1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sholpan [36]
3 years ago
14

You drop a feather from a height of 160 centimeters. The function h= -16x^2 + 160 represents the height H (in centimeters) of th

e feather after x seconds. How long does it take the feather to touch the ground?
Mathematics
1 answer:
natka813 [3]3 years ago
8 0

Answer:

3.16

Step-by-step explanation:

At the ground, h = 0.

h = -16x^2 + 160

0 = -16x^2 + 160

16x^2 = 160

x^2 = 10

x = +\- sqrt(10)

Since we cannot have a negative time, we discard the negative answer.

Answer: 3.16 seconds

You might be interested in
Solve j ÷ 3 1/2 for j= 9/10<br><br>A) 4 1/5<br>B) 3 3/10<br>C) 9/35
emmasim [6.3K]
The answer is C) 9/35.
5 0
3 years ago
120% of 120 is what number?
Karo-lina-s [1.5K]

Answer: 1!

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Graphs which present the values on the horizontal axis and the number of times this occurs on the vertical axis are known as wha
Ivanshal [37]

Answer:

The horizontal axis represents TIME

Step-by-step explanation:

In a time-series plot, the horizontal axis represents time, and the vertical axis represents the value of the variable we are measuring. -The values of the variable are plotted at each of the times, then the points are connected with straight lines.

3 0
3 years ago
Which expression is equivalent to-2-7? Subraction with Intergers
vlada-n [284]

Answer:

-7-2

Step-by-step explanation:

5 0
3 years ago
8m 56mm change into mm​
Eduardwww [97]

Answer:

8056 mm

Step-by-step explanation:

1 m=1000 mm

(8×1000)mm+56 mm

=8000 mm+56 mm

=8056 mm

3 0
3 years ago
Other questions:
  • What are the solutions to the equation (x – 6)(x + 8) = 0?
    5·2 answers
  • I really need help (the picture of the problem is attached, you must zoom out)
    5·1 answer
  • Need help here, please.
    5·1 answer
  • What is the gcf of 42 and 84
    8·2 answers
  • SOMEONE PLEASE HELP ASAP!!! WILL GIVE BRAINLIEST!!!!!!!!!!!!
    15·1 answer
  • What is the missing statement in step 10 of the proof?
    15·1 answer
  • 1/8% as a decimal and fraction
    13·1 answer
  • 5. A cyclist and bike have a total mass of 102 kg and a speed of 17 m/s.calculate the kinetic energy?
    13·1 answer
  • CAN SOMEONE PLS HELP
    6·1 answer
  • Please help me with this math problem
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!