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2 years ago

12

Solve the equation 1.6=7.6-5(k+1.1)

1 answer:

zepelin [54]2 years ago

8 0

7.6 - 5(k + 1.1) = 1.6

7.6 - 5(k + 1.1) - 7.6 = 1.6 - 7.6

-5(k +1.1) = -6

-5(k + 1.1) -6
-------------- = ---------
-5 -5

k + 1.1 = 6
-----
5

k + 1.1 - 1.1 = 6
----- - 1.1
5

k = 0.1

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The factoring method which can be considered for such a cubic tetranomial expression is; factor by grouping sum of cubes.

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2 years ago

Members of the student concil are conducting a fundraiser by selling school calendars. After selling 80 calendars, they had a lo

Oksana_A [137]

Answer:

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Step-by-step explanation:

a) The equation of the line in Slope-Intercept form is:

$y=mx+b$

Where "m" is the slope and "b" is the y-intercept.

In this case we know that "y" represents the profit of loss and "x" the number of calendars sold.

Then, according to the exercise, the line passes through these two points:

$(80,-360)$ and $(200,600)$

Then, we can find the slope of the line with the formula $m=\frac{y_2-y_1}{x_2-x_1}$

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Now, we can substitute the slope and one of those points into $y=mx+b$ and solve for "b":

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2 years ago

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Answer:

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To check this answer, just multiply X with 10 and you will always get Y!

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3 years ago

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3 years ago

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3 years ago

Read 2 more answers