Answer:
A
Step-by-step explanation:
Calculation seems correct to me, with d the distance and h the height of the plane, and i got the same value. Closest value is A tho, so i'd stick with it.
If you want to be pedantic about it, you can always divide the heigth by each value, and get the inverse tangent of each value. With A you get 17.995 which seems the best value you get
Step-by-step explanation:
√a is defined only when a >= 0.
Therefore for √4x * √(x + 2) to be defined, both 4x and x + 2 must be non-negative.
When 4x >= 0, x >= 0.
When x + 2 >= 0, x >= -2.
x >= 0 and x >= -2, therefore we have x >= 0. (D)
Answer:
A) There is a pretty strong positive linear relationship between sales of firewood and cough drops.
Explanation:
Correlation coefficient: It is used to analyze the relationship between two variables, the greater it is the stronger the relationship will be.
- Sales of firewood affects cough drops, they have a direct and strong positive relationship.
From the given data, the value of N is equal to 5, The value of X is equal to 2. Since 38% of the consumers are comfortable with drone, this makes the value of P equal to 0.38. And now using the equation to find Q = 1 - P, where P is 0.38, we now get 1 - 0.38, therefore Q = 0.62. To summarize, N =5; X = 2; P = 0.38; Q = 0.62
Answer:
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