Given = b = 20cm, A = 500cm2 l=?
A = l×b,
500= l×20
l= 25
<em>THE LENGTH IS 25 CM</em>
Answer:
454
Step-by-step explanation:
The formula for this arithmetic sequence is: 9n+4
1st term: 9(1)+4 = 13
2nd term: 9(2)+4 = 22
3rd term: 9(3)+4 = 31
4th term: 9(4)+4 = 40
.
.
.
50th term: 9(50)+4 = 450+4
= 454
(x<span> + </span>9)(x<span> – </span>1<span>) = 0. </span>x<span> = -</span>9<span> or </span>x<span> = </span><span>1</span>
Answer: 78.5 ft
Step-by-step explanation: 25 times 3.14