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Readme [11.4K]
3 years ago
13

Evaluate the following expression. 7^0

Mathematics
1 answer:
Olegator [25]3 years ago
3 0
Anything raised to 0 is 1
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In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they
Arte-miy333 [17]

Answer: 0.22

Step-by-step explanation:

We know that the best point estimate for the difference between two population mean is the difference between their sample means.

Given : For the 39 randomly selected upperclassmen, the sample mean was 0.12 and sample standard deviation was 0.42. For the 35 randomly selected underclassmen, the sample mean was 0.34 and the sample standard deviation was 0.87.

Let A denotes the population of upperclassmen and B denotes the population of underclassmen .

\overline{x}_A=0.12

\overline{x}_B=0.34

Then, the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen will be :-

\overline{x}_B-\overline{x}_A=0.34-0.12=0.22

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3 years ago
What is the The range of y = square root X-5 – 1
Step2247 [10]

Answer:

[-1, infinity)

Step-by-step explanation:

I must assume that you meant y = √(x - 5) - 1.

The range of the square root function is [0, infinity.

If 1 is subtracted from the square root function, the range of the resulting function is [-1, infinity).

3 0
3 years ago
A password is 4 characters long, consisting of 2 letters and 2 numbers. The password must begin and end with a
Kisachek [45]

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a.

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Step-by-step explanation:

4 0
3 years ago
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Create a number pattern that follows the rule
vazorg [7]

Answer:

The pattern form is 8,15,34,71 which follows the rule x^3+7

Step-by-step explanation:

Given : Rule x^3+7

To find : Create a number pattern that follows the rule. Use at least three terms in the pattern ?

Solution :

Rule x^3+7

Put n=1,

x^3+7=(1)^3+7

x^3+7=1+7=8

Put n=2,

x^3+7=(2)^3+7

x^3+7=8+7=15

Put n=3,

x^3+7=(3)^3+7

x^3+7=27+7=34

Put n=4,

x^3+7=(4)^3+7

x^3+7=64+7=71

The pattern form is 8,15,34,71 which follows the rule x^3+7

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3 years ago
What is the answer to both sides of this inequality 5x−4≥12 OR 12x+5≤−4
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