Answer:
x = -9
Step-by-step explanation:
Normally 18/2 is 9, but since we’re dividing by a negative, the 9 becomes negative.
So 18/-2 is -9.
Answer:
60 km/hr.
Step-by-step explanation:
When Dad caught up the the time he had been driving was 4 hours and the time Mom had been driving was 1 + 4 = 5 hours.
They both drove the same distance, d km.
For Dad:
speed = d / time
75 = d / 4
d = 75 * 4 = 300 km.
Mom took 5 hours to travel this distance, so
Mom's speed was 300 / 5 = 60 km/hr.
Store one since the 15% is take off 90 dollars which makes it 510
2 + 4x + 5 = 0
4x + 2 + 5 = 0
4x + 7 = 0
4x = 0 - 7
4x = -7
x = <u> </u><u>-7</u><u> </u> ANSWER
4
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Answer:
Answer given below
Step-by-step explanation:
4x2 + 11 = - 37
If u do by using formula
D = b^2 - 4ac