Answer:
31 raffle tickets
Step-by-step explanation:
23.25 divided by 0.75 = 31
Answer:
Answer: 45 ∘ and 135 ∘
Step-by-step explanation:
Delta Math
Answer:
x²=5-x
x²+x-5=0
1x²+1x²-5=0
[ax²+bx²+c=0]
∆=b²-4ac
∆=1²-4(-5)(1)=1+20=21
x=(-b±√∆)/2a
x=(-1±√21)/2
meaning:
x=(-1+√21)/2 or x=(-1-√21)/2
A unit rate compares a quantity to one unit of measure. You often see the speed at which an object is traveling in terms of its unit rate.
