balindawmcdotlzzo balindawmcdotlzzo

03-08-2017
Mathematics

contestada

the height of an object dropped from the top of a 320-meter building is given by h(t)= -5t^2+320. how long will it take the object to hit the ground

Respuesta :

raindieou3j5e raindieou3j5e

03-08-2017

0=320-5t^2
320=5t^2
t^2=64
t^2=8^2
t=8

Answer Link

Otras preguntas

How is domain of the function f(x)=tanx restricted so that its inverse function exists?

What did the Constitutional Convention think was so great about the Electoral College, according to Hamilton?

pick a stance, on wether socail media affects mental health sucha as anxiety, suiculity, and depression? PLEASE I NEED ANSWERS

chandra is training for a race. She ran 3/4 mile each day for 6 days?

An extended ratio compares three or more numbers. In the extended ratio a:b:c, we have the ratio A:b,c and a:c

A purchaser of electric relays buys from two suppliers, A and B. Supplier A supplies two of every three relays used by the company. If 60 relays are selected at

who founded ancient Rome.

Some of the Issues and Concerns from the public about GMOs in food and agriculture include: a. Uncertainty about safety b. Regulatory issues c. Right of cho

Which feature forms at this plate boundary?

McKenzie has enough paint to paint 108 square feet. She wants to paint her garage door, which has a height of 12 feet the garage door is in the shape of a recta