Answer:
n = 25
Step-by-step explanation:
Add to both sides.
n = 17 + 8 = 25
Answer:
Step-by-step explanation:
Z score is the number of standard devations above the mean.
For example if z=1, the data value is 1 st. dev. above the mean.
So, z=1.95, so the player's heigh is 1.95 st. dev. above the mean.
2(30+x-6)-20
This should help, comment if you have any further questions <3
Answer:
219 Seconds ; He was 1 second faster
Step-by-step explanation:
Two halfs equal one whole, meaning both of the times added will equal the full time he took:
95+124=219
219 Seconds
He was 1 second faster because:
219-218=1
By the way the question is worded, I would say you undo addition by subtraction. I hope this helped!