If a is 4 and b is 6, what is the value of this expression? sqrt(a^2+2b-3)
Plug in our values for a and b:
sqrt(4^2+2(6)-3)
sqrt(16 + 12 - 3)
sqrt(25)
5
A rectangle is cut in half to create two squares that each has an area of 25. What is the perimeter of the original rectangle?
A. 20
B. 25
C. 30
D. 50
Area of a square:
A = s^2
We're given A = 25:
s^2= 25
s = 5
This means the rectangle width is 5.
The rectangle length is 2(5) = 10...
A Sales Manager buys antacid in bottles by the gross. If he goes through 3 bottles of antacid everyday, how long will the gross last?
Calculate a gross
A gross equals 144 because 1 gross = 12 dozen
12 dozen * 12 items/dozen = 144
Answer
Days lasted = Total Bottles / Bottles per day
Days lasted...