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
DerKrebs [107]
2 years ago
11

Image of question provided

Mathematics
1 answer:
inna [77]2 years ago
7 0

Answer:

To solve this problem, we can use a system of equations.

We know the quadratic expression has the form

f(t)=at^{2}+bt

Using points (1,12) and (4,0), we can form the following system to find a and b.

12=a+b

0=16a+4b

We need to divide the second equation by -4 and sum both equations

12=a+b\\0=-4a-b

12=-3a\\a=\frac{12}{-3}\\ a=-4

Then, we use this value to find the other variable

12=a+b\\12=-4+b\\b=12+4\\b=16

<h3>Therefore, the quadratic function that models the situation is</h3>

f(t)=-4t^{2} +16t  or  f(t)=-4t(t-4)

According to this expression, after 2 seconds, the height is 16 feet.

f(2)=-4(2)(2-4)=-8(-2)=16

You might be interested in
The sum of a rational number and negative integer is rational
natulia [17]

Answer:

correct

Step-by-step explanation:

negative integers are still rational numbers if it is a whole number or complete

4 0
3 years ago
The revenue from selling x shirts is r(x) = 11x. The cost of buying x shirts is c(x) = 6x + 20. The profit from selling x shirts
oee [108]

Answer: option A is the correct answer.

Step-by-step explanation:

The expression that relates revenue, profit and cost is

Profit = Revenue - Cost

The revenue from selling x shirts is r(x) = 11x. The cost of buying x shirts is c(x) = 6x + 20. Therefore,

p(x) = r(x) - c(x)

p(x) = 11x - (6x + 20)

By expanding the bracket, the minus sign will alter each term in the bracket. Therefore,

p(x) = 11x - 6x - 20

p(x) = 5x - 20

8 0
2 years ago
Which of the following equations is quadratic?
lidiya [134]
Option A is correct as if we solve the equation We will find that the above equation can be compared to the standard quadratic equation i.e ax^2+bx+c=0
6 0
2 years ago
Can I get help......​
Ivenika [448]
The answer is C -208 degrees Fahrenheit!
6 0
3 years ago
1) P n Q'<br>2) P' U (Q n R)​
vovangra [49]
What’s the question supposed to be. or is it even supposed to be a question
6 0
3 years ago
Other questions:
  • Write 2 4 over 9 as an improper fraction
    9·1 answer
  • Select the letter of the best answer choice. Use 3.14 or 22/7 for π
    9·1 answer
  • a garden table and bench cost 652 combined. the garden table costs 98 less. what is the cost of the bench
    9·1 answer
  • Solve for x: x - 9 = 15<br><br> A. 6<br> B. 24<br> C. -24<br> D. -6
    14·2 answers
  • How do you do the last two questions?
    14·1 answer
  • Which equation represents a line that passes through the two points in the<br> table?
    9·2 answers
  • Find the range of the data. 62, 58, 67, 57, 59, 70, 69,61 The range is<br>​
    15·2 answers
  • What is the approximate percent decrease when a fish count goes down from 850 to 500? The percent decrease is approximately 40%.
    6·2 answers
  • What's the answer? 2³ x 4³ / 5⁰
    15·2 answers
  • Write an equation in POINT-SLOPE FORM of the line that has a slope of -3/5 and passes through the point (2, 1). harrryyy this is
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!