Answer:
v = Δs/Δt
Step-by-step explanation:
This: Δs is the change in speed or can also be the rate
This: Δt is the change in time
Answer:
630-420=210
Step-by-step explanation:
630 is miles to go and 420 is miles travel
.°. 630-420=210
Answer:
αβ=c/a
α+β=-b/a
α+β=-k/2
-(α+β)²=k
-α²-2αβ-β²=k
-α²-2(1/2)-β²=k
-α²-1-β²=k
Step-by-step explanation:
I'm sure you know the formula for Pythagoras Theorem.
The formula is 
C = Your hypotenuse
A + B = The other two adjacent sides.
So you plug in the numbers

And you'll get the answer, which is 56.
Wats the question im confused