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
Anastaziya [24]
3 years ago
7

A rocket is fired upward from the ground with an initial velocity of feet per second. Neglecting air​ resistance, the height of

the rocket at any time t can be described in feet by the polynomial . Find the height of the rocket at .
Mathematics
1 answer:
victus00 [196]3 years ago
4 0

Complete question is;

A projectile is fired upward from the ground with a velocity of 250 feet

per second. Neglecting air resistance, the height of the projectile in feet at

any time t, in seconds, can be described by the polynomial function P(t) = -16t² + 250t. Find the height at t = 4 seconds

Answer:

744 ft

Step-by-step explanation:

We are told that the height of the rocket is represented by the polynomial P(t) = -16t² + 250t

Where t is time in seconds.

Now, we want to Find the height at t = 4 seconds

Thus;

P(4) = -16(4²) + 250(4)

P(4) = -256 + 1000

P(4) = 744 ft

You might be interested in
The expression x-2 has a value of -5 for some value of x. For the same value of x, what is the value of the expression (x-2)²+5x
solong [7]

Answer:

-10

Step-by-step explanation:

Assuming that x-2=-5, we can subtitute it into the equation as follows:

(-5)^2 + 5(-5) - 10, we start off with the exponent according to the order of operations resulting in:

25 + 5(-5) -15, then we do the multiplication next:

25 + (5 * -5 = -25) so:

25 + -25 - 10, the 25s cancel each other out and your left with:

0 - 10 which equals -10

8 0
3 years ago
A 20” Square is being copied at 25%. What are the dimensions of the New square after being copied?
Triss [41]

Answer:

5"

Step-by-step explanation:

You are copying a square of side 20 inches into a smaller version of it that is exactly 25% of the original size.

Notice that 25% can be written in fraction form as: \frac{25}{100} = \frac{1}{4}

This gives us a clue about how to reduce the original dimension: "multiply it by \frac{1}{4}, which is the same as divide it by 4:

20" * \frac{1}{4} = \frac{20"}{4} = 5"

6 0
3 years ago
Which of the following linear equations has exactly one solution?
Andrei [34K]
D the answer is because
3 0
3 years ago
How do you find income tax?
dem82 [27]
Multiply the entire cost by 0.08 and that will be the tax. For example if a toy is a dollar then the tax will be eight cents.
7 0
3 years ago
"three food trucks are set up at points a, b, and c. each of the three trucks is the same distance from the food distributor. at
jolli1 [7]

Answer:

circumcenter

Step-by-step explanation:

Suppose the three food trucks points a,b,c are joined together in such a way that the form a triangle. The perpendicular bisectors of the triangle are concurrent . The point of concurrency is called <u>circumcenter.</u>

According to the circumcenter theorem the points ( vertices of the triangle  a,b,c) are equidistant from the center D ( point of concurrency) called the circumcenter.

As the food distributor is equidistant from each of the trucks it lies at the circumcenter point of concurrency.

The drawing is just a generalizations to give an idea. It does not show actual bisectors perpendicular.

3 0
3 years ago
Other questions:
  • Suppose that 5 cards are drawn from a well-shuffled deck of 52 cards. What is the probability that all 5 are not black?
    6·1 answer
  • Solve 4y-1=7 plz step by step
    14·2 answers
  • use the gcf of the terms to write the expression as the product of two factors with integer coefficients. -2x3 - 4x2 4x
    5·1 answer
  • What is the solution to 2(-4x+1)=2/3(x+2)
    14·1 answer
  • WHAT IS THE X COORDINATE OF 4
    15·2 answers
  • Explain the error in the solution below. What
    10·1 answer
  • What is an equation of the line that passes through the points (1,6) and (1, 2)?
    7·1 answer
  • What is the slope of the graph?
    11·2 answers
  • Four more than twenty-six time a number is equivalent to 12 times the same number less 15.
    15·1 answer
  • Does anyone know how to get Chegg for free or anyone have an account I can borrow
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!