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3 years ago

What is the slope of the line that passes through (6,6) and (15,9)

Mathematics

1 answer:

crimeas [40]3 years ago

5 0

Answer:

y-6=1/3(x-6)

Step-by-step explanation:

slope is 1/3

y-y1=m(x-x1)

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Tju [1.3M]

Both sides were multiplied by 3 to get Step 1, so the property is the Multiplication Property of Equality. Choice D.

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4 years ago

A tire manufacturer is interested in testing the fuel economy for two different tread patterns. Tires of each tread type are dri

Minchanka [31]

Using the t-distribution, it is found that the 99% confidence interval for the difference is (0.058, 3.462).

We are given the standard deviation for the samples, hence, the t-distribution is used to solve this question.

The standard errors are given by:

$s_A = \frac{1.79}{\sqrt{18}} = 0.4219$

$s_B = \frac{1.95}{\sqrt{18}} = 0.4596$

For the distribution of differences, the mean and the standard error are given by:

$\overline{x} = \mu_A - \mu_B = 23.95 - 22.19 = 1.76$

$s = \sqrt{0.4219^2 + 0.4596^2} = 0.6239$

The interval is given by:

$\overline{x} \pm ts$

The critical value for a two-tailed 99% confidence interval with 18 + 18 - 2 = 34 df is t = 2.7284.

Then:

$\overline{x} - ts = 1.76 - 2.7284(0.6239) = 0.058$

$\overline{x} + ts = 1.76 + 2.7284(0.6239) = 3.462$

The 99% confidence interval for the difference is (0.058, 3.462).

For more on the t-distribution, you can check brainly.com/question/16162795

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3 years ago

Identify the terms and factors :

Charra [1.4K]

refer the attachment for your answer

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Sara had 7/8 pound of turkey. She used 2/3 pound for sandwiches. How many pounds of turkey does Sara have left?

rjkz [21]

7\8-2\3
lcm=24
(24\8=21)
(24\3=16)
answer=21-16=5
5\24

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3 years ago

Can i get some help with this please?

sweet-ann [11.9K]

I hope this helps you

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4 years ago