3 years ago

A cleaning company charges x dollars per hour to clean floors and y dollars per hour to clean the rest of a house.

Mathematics

2 answers:

Vladimir [108]3 years ago

8 0

Answer:

whever Jazlenelopolito said:)

Step-by-step explanation:

good luck!

Sergio039 [100]3 years ago

5 0

Answer:

it is B (4,24)

Step-by-step explanation:

hope this helps!

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In ΔABC, centroid D is on median AM. AD = x + 3 and DM = 2x - 1. Find AM.

nata0808 [166]

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3 years ago

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insens350 [35]

To start, the equation has to be converted to slope-intercept form, or $y=mx+b$ . Start by subtracting x from both sides; $x-x+2y=4$ , $2y=4-x$ . Switch 4 and -x around to conform to the formula; $2y=-x+4$ . Then divide by 2 to isolate y; $y=-\frac{1}{2}x+2$ . This is the final equation. Because the slope of a line perpendicular is always the opposite reciprocal (i.e. The opposite reciprocal of 4 is $-\frac{1}{4}$ , the opposite reciprocal of $-\frac{1}{5}$ is 5) the opposite reciprocal of $-\frac{1}{2}$ is 2. So the equation of the line is $y=2x$ , and the answer is A.