Is that all the information ? I think they’re missing something
Find the mean of the following<br>
data set.<br>
1,1,2,4,6,7,7,8,9,10,12,13,17,17,18
lisabon 2012 [21]
Answer:
8.8
Step-by-step explanation:
Add all numbers together to get 132
All number of numbers together to get 15
Divide the sum of all numbers by the number of numbers:
132/15
8.8
pls mark brainliest!
Answer:
(a)
Step-by-step explanation:
The tangent and the normal at point P are perpendicular.
Given
= 3, then
Given the gradient m of the tangent then the gradient of a line perpendicular to it is
= -
= -
→ (a)
Answer:
Step-by-step explanation:
8
Answer:

Step-by-step explanation:
Formula to find the slope:
Notice it doesn't matter for which point being y2/x2 or y1/x1.
Just to make our life easier, I choose (5,3) as our second point and (-4,1) as our first point.

=