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
frutty [35]
3 years ago
11

A hovercraft takes off from a platform.

Mathematics
2 answers:
lubasha [3.4K]3 years ago
7 0

Answer:

81 meters.

Step-by-step explanation:

The height (in meters), h(x) of a hovercraft x seconds after takeoff, is modeled by:

h(x)=-3(x-3)^2+108

We are to determine its height at the time of takeoff.

Now, at the time of takeoff, x=0.

We substitute x=0 to solve for h.

h(0)=-3(0-3)^2+108\\=-3(-3)^2+108\\=-3(9)+108\\=-27+108\\=81$ meters

The height of the hovercraft at takeoff is 81 meters.

MatroZZZ [7]3 years ago
5 0

Answer:

33

Step-by-step explanation:

KHAN SAYS SO

You might be interested in
Work out the size of angle x 126 degrees exterior and 43 degrees interior
grigory [225]

Answer:

The answer is 83°

Step-by-step explanation:

by the sum of iner and outer angle=180°

180-126= 54°

x=180-43+54

x=180-97

x=83°

hope that helped.?<3

8 0
2 years ago
Can someone help me with this please
11Alexandr11 [23.1K]

Answer:

I have no clue

Step-by-step explanation:

1. Search online

2. Never count on me again!

4 0
3 years ago
Timmy writes the equation f(x) = x – 1. He then doubles both of the terms on the right side to create the equation g(x) = x – 2.
skelet666 [1.2K]
The graph lines stay the same, however the y-intercept changes from (-1,0) to (-2,0), since it is now g(x) = x - 2, instead of f(x) = x - 1.
8 0
3 years ago
Can anyone help me wit this!!
dybincka [34]

Answer:

  • See attachment for table values
  • y₁ = y₂ for x = 6

Step-by-step explanation:

In each case, put the x-value in the formula and do the arithmetic. If you're allowed, you can save some time and effort by realizing that the solution (x) will have to be an even number.

y₁ is an integer value for all integer values of x. y₂ is an integer value for even values of x only. y₁ and y₂ will both be integers (and possibly equal) only when x is even.

For example, for x = 6, we have

... y₁ = 3·6 - 8 = 18 -8 = 10

... y₂ = 0.5·6 +7 = 3 +7 = 10

That is, for x = 6, both columns of the table have the same number (10). That is, y₁ = y₂ for x = 6. The solution to the equation

... y₁ = y₂

is

... x = 6.

3 0
3 years ago
I don’t understand the question and I can’t find anything in my notes to help
lara [203]

Step-by-step explanation:

The problem states that you have a linear function so expect your equation to have this form:

y = mx + b

where m is the slope and b is the y-intercept. You are also given two points: P1(5, 6) and P2(14, 60). Use these points to solve for the slope m.

m = (y2 - y1) / (x2 - x1) = (60 - 6)/(14 - 5)

= 54/9 = 6

So our equation now becomes

y = 6m + b

To solve for b, plug in the values of P1:

6 = 6(5) + b ---> b = -24

Therefore, our equation is

y = 6m - 24

The rest of the points are

(8, 24)

(11, 42)

7 0
2 years ago
Other questions:
  • Which value for x makes the open sentence true? <br> 7+6•x=4^2+x^2<br> A.5<br> B.4<br> C.3<br> D.2
    6·1 answer
  • Suppose you are adding 43 and 28 .will you regroup. Explain
    5·2 answers
  • Find x. Round your answer to the nearest tenth of a degree.
    8·2 answers
  • One segment
    13·1 answer
  • Kamisha is planning to conduct a survey at her school. She has decided to interview 7 out of 30 students. If there are 510 stude
    8·1 answer
  • Please can someone help me with this maths question :<br> Estimate 253 divided by 0.46
    15·2 answers
  • In a triangular prism area of rectangular surface is twice the area of traingular surface if tsa 3000. Find the area of triangul
    10·1 answer
  • YA KNOW DA BEST IN SHIP IN THE WORLD IS? THATS DRAKE AND MELANIE #DELANIE. ITS DA BEST SHIP IN DA WORRRLLLD LEMME TELL ABOUT IT!
    10·2 answers
  • Sitting on a park bench, you see a swing that is 100 feet away and a slide that
    15·2 answers
  • 4×____×1=12 ?=____. please help me solve this question​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!