Answer:
y=1/4x+7
Step-by-step explanation:
Answer:
To use a paired t-test
Step-by-step explanation:
t-tests are essentially tests carried out to compare two different groups to check if there is a major difference in their performances or results which may be related in certain characteristics.
A paired (correlated) t-test is used when there are matched pair of similar units or instances of repeated measurements.
In this case, Mary has to use a paired t-test because the samples (students) have high similarity in characteristics. The students in question has to be from the same class to test her hypothesis (similar characteristics).
Answer:
x = 68
Step-by-step explanation:
pls mark me as brainliest !!
Answer:52d
Step-by-step explanation:For example, Jina has three decks. 52 times 3 equal how much cards she has.
Step-by-step explanation:
We need to find the exact value of tan 60° in simplest form with a rational denominator.
We know that, 
Here, 
So,

Hence, this is the required solution.