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blsea [12.9K]
3 years ago
13

Determine the values of n and m so that the following system have infinite number of solutions

Mathematics
1 answer:
cupoosta [38]3 years ago
6 0

Answer:

n = 3

m = -1/2

Step-by-step explanation:

Multiply the second equation by 4

4(n - 2)x + y = 4(n + m)          Y is now correct.

4(n - 2) = 4                              Remove the brackets    

4n - 8 = 4                                Add 8 to both sides

4n = 8 + 4                               Combine

4n = 12                                    Divide by 4

n = 3                                        x is now correct

4(n - 2) = 4

4(3 -2) = 4

4 = 4

Now you have to worry about m

4(n + m) = 10

n = 3

4(3 + m) = 10                               Divide by 4

m + 3 = 10/4

m + 3 = 2.5                                 Subtract 3 from both sides.

m = 2.5 - 3

m = - 1/2  

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What is the area of a sector with a central angle of 2pi/9 radians and a diameter of 20.6mm? Use 3.14 for Ali and round your ans
LuckyWell [14K]
- The area of the circle is:

 A=πr²

 A is the area of the circle.
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 r is the radius of the circle.

 - To calculate the area of <span> the sector indicated in the problem, you must apply the following formula:

 As=(</span>θ/2π)πr²

 As is the area of the sector.
 θ is the central angle (θ=2π/9)
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 - First, you must find the radius:

 r=Diameter/2
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 - Now, you can substitute the values into the formula As=(θ/2π)πr². Then, you have:

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6 0
3 years ago
Read 2 more answers
Solve 3(x - 2) &lt; 18
vladimir2022 [97]

Hi there!

\large\boxed{x < 8}

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Add 2 to both sides:

x - 2 + 2 < 6 + 2

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2 years ago
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Answer:

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