Kenja could travel 60 miles and hour and travel one mile every minute
Answer =1
6x+2=9x-1
-3x=-3
X=1
To solve using completing square method we proceed as follows:
x^2-10x+8=0
x^2-10x=-8
but
c=(b/2)^2
c=(10/2)^2=25
thus we can add this in our expression to get
x^2-10x+25=8+25
factorizing the LHS we get:
(x-5)(x-5)=33
(x-5)^2=33
getting the square roots of both sides we have:
x-5=+/-√33
x=5+/-√33
Answer:
84.474 feet
Step-by-step explanation:
The reason you can use simple multiplication is because of the units:
46.93 ft/sec x 1.8 sec would equal 84.474 ft ⋅ sec
However, the seconds cancel out, leaving you with just the distance traveled.
The reason the answer is 84 instead of 84.474 is because the number 1.8 only contains two significant figures.