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jarptica [38.1K]
3 years ago
9

Which exoression has three terms when simplified

Mathematics
1 answer:
morpeh [17]3 years ago
7 0

Answer:


Step-by-step explanation:


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Answer and solve for brainlist
BartSMP [9]

Answer:

y=10x+57

Step-by-step explanation:

30pieces of candy/3 minutes=10 pieces of candy/minute (slope)

He has already eaten 57 pieces at x=0 minutes so this must be the Y-Intercept

Slope intercept form is y=mx+b

m: Slope (10)

b: y-intercept (57)

4 0
2 years ago
The data given to the right includes data from ​candies, and of them are red. The company that makes the candy claims that ​% of
Dafna1 [17]

Using the z-distribution, the 95% confidence interval for the percentage of red candies is of (7.84%, 33.18%). Since 33% is part of the interval, there is not enough evidence to conclude that the claim is wrong.

<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.

Researching this problem on the internet, 8 out of 39 candies are red, hence the sample size and the estimate are given by:

n = 39, \pi = \frac{8}{39} = 0.2051

Hence the bounds of the interval are:

  • \pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2051 - 1.96\sqrt{\frac{0.2051(0.7949)}{39}} = 0.0784
  • \pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2051 + 1.96\sqrt{\frac{0.2051(0.7949)}{39}} = 0.3318

As a percentage, the 95% confidence interval for the percentage of red candies is of (7.84%, 33.18%). Since 33% is part of the interval, there is not enough evidence to conclude that the claim is wrong.

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

#SPJ1

7 0
2 years ago
hat are the solutions to the equation |x| = 2? Choose all answers that are correct. A. B. C. D.
zalisa [80]
Easy, so absolute value makes anything inside into positive
|x|=2
therefor x=-2 or x=2 since  it would be made posotive

answer is -2 and 2

6 0
3 years ago
Read 2 more answers
Find the hypotenuse (c) of the right triangle.
Aleksandr-060686 [28]
<h2><u>Solution</u>:-</h2>

Hypotenuse (x) of the right triangle = \sqrt{7² \: + \: 11²}

Hypotenuse (x) of the right triangle = \sqrt{49 \: + \: 121}

Hypotenuse (x) of the right triangle = \sqrt{170}

Hypotenuse (x) of the right triangle = 13

The hypotenuse (x) of the right triangle is <u>1</u><u>3</u><u> </u><u>m</u>.

<h3>Hence, option (D) <u>1</u><u>3</u><u> </u><u>m</u> is correct. [Answer]</h3>
4 0
3 years ago
What is 10+10? plz help me.
klasskru [66]
10+10 the answer is 20
8 0
3 years ago
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