Answer:
30
Step-by-step explanation:
27 diviend by 9 = 3 so 27 +3 = 30.
Answer:
12 months or a year
Step-by-step explanation:
300÷25=12
Answer: 525
Step-by-step explanation:
if your looking for 150 percent of 350, the answer is 525 because....
150 x 350/ 100 =525
Answer:
x=-5
Step-by-step explanation:
This is the sentance turned into an equation: x+10=5
Solved: x+10=5
x=5-10
x=-5
I guess you are asking to find the sum of the first 8 terms. If so, then:
Sum = a₁(1-rⁿ)/(1-r), where a₁ is the 1st term, r=common ratio and n=number of terms:
the 1st term a₁ =3
common ratio r = - 2 (since -6/3 = - 2, and 12/-6 = - 2, etc.)
Sum = 3[(1- (-2)⁸]/(1-2) = 3(1- 256)/(1/2)
Sum = -1530
