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trasher [3.6K]
3 years ago
6

Radio station KLUV broadcast and all directions to a distance of 60 miles. What is the area over which the station can be heard

Mathematics
1 answer:
wlad13 [49]3 years ago
5 0
Station can be heard 60 mile radius
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solve this system of linear equations. Separate the X- and Y- values with a comma. -9x+2y=-16 19x+3y=41​
Serjik [45]

Answer:

(2, 1)

Step-by-step explanation:

The best way to do this to avoid tedious fractions is to use the addition method (sometimes called the elimination method).  We will work to eliminate one of the variables.  Since the y values are smaller, let's work to get rid of those.  That means we have to have a positive and a negative of the same number so they cancel each other out.  We have a 2y and a 3y.  The LCM of those numbers is 6, so we will multiply the first equation by a 3 and the second one by a 2.  BUT they have to cancel out, so one of those multipliers will have to be negative.  I made the 2 negative.  Multiplying in the 3 and the -2:

3(-9x + 2y = -16)--> -27x + 6y = -48

-2(19x + 3y = 41)--> -38x - 6y = -82

Now you can see that the 6y and the -6y cancel each other out, leaving us to do the addition of what's left:

-65x = -130 so

x = 2

Now we will go back to either one of the original equations and sub in a 2 for x to solve for y:

19(2) + 3y = 41 so

38 + 3y = 41 and

3y = 3.  Therefore,

y = 1

The solution set then is (2, 1)

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3 years ago
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Given two points on a line determine (a) the slope of the line using m=y^2-y^1/x^2-x^1 and (b) the equation of the line in y= mx
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(2,5) (3,-) do not quote me on it but I think that’s wrong
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I need to know how to write this as a decimal with all the steps and everything plzz
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You divide the denominator into the numerator and that will get your answer which is 7.
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Please help !! Will grant brainliest ..
Free_Kalibri [48]

(3,3)

(9,4)

(3,5)

(4,4)

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3 years ago
Please help me out thank you!!
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g(2) means plug in x = 2 into the function g(x) = |-2x + 4| and f(-1) means plug x = -1 into f(x) = 3x - 1.

That will give you two numbers that you can then use to calculate g(2) - f(-1)

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