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Reptile [31]
3 years ago
10

How do you find the mean? I'm an idiot right now.

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
8 0

Answer:

the mean is the average of all the numbers. first add up all numbers. then divide by how many numbers there are.

hope this helps

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The sum of two polynomials is 8d5 – 3c3d2 + 5c2d3 – 4cd4 + 9. If one addend is 2d5 – c3d2 + 8cd4 + 1, what is the other addend?
Anit [1.1K]

Answer: The correct option is A.

Step-by-step explanation: We are given a polynomial which is a sum of other 2 polynomials.

We are given the resultant polynomial which is : 8d^5-3c^3d^2+5c^2d^3-4cd^4+9

One of the polynomial which are added up is : 2d^5-c^3d^2+8cd^4+1

Let the other polynomial be 'x'

According to the question:

8d^5-3c^3d^2+5c^2d^3-4cd^4+9=x+(2d^5-c^3d^2+8cd^4+1)

x=8d^5-3c^3d^2+5c^2d^3-4cd^4+9-(2d^5-c^3d^2+8cd^4+1)

Solving the like terms in above equation we get:

x=(8d^5-2d^5)+(-3c^3d^2+c^3d^2)+(5c^2d^3)+(-4cd^4-8cd^4)+(9-1)

x=6d^5-2c^3d^2+5c^2d^3-12cd^4+8

Hence, the correct option is A.

5 0
3 years ago
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What is the slope of a line that contains the points (5, -3) and (7, 3)? *
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Slope formula: y2-y1/x-x1

We can use the given points to solve.

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Best of Luck!

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</span>(x-2)²/3² + (y-1)²/(1/2)² = 1
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stepan [7]
33 / (5 1/2) = 
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Answer:

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Step-by-step explanation:

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