-(1+r)^{-n+1}}{r})$

Where 'P' is the amount of each payment received, 'r' is the interest rate on the investment and 'n' is the number of yearly payments.

With 20 annual payments of $10,000 at a rate of 8.5%, the present value is:

$PV = 10,000+10,000*(\frac{1-(1+0.085)^{-20+1}}{0.085})\\PV = 10,000+ 10,000*(9.26772)\\PV=\$102,677.20$

The present value of your winnings is $102,677.20.

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3 years ago