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
Tresset [83]
3 years ago
8

Which equation could be used to create the function table A y=3x B y=x+3 C y=4x D y=x+2

Mathematics
1 answer:
Setler79 [48]3 years ago
4 0
A y=3x because 3*1 is 3 and 3*2 is 6 and so on
You might be interested in
PLEASE HELP I will give you a brainliest
Fed [463]

Answer:

when x = -1,  y = -3

when x = -1,  y = -1

when x = -1,  y = 1

when x = -1,  y = 3

Step-by-step explanation:

x = -1;  plug in y = 2(-1) - 1 = -2 - 1 = -3

x = 0;  plug in y = 2(0) - 1 = 0 - 1 = -1

x = 1;  plug in y = 2(1) - 1 = 2 - 1 = 1

x = 2;  plug in y = 2(2) - 1 = 4 - 1 = 3

3 0
3 years ago
A projectile is fired from a cliff 190 feet above the water at an inclination of 45 to the horizontal, with a muzzle velocity of
jenyasd209 [6]

Answer:

Step-by-step explanation:

I'm not sure if this problem is physics based or calculus based.  So I used calculus because it just makes more sense to do so.

If the projectile is fired from 190 feet in the air, then h0 in our quadratic will be 190.  Since we are being asked to find both the displacement in the x-dimension and in the y-dimension, we need a bit of physics here as well.  The velocity in the y-dimension is found in

v_{0y}=v_{0}sin\theta  and the velocity in the x-dimension is found in

v_{0x}=v_{0}cos\theta

Since the sin and the cos of 45 is the same, it's made a bit simpler for us.  The velocity in both the x and the y dimension is 35.35533906 feet per second.

We can use that now to write the quadratic we need to start solving these rather tedious problems.

The position function for the projectile is

s(t)=-16t^2+35.35533906t+190

I'm going to kind of mix things up a bit, because in order to find the distance in the horizontal dimension that the object is when it's at its max height, we need to first find out how long it takes to get to its max height.  We will first take the derivative of the position function to get the velocity function of the projectile.  The first derivative of the position function is

v(t)=-32t+35.35533906

Remember that the first derivative is the velocity function of the projectile.  You should know from either physics or calculus that at its max height, the velocity of an object is 0 (because it has to stop in the air in order to turn around and come back down).  Setting the velocity function equal to 0 and solving for time will give us the time that the object is at the max height.

0=-32t+35.35533906

I'm going to factor out the -32 to make things easier:

0=-32(t-1.104854346) which gives us that at approximately 1.10485 seconds the object is at its max height.  

Moving over to the horizontal distance question now.  The displacement the object experiences in the horizontal dimension is found in d = rt.  We know the horizontal velocity and now we know how long it takes to get to its max height, so the horizontal distance is found in

d = (35.35533906(1.10485) so

d = 39.06 feet  When the object is at its max height the object is a horizontal distance of 39.06 feet from the face of the cliff.  That's a.

Now to find the max height, we will use again how long it took to get to the max height and sub it in for t in the position function.

s(1.10485) = -16(1.10485)^2 + 35.35533906(1.10485) + 190 to get that the max height is

209 feet.  That's b.

Now for c.  We are asked when the object will hit the water.  We know that when the object hits the water it is no longer in the air and has a height of 0 above the water.  Sub in a 0 for s(t) in the original position function and factor to solve for t:

0=-16t^2+35.35533906t + 190 and solve for t by factoring however you find to be the easiest.  Quadratic formula works great!

We find that the times are -2.51394 seconds and 4.72365 seconds.  Since time will NEVER be negative, we know that the time it takes to hit the water is 4.72365 seconds.

Whew!!!

8 0
3 years ago
Kevin buys a car. His car payment is $248 per month.After 55 payments how much was Kevin paying?
NNADVOKAT [17]

Answer:

hes paid 13,640

Step-by-step explanation:

5 0
3 years ago
In a recipe for fizzy grape juice, the ratio of cups of sparkling water to cups of grape
Ierofanga [76]

ummm well thats a good question

Step-by-step explanation: hold on let me think

g

3 0
3 years ago
Evaluate. (expoments)<br> 0(5)=
irinina [24]
927 because step by step is that everyone is because you
4 0
2 years ago
Other questions:
  • Jerry climbed 210 feet in elevation. he want down 300 feet. what integer represents his toal changes in elevation.
    10·1 answer
  • Allyson has 4.5 pieces of rope to use for a tire swing. If each full piece is 2 2/3 feet long, how much rope does Allyson have i
    14·1 answer
  • A cross country coach just announced that, by the end of the quarter, all students should run the 10 miles in less than 70 minut
    10·1 answer
  • Jeremy opens a chocolate shop in the city. He pays $1,500 a month for rent and maintenance of the shop. The price of raw materia
    10·2 answers
  • What does 1 + 1 equal?
    13·2 answers
  • This is geometry can someone help me?
    6·1 answer
  • If h(x) = x3 + x and g(x) = 2x +3, then g(h(2))
    9·2 answers
  • I WILL GIVE BRAINLEST HURRY PLEASE ITS DUE RIGHT NOW HURRY PLEASE plssss help me if your good at finding area in shapes plsss​
    14·1 answer
  • What is the standard form for this equation <br><br> (x+2) (x+15)
    10·1 answer
  • a monument that is 169.4 ft tall is built on a site that is 67.3 Ft below sea level how many feet above sea level is the top of
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!