Answer:
Step-by-step explanation:
We are given with a
FILLED CIRCLE : If circle is filled that means that that point is also included in the number line solution.
here we are given that the arrow is pointing left from -2 and the circle is filled
hence -2 is included and as the arrow is pointing towards left towards negative , the includes all the point less or equal to -2
The solution of the in equation would be
x ≤ -2
Unfortunately none of the option gives the above value of x.
45/75 = .6,
= 60%
(just take .6 and multiply by 100 for the percent)
Answer:
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Speed of motorcycle = x
speed of car = X +10
travel time = distance / speed
car travel time = 237 /(x+10)
motorcycle travel time = 207/x
set them to equal each other:
237/x+10 = 207/x
cross multiply:
237x = 207(x+10)
distribute the right side:
237x = 207x + 2070
subtract 207x from both sides:
30x = 2070
divide both sides by 30:
x = 2070 / 30
x = 69
speed of motorcycle was 69 miles per hour
speed of car was 69 +10 = 79 miles per hour