Answer:
perimeter= p1+p2 +p3+p4=add all sides.
area =l×b=
(10m×14m)= 140m
Answer:
dependent-samples t test
Step-by-step explanation:
Here we want to test the effect of game Dance Dance Revolution (DDR) on heart rate.
The hypothesis is
where,
Where Xi = heart rate before playing the game Dance Dance Revolution (DDR)
Yi = heart rate after playing the game Dance Dance Revolution (DDR)
This test is paired t-test( dependent sample t test).
To measure the effect of experiment. (before - after condition)
This week she hiked : 3 + 4 + 3 = 10 miles
last week she hiked : 8 miles
subtract ------------
2 miles more this week then last week
Answer:
Step-by-step explanation:
Given
Required
Determine the common ratio
The common ratio r is calculated using:
Let
So, we have:
From the sequence:
So, the equation becomes