You could do 28 times 3, which is 84 or 30 times 3, which 90
Answer:
12, 21, 30, 39, 48, 57, 66, 75, 84.
Ninth term is 84.
Step-by-step explanation:
The rule for this sequence is "add 9".
So, using this rule, we can do......
12, 21, 30, 39, 48, 57, 66, 75, 84.
<em>Remember to add 9 each time!</em>
Best of luck :3
Answer:
14 units^2
Step-by-step explanation:
Hey there!
In order to find the area of this triangle, we need to find the base and height of the triangle
the base of the triangle is 7 units long and the height of the triangle is 4 units high
Formula for area of triangle: Base x Height x 1/2
7 x 4 x 1/2 --> 28 x 1/2 --> 14
So, the area of this triangle is 14
Now the question is asking to find the area by forming a parallelogram
All you have to do for this is duplicate that same triangle, and mirror it upside down
Then all you would have to do is find the Base and the Height and multiply them together
Solution: We are given:
Using the empirical rule, we have:
covers 68% of data.
Also the percentage of values below mean = Percentage of values above mean = 50%
Now, let's find the z score for x=20
Therefore, the percentage of values greater than 1 standard deviation above mean 
Expected number of students = 16% of 100 = 16
