An equation has an equals sign, while an expression does not.
Answer:
D. 21
Step-by-step explanation:
The equation tells you xy = k. Substituting the given values, you get ...
7·3 = k
21 = k
Answer:
X+Y=20
Step-by-step explanation:
(x+2)2+(y-4)2=36
2x+4+2y-8=36
2x+2y=36+4
X+Y=20
Final answer
X+Y=20
A) SA= r^2 or surface area is equal to pi(3.14...) times radius of circle raised to the second power
B)
200/2=100
Radius=100ft
SA= r^2
SA= 100^2=31415.93
SA=31415.93ft2