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Ket [755]
3 years ago
12

What is the remainder when you divide (5x^3+23x^2-x+53) / (x+5)

Mathematics
2 answers:
lakkis [162]3 years ago
5 0

Answer:

Remainder: 8

Step-by-step explanation: Divide by equation by using long polynomial division.

Hope this helpsʕ•ᴥ•ʔ

Butoxors [25]3 years ago
4 0

Answer:

  1. 8
  2. x+5

Step-by-step explanation:

You can do regular polynomial long division as in the first attachment, or you can do synthetic division as in the second attachment. They both give the same result. The remaining fraction is 8/(x+5).

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Which one of these numbers is a perfect square 21,15,6,16,27
s344n2d4d5 [400]

Answer:

16

Step-by-step explanation:

4*4

8 0
2 years ago
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Hi can you please solve these problems for me? I'll give you all 5 stars :T
Sunny_sXe [5.5K]

Answer:

number 1. answer 3x+6

number 2. answer 2r-8

number 3. answer 4y+8

number 4. answer 24-6x

3 0
3 years ago
A random sample of 864 births in a state included 426 boys. Construct a 95% confidence interval estimate of the proportion of bo
oksian1 [2.3K]

Using the z-distribution, it is found that the 95% confidence interval is (0.46, 0.526), and it does not provide strong evidence against that belief.

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which:

  • \pi is the sample proportion.
  • z is the critical value.
  • n is the sample size.

In this problem, we have a 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so the critical value is z = 1.96.

We have that a random sample of 864 births in a state included 426 boys, hence the parameters are given by:

n = 864, \pi = \frac{426}{864} = 0.493

Then, the bounds of the interval are given by:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.493 - 1.96\sqrt{\frac{0.493(0.507)}{864}} = 0.46

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.493 + 1.96\sqrt{\frac{0.493(0.507)}{864}} = 0.526

The 95% confidence interval estimate of the proportion of boys in all births is (0.46, 0.526). Since the interval contains 0.506, it does not provide strong evidence against that belief.

More can be learned about the z-distribution at brainly.com/question/25890103

4 0
2 years ago
You volunteer to help children at a charity event to the zoo, but you can fit only 7 of the 14 children present in your van. How
Alex

Answer:

2 Groups

Step-by-step explanation:

if there is 14 kids and you can only drive 7 at a time. You are going to have to make 2 trips because 7 + 7 = 14

6 0
3 years ago
Read 2 more answers
(01.02 LC)Simplify negative 7 and 1 over 8 − negative 9 and 1 over 2. negative 2 and 3 over 8 negative 16 and 5 over 8 16 and 5
user100 [1]
Your question seems to be -7 +(1/8) -(-9) + (1/2) but then there is a decimal in front of the next -2 so that makes no sense unless that is a period before starting a new equation. You can simply type this beginning section into a calculator to get your answer of (21/8), but I have a feeling you just tried to copy and paste a test question and it did not format correctly in your question so is probably much more complicated than using a calculator. 
A better idea would be to write it in math terms instead of words, then find a common denominator so you can simplify. Writing it out in words makes it too hard for your brain to think about it in terms of math.
8 0
3 years ago
Read 2 more answers
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