Answer:
factor:
x^2+2x+2x+4
x(x+2)+2(x+2)
(x+2)(x+2)
100x^2+20x+1
100x^2+10x+(10x+1)
10(10x+1)+(10x+1)
(10x+1)(10x+1)=(x+2)(x+2)
Hope this helps you
Answer:
12 miles
Step-by-step explanation:
you would multiply 4/9 by 27 and you would get 12 miles in total.
No because spheres are not polyhedra
Answer:
It depends on the problem
Step-by-step explanation:
Often, you want one or another of the lengths in the right triangle. The Pythagorean theorem gives a relation between the squares of those lengths, so you take the square root as a last step. The last step may be to simplify that square root.
Answer:
A matched-pairs hypothesis test for μD
Step-by-step explanation:
The trainer wants to compare each athlete's time before the program to the time after the program. Since we're comparing times for the same athlete, the data is paired, so we should use a matched-pairs test.
