Answer:
its the 3rd one
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
Answer:
4metres
Step-by-step explanation:
Given the height of the trail modeled by the function h(x) = -0.1x^2 - 0.3x +2.8 , where x is the horizontal distance in kilometers
The horizontal distance occurs at the x intercept i.e at h(x) = 0
Substitute
0 = -0.1x^2 - 0.3x +2.8 ,
Multiply through by -10
0 = x^2 + 3x - 28
x^2 + 3x - 28 = 0
Factorize
x^2 + 7x - 4x - 28 = 0
x(x+7) - 4 (x+7) = 0
(x-4)(x+7) = 0
x-4 = 0 and x+7 = 0
x = 4 and -7
Since the danced cannot be negative, hence the horizontal distance of the trail is 4m
Answer:
2b
Step-by-step explanation:
a/b = 2/3
3a = 2b
8th term = 256/729
Step-by-step explanation:
Ratio = a2/a1
2/3 = a2/6 a 2=2/3*6 =12/3 =4 a2=4
1) 6* 2/3=4
2) 4*2/3=8/3
3) 8/3*2/3 = 16/9.......
