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ankoles [38]
3 years ago
5

Why is it important to include a scale when displaying a box plot?

Mathematics
1 answer:
KIM [24]3 years ago
6 0
Because then it would be easier to get an answer for a problem
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Write an equation in slope intercept form of a line passing through the given point (8,5) m=3
Zepler [3.9K]

If m(slope)=3, you can start to set up the equation as y=3x+b.

Using y=3x+8, you can plug in the given point being (8,5).

y=5

x=8

5=(3*8)+b

5=24+b

b=-19

The equation would be y=3x-19

3 0
3 years ago
Can somebody please help me out ?
Sever21 [200]

Answer:

30

Step-by-step explanation:

238,900/7,917=30.1755

7 0
2 years ago
Read 2 more answers
Farmer Joe is planning to fence in a garden area in a portion of his field which is 75 feet wide. The farmer would like to creat
LenKa [72]
He could make his plot 300 feet long
5 0
3 years ago
Write the polynomial in factored form as a product of linear factors f(r)=r^3-9r^2+17r-9
adelina 88 [10]

Answer:

  f(r) = (x -1)(x -4+√7)(x -4-√7)

Step-by-step explanation:

The signs of the terms are + - + -. There are 3 changes in sign, so Descartes' rule of signs tells you there are 3 or 1 positive real roots.

The rational roots, if any, will be factors of 9, the constant term. The sum of coefficients is 1 -9 +17 -9 = 0, so you know that r=1 is one solution to f(r) = 0. That means (r -1) is a factor of the function.

Using polynomial long division, synthetic division (2nd attachment), or other means, you can find the remaining quadratic factor to be r^2 -8r +9. The roots of this can be found by various means, including completing the square:

  r^2 -8r +9 = (r^2 -8r +16) +9 -16 = (r -4)^2 -7

This is zero when ...

  (r -4)^2 = 7

  r -4 = ±√7

  r = 4±√7

Now, we know the zeros are {1, 4+√7, 4-√7), so we can write the linear factorization as ...

  f(r) = (r -1)(r -4 -√7)(r -4 +√7)

_____

<em>Comment on the graph</em>

I like to find the roots of higher-degree polynomials using a graphing calculator. The red curve is the cubic. Its only rational root is r=1. By dividing the function by the known factor, we have a quadratic. The graphing calculator shows its vertex, so we know immediately what the vertex form of the quadratic factor is. The linear factors are easily found from that, as we show above. (This is the "other means" we used to find the quadratic roots.)

7 0
3 years ago
A deli sells meat and cheese by the pound. The expression 7.99m + 5.99c represents the total cost of m pounds of mest and c poun
LenaWriter [7]
Statement A is correct.

7.99m is the unit rate for how much you will pay for each pound of meat.

5.99c is the unit rate for how much you will pay for each pound of cheese.
6 0
3 years ago
Read 2 more answers
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