Answer:
Ratio is 9
Step-by-step explanation:
Common ratio can be obtained by dividing second term by first term, third term by second term etc
Therefore
99/11 = 9
891/99 = 9
The common ratio is 9
Answer:
10
Step-by-step explanation:
72 ÷ 6 = 12
120 ÷ 12 = 10
One tutor for every 12 students.
Step-by-step explanation:
4-17x^2+16=0 s
Calculate multiply
20-17x^2=0
Reoder the term
-17x^2+20=0
Calculate the discriminat
D=0^2-4x(-17)x20
Simplify
D=1360
The quadric equation has 2 real solutions
So your Solution is :
2 real solutions
Answer : 50
Explanation : All angles of a triangle add up to 180
Answer:103°
Step-by-step explanation:
because do the math
