Which function's graph has a y-intercept of 2?
1 answer:
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Answer:
There are <u>72 inches</u> in 6 feet.
Step-by-step explanation:
Given:
There are 12 inches in 1 foot.
Jada is working on improving her vertical jump.
Currently, her standing reach is 6 feet from the ground.
Now, to find the inches in 6 feet.
Let the inches in 6 feet be
As given:
In 1 foot there are 12 inches.
<em>So, 1 foot is equivalent to 12 inches.</em>
<em>Thus, 6 feet is equivalent to </em><em />
Now, to find using cross multiplication method:
<em>By cross multiplying we get:</em>
So, the inches in 6 feet = 72.
Therefore, there are 72 inches in 6 feet.
Answer:
Step-by-step explanation:
information given
represent the sample mean
represent the population standard deviation
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
z would represent the statistic
represent the p value for the test
Hypothesis to test
We want to test if the true mean is less than 12, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info given we got:
We can replace in formula (1) the info given like this: