1 Simplify 1/2x^2 to x^2/2
X^2/2 - x+5=0
2 Use the Quadratic Formula
x=1+3ı,1−3ı
So the answer is the first one a
Answer:
d₂ = 15 cm
Step-by-step explanation:
The area (A) of a kite is calculated as
A =
d₁d₂
Here A = 120, d₁ = 16 , then
× 16 × d₂ = 120
8d₂ = 120 ( divide both sides by 8 )
d₂ = 15 cm
Answer:
20% decrease.
Step-by-step explanation:
difference over original
50.97-40.78= 10.19
diff/orig=sales tax
10.19 / 50.97= 19.99..
19.99 is approximately 20.
We don't know because we can't see it