Answer: 76
Step-by-step explanation:
well, we know that 15% of the X is 12, so we first use 6 15%, which is 90% 6X12=72. next, we would use 12/3, which is 4. 72+4=76.
Answer: 2.5, 5.4
Step-by-step explanation:
![-16t^2 +126t=213\\\\16t^2 -126t+213=0\\\\t =\frac{-(-126) \pm \sqrt{(-126)^2 -4(16)(213)}}{2(16)}\\\\t \approx 2.5, 5.4](https://tex.z-dn.net/?f=-16t%5E2%20%2B126t%3D213%5C%5C%5C%5C16t%5E2%20-126t%2B213%3D0%5C%5C%5C%5Ct%20%3D%5Cfrac%7B-%28-126%29%20%5Cpm%20%5Csqrt%7B%28-126%29%5E2%20-4%2816%29%28213%29%7D%7D%7B2%2816%29%7D%5C%5C%5C%5Ct%20%5Capprox%202.5%2C%205.4)
I am pretty sure it is linear decrease,
Answer:
A. -2, x= -2
Step-by-step explanation:
Not an answer, but we need the info on the table...