Answer:
f(3)=21
Step-by-step explanation:
f(1)=3
f(n)=2f(n-1)+3
n=2
f(2)=2f(2-1)+3
f(2)=2f(1)+3
f(2)=2*3+3
f(2)=6+3
f(2)=9
n=3
f(3)=2f(3-1)+3
f(3)=2f(2)+3
f(3)=2*9+3
f(3)=18+3
f(3)=21
Answer:
640
Step-by-step explanation:
you say 100% = 800
what about 80%(i get 80% after substracting 100% that's marked price - 20% discount)
then u say 80×800÷100
6.4x10^5 + 0.36x10^5 = 6.76x10^5, or 676,000
Answer:
73
Step-by-step explanation:
If you are to use Order of Operations, which most people know as PEMDAS, you come up with the following answer.
I will show my work below. Refer to it if you need to.
4x^2+5^2
16x+25
x=3, so 48 + 25
73
The area of rectangle is lengthXwidth. A rectangular prism is essentially a rectangle with a height. So you multiply the area of rectangle with a height to get volume of prism.
