I believe the answer is C. Digestive and Respiratory system
Answer:
Smallest x -14
Larger x 0
Step-by-step explanation:
(x+7)^2 -49=0
Add 49 to each side
(x+7)^2 -49+49=0+49
(x+7)^2 = 49
Take the square root of each side
sqrt((x+7)^2) = ±sqrt(49)
x+7 = ±7
Subtract 7 from each side
x+7-7 = -7±7
x = -7±7
x = -7 -7 x = -7+7
x = -14 x =0
Smallest x -14
Larger x 0
9514 1404 393
Answer:
7 1/3 hours
Step-by-step explanation:
We are to assume that the total number of heater-hours required is a constant. That is, the time is inversely proportional to the number of heaters.
If the number of heaters goes up by a factor of 6/4 = 3/2, then the number of hours will go down by the inverse factor: 2/3.
With 6 heaters instead of 4, the time required is (2/3)(11 hours) = 7 1/3 hours.
Answer:
8m^2n−15mn^2
Step-by-step explanation:
(6m^2n+2m^2n)+(−14mn^2−mn^2)
= 8m^2n−15mn^2
Answer:
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