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nikitadnepr [17]
2 years ago
11

Divide x4-3x3-5X2-7x-9 by x + 1.

Mathematics
1 answer:
4vir4ik [10]2 years ago
5 0

The division of x4-3x3-5X2-7x-9 by x + 1. yields; x²-4x²-x-6 with a remainder of -3.

<h3>Division of polynomials</h3>

From the task content;

  • It follows that the division can be carried out using the long division method.

The division of the polynomial x⁴-3x³-5x²-7x-9 by (x+1) therefore yields; x²-4x²-x-6 with a remainder of -3.

Read more on polynomial division;

brainly.com/question/24662212

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2 years ago
Could y’all help with the answer?
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Suppose that the dollar cost of producing x radios is c(x) = 400 + 20x - 0.2x 2. Find the marginal cost when 30 radios are produ
My name is Ann [436]
C(x) = 400 + 20x - 0.2x²

c(30) = 400 + 20(30) - 0.2(30)²

= 400 + 600 - 0.2(900)
= 1000 - 180
= 820

It costs $820 when 30 radios are produced. 

Marginal cost is how much it would cost to make one MORE of the same product so now we find how much it costs to produce 31 radios and compare the two. 

c(31) = 400 + 20(31) - 0.2(31)²

= 400 + 620 - 0.2(961)
= 1020 - 192.2
= 827.8 or ≈828.

Now we find the difference which means we subtract the two. 

828 - 820 = 8. 

Your marginal cost is $8. 

To compare we can also do 29 radios. 

c(29) = 400 + 20(29) - 0.2(29)² = 811.8 or ≈812

820 - 812 = 8. 
7 0
3 years ago
BRAINLIEST FOR THE FIGHT ANSWER!!!
Gemiola [76]
= .91(.85)(.82) = .63427 
<span>or 63.427% of the original price 

so your answer is B</span>
3 0
3 years ago
A common tub is 54 inches long. What could be its length in centimeters? (1 inch = 2.54 cm)
ddd [48]

Answer:

137.16 cm

Step-by-step explanation:

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5 0
2 years ago
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