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VLD [36.1K]
3 years ago
8

A plane descends by 4500 ft in 5 minutes. What is the change in the planes elevation each minute

Mathematics
2 answers:
boyakko [2]3 years ago
6 0
Answer : It will descend 900 ft every minute


I hope this helps and have a wonderful day!
beks73 [17]3 years ago
3 0
The plane will descend 900 ft every minute

This is the case because we divide 4500 by 5

Hope this helps and have a great day!
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The total cost to produce x handcrafted wagons is C(x) = 110 + 7x - x^2 + 2x^3. Find the marginal cost when x = 8.
nataly862011 [7]
<h2>Answer:</h2>

The marginal cost when x=8 is:

                          375

<h2>Step-by-step explanation:</h2>

We know that the marginal function for a cost function C(x) at x=a

is given by:

   C'(x) at x=a

Here we have the cost function C(x) as:

C(x)=110+7x-x^2+2x^3

Now we find the derivative of C(x) with respect to x.

i.e.

C'(x)=0+7-2x+6x^2

( Since,

\dfrac{d}{dx} x^n=nx^{n-1}  )

C'(x)=7-2x+6x^2

Hence, we get:

C'(8)=7-2\times 8+6\times (8)^2\\\\i.e.\\\\C'(8)=7-16+384\\\\C'(8)=375

8 0
3 years ago
Please don't get it wrong!!
patriot [66]

Answer:

1×30 = 30

2×15 = 30

3×10 = 30

5×6 = 30

6÷5 = 30

15×2 = 30

30×1 = 30

8 0
3 years ago
Please help with these two questions. Really important
shutvik [7]
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6 0
3 years ago
The point (−3, 1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of
Ivenika [448]

The length of the hypotenuse = √(-3^2 +1^2) = √10

The point -3,1 tell us the length of y is 1 and the length of x is 3.

This would make opposite = 1 and adjacent = -3

Sinθ = opposite/hypotenuse =  1/√10  = √10/10

Cosθ = adjacent/hypotenuse = -3/√10  = - 3√10/10

Tanθ = opposite/adjacent = 1/-3 = -1/3

6 0
3 years ago
Complete the proof.
trasher [3.6K]
You circle the points on both sides and then you calculate them and get what you need...
5 0
3 years ago
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