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
Monica [59]
3 years ago
13

2. A paper airplane was thrown from the top of a tall building. The height of the paper airplane above the ground can be found u

sing the function f(x) = −1.5x + 69, where x is the time in seconds the airplane has been in the air.
a. Draw the graph of the function

b. How many seconds did it take the paper airplane to reach the ground?

c. Explain your answer.

Mathematics
2 answers:
NikAS [45]3 years ago
6 0

Answer:

It takes 46 seconds for the plane to reach the ground.

Step-by-step explanation:

We are given the following in the question:

The height of the paper airplane above the ground is given by a function:

f(x) = -1.5x + 69

where f(x) is the height above the ground and x is the time in seconds.

a) The attached image shows the graph for the given equation.

As clear from the graph the unction has a y-intercept of 69 and x-intercept of 46.

b) We have to find the time taken by he plane to reach the ground.

The height of plane on ground is 0

Thus, we can write:

0 = -1.5x + 69\\1.5x = 69\\x = \displaystyle\frac{69}{1.5}\\\\x = 46

c) Thus, it takes 46 seconds for the plane to reach the ground from the top of the tall building to reach a height of 0.

alina1380 [7]3 years ago
4 0

Answer:

points of a are

Step-by-step explanation:

y=69 and x= 46

You might be interested in
At a hot-air balloon event, a person has to toss a small beanbag from a hot-air balloon onto a target on the ground. The locatio
VLD [36.1K]
40 yards I think please tell me if im wrong!
4 0
3 years ago
Could someone please answer these two
exis [7]

Answer:

SEE BELOW

Step-by-step explanation:

1. find value of m

a^2 + b^2 = c^2

7.5^2+10^2=c^2

15+100=c^2

115=c^2

square it

=10.7 (not answer)

a^2+b^2=c^2

10.7^2+30^2=c^2

114.49+900=c^2

1014.49=c^2

square it

m=31.9

2.20^2 + 21^2 = 841

29^2=841

yes the triangle is right angled !!!

hope this helps :)

6 0
2 years ago
Need help on this please
rodikova [14]

Answer:

The answer should be 113.04

6 0
2 years ago
Read 2 more answers
The lions won 16 games last year. This year the lions won 20 games. What is the percentage increase in the number of games the l
navik [9.2K]

Answer:

25%

Step-by-step explanation:

20/16=1.25

With the ".25" in the answer being the percentage increase

8 0
2 years ago
If the function f is defined by f(x) = In(logx), what is f(0.1)?
mestny [16]

Answer:

f(0.1) = i \pi

Step-by-step explanation:

Plug x = 0.1.

Therefore f(0.1) = ln (log (0.1)).

0.1 = 10^(-1), and by the definition of log, log 0.1 = -1.

Now f(0.1) = ln (-1).

By Euler's identity, e^(i pi) = -1.

So ln (-1) would be i pi.

f(0.1) = i \pi

3 0
3 years ago
Other questions:
  • What is the greatest perfect square in 650
    5·1 answer
  • Given the parent functions f(x) = log10 x and g(x) = 3x − 1, what is f(x) • g(x)?
    10·2 answers
  • Can someone plz help me I don’t understand how to do this and I am really struggling with the online stuff
    9·1 answer
  • Question 30
    9·1 answer
  • What is the surface area of a cereal box with length of 8 width of .75 and a height of 1.50
    7·2 answers
  • Plz solve anyone question​
    9·1 answer
  • Please please help, i will mark the brainliest
    10·2 answers
  • Write an equation in slope-intercept form for the line with slope 6 and y-intercept -5.
    12·2 answers
  • If the heights of 99.7% of American men are between 5' 0" and 7' 0", what is your estimate of the standard deviation of the heig
    10·1 answer
  • Which set of sides would make a right angle ?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!