Answer: 7
Step-by-step explanation:
Answer:
5 classes
Step-by-step explanation:
Let x be the amount of swimming classes the student took. We can use this to set up an equation:
12.50+8.75x=56.25
Subtract 12.50 from both sides
8.75x=43.75
Divide both sides by 8.75
x=5
The student took 5 swimming classes
Answer:
(3*7)*M = 3*(7*M) is an example of the associative property of multiplication.
Step-by-step explanation:
9514 1404 393
Answer:
17 -4i
Step-by-step explanation:
You do this the same way you would if i were a variable.
8-(-4+5i)-(-5-i) = 8 +4 -5i +5 +i = (8 +4 +5) +(-5i +i) = 17 -4i