Answer:
a(a + 3b)
Step-by-step explanation:
a² + 2ab + ab
a² + 3ab
a(a + 3b)
Answer:
The difference of fifty-four and seven times a number is written as 54 - 7x.
Step-by-step explanation:
Answer:
If y=2x+7 were changed to y=5x+7, then the graph of the new function would be steeper than the graph of the original function. On the other hand, the y-intercept would be unchanged; ( 0, 7)
Step-by-step explanation:
If y=2x+7 were changed to y=5x+7, then the graph of the new function would be steeper than the graph of the original function. On the other hand, the y-intercept would be unchanged; ( 0, 7)
It is a valid sample because the first eight people were selected to participate? (the first one)
Answer:
Approximately
.
Step-by-step explanation:
The given quantity was in the unit
while the required quantity should have the unit
. It would thus be necessary to use conversion factors of the following forms:
.
Make use of the fact that:
, and
.
Rearrange the equation
to obtain the conversion factor:
.
Similarly, rearrange the equation
to obtain the conversion factor:
.
Combine both conversion factors and evaluate:
.