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Fantom [35]
3 years ago
14

PLEASE HELP!!! According to the synthetic division below, which of the following statements are true?

Mathematics
2 answers:
mr_godi [17]3 years ago
7 0

Answer:

Options C, D and F are correct.

Step-by-step explanation:

The factors of 5x^{2}-16x+12 are 2 and \frac{6}{5}

So, option C is correct. (x-2) is a factor or x=2

Option D is also correct. 2 is the root of f(x) = 5x^{2}-16x+12

Putting 2 in place of x we get 5(2)^{2} -16(2)+12

5*4 -32 +12=0

Option F is correct because the remainder is zero in last line.(5x-6+0)

Burka [1]3 years ago
6 0

The answer is C, D, and F. We know it is C because x-2 you would put a positive 2 and that is what is done. We know it is D because if you look at the graph that's where it would touch. We know it is F because the last number below the line is 0.

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Solve the inequality for z-9< 15. Simplify your answer as much as possible.
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z < 24

Step-by-step explanation:

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3 years ago
Maribel surveyed 55 people to find out their favorite types of music. The results are shown in the bar graph. Based on the infor
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3 years ago
Read 2 more answers
For the following amount at the given interest rate compounded​ continuously, find​ (a) the future value after 9 ​years, (b) the
Stella [2.4K]

Answer:

(a) The future value after 9 ​years is $7142.49.

(b) The effective rate is r_E=4.759 \:{\%}.

(c) The time to reach ​$13,000 is 21.88 years.

Step-by-step explanation:

The definition of Continuous Compounding is

If a deposit of P dollars is invested at a rate of interest r compounded continuously for t years, the compound amount is

A=Pe^{rt}

(a) From the information given

P=4700

r=4.65\%=\frac{4.65}{100} =0.0465

t=9 \:years

Applying the above formula we get that

A=4700e^{0.0465\cdot 9}\\A=7142.49

The future value after 9 ​years is $7142.49.

(b) The effective rate is given by

r_E=e^r-1

Therefore,

r_E=e^{0.0465}-1=0.04759\\r_E=4.759 \:{\%}

(c) To find the time to reach ​$13,000, we must solve the equation

13000=4700e^{0.0465\cdot t}

4700e^{0.0465t}=13000\\\\\frac{4700e^{0.0465t}}{4700}=\frac{13000}{4700}\\\\e^{0.0465t}=\frac{130}{47}\\\\\ln \left(e^{0.0465t}\right)=\ln \left(\frac{130}{47}\right)\\\\0.0465t\ln \left(e\right)=\ln \left(\frac{130}{47}\right)\\\\0.0465t=\ln \left(\frac{130}{47}\right)\\\\t=\frac{\ln \left(\frac{130}{47}\right)}{0.0465}\approx21.88

3 0
3 years ago
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