3 years ago

The circle has a radius of 40 millimeters. What is the diameter of the circle in centimeters

Mathematics

1 answer:

harkovskaia [24]3 years ago

6 0

Answer:

40mm=4cm

diameter=radius×2=4×2=8cm

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Answer:

57°

Step-by-step explanation:

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m<EGB = m<EHD = 57°

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oee [108]

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Step-by-step explanation:

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3 years ago

What is the equation of a line that is parallel to -x+3y=6 and passes through the point (3,5)?

Elena-2011 [213]

For this case we have that by definition, the equation of the line in the slope-intersection form is given by:

Where:

m: It's the slope

b: It is the cut-off point with the y axis

By definition, if two lines are parallel then their slopes are equal.

We have the following line:

$-x + 3y = 6\\3y = x + 6\\y = \frac {1} {3} x + \frac {6} {3}\\y = \frac {1} {3} x + 2$

Thus, the slope is: $m_ {1} = \frac {1} {3}$

Then $m_ {2} = \frac {1} {3}$

So, the line is of the form:

$y = \frac {1} {3} x + b$

We substitute the point $(x, y) :( 3,5)$ and find b:

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Thus, the equation is:

$y = \frac {1} {3} x + 5$

Answer:

$y = \frac {1} {3} x + 5$

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3 years ago