Well if 49 is the area, and you get area by multiplying one side by another side, and its a square so the numbers are going to be the same, so you would be multiplying two of the same numbers. And two of the same numbers that equal 49 is 7.
Answer:
Option (3)
Step-by-step explanation:
Given functions are,
f(x) = 
g(x) = log(2x)
By using a graphing utility we can draw the graphs of the given system of equations.
Common points of the graph will be the solutions of the equations,
From the graph attached,
Solution of the functions is → (0.937, 0.273)
→ (0.9, 0.3)
Option (3) will be the answer.
Answer:
-45k+72
Step-by-step explanation:
-10k +5k= -5k
16-7(-5k+8)
9(-5k+8)
-45k+72

Scientific notation for above value is ~