Answer:
The awnser is C. but please know I may be wrong
Step-by-step explanation:
<span>a4 = 3*4 = 12. Answer: 3,6,9,12. 3) an = 3n – 5 a1 = 3*1-5 = -2 a2 = 3*2 – 5 = 1 a3 = 3*3-5 = 4 a4 = 3*4 – 5 = 7 Answer: -2,1,4,7. 5) an = 3n a1 = 31= 3 ... 21) an = (-1)n; a50. Answer: a50 = (-1)50 = 1. 23) an = ;a12. Answer: #25-40: write an expression for the nth term of the sequence. 25) 2,4,6,8,10…. Answer: an = 2n ...</span><span>
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Answer:
r * 10
Step-by-step explanation:
* stands for multiplying.
15 people
8 older than 30
9 have facial hair
over 30 and facial hair= 5/15
5/15= 33.3%
Answer:
1.
by using Pythagoras theorem
h²=p²+b²
h²=12²+40²
h=√1744
AB=42
2.
x+48°+90°=180°{sum of interior angle of triangle}
x=180°-138°
x=42°