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3 years ago

On a coordinate plane, a line goes through points (1, 9) and (4, 3).

Mathematics

2 answers:

anygoal [31]3 years ago

8 0

Answer:

yes

Step-by-step explanation:

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Ber [7]3 years ago

4 0

The slope of the line that contains the point (1,9) and (4,3) would be -2.

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What is the equation of the graphed line written in standard form? 2x – y = –4 2x – y = 4 y = 2x – 4 y equals StartFraction one-

svp [43]

Answer:

The answer is "2x-y=4"

Step-by-step explanation:

Given:

$2x-y=-4\\2x-y=4\\y=2x-4\\y=\frac{1}{2}(x-4)\\$

The Formula of Slope:

$m=\frac{y_2-y_1}{x_2-x_1}$

by replacing the (2,0) and (0,-4) coordinates in the above formula:

$\to m= \frac{-4-0}{0-2}\\\\ \to m= \frac{-4}{-2}\\\\ \to m= \frac{4}{2}\\\\ \to m= 2\\\\$

if point y intercepting in x then x=0, for this the value of x= 0 and c=-4.

Equation of the line:

$\to y=mx+c$

apply m and c value in the above equation:

$\to y=2x-4\\$

Subtract by 2x on both sides of the equation we get:

$\to y-2x= 2x-4-2x\\\\\to y-2x=-4\\\\\boxed{\boxed{2x-y=4}}\\\\$

5 0

4 years ago

Read 2 more answers

2(8 + t)* 6 when s = 3 and t = 2.

jarptica [38.1K]

Answer:

120

Step-by-step explanation:

Plug in variables with numbers

2(8+2)*6

2(10)*6

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120

Please mark brainliest!

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3 years ago

Colin had b books. Then he went to a book sale and bought 35 more books. Choose the expression that shows how many books Colin h

stich3 [128]

Answer:

b + 35 = x (or any other variable)

Step-by-step explanation:

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3 years ago

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If someone deposits $3,000 into a savings account, keeps the account open for 6 years, and ends up earning $720 in interest, wha

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Answer:

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Step-by-step explanation:

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3 years ago

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Does this sample have a bias

raketka [301]

Answer:

Yes, the sample has a bias

Step-by-step explanation:

Bias is the term used in statistics to describe a systematic distortion in the samples obtained for the parameter being estimated. It is evident by obtaining values higher or lower than that of the average population for the parameter being measured. As such the data is a misrepresentation of the population and cannot be trusted to give a good indices of things.

This sample has a bias because the concerned citizen opted to use a convenience sampling instead of using random sampling. In random sampling, every individual has an equal chance of being chosen which is unlike the convenience sampling when only a specific group of individuals can be chosen. In this case, the bias was introduced when the citizen went to stand outside the courthouse with his petition, the citizen should have taken samples across diverse geographical locations and professional institutions. The implication of this sampling is that a significant percentage of the population has been sidelined (considering they would not be in or around the courthouse) from the sampling and the sampling has been restricted to only those who have business around the courthouse. The result is that whatever samples he/she obtains will not be an accurate representation of the parameter being measure from the population.

As such, the sampling technique is biased

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3 years ago