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
asambeis [7]
3 years ago
6

The function h defined by h(t)=(49 + 4.9t)(10 - t) models the height, in meters, of an object t seconds after it is dropped from

a helicopter.
From what height is the object dropped? Explain how you know.
Mathematics
1 answer:
kipiarov [429]3 years ago
5 0

Answer:

Step-by-step explanation:

Let's FOIL this out and get it into standard quadratic format:

h(t)=-4.9t^2+490. The lack of a linear term in the middle means therewas no upwards velocity, consistent with the object being dropped straight down as opposed to thrown up in the air tand then falling in a parabolic path. The -4.9t² represents the acceleration due to gravity, and the 490 represents the height from which the object was dropped. The constant in a quadratic that is modeling parabolic motion always represents the height from which the object was dropped (or launched). That's how you know.

You might be interested in
HELP ME PLZ!!!!!!!!       Find the solution of this system of equations.
Strike441 [17]
Set equal to each other since both equal 90

5x-6y=-10x-6y
add 6y to both sides
5x=-10x
x=0


5(0)-6y=-90
-6y=90
divide by -6
y=-15

(x,y)
(0,-15)
7 0
3 years ago
Can someone help me pls
babymother [125]
It’s an isosceles triangle so it’s 4
5 0
2 years ago
Read 2 more answers
Is 3 yards bigger than 21 feet is 21 feet bigger than 3 yards
Kipish [7]
No because 21 ft equals 7 yd
which us bigger than 3 yd
6 0
3 years ago
Read 2 more answers
(2x1)+(2x4)=2x(?+?) what’s the ?
valina [46]

Answer:

20

Step-by-step explanation:

4 0
3 years ago
Ana drew a map of the Panama Canal in the scale Ana used for the map 4 centimeters represents 20 kilometers what is the scale fa
Ganezh [65]

Answer:

D

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • It’s Choose More than one answer Just to let you know ..and can someone please help ..please
    10·2 answers
  • A book is marked 20% off. What percent of the original price is the sales price? (What percent do you still have to pay for?) If
    15·1 answer
  • Help me please picture is attached
    8·2 answers
  • Is this correct? please help I thought that what I did was correct but just to be correct.
    10·2 answers
  • The number a exceeds the number b by 50 percent. By what percent is the number b smaller than the number a?
    14·1 answer
  • At a benefit​ concert, seven bands have volunteered to perform but there is only enough time for five of the bands to play. How
    12·1 answer
  • 12.5% of $100 is what number? percent proption
    6·2 answers
  • the average weight for a newborn baby is 7.5 lb. The average weight for a 1 year old is 19 pounds 10 ounces. How many ounces do
    8·1 answer
  • Su mei recipe for bean sald calls for 3 cans of lima beans 2 cans of pinto bean and 2 kidney renuin suppose she use 9 cans of li
    8·1 answer
  • Please help me i'll give brainliest
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!