Answer:
D = 8y-15
Step-by-step explanation:
-y-9y-15 than combine -y and -9y
so = 8y-15
Complex number = a +bi
a is a real part, bi - an imaginary part
So, in <span>10+12i
10 is a real part, 12i is an imaginary part.</span>
Answer:
ae
Step-by-step explanation:
I'm in seventh grade. I haven't learned that yet.
try asking your teacher.
Answer:
40 miles a day
Step-by-step explanation:
The difference in fixed charge is $20; the difference in mileage charge is $0.50 per mile. So it will take $20/$0.50 = 40 miles for the extra mileage cost to eat up the savings in fixed cost. At that mileage, both companies will charge the same amount:
A: 90 + 0.30·40 = 102
B: 70 + 0.80·40 = 102
