Check the picture below
notice, using the 30-60-90 rule, since that triangle is a 30-60-90 triangle, we get 11 = 2x
I would say that it is either <span>B. Multiply the second equation by 4. Then add that result to the first equation or </span><span>D. Add the two equations together </span>
ANSWER:
The average burnout time of a large number of bulbs has a sampling distribution that is close to Normal.
STEP-BY-STEP EXPLANATION:
The cental limit theorem states, that id the sample size is large (30 or more), then the sampling distribution of the sample means is approximately normal with mean ц and standar deviation б/
Thus the correct answer is the average burnout time of a large number of bulbs has a sampling distribution that is close to Normal.
Answer:
hope it helped
Step-by-step explanation:
2nd one is the answer
Answer:
18/5 or 36 necklace
Step-by-step explanation:
kendell made 2/5 necklace in 1/9 hours
how many will she make in 1 hour
hmmm?
2/5 = 1/9
x = 1
2/5 × 1 = 1/9x
x = 2/5 ÷ 1/9
x = 2/5 × 9/1
x = 18/5
x = 3.6necklace