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Readme [11.4K]
3 years ago
5

1.what is the length of the segment joining 3,6 and -2,-6

Mathematics
1 answer:
OLga [1]3 years ago
4 0

1.what is the length of the segment joining 3,6 and -2,-6 : 13 units

2.what is the center of the circle (x+6)^2+(y-8)^2=144 => (-6,8)

3.what is the slope of the line 3y+2x-6=0=> -2/3

Step-by-step explanation:

<u>1.what is the length of the segment joining (3,6) and (-2,-6)?</u>

Let

(x1,y1) = (3,6)

(x2,y2) = (-2,-6)

The length of a segment is given by:

d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\Putting\ values\\d  = \sqrt{(-2-3)^2+(-6-6)^2}\\d = \sqrt{(-5)^2+(-12)^2}\\= \sqrt{25+144}\\= \sqrt{169}\\=13\ units

<u>2.what is the center of the circle (x+6)^2+(y-8)^2=144</u>

The equation of circle is given by:

(x-h)^2+(y-k)^2 = r^2

Here, h and k are the coordinates of centre of circle

x - h = x+6

-h = 6

h = -6

y - 8 = y - k

-8 = - k

k = 8

So,

The center of circle is: (-6,8)

<u>3.what is the slope of the line 3y+2x-6=0</u>

We have to convert the equation in slope-intercept form to find the slope

Slope-intercept form is:

y = mx+b

Now,

3y+2x-6=0\\3y+2x = 6\\3y = -2x+6

Dividing both sides by 3

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

In slope-intercept form, the co-efficient of x is the slope of the line so

m = -2/3

Keywords: Coordinate geometry, Slope

Learn more about coordinate geometry at:

  • brainly.com/question/2821386
  • brainly.com/question/2860697

#LearnwithBrainly

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To find the length of the diagonal, we need to calculate the length of the base first and then use the value to calculate the diagonal since we are given the value of height of the triangle.

<h3>Pythagorean Theorem</h3>

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To calculate the base of the triangle, let's use Pythagorean theorem here

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Having the length of the base, let's consider the height of the triangle which is 6 and substitute the values.

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1 year ago
Find the area of the triangle when b=8 and h=14
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One lap around the school track is 5/8 of a mile Carin ran 3 1/2 laps how far did she run
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3 1/2 can be read as 3 and a half. In improper fractions, it can be written as

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In order to find the total distance covered in 3 1/2 or 7/2 laps, we need to multiply length of a lap by total number of laps ran.

Therefore, total distance covered = 7/2 × 5/8.

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On dividing 35 by 16, we get 2 quotient and 3 remainder.

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Therefore, she ran 2 3/16 miles in 3 1/2 laps.


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