The gradient of this line is 9 so the gradient of the perpendicular line is -1/9 (the two perpendicular gradients must multiply to get -1).
The equation of a line is y=mx+c
where m is the gradient and c is the y intercept
We can then just substitute values in:
y = -1/9(x) -2
Answer:
13
Step-by-step explanation:
We replace each X with a 3, so
4 + 3 + 3 + 3
which equals to 13
C because each adult and youth times the money amount would be the total. So for instance 74(2)+35(2)=218 bc that's the total. Hope I helped.
Answer:
$3,700
Step-by-step explanation:
16% of 2500=400
400×3(years)=1,200
2500+1200=3700
Answer:
8 years old
Step-by-step explanation:
46 - 14 = 32 inches of growth
32 inches / 4 inches = 8 years