Answer:
A.
Step-by-step explanation:
when you plot the vertices;
Side AB is perpendicular to side BC
Side AB is parallel to side DC
Side AC is perpendicular to AB
Side AC is perpendicular to DC
Side AC is parallel to side BC
The conclusion made is that ABCD is a rectangle
Let the speed for the first 12 mi be x mi/h, the speed for 18 mi was (x+4) mi/h
thus given that
time=distance/speed
the average time will be:
3=(12+18)/(x+x+4)
3=30/(2x+4)
solving for x we get
3(2x+4)=30
6x+6=30
6x=24
x=4 mi/hr
Answer: 12 mi/hr
Answer:
9
Step-by-step explanation:
they said that m=6 which you can plug in into the problem, now that you know what 'm' is. It will look like this:
6/2 + 6 = ?
6 divided by 2 = 3 so it'll look like this
3 + 6 = 9
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➷ Housing: 1800/4500 x 100 = 40%
Transportation: 800/4500 x 100 = 17.7%
Utilities: 175/4500 x 100 = 3.8%
Food: 550/4500 x 100 = 12.2%
Savings: 300/4500 x 100 = 6.6%
Loan: 300/4500 x 100 = 6.6%
Other: 575/4500 X 100 = 12.7%
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