Answer:
We can use three solution and they are
(1)completing the square
(2)quadratic formula
(3) factorisation method
Answer:
Step-by-step explanation:
let the number =x
then
x²-124=200
x²=200+124
x²=324
x=18
Answer:
2,000
Step-by-step explanation:
write out an equation that represents the problem. the original price X fell by 15% to a new price of 1700:
X - (X*15%) = 1700
X(1-0.15) =1700
X=1700/(1-0.15)
X=2,000
convert 15% to decimal form:
15%=0.15
Answer:
the area of the rhombus is 56 square inches
