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3 years ago

Find the median of the data in the dot plot below.

Mathematics

2 answers:

babymother [125]3 years ago

8 0

5 is the medium!!!

Explanation: the easiest way to find the medium is by one by one crossing out both sides till you get to the last standing middle number. Which in this case is 5
HOPE THIS HELPED

podryga [215]3 years ago

4 0

Answer:

Step-by-step explanation:

Hey there!

Well to find the median we need to cross out all the side dots,

till we get 5.

5 is the median

Hope this helps :)

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Write the equation of a line that is perpendicular to the given line and that passes through the given point. -x+5y=14; (-5,-2)

Vlad1618 [11]

$Let\\\\k:y=m_1x+b_1\\\\l:y=m_2x+b_2\\\\l\ \perp\ k\iff m_1m_2=-1\\\\\text{We have}\ k:-x+5y=14\qquad|+x\\\\5y=x+14\qquad|:5\\\\y=\dfrac{1}{5}x+\dfrac{14}{5}\to m_1=\dfrac{1}{5}\\\\l:y=mx+b\to\dfrac{1}{5}m=-1\qquad|\cdot5\\\\m=-5\\\\l:y=-5x+b\\\\\text{Put the coordinates of the point (-5, -2) to the equation of the line}\ l:\\\\-2=-5(-5)+b\\-2=25+b\qquad|-25\\b=-27\\\\Answer:\ y=-5x-27\to5x+y=-27$

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3 years ago

What is the area of this shape

Lena [83]

The answer is 28 units squared

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2 years ago

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For what value(s) of the constant b does the equation f(x)=3x^2+bx+27 have 1 x-intercept

lions [1.4K]

Step-by-step explanation:

An a quadratic equation,

${ax}^{2} + bx + c = 0$

If the quadratic has one solution,

then

$b {}^{2} - 4ac = 0$

So plug in 27 for c, and 3 for a

${b}^{2} - 4(3)(27) = 0$

${b}^{2} - 324 = 0$

${b}^{2} = 324$

$b = 18$

$b = - 18$

So our answer is 18 or -18

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2 years ago

PLS HELP QUICKLY !!!!!!

Olegator [25]

Answer: Choice C)

--------------------------------------

mean = xbar = (2400+1750+1900+2500+2250+2100)/6
mean = 2150

Subtract the data values from the mean to get

2400-2150 = 250
1750-2150 = -400
1900-2150 = -250
2500-2150 = 350
2250-2150 = 100
2100-2150 = -50
The differences are: 250, -400, -250, 350, 100, -50

Then you square those values and add up the squares

(250)^2 + (-400)^2 + (-250)^2 + (350)^2 + (100)^2 + (-50)^2 = 420,000

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3 years ago

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crimeas [40]

Answer:

Step-by-step explanation:

I think the answer is utterly perfect

Lol or its a 'cow'nter

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2 years ago

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