It gives function: h = -16t^2 + 40
water is when height is 0 so solve for 0= -16t^2 + 40
subtract 40 from both sides: -40 = -16t^2
divide by -16: -40/-16 = t^2
simplify: 5/2 = t^2
square root both sides: 1.58 = t
the orange hits the river in 1.58 seconds.
Answer:
its 8 cause 2 times x is 40 40+-40= 0 so 2 times 4 is 8
Step-by-step explanation:
Ms. Alonzo received 400 markers because one tenth of 4000 is 400. Hope this helped!
13.3cm rounded to the nearest 10th
