Answer:
A.) The sum of the product of the number of terms and the number of terms plus one.
Step-by-step explanation:
So, we have the sum of the first 22 positive even numbers:
S = 2 + 4+ 6 + ... + 44
We know the sum of such sequence is given by the (sum of the first number (2) and the last number (44)) multiplied by the number of terms (11).
S = (2 + 44) * 11 = 46 * 11 = 506
Answer A tells us it should be the sum of the number of terms (22) by the number of terms plus one (22 + 1 = 23).
S = 22 * 23 = 506
That's confirmed.
Answer B would give 22 * 21 = 462, so it's not right
Answer C would give 22 * 2 = 44, obviously not right
Answer D would give 22 * 22 = 484, close but not right.
For two triangles to be similar the sides need to have the same ratio.
A and C are the correct answers.
Answer:
3.16 units
Step-by-step explanation:
The distance between the points P1 (6, 8) and P2 (7, 5)) can be solved by using the distance formula given as
.
Let,


Plug these values into the distance formula.
Thus:




d = 3.16 (nearest tenth)
Distance between the two points in the graph is approximately 3.16 units
Answer:
C
Step-by-step explanation:
I found the answer online( didnt know how to solve it)
Sets of odd sum=9
Sets of product of 6=3
Total sets=18
So (9+3)/18
Equals 12/18
Which equals 2/3
Answer:
3 feet
Step-by-step explanation:
720ft
1ft:240ft
720/240=3
3ft:720ft