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NNADVOKAT [17]
3 years ago
9

Round 1045 to the nearest thousand

Mathematics
1 answer:
solmaris [256]3 years ago
6 0
Hi the answer is 1,000 Glad To Help! :-D 

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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
On a sketch of a mural,3 inches represents one foot in the mural. A door in the sketch is 2 inches wide by 5 inches high. What i
grandymaker [24]

Answer:

Length of the door,                  <em> l</em> = 5 inches (<em>in</em>)

Width or Breadth of the door, <em>w</em> = 2 inches (<em>in</em>)

Perimeter                                   p = 2(l + w)

                                                   = 2( 5 + 2) <em>inches</em>

<em>                                                    = 2(5) inches + 2(4) inches</em>

                                                   = 10 <em>inches</em>  + 4 <em>inches</em>

                                                   = 14 <em>inches</em> or 14 <em>in</em>

  Step-by-step explanation:

The perimeter of a plane shape is the measurement of the length of its outside boundary, which means the distance around its edges.

The door in the sketch is the shape of a rectangle. the distance around the edge of the door is the sum of all the sides. The longer side of a rectangle is called the length and it is usually represented by letter<em> l</em> while the shorter side is known as width or breadth represented by letter <em>w</em> and<em> b </em>respectively. The perimeter is calculated by the formula 2(l + w). where l means the length and w represents the width.

4 0
2 years ago
The thickness of each type of coin is shown in the table. How much thicker is a stack of a dollars worth of nickels than a dolla
il63 [147K]

Answer:

16 nickels thicker

Step-by-step explanation:

You would need 20 nickels for 1 dollar and only 4 quarters for 1 dollar.  Do 20 minus 4 and your answer is 16 nickels. The stack of nickels is 16 coins thicker. Hope this helped!

5 0
3 years ago
How to graph 200-25x=y
In-s [12.5K]
Simplifying
y = -25x + 200

Reorder the terms:
y = 200 + -25x

Solving
y = 200 + -25x

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying
y = 200 + -25x
4 0
3 years ago
What is the probability of getting a sum 9 from two throws of a dice?
Fittoniya [83]

1/9 is the answer for that question

8 0
3 years ago
Read 2 more answers
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