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nika2105 [10]
4 years ago
7

Give answer please :)

Mathematics
1 answer:
Over [174]4 years ago
4 0
Since you know that the median is 18 and the two middle values in the set are 17 and B, you know that B must be 19 to make the median 18. Knowing that, you can plug in different values for A that are between 7 and 12 and you would find that only a value of 9 makes the mean 17.

A=9 B=19
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A line has gradient 5.
MAVERICK [17]

Answer:

x = k - 3

Step-by-step explanation:

Given parameters:

  Gradient of the line = 5;

Coordinates; M(x, 8)

                       N(k, 23)

Solution:

If we use the expression for finding the slope of the line, we can solve this problem;

     Slope  = \frac{y_{2} - y_{1}  }{x_{2} - x_{1} }

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    x₁ = x    y₁ = 8

    x₂ = k    y₂ = 23

Input the parameters:

       5  = \frac{23 - 8}{k -x }

          15 = 5(k - x)

           3= k- x

           k - x = 3

 Express x in terms of k;

          -x = 3 - k

Multiply through by -1;

          x = -3 + k

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7 0
3 years ago
The sum of two integers is 21. Fifteen less than double the square of the smaller integer is equal to the larger
Salsk061 [2.6K]

Answer:

2x^2+x-36=0

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

65/x =13/10

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7 0
3 years ago
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