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sleet_krkn [62]

3 years ago

12

Tom's parents just brought a car that was three times the amount that Tom paid for his new car. If tom paid 20,000.00 for his ca

r, how much did his parents pay for their car?

1 answer:

gladu [14]3 years ago

8 0

Answer:

$60,000

Step-by-step explanation:

20,000×3=60,000

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Solve 2x^3+7x^2-2x-1=o

Mashcka [7]

Answer:

$x=\sqrt{3}-2\\x=-\sqrt{3}-2\\x=\frac{1}{2}$

Step-by-step explanation:

This is a hard one

We have to use the rational root theorem

$2x^3+7x^2-2x-1$ = 0

We have to find all the factors of a and d and put them in a fraction

$a=2\\d=-1\\\frac{1}{1,2}$

We then plug them into the equation to see if any of them work

The equation isn't true when plugging 1, but is true when plugging in 1/2

factored form of 1/2 is (2x-1)

Then we divide the original equation by (2x-1) (you can use synthetic division or long division, it would be hard to type out the process for that) to get $x^2+4x+1$

So now the equation is $(2x-1)(x^2+4x+1)$

Solve the second half of this equation using the quadratic formula to get

$\sqrt{3}-2$ and $-\sqrt{3}-2$

We already know the solution for the first half of the equation (1/2)

So the final answers are:

$x=\sqrt{3}-2, -\sqrt{3}-2, \frac{1}{2}$

8 0

3 years ago

17 m<br> 15 m<br> 17 m<br> 11 m<br> 16 m<br> PLEASE HELP ME I WILL THANK YOU LATERR :)))

REY [17]

Answer:

790 for surface area

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Step-by-step explanation:

3 0

3 years ago

Keiko deposits $6000 into an account that pays simple interest at a rate of 3% per year. How much interest will she be paid in t

irina1246 [14]

Answer:

540

Step-by-step explanation:

3% of 6000 is 180. Multiply that by 3 years and you have your result.

5 0

3 years ago

a fabric store sells pieces of material for $5 each Ali bought two white pieces and 8 blue pieces she also bought a pack of butt

Murrr4er [49]

The term (2 + 8) is described as the total amount of pieces of fabric. It makes it easier to put this term this way so you wouldn't have to do (8 x 5) + (2 x 5) and do the distributive property.

8 0

4 years ago

Read 2 more answers

what is the hourly median income for a female with a less than a highschool diploma if you assume a 40-hour work week?

kakasveta [241]

Answer:

I believe the answer would be 323/40=$8.07/hr

8 0

3 years ago