Which property can be used to expand the expression -27x+7)
1 answer:
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Answer:
B (for question 7)
Step-by-step explanation:
To find the slope, we use the equation .
m = (-4+1)/(7+2) = -3/9 = -1/3
Since B is the only option that would give a slope of -1/3, B must be the answer.
(you can use this same method for question 8)
The Potential Energy, is given by:
where:
m = mass of the object (in Kg)
g = gravity
h = height (in m)
Hence:
ANSWER
B. 19,600 J