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frosja888 [35]
3 years ago
9

-16 + 2(3 + 4x) due soon

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
6 0
Multiple each term in the brackets by 2
-16 + 2•6 + 2•4x
-16 + 12 + 8x
-4 + 8x
zysi [14]3 years ago
3 0

-4+8x

Step-by-step explanation:

Distribute the 2 within parpahses making it -16+12+8x

Then combine like terms -16+12=--4

So your left with -4+8x

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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
In the right triangle shown, mZA = 45° and AB = 12. How long is BC?
iragen [17]

Answer:

I think BC is 45°÷2 Or 12÷2

Step-by-step explanation:

so the answer is 15° or 6

6 0
2 years ago
The total of 42, 75, 189, 301, and 728 is
nordsb [41]
The total means add so,
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Answer is C.

5 0
3 years ago
Read 2 more answers
write the equation of the line that passes through two points in slope intercept form (-8,1) and (2,-4)
Ilya [14]

Answer: Answer and explanation in pic

Step-by-step explanation:

4 0
2 years ago
10.
Crank
7.5 × 10-4

That's the scientific notation answer ^
5 0
3 years ago
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