Answer: 9°
Step-by-step explanation:
(3w + 7)° + 90° + (7w - 7)° = 180°
=> 3w + 7 + 90 + 7w - 7 = 180
=> 10w + 90 = 180
=> 10w = 180 - 90 = 90
=> w = 90 / 10 = 9°
Answer:
5.69×10²
Step-by-step explanation:
5.69×10²=569
Answer:
D.
Step-by-step explanation:
4x⁶-9 = (2x³)² - (3)²
Well the variance is how close or far the points are from the mean.. so if it is a large variance then the sample with be very spread out. If your variance is large then your standard deviation is also large.
Given a data on the relationship between the number of students that have ever gone snowboarding and <span>the number of students that own a skateboard.</span>
Given from the survey that <span>35
of the 99 students who own a skateboard have snowboarded and there
were 13 students who have snowboarded but do not own a skateboard, and
147 students who have never gone snowboarding and do not own a
skateboard.
We represent the above information in a two</span> way frequency table.
Have Snowboarded Never Snawboarded Total
Skateboard 35 64 99
No Skateboard 13 147 160
Total 48 211 259
