Answer:
it's 1
Step-by-step explanation:
hope this helps 1
Answer:
4/10 or 2/5 of a mile more.
Step-by-step explanation:
Since the denominators are the same, all you have to do is subtract the numerators.
9-5=10.
Therefore, Alisha hiked 2/5 of a mile further than Joseph.
Answer:
The first row
Step-by-step explanation:
Letters A,B,C,D
10% is $8.00 so 20% is $16 and 80-16= 64 so the sale cost is $64.00
(a-b) X (a+b)
= aXa - bXa +aXb -bXb (distributing)
Now, cross product of a vector with itself = 0
so, aXa = 0, bXb = 0
Also, aXb = - bXa
so,
(a-b) X (a+b) = 0 + aXb + aXb + 0
= 2aXb
hence, proved :)
