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3 years ago

A cleaning croquet came kids clean five offices in six hours how many offices can they clean in 12 hours

Mathematics

2 answers:

Margarita [4]3 years ago

4 0

Answer:

Since they can clean 5 offices in six hours. The double the time the double the offices. So they can clean 10 offices in 12 hours.

adell [148]3 years ago

4 0

I read the problem wrong, oof so sorry.

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inn [45]

The formula of a slope:

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

We have the points A(-6, 6) and B(12, 3). Substitute:

$m=\dfrac{3-6}{12-(-6)}=\dfrac{-3}{18}=-\dfrac{3:3}{18:3}=-\dfrac{1}{6}$

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Put the coordinates of the point B to the equation:

$3=-\dfrac{1}{6}(12)+b$

$3=-2+b$ add 2 to both sides

$5=b\to b=5$

Answer:

$m=-\dfrac{1}{6}\\\\b=5$

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