80÷18≈4
18 can go into 80 four times
Hope my answer helped u :)
Answer:
Upper deck = $38
Goal View = $63
Sidelines = $88
Step-by-step explanation:
Represent
- Sidelines with S
- Goal-view with G
- Upper-deck with U
We have that:



Required
Solve for S, G and U
Substitute 25 + G for S in the second equation

Make G the subject


Substitute 25 + U for G in the third equation

Collect Like Terms



Substitute 38 for U in 


Substitute 63 for G in 


Answer:
e = 9
Step-by-step explanation:
ok e is just x, so we have to get it alone
4e - 10 = 2e + 8
We move the 2 since its smaller than the 4, and we move it two the other side. 4-2=2 so the new e is 2, now that 8 is alone (since we moved the 2), we cant be having the e with the -10... like this..
2e - 10 = 8, so we now add 10 so it can go with the 8, the new equation is this..
2e = 18
18/2 = 9
simple explanation
4e - 10 = 2e + 8
2e = 18
e = 9
(does that make sense)
Answer:
f(x)=(x+3)^2+5
let f(x)=y
y=(x+3)^2+5
interchanging role of x and y
x=(y+3)²+5
x-5=(y+3)²
√(x-3)-3=y
y=√(x-3)-3
:.inverse of f(x)=(x+3)^2+5 is f-¹(x)=√(x-3)-3
Answer:
y = (-1/80)x^2 +2x
Step-by-step explanation:
The graph of the equation for the arch will go through the points ...
(0, 0), (160, 0), (80, 80)
We can start by making use of the zeros to write the function ...
y = a(x -0)(x -160)
To make the graph go through the point (80, 80), we must have ...
80 = a(80 -0)(80 -160) = (-80^2)a
-1/80 = a . . . . . . divide by the coefficient of "a"
So, our equation is ...
y = (-1/80)x(x -160)
y = (-1/80)x^2 +2x