1.=(2/3,0) 2.=(-3,0) 3.=-10 4.=need a graphing calc 5.=need a graphing calc
Answer:
1.53
Step-by-step explanation:
because 21 minus 19.47= 1.53
The correct answer for the question that is being presented above is this one: "<span>C) </span>4.2 inches." Bella has sampled the heights of 30 students at Ridgemont High and obtained a mean of 64.2 inches. He constructs a 90% confidence interval, which turns out to be (61.0, 67.4). The margin of error is <span>C) </span><span>4.2 inches </span>
Answer:
Because the coin is tossed 7 times and you get 2 outcomes (head or tail) for each one.
I think it is 36^2+12ab+b^2