4[(3(-2) - 6] / (1 +(-2))
= 4(-12) / -1
= 48
answer
<span>B. 48 </span>
Explanation:If the bank has only quarters and dimes, and its total amount of coins is 250, then be x the amount of quarters it has, it will have 250−x dimes.
A quarter is worth 0.25$, a dime is worth 0.10$ and the 250 coins together are worth 39.25$.
They must have the same variable with the same exponent. The coefficient doesn't matter much.
Answer:
Factor using difference of cubes and set each factor equal to
0
.
x
=
2
,
−
1
+
i
√
3
,
−
1
−
i
√
3
Step-by-step explanation:Factor using difference of cubes and set each factor equal to
0
.
x
=
2
,
−
1
+
i
√
3
,
−
1
−
i
√
3