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patriot [66]
3 years ago
6

Can someone tell me the slope ?

Mathematics
1 answer:
borishaifa [10]3 years ago
3 0

Answer:

slope = 4

Step-by-step explanation:

We can find the slope of a line when knowing 2 points by using the slope formula, \frac{y_2 - y_1}{x_2 - x_1}. x_1 and y_1 represent the x and y values of the first point, respectively. x_2 and y_2 represent the x and y values of the second point, respectively.

The two points we have are (2,8) and (0,0). So, in this case, x_1 = 2, y_1 = 8, x_2 = 0, and y_2 = 0. Let's substitute those values into the formula and solve to get the slope:

m  = \frac{0-8}{0-2}

\frac{-8}{-2}

4

So, the slope is 4.

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A researcher is interested in estimating the mean weight of a semi trailer truck to determine the potential load capacity. She t
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Answer: 95% confidence interval = 20,000 ± 2.12\times\frac{1500}{\sqrt{17} }

( 19228.736 , 20771.263 ) OR ( 19229 , 20771 )

Step-by-step explanation:

Given :

Sample size(n) = 17

Sample mean = 20000

Sample standard deviation = 1,500

5% confidence

∴ \frac{\alpha}{2} = 0.025

Degree of freedom (d_{f}) = n-1 = 16

∵ Critical value at ( 0.025 , 16 ) = 2.12

∴ 95% confidence interval = mean ± Z_{c}\times\frac{\sigma}{\sqrt{n} }

Critical value  at 95% confidence interval = 20,000 ± 2.12\times\frac{1500}{\sqrt{17} }

( 19228.736 , 20771.263 ) OR ( 19229 , 20771 )

3 0
3 years ago
In a sample of people on the school board 2 out of 5 were in favor of a new high school being built if 3,500 people vote in the
ioda

Answer:

Just about 2100 people

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7 0
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Triangle xyz is similar to triangle xvw. write the congruence statements that must be true.
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Answer:

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Step-by-step explanation:

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Since corresponding angles of similar triangles are equal,

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Also, since corresponding sides of similar triangles are in proportionate,

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9(5x + 1) ÷ 3y
alexdok [17]

The expression obtained after solving the given expression is,\rm \frac{(15x+3)}{y}

<h3>What is a BODMAS rule?</h3>

For the Bracket, Order, Division, Multiplication, Addition, and Subtraction rules, BODMAS stands for Bracket, Order, Division, Multiplication, Addition, and Subtraction.

Given expression ;

9(5x + 1) ÷ 3y

Follow the BODMAS rule;

Step 1; Divide

\rm \frac{9(5x+1)}{3y} \\\\ \frac{3(5x+1)}{y} \\\\

Step 2; Multiply

\rm \frac{9(5x+1)}{3y} \\\\ \frac{(15x+3)}{y} \\\\

Hence the expression obtained after solving the given expression is,\rm \frac{(15x+3)}{y}

To learn more about the BODMAS rule, refer to brainly.com/question/23827397.

#SPJ1

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