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Zielflug [23.3K]
3 years ago
10

Simplify x^2+x-12/x^2+3x-4

Mathematics
1 answer:
zmey [24]3 years ago
8 0
The answer is \frac{x^4+4x^3-4x^2-12}{x^2}
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# 1) 22 students are __% of 55 * Show Work *
LenaWriter [7]

22 = p* 55

divide by 55

22/55 = p

.4 = p

40 percent


24 = .40 * m

divide by .40

24/.4 = m

60 = m

60 marbles


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3 years ago
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What is the value of the correlation coefficient r of the data set?
Damm [24]

The correlation coefficient r of the data set is <em>-0.28</em>

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2 years ago
Help need help with this
vaieri [72.5K]
Maybe use a math app
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2 years ago
A certain college graduate borrows 5510 dollars to buy a car. The lender charges interest at an annual rate of 17%. Assuming tha
Diano4ka-milaya [45]

Answer:

His annual payment rate required to pay off the loan in 7 years is k = $2362.41 a year.

He has to pay $11026.85 in interest

Step-by-step explanation:

The first step to solve this problem is find how much the student will have to pay for the car. So, we have to find how much the present value of the car(in $) will be worth in 7 years. This is a compound interest problem:

The compound interest formula is given by:

A = P(1 + \frac{r}{n})^{nt}

Where A is the amount of money, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit t and t is the time the money is invested or borrowed for.

In this exercise, we have:

A = The value we want to find

P = The initial value = 5510

r = 0.17

n = 1

t = 7

So

A = 5510(1 + \frac{0.17}{1})^{7}

A = $16536.85

In a seven year period, he has to pay $16536.85. Per year, he has to pay a rate k of:

k = \frac{16536.85}{7} = $2362.41

His annual payment rate required to pay off the loan in 7 years is k = $2362.41

How much does he pay in interest?

His loan is $5510 and he has to pay $16536.85. So, in interest, he has to pay 16536.85 - 5510 = $11026.85

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3 years ago
A Guy decides to get in shape by running. The first day he wants 1 mile in 12 minutes two months later he has decreased his mile
Anon25 [30]
He would be able to run it in 9 minutes.
5 0
3 years ago
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