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SIZIF [17.4K]
3 years ago
14

Which of the following is a description of the data with a correlation coefficient of -0.3?

Mathematics
1 answer:
Klio2033 [76]3 years ago
8 0
The magnitude of this number is far from 1, so it's low correlation

Since it's negative, so it's low negative correlation
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Find an equation of the circle and sketch it if it has: Center on y=4, tangent x-axis at (–2, 0)
Digiron [165]

Answer:

(x+2)^2+(y-4)^2=16

OK, lets start by drawing a basic graph (the first one) so we can visualize.

We already know that the y coordinate of the circle's center is 4.

We know that the circle is tangent to the X axis at (-2,0)

That means the x coordinate of the center has to be -2, as the tangent is a point on the edge of the circle that touches a line at exactly one point.

The radius is the distance from the center of the circle to its edge. We know the center's location now, it is (-2, 4) and a point on the edge of the circle (the tangent point) which is (-2,0). so the distance between the points is 4 which is the radius (you can use the distance formula, but it's quite oblivious.)

We can imagine the circle should look like this (the second one):

Now we can piece together an equation

The equation of a circle is (x-h)^2+(y-k)^2=r^2 where (h,k) is the center and r is the radius. When we put the numbers in: we get (x-(-2))^2+(y-(4))^2=4^2 which can be simplified into (x+2)^2+(y-4)^2=16 which is the answer.

Step-by-step explanation:

4 0
3 years ago
BRAINILEST!!!Which is the simplified form of ?
KATRIN_1 [288]
Apply the negative exponent rule, so move the expression to the denominator to make the exponents positive.

Your answer is:

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4 years ago
2x+4y=1 3x-5y=7<br><br> Find the value of x and y<br><br> Thank you
Rashid [163]

Answer:


2x+4y=13x-5y=7

Too Many Equal Signs



............... V

   2x+4y=13x-5y=7


Program Execution Terminated


 

Tiger was not able to solve for your input:2x+4y=13x-5y=7

Submit your own solution!Step-by-step explanation:


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Answer:

60

Step-by-step explanation:

all angles in an equilateral triangle equal 60 because 180 ÷ 3 = 60

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An equilateral triangle is
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sometimes similar to a scelene triangle because we can never

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