Answer:
x^2+0x+(-x^2)=0
Explanation:
x^2+0x+(-x^2)=0
Anything multiplied by 0 is equal to 0
x^2+0+(-x^2)=0
x^2+(-x^2)=0
A positive and a negative makes a negative
x^2-x^2=0
0=0
For these types of problems, play around with multiplying by 0 and adding negatives.
I hope this helps! Please comment if you have any questions.
Answer:
Step-by-step explanation:
No. Of miles Yelina plan to run =5.6 miles
No. Of miles Yelina ran today = 3.1 miles
So we have to minus both the no.
=2.5 miles
Thus 2.5 miles left for her to run today
Answer:
Step-by-step explanation:
Average rate equals the negative of delta concentration of reactants
Answer:
Given formula is :
S = 
We have p = 8500
r = 12.7% or 0.127
(a) when t = 18 months or
years
S = 
=
=
= 1.20985
S = $10283.73
(b) Investment doubles means S = 


=> 
Taking log on both sides

We get t = 5.45 years