the answer is 1 and 4
Start by subtracting, so on #1 subtract 5-8, 8-11, 11-14
then go up to x, -2--1, -1-0, 0-1
Answer:
A. Because the sample size is very large.
Step-by-step explanation:
The sample is quite large, so the t test is safe. With a sample size of at least 100, this test is going to be safe.
So the correct answer is:
A. Because the sample size is very large.
Answer:
The equation of the circle can be written as:
Step-by-step explanation:
The general equation of a circle with center and radius is:
In our example, we know , as we just have to make sure we need determine .
As the circle passes through (10, 14), that pair of values for x and y must satisfy the equation. So we have:
Thus the equation of the circle can be written as:
128
This question requires us to solve an infinite GP
As we can see the first unit is 16 wide, then 8, then 4 and so on; this can be written as
∞ (64 used as 16*4 = 64 is the area of the first rectangle)
We have ∞ where a is the first term and r is the common ratio of the GP for summing an infinite GP.
here we have
Therefore
∞
Learn more about GP here
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