martelottebeatr martelottebeatr

02-02-2021
Mathematics

contestada

Please answer fast ASAP I give brainliest

How much time does it take for the quarter to hit the water ???

Please answer fast ASAP I give brainliest How much time does it take for the quarter to hit the water class=

Respuesta :

02-02-2021

Answer:

7 seconds

Step-by-step explanation:

y=-16t²+96t+112, where t is time and y is distance above water.

We are looking for t when y=0

-16t²+96t+112=0

t²-6t-7=0

(t-7)(t+1)=0

Either t=7 or t=-1.

Since we cant have negative time, the answer is t=7

Answer Link

Otras preguntas

Aside from low birthrates and high death rates, what can cause a country's population to decline? emigration increased food supplies diffusion immigration

Tony made 14 liters of punch for the party . His guest drank 9500 mL of the punch . How much punch does he have left over?

Is this expression x+2x+3 equivalent to the expression 3(x+1)

The balanced chemical equation for the reaction between PCl5 and water is given below. If 3.45 moles of HCl are produced, how many moles of water reacted? PCl5

The sales tax in Bill's state is 6%. Bill bought a Scion having a sales tax of $820. What was the cost of the car? Round to nearest dollar.

An author uses sensory images and symbols to __________. evoke emotion and create meaning expose basic beliefs of the author distract attention away from the co

suppose there are 20 questions on a multiple-choice test. if 25% of the answers are choice B,how many of the answers are NOT choice B ?

Which of these describes osteocytes? specialized cells that protect the body from harmful bacteria specialized cells that maintain structural support specialize

Tony made 14 liters of punch for the party . His guest drank 9500 mL of the punch . How much punch does he have left over?

Divide the following polynomial using synthetic division, then place the answer in the proper location on the grid. Write answer in descending powers of x. (x^5