Answer:
14000 cm
Step-by-step explanation:
The distance between Carly's house and her friend's house is 70 meters.
If Carly walks to her friend's house and back, it is the same thing as saying that she walked a distance of 70 m twice.
The total distance she walked will therefore be:
70 + 70 = 140 m
The answer requires that it is in centimeters (cm).
Converting 140 m to centimetre:
1 m = 100 cm
140 m = 140 * 100 cm = 14000 cm
She walked a total of 14000 cm.
X + x - 32 = 180
2x - 32 = 180
2x = 212
x = 106
x - 32 = 106 - 32 = 74
the other 2 angles = 90
a(1) = 3(1)-1 = 3-1 = 2
a(2) = 3(2)-1 = 6-1 = 5
a(3) = 3(3)-1 = 9-1 = 8
So, the sequence would be 2,5,8,11....
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
![H_0:\mu_d=0 vs H_a:\mu_d\neq 0](https://tex.z-dn.net/?f=H_0%3A%5Cmu_d%3D0%20%20%20vs%20H_a%3A%5Cmu_d%5Cneq%200)
where,
![\mu_d=\frac{\sum di}{n} di = Xi-Yi](https://tex.z-dn.net/?f=%5Cmu_d%3D%5Cfrac%7B%5Csum%20di%7D%7Bn%7D%20%20%20di%20%3D%20Xi-Yi)
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)