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viva [34]
3 years ago
8

The midpoint M of CD has coordinates (6, 6). Point D has coordinates (10, 4). Find the coordinates of point C.

Mathematics
1 answer:
Firdavs [7]3 years ago
5 0

Answer:

(2,8)

Step-by-step explanation:

The midpoint of a line segment with endpoints (a,b) and (c,d) is

((a+c)/2   ,  (b+d)/2) .

So one endpoint is given and the midpoint is given, we are asked to find the other midpoint.

(10+c)/2=6                      (4+d)/2=6

10+c=12                           4+d=12

c=2                                      d=8

(2,8) is the other endpoint

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mezya [45]

Hey there!

<h2>10(2)(2) </h2><h2>10(2) = 20</h2><h2>20(2) = 40</h2><h2>Thus, your answer is: 40</h2>

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst

3 0
3 years ago
Two ropes, AD and BD, are tied to a peg on the ground at point D. The other ends of the ropes are tied to points A and B on a fl
Arlecino [84]

Answer:

  A.  3.66 feet

Step-by-step explanation:

Using trigonometry, we know that ...

  BC = DC·tan(30°)

  AC = DC·tan(45°)

  AB = AC -BC = DC(tan(45°) -tan(30°))

  AB = 5√3·(1 -√3/3) = 5(√3 -1)

  AB ≈ 3.66 . . . feet

8 0
3 years ago
Susannah has a high-yield savings account into which she deposits $140 each month. At the beginning of the year, Susannah's acco
motikmotik

Answer:

Her account balance will be $2,080 at the end of the year

Step-by-step explanation:

Let

y ----> Susannah's account balance

x ---> is the  amount of time in months

we have

y=140x+400

This is a linear equation in slope intercept form

where

The slope or unit rate is equal to

m=\$140\ per\ month

The y-intercept or initial value is equal to

b=\$400

Remember that

One year is equal to 12 months

so

For x=12 months

substitute in the linear equation

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5 0
3 years ago
The central angle of a regular polygon is 18 degrees. Th e perimeter of the polygon is 144 ft. What is the area of the polygon t
Diano4ka-milaya [45]
Given that the central angle of a polygon is 18, then the number of sides of the polygon will be:
360/18
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thus the side length will be:
144/20
=7.2 ft
hence the area will b given by:
p=s×n
a=s/[2tan(180)/n]
where:
Area=(a×p)/2
p=perimeter, s=side length, n=number of sides
p=7.2×20=144
a=7.2/[2tan (180/20)]=22.73
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A=(144×22.73)/2
A=1632.524 ft²
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3 years ago
There are 9 tennis balls in 3 cans.
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Lol just took the quiz your answer will be 3/1
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3 years ago
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