AB = midsegment
ON = 2 × AB
5x + 7 = 2 × 3x
5x + 7 = 6x
x = 7
But the midsegment = 3x
Midsegment = 3 × 7
Midsegment = 21
Answer:
Answered below.
Step-by-step explanation:
1) A double - blind study is simply an experiment in which neither the participants nor the people who carry out the experiment know who is receiving any particular treatment. This method is usually used in order to prevent a biased view in research results.
2) True because randomized simply means that subjects were assigned to the group randomly.
3) Placebo - controlled trial simply means that there was a control group that received only a placebo treatment which is mainly designed not to have real effect.
Answer:
2 Amount of stretching
Step-by-step explanation:
answer is amount of stretching because
when she's flexible then only the amount of
stretching can be determined
hope it helps
Answer:
option B
Step-by-step explanation:
because quadratic equation means x^2+ or -ax+ or-b
Answer:
(2, 1).
Step-by-step explanation:
x^2 - 4x + 5 = 0
(x - 2)^2 - 4 + 5 = 0
(x - 2)^2 + 1 = 0
The vertex is at (2, 1).
