Answer:
6, 24, 54 and 600
Step-by-step explanation:
To find the first 3 terms, substitute n = 1, 2, 3 into the formula, that is
6(1)² = 6 × 1 = 6
6(2)² = 6 × 4 = 24
6(3)² = 6 × 9 = 54
The first 3 terms are 6, 24, 54
Substitute n = 10 into the formula for 10th term
6(10)² = 6 × 100 = 600
The domain of the function given are:
y=cot x
{x∈R: πn<x<π(n+1)} where n any integer
y=csc x
{x∈R: πn<x<π(n+1)} where n any integer
y=cos x
R (all real numbers)
y=sec x
{x∈R:π(n+1/2)<x<π(n+3/2)} where n is all integers.
from above we see that the the function that has a domain of all real numbers except npi is y=cot x and y=csc x
Answer: Stratified random sampling
Step-by-step explanation:
- A sampling technique that involves the split of a population into smaller groups known as strata on the basis of some categories and then selecting individuals from each strata is known as Stratified random sampling.
Here, group of mean and women are two strata, and selecting individuals from each of them .
That means, this sampling method is "Stratified random sampling".
Answer:
Part a) The area of the pool is
Part b) The area of the pool and the walkway is
Step-by-step explanation:
we know that
The area of the rectangle is equal to
where
L is the length side
W is the width side
Part a) What is the area of the pool?
we have
substitute the values
Part b) What is the area of the pool and the walkway?
we have
substitute the values
Subtract 1 from 20 because the carpet is 1 foot away from each long side then multiply 19 x 8=152