Answer:
Step-by-step explanation:
<u>This is a sum of the first n terms of an AP:</u>
<u>The true sum is between 92 and 145:</u>
- 92 < n(n + 1)/2 < 145
- 184 < n(n + 1) < 290
- 184 < n² + n < 290
- 185 < (n + 1/2)² < 291
- √185 < n + 1/2 < √291
- 14 ≤ n < 17
<u>Let n = 14</u>
<u>Let n = 15</u>
<u>Let n = 16</u>
Answer:
option 3
Step-by-step explanation:
the ray is an angle bisector and divides the opposite side into segments that are proportional to the other two sides , that is
=
( cross- multiply )
4x = 5(12 - x)
4x = 60 - 5x ( add 5x to both sides )
9x = 60 ( divide both sides by 9 )
x = 
None of the choices are the value of x
Answer:
avg speed is 3.5 miles per hour
Step-by-step explanation:
1.75 x 2 = 3.5 miles per hour
The answer is<em> </em><em>D</em>.
I hope this helps
Answer:
C11=-2
C22=8
hope this will help you more
good luck