x^2-9x-6=0
Use the quadratic formula to get (9+sqrt(105))/2 or (9-sqrt(105))/2
Option a) is the right answer
1 can go into anything so that is the mystery number sorry if not right first time on here
Answer:
25.13 (to 2 d.p)
Step-by-step explanation:
Use the formula:
Length of arc = (angle/360) X 2πr
where: angle = 180 and r = 16÷2 = 8
Answer:
x : 4
Step-by-step explanation:
The ratio of a number and 4 into algebraic phrase ;
Let the number = x
Expressing the number and 4 as a ratio in algebraic phrase will be written as :
Number : 4
x : 4