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garri49 [273]
3 years ago
7

State which property or relationship is demonstrated in the following examples 7+(9+6)=(7+9)+6

Mathematics
1 answer:
Alja [10]3 years ago
5 0
It’s all real Solutions because you get the answer of 22=22
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Please help me i only have few hours left i need as much as I can ge. ill get you brainliest and send you free mr.beast merch
masya89 [10]

Answer:

26cm²

Step-by-step explanation:

Perimeter

2x - 4 + 5x - 13 + x + 9 = 40

8x - 8 = 40

8x = 40 - 8

8x = 32

x = 4

Sides of the triangle

Height = 2x - 4 = 2 x 4 - 4 = 4cm

Hypotenuse = 5x - 13 = 5 x 4 - 13 = 7cm

Base = x + 9 = 4 + 9 = 13cm

Area of triangle

= 1/2 x base x height

= 1/2 x 13 x 4

= 26cm²

Hope this helps

7 0
3 years ago
Read 2 more answers
What is the definition of triangle
Sholpan [36]

Answer:

rtshsrst6hteshyrjhryjy

Step-by-step explanation:

fgjyryrjutkj

3 0
3 years ago
Read 2 more answers
Maximum for n=100x 40y
Greeley [361]
Assuming that here are the choices : 
(0,0)
(5,0)
(0,8)
(2,6)

In a question like this, you just need to input the x and the y to the equation and find out which have the greatest n.

From the following above , the answer would be : (5,0)

Hope this helps
6 0
3 years ago
What is the value x ?
34kurt

Answer:

x= 62

Step-by-step explanation:

The value of a triangle is 180 degrees.

68.5+49.5= 118

180-118= 62 degrees

7 0
3 years ago
bellamy is building a gate to put on a fence. the gates measurements are 7 feet by 7 feet a diagonal wooden brace is going to be
Rama09 [41]

The length of the diagonal is the hypotenuse of the fence

The length of the wood is 7\sqrt{ 2 yards

<h3>How to determine the length of the wood?</h3>

The dimensions of the fence are:

7 ft by 7 ft

The length (L) of the diagonal is calculated using:

L = \sqrt{a^2 + b^2

This gives

L = \sqrt{7^2 + 7^2

Express as products

L = \sqrt{7^2 * 2

Express as radical

L = 7\sqrt{ 2

Hence, the length of the wood is 7\sqrt{ 2 yards

Read more about diagonals at:

brainly.com/question/10187910

8 0
2 years ago
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