The area of a trapezoid is A = (a+b/2)(h).
So just plug in your numbers.
Answer:
if you see the graph for x=-1
the y is equal -4
you can draw a straight line parallel y axes from point x=-1 it will cut the graph on y=-4
(a)______________________
| 1 | 2 | 3 | 4 |
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Health | 7 | 14 | 21 | 28 |
Fire | 12 | 24 | 36 | 48 |
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(b) In 84 days, both inspectors will visit on the same day, because the LCM (least common multiple) of 7 and 12 is 84
Answer:
2x
Step-by-step explanation:
x*1=x
then add x. you get 2x.
divide by 1 and you get 2x