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ipn [44]
3 years ago
10

Let's suppose a large triangle has a hole in the middle of it in the form of a rectangle, would you add the rectangle to the are

a of the triangle or subtract it from the area of the triangle to find the total area? *
Mathematics
2 answers:
Cloud [144]3 years ago
7 0

Answer:

Add the area of a rectangle

Step-by-step explanation:

You would add a rectangle to the area of the triangle to fill in the missing hole(i think)

WITCHER [35]3 years ago
3 0

Answer:

Subtract

Step-by-step explanation:

There is nothing but a rectangular hole on the triangle. Therefore, subtracting away a piece of the triangle.

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2. Given a directed line segment with endpoints A(3, 2) and B(6, 11), what is the point that
KATRIN_1 [288]

Answer:

The point of division is (5 , 8)

Step-by-step explanation:

* Lets explain how to solve the problem

- If point (x , y) divides the line whose endpoints are (x_{1},y_{1})

 and (x_{2},y_{2}) at ratio m_{1}:m_{2} , then

 x=\frac{x_{1}m_{2}+x_{2}m_{1}}{m_{1}+m_{2}} and

 y=\frac{y_{1}m_{2}+y_{2}m_{1}}{m_{1}+m_{2}}

* Lets solve the problem

- The directed line segment with endpoints A (3 , 2) and B (6 , 11)

- There is a point divides AB two-thirds from A to B

∵ The coordinates of the endpoints of the directed line segments

   are A = (3 , 2) and B = (6 , 11)

∴ (x_{1},y_{1}) is (3 , 2)

∴ (x_{2},y_{2}) is (6 , 11)

∵ Point (x , y) divides AB two-thirds from A to B

- That means the distance from A to the point (x , y) is 2/3 from

  the distance of the line AB, and the distance from the point (x , y)

  to point B is 1/3 from the distance of the line AB

∴ m_{1}:m_{2} = 2 : 1

∵ x=\frac{(3)(1)+(6)(2)}{2+1}=\frac{3+12}{3}=\frac{15}{3}=5

∴ The x-coordinate of the point of division is 5

∵ y=\frac{(2)(1)+(11)(2)}{2+1}=\frac{2+22}{3}=\frac{24}{3}=8

∴ The y-coordinate of the point of division is 8

∴ The point of division is (5 , 8)

6 0
3 years ago
Eddie had 30 dollars to spend on 3 gifts. He spent 11
OverLord2011 [107]

Answer:

12.9 or 12 9/10

6 0
2 years ago
Maggie's brother is 4 years younger than three times her age. The sum of their ages is 16.
bearhunter [10]

Answer:

Maggie is 5 years old

Step-by-step explanation:

3M-4+M=16

add 4 to both sides

4M=20

Divide both sides by 4

20/4 = 5

M/Maggie is 5

7 0
3 years ago
Examine the division problem
11111nata11111 [884]

Answer:

-9/2 (4/3)

-6

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which of the following equations shows how the solution can be checked? Select the two correct answers. 3(1)+(-2)=1 1-(-2)=3 3(-
igor_vitrenko [27]

Answer:

the left side 1 does not equal to the right side 3 which means that the given statement is false.

Step-by-step explanation:

6 0
3 years ago
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