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Answer:
23
Step-by-step explanation:
Let J represent Jiri's age. Then Pamela's age is 2J and the sum of their ages is ...
J + 2J = 69
3J = 69 . . . . .collect terms
J = 23 . . . . . . divide by 3
Jiri's age is 23.
Can you tell us what the statement is and what we have to fill in please?
Answer:
The two sample t-test
Step-by-step explanation:
The appropriate test for thus is the two sample t test which is also known as the independent t test. This tests aims at determined whether there is a statistically significant difference between the means in two unrelated groups which in this context are a random sample with one type of preservative and another sample with another type of preservatives.
With this test, the researcher is able to compare the mean shelf lives of the bananas treated with the two different preservatives... The null hypothesis equalises the two means of the sample while the alternative does otherwise.
Answer:
The area of the label is 
Step-by-step explanation:
step 1
Find the radius
we know that
The volume of the cylinder (can of tuna) is equal to

In this problem we have


substitute and solve for r

Simplify



step 2
<em>Find the lateral area of the can</em>
The lateral area of the cylinder (can of tuna) is equal to

we have


