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Anuta_ua [19.1K]
3 years ago
9

giving brainliest!!!!!!!!!

Mathematics
2 answers:
Mila [183]3 years ago
6 0

Answer:

Answer D

Step-by-step explanation:

J(1, 2)

K(1, 8)

L(10, 2)

L - J = 10 -1 = 9

K - J = 8 - 2 = 6

choli [55]3 years ago
5 0

Answer: I think it's  C

Step-by-step explanation:

Can i have the brainliest plssss

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5. Kal Tire installs automobile tires on a first-come first-served basis. A random sample of 50 customers experienced an average
Rainbow [258]

5.7099 is the margin of error.

<h3>What is standard deviation ?</h3>

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean.

Low standard deviation means data are clustered around the mean, and high standard deviation indicates data are more spread out.

According to the question,

The standard sampling error of the sample mean is σₓ ,

The sampling distribution is: N (u,σₓ/n)

Therefore,

By using the standard deviation formula:

σₓ = √∑(xi -μ)/N

Where,

∑= population standard deviation

N= the size of the population

xi= each value from the population

μ =the population mean

So ,

σₓ = \frac{20.6}{\sqrt{50} } = 2.913

Since, a = 1- 95% = 0.05

therefore Z\frac{a}{2} = (1-0.005 x 2) = 1.959964

Here, the margin of error for a 95% confidence interval for this sample is given by:

Z\frac{a}{2} * σₓ = 1.959964 x 2.913    

           = 5.7099

5.7099 is the margin of error for a 95% confidence interval for this sample.

Learn more about standard deviation here:

brainly.com/question/13905583

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7 0
1 year ago
A credit card company charges an annual simple interest rate of 24%. in august, your purchases totaled $956. How much will you p
Oksana_A [137]

Answer:

83  

I know because I did this problem a few years ago

3 0
2 years ago
In an automobile parts factory, for every 175 carburetors 3 are found to be defective. At that rate how many carbureatots out of
Furkat [3]

Answer:

At the same  rate 18  carburetors out of 1,050 could be expected to be detective.

Step-by-step explanation:

The number of carburetors tested = 175

Defective pieces out o f 175 = 3

So, ratio of defected to tested =    3   :    175

Now, the number of carburetors tested in second batch = 1,050

Here, let the defective pieces = m

So, by the Ratio of Proportion,

\frac{3}{175}  = \frac{m}{1050}

or, m = \frac{1050  \times 3}{175}  = 18

⇒ m = 18

Hence, at the same  rate 18  carburetors out of 1,050 could be expected to be detective.

8 0
3 years ago
What is the distance between A(-8, 4) and B(4, -1)?
Anettt [7]

Answer:

The distance between A(-8, 4) and B(4, -1) is 13 units.

Step-by-step explanation:

To find the distance between any two points, we can use the distance formula given by:

\displaystyle d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2

We have the two points A(-8, 4) and B(4, -1). Let A(-8, 4) be (<em>x₁, y₁</em>) and let B(4, -1) be (<em>x₂, y₂</em>). Substitute:

d=\sqrt{(4-(-8))^2+(-1-4)^2}

Evaluate:

d=\sqrt{(12)^2+(-5)^2}

So:

d=\sqrt{144+25}=\sqrt{169}=13\text{ units}

The distance between A(-8, 4) and B(4, -1) is 13 units.

7 0
2 years ago
Read 2 more answers
SOMEONE PLEASE HELP ASAP IM IN A TEXT NO EXPLANAION NEEDED JUST THE FUNCTION!!THANK YOU SO MUCH :)
Lynna [10]

Answer:

\frac{-1}{4} x^{2}

\frac{-1}{4} g(x)

Step-by-step explanation:

3 0
2 years ago
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