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3 years ago

At a computer store, a tablet computer was on sale for 10% off. If the original price of the tablet

Mathematics

2 answers:

kari74 [83]3 years ago

7 0

Answer:

the discounted price by 10% is P(x) = 0.9x. the price minus a $150 coupon is C(x) = x - 150. so, if you go to the store, the item is discounted by 10%, so you're really only getting out of your pocket 90% of that, or 0.9x, but!!

musickatia [10]3 years ago

3 0

If it’s ten percent off and say the tablet is $100 then the tablet would be $90 so 0.90

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Mario and his dad decide to start saving for retirement at the same time. Mario is 20 years old and his dad is 40 years old. Bot

const2013 [10]

Answer:

Mario:

we must first calculate the present value of Mario's distributions when he retires:

present value = monthly distribution x annuity factor

monthly distribution = 4,000
PV annuity factor, 300 periods, 0.333% = 189.53178

present value = 4,000 x 189.53178 = $758,127.12

he will make 45 years of contributions to his IRA, which totals 540 monthly contributions

we are not told if the interest rate is effective or not, and how often is interest compounded, so I will just divide it by 12 to calculate the monthly interest rate (same as before) = 0.583333%

the future value of Mario's contributions = monthly contribution x annuity factor

future value = $758,127.12

FV annuity factor, 540 periods, 0.583333% = 3,792.58975

monthly contribution = $758,127.12 / 3,792.58975 = $199.90

Mario's dad:

present value of the annuity when he is 65 = $758,127.12 (same as Mario's)

the future value of his contributions = monthly contribution x annuity factor

future value = $758,127.12

FV annuity factor, 300 periods, 0.583333% = 810.07118

monthly contribution = $758,127.12 / 810.07118 = $935.88

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4 years ago

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Natasha_Volkova [10]

Answer:

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3 years ago

Rewrite 3/8 with the denominator of 24

Ksivusya [100]

Answer:

9/24

Step-by-step explanation:

3/8

24 ÷ 8 = 3

3 x 3 = 9

9/24

Check:

9/24 = 0.375

3/8 = 0.375

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3 years ago

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3 years ago

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X= -8y + 8 x= -2y + 2 How do I solve this system of equations

Agata [3.3K]

Answer:

According the the Property of Equality (POE), if a=b and b=c, then a=c.

If -8y + 8 = x and x = -2y + 2, substitute so that it becomes -8y + 8 = -2y + 2.

Solve from there:

Move the y variables to their own side.

-8y + 2y = 2-8

-6y = -6

y = -6

Then plug the y into either equation to find x.

x = -2y + 2

x = -2(-6) + 2

x = 12 + 2

x = 14

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3 years ago