Answer:
Step-by-step explanation:
The regular polygons that can be used to form a regular tessellation are an equilateral triangle, a square, and a regular hexagon.
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Answer:
The population of a Texas City in 1,995 was
Step-by-step explanation:
we have
we know that
The population in 1,995 is for
so
substitute the value of in the function f(x)
Answer:
3)
-3.6; since - times + is -ve
4)
360 ; since - * - *- * - is +ve
5)
24 ; since - * - is +ve
So the formula for price change is amount of change / original price * 100
50-40
= 10
10/50*100
= 1/5*100
= 20%
Answer:
We conclude that that there is enough evidence to support the claim mean credit card debt for individuals is greater than $5,100.
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = $5,100
Sample mean, = $ 5,270
Sample size, n = 27
Alpha, α = 0.10
Sample standard deviation, s = $550
a) First, we design the null and the alternate hypothesis
We use one-tailed t test to perform this hypothesis.
b) Formula:
Putting all the values, we have
c) Now,
Since,
d) We fail to accept the null hypothesis, and accept the alternate hypothesis.
e) We conclude that that there is enough evidence to support the claim mean credit card debt for individuals is greater than $5,100.