Answer:
Step-by-step explanation:
(fog)(x) = f(x)*g(x)
= 8x * (2x + 1)
= 8x * 2x + 8x * 1
= 16x² + 8x
Lets x and y are the value of two numbers.
x + y = 16
x - y = 2.4
If x + y = 16 then x = 16 - y
Substitute x = 16 - y into x - y = 2.4
16 - y - y = 2.4
16 - 2y = 2.4
2y = 13.6
y = 6.8
x = 16 - y
x = 16 - 6.8
x = 9.2
Answer:
The value of two numbers are 9.2 and 6.8
Answer: For you : 100+5x=200
For Josh : 50+10x=200
Step-by-step explanation:
Given : Cost of video game.= $200
Money you have = $100
Money you add each week = $5
Let x be the number of week, the money( in $) you have after x weeks = 100+5x
Josh has $50 in save $10 each week , then money( in $) Josh has after x weeks = 50+10x
Required equations :
For you : 100+5x=200
For Josh : 50+10x=200
Answer:
28
Step-by-step explanation:
Circumference = 2*pi*r
r = 1/2*diameter = 4.5
pi = 3.14
Circumference = 2*(3.14)*(4.5) = 28.26 = 28
