Answer:
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Answer:
x-3
Step-by-step explanation:
5x²-15x
in order to get the equivalent of the equation, simplify to the lowest term.
To simplify to the lowest term, divide through by the common factor in the equation which is 5x
5x²÷5x - 15x÷5x
=x-3
Answer:
-9
Step-by-step explanation:
3x - 4 -(3x + 5)
3x - 4 - 3x - 5
3x - (4 + 5) - 3x
3x - 9 - 3x
(3x-3x) - 9
-9
Answer:
3
Step-by-step explanation:
Let be t = time to finish
s = average speed
Since is inversely proportional, if t is higher, s lower.
The constant of proportion (k) is
t = k / s
k = t * s
k = 37.5 * 4
k = 150
now that we know k, we can find s for t = 50 seconds
t = k / s
s = k/t
s = 150 / 50
s = 3