Question 4 -
Mean: 20
Median: 22
Question 5 -
The median describes the data the best, because when calculating the mean, you include the outlier of 7.
Good luck! ʕ•́ᴥ•̀ʔっ♡
Answer:
The new points would be (-7, -1), (-3, -2) and (-8, 1). The angle would not change
Step-by-step explanation:
When you rotate points by 180 degrees, you simply change the sign on the ordered pairs. This will give you the new points.
Also, spinning the points will not change the angle between them. Therefore it stays the same.
Answer:
99 cm²
Step-by-step explanation:
(5 + 4) x 11 = 99
<span>Sally's rate is 1/4 job per hour.
Kathy's rate is 1/6 job per hour.
Can you solve the rest? Scroll down if you can't!
1/4 + 1/6
= 3/12 + 2/12
= 5/12
5/12 x 6 = 30/60.
Answer: It will take them half an hour combined. </span>