Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Answer:
A
Step-by-step explanation:
Volume varies directly with the square of the radius, so:
V = k r²
When V = 80, r = 4.
80 = k (4)²
k = 5
V = 5r²
When r = 3:
V = 5 (3)²
V = 45
The flow is 45 L/min.
Answer:
hey aneesh it is bill i see ur trying to cheat on the snapshot
Step-by-step explanation:
dont think i dont see u tryna cheat
the answer is 25 btw
step by step explanation:
x + 5x = 150
25 x 5 = 125
125 + 25 = 150
x = 25
im telling ms brake
i already finished the snapshot btw
Answer: 3.602
Step-by-step explanation:
