Answer:
9
Step-by-step explanation:
.9*10=10
it's basically simple multiplication with a decimal
Gm, it’s almost night for me
Answer:
7-x
Step-by-step explanation:
49 - x^2 is a perfect square so
it factors to :(7+x)(7-x)
since there is a negative in 49 - x^2, it would make sense that the answer would be a negative to get that negative answer in the first place (negative times a positive equals a negative)
Forgive me for my lame explanation :')
L.C.M. of 70,60,and 50=2×2×3×5×5×7=2100
Answer:
The speed of the plane is 
Step-by-step explanation:
The vector (5,6) represents a point in the coordinate system time-position.
So, we have that at t = 5 s the position is x = 6.
Let's recall that the slope of this vector is the speed, then using the tangent definition:
I hope it helps you!
