Answer:
f(-5)
Step-by-step explanation:
because if X=-5 you just replace all of the X's in the equation. the whole equation would be f(-5) 45(-5)+40
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:
c
Step-by-step explanation:In order to have a mixed number there must be a whole fraction and a fraction next to it.
Answer:
10 minutes
Step-by-step explanation:
Easily figured out by using your fingers and brain math
20% or 2 cm 1 dm = 10 cm.