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shusha [124]
3 years ago
14

the flight of an aircraft from toronto to montrel can be modelled by he relation h=-2.5t2+200t where t is the time, in minutes,

and h is the height in metre
Mathematics
1 answer:
musickatia [10]3 years ago
6 0
So far, this is shaping up to be a very interesting and engaging exercise. Now, what do you want done with the model ? To put it in other words, what is the question ? ? (Other than the fact that no real flight can fit this model.)
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If a=-2 and b=1, then 3a-2b=
Akimi4 [234]
<span>If a=-2 and b=1, then
3a-2b
= 3(-2) -2(1)
= -6 -2
= -8</span>
6 0
3 years ago
Read 2 more answers
-5<br> -4<br> -3<br> -2<br> -1<br> 0 1 2<br> 3<br> 4<br> u
bazaltina [42]

Answer:

Step-by-step explanation:

Can you rephrase the question.

5 0
3 years ago
X - 5y = 10; (0, -2) Group of answer choices no yes
mr Goodwill [35]
  • Yes, this linear equation is correct on point (0,-2).

Given that:

  • The linear equation

         x - 5y = 10;

  • The point

        (0, -2)

To find

  • We have to prove LHS = RHS

So, according to the question

We have,

The linear equation,

         x - 5y = 10; and point is (0,-2)

From equation,

         x - 5y = 10

Take the left part of given linear equation,

         LHS = x - 5y

Now, putting the values, x = 0 and y = -2.

Then, we will be get.

                = x - 5y

                = (0) - 5 ×(-2)

                = - 5 × -2

                = 10.

So, we can say that

          LHS = RHS.

Where,

           LHS = Left Hand Side.

           RHS =  Right Hand Side.      

We can solve that linear equation in other way,

When we put x = 0, we get y = -2.

So, if we put x = 1, we get y = -9/5.

Similarly, if x = 2, then y = -8/5.

Now, we can say that points (0,-2), (1,-9/5) and (2,-8/5) are lie in the linear equation x - 5y = 10.

To learn more about linear equation, please click on the link;

brainly.com/question/13738061

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6 0
1 year ago
What is the value of the discriminant for the quadratic equation –3 = –x2 + 2x?
iogann1982 [59]

The value of the discriminant for the quadratic equation –3 = –x2 + 2x is  16

<h3>What is the value of the discriminant for the quadratic equation?</h3>

The quadratic equation is given as:

–3 = –x^2 + 2x

Rewrite the equation as:

x^2 - 2x - 3 = 0

A quadratic equation is represented as;

ax^2 + bx + c = 0

So, we have

a = 1

b = -2

c = -3

The discriminant is

d = b^2 - 4ac

So, we have

d = (-2)^2 - 4 * 1 * -3

Evaluate

d = 16

Hence, the value of the discriminant for the quadratic equation –3 = –x2 + 2x is  16

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4 0
1 year ago
Which rational expression does not have any excluded values
Licemer1 [7]
What I understand is that if this are the three options that you put you should choose X2
4 0
3 years ago
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