Answer:
9632
or
9966
Step-by-step explanation:
im not 100% sure
<span>for part (a) find the sum of the first n terms of the arithmetic series. for part (b) find n for the given sum Sn.
45. 3+8+13+18+23+...
a. n=20
b. Sn=366
46. 50+42+34+26+18+...
a. n=40
b. Sn=182
47. -10+(-5)+0+5+10+...
a. n=19
b. Sn=375
48. 34+31+28+25+22+...
a. n=32
b. Sn=-12
49. 2+9+16+23+30+...
a. n=68
b. Sn=1661
50. 2+16+30+44+58+...
a. n=24
b. Sn=2178
</span>
Answer:
6/4x + -7/4 also know as 1 2/4x - 1 3/4 which simplified even further is
1 1/2x - 1 3/4
Use the distributive property to multiply 1/4 by 3x−7.
Multiply 1/4 and 3 to get 3/4
Multiply 1/4 and −7 to get -7/4
Combine 3/4x and 3/4x to get 6/4x or 3/2x.
