Given:
The sequence is 25, 20, 15, 10, 5.
To find:
The ninth term of the given sequence.
Solution:
We have,
25, 20, 15, 10, 5
It is an AP because the difference between two consecutive terms are same.
Here,
First term (a) = 25
Common difference (d) = 20-25
= -5
The nth terms of an AP is
Where, a is the first term and d is the common difference.
Putting a=25, n=9 and d=-5 to get the 9th term.
Therefore, the ninth term of the given sequence is -15.
Answer:
3.14
Step-by-step explanation:
A=π*r^2
3.14*(2^2)
3.14*4
12.56/4 (because it's 1/4th a circle)
3.14.
Answer:
3
Step-by-step explanation:
- <em>Each of the seven happy clowns has a red nose.</em>
This means there are (15-7) 8 sad clowns.
- <em>Five of the sad clowns have red noses. </em>
This means out of 8 sad clowns, 5 have red noses. So the clowns that have to act sad and have red noses are (8-5) 3.
Answer:
63
Step-by-step explanation:
-7 * -9 = 63
negative times negative is always positive:)
Answer:
C, C
Step-by-step explanation:
1. The opposite sides are equal length and parallel, so this is a parallelogram.
Answer C.
2. The length of the midsegment of a trapezoid is the average of the lengths of its top and bottom.
9.2 = 1/2 (12.6 + x)
18.4 = 12.6 + x
x = 5.8
Answer C.
