3 years ago

Select the correct answer.

Mathematics

1 answer:

myrzilka [38]3 years ago

4 0

Answer:

answer is: 7x^2-14x+10

Step-by-step explanation:

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3 years ago

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2. A line goes through the points (7,8) and (3, 10).

Luda [366]

The formula of a slope (m):

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

We have the points (7, 8) and (3, 10). Substitute:

$m=\dfrac{10-8}{3-7}=\dfrac{2}{-4}=-\dfrac{1}{2}$

a) point-slope form:

$y-y_1=m(x-x_1)$

Substitute:

$y-8=-\dfrac{1}{2}(x-7)$

b) slope-intercept form:

$y=mx+b$

$y-8=-\dfrac{1}{2}(x-7)\qquad|\text{use distributive property}\\\\y-8=-\dfrac{1}{2}x+\dfrac{7}{2}\qquad|\text{add 8}=\dfrac{16}{2}\ \text{to both sides}\\\\y=-\dfrac{1}{2}x+\dfrac{23}{2}$

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The right rectangular prism shown below has square bases and rectangular faces. What shape is the cross section?

Katyanochek1 [597]

Answer:

retrt

Step-by-step explanation:

erterst

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The population of a town is 15,000. If the population is growing by 5% per year, how long will it take for the population to rea

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As a membership fee a health club charges a one-time amount of $40 in charges $25 for each month the total fee after M months is

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40 + 25M = 240
25M = 200
M = 8
8 months

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