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
stepan [7]
2 years ago
10

The height of a skydiver jumping out of an airplane is given by n = -16t^2 + 3200. How long will it take the skydiver to reach t

he ground? Round to the nearest tenth of a second.
Mathematics
1 answer:
Savatey [412]2 years ago
5 0

Answer:

0 = -16t² + 3200 → 16t²= 3200 → t² = 200 → t = 10√2 s ≈ 14 s

You might be interested in
A painter takes 2 3/5 hours to paint a wall. How many hours will the painter take to paint 8 walls if she works at the same rate
Naya [18.7K]
2 3/5 X 8 = 20.8 hours

7 0
3 years ago
Read 2 more answers
What is the x-intercept of the equation -7x+3y=21
mezya [45]
Hello!!

Well, the x-intercept is found when y = 0, so plug in y = 0:

-7x + 3(0) = 21
-7x = 21
x = -3

Therefore, the x-intercept of -7x + 3y = 21 is -3.

Hope this helps!! Let me know if you have ANY questions.
7 0
2 years ago
Read 2 more answers
Write a cosine equation with the following properties:
Brums [2.3K]

Answer:

Write a cosine equation with the following properties: Amplitude: 3. Period: 2pi. Midline: 2. Phase shift: 4 units shifted left. In the form of: y=a cos b(x-h) +k.

4 0
2 years ago
A sphere has a radius of 3 centimeters. What is the volume of the sphere?
iris [78.8K]

Answer:

Volume = 113.1 cubic cm

Step-by-step explanation:

Volume = \frac{4}{3} \pi r^3 = \frac{4}{3} \pi 3^3 = 4 \pi \times 9 = 36 \pi=113.1 cm^3

6 0
3 years ago
Read 2 more answers
For the function f(x)=x^2, what effect will multiplying f(x) by 1/2 have on the graph?
erma4kov [3.2K]
For the function f ( x ) = x² we have the new function f 1 ( x ) = 1/2 x².
f ( x ) = a · x²
- If |a| < 1   the graph is compressed vertically by a factor of a.
- If |a| > 1  the graph is stretched vertically by a factor of a.
Here:  a = 1/2 < 1
Answer:
C. The graph will be compressed vertically.
5 0
3 years ago
Other questions:
  • I was having trouble solving #25 of this packet. Can you help?
    5·1 answer
  • I dont understand do I multiply four to get the area?
    15·2 answers
  • A plane flew for six hours. For two hours the average speed was 264mph. For four hours the average speed was 490mph. How far did
    10·1 answer
  • How do I find the angle measure for 2?
    5·1 answer
  • A cube has side lengths of 3.5 mm. What is the surface area of the cube? Enter your answer in the box.
    9·1 answer
  • 2. Find the Unit price per can if it cots $3 for 6 cans of sodas. Round To the nearest hundredths. $0.5 per can $0.6 per can
    7·1 answer
  • Round your answers to one decimal place, if necessary.
    14·1 answer
  • Please help!
    8·1 answer
  • HEEEEELLLLLLLLLLLLPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!
    10·2 answers
  • Jerome solved a system of equations and found that it had an infinite number of solutions. Which system could be the system that
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!