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Alona [7]
3 years ago
11

Please help asap thank you

Mathematics
1 answer:
Zigmanuir [339]3 years ago
5 0

Answer: i really dont know

Step-by-step explanation:

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Which of the following is a root of P(x)=-2x^3+x^2+4x+4?<br> -1<br> 0<br> 1<br> 2
ziro4ka [17]

Answer:

  2

Step-by-step explanation:

You know 0, 1, and -1 are not roots, because the constant is not 0 and the coefficients don't add to 0, even when negating the ones of odd-degree terms.

When evaluating polynomials by hand, it often works well to write them in "Horner form."

  P(x) = ((-2x +1)x +4)x +4

  P(2) = ((-2·2 +1)2 +4)2 +4 = (-3·2 +4)2 +4 = -2·2 +4

  P(2) = 0

2 is a root of P(x).

_____

I like a graphing calculator for questions like this. It can give an answer instantly. (The equation was pasted directly from the question into the calculator, so the solution took 2 clicks and 2 keystrokes.)

5 0
2 years ago
Dose anyone on this app know how to figure this out ?
Nesterboy [21]

Answer:

fuigire what

Step-by-step explanation:

maybe my friend can help

8 0
2 years ago
Some please help with this problem, I have tried multiple time but still couldn't get the right answer. :(
Tanzania [10]

Given data:

Total number of songs = 8

Rock songs = 3

Reggae songs = 2

Country songs = 3

Probability = Number of favorable outcomes / Total number of outcomes

To find:

When song is selected randomly to play first song and then second song from remaining ones ,

Probability when both the songs are from Reggae songs,

\begin{gathered} P\text{ =}\frac{2}{8}\times\frac{1}{7} \\ \text{   = }\frac{2}{56} \end{gathered}P=\frac{1}{28}

Thus , the probability is 1/28.

4 0
9 months ago
Mary wants to buy a new house but needs money for the down payment. Her parents agree to lend her money at an annual rate of 2%,
lukranit [14]

Answer:

a) Simple interest paid = $360

b) Total repayment amount = $6360

Step-by-step explanation:

It is given that:

Principal, P = $6000

Rate of interest, R = 2%

Time, T = 3 years

<em>(a) Total interest paid</em>:

<u>Formula</u> for Simple Interest is given as:

S.I. = \dfrac{P \times R \times T}{100}

Putting the values of P, R and T to find out Simple Interest:\\\Rightarrow S.I. = \dfrac{6000 \times 2 \times 3}{100}\\\Rightarrow S.I. = \$360

<em>(b) Total repayment amount</em>:

We know that formula for total amount is given as:

<em>Amount = Principal + Simple Interest</em>

Amount = 6000 + 360 = $6360

So, total repayment amount = $6360

So, the answers are:

a) Simple interest paid = $360

b) Total repayment amount = $6360

3 0
3 years ago
What is the area of triangle RFG?
vladimir1956 [14]

Answer: you're gonna need to tell us the measurements of the triangle or else we can't help you find the area

7 0
3 years ago
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