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Nadya [2.5K]
3 years ago
11

Find m A 36 B 132 C 24 D 12

Mathematics
1 answer:
iogann1982 [59]3 years ago
4 0

Answer:

12

Step-by-step explanation:

sum of all angles of triangle =180

3x-12+2x+11x=180

16x-12=180

16x=192

x=12

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Given the relations A: (3,2), (5,3), (6,2), (7,4) which statement is true?
In-s [12.5K]

Answer:

Option 3.

Step-by-step explanation:

The given relation is

A= {(3,2), (5,3), (6,2), (7,4)}

A relation is called a function, if there exist a unique value of y for each value of x.

In relation A, there exist unique output for each input. So, A is a function.

If a relation is defined as R = {(a,b), a∈R,b∈R}, then inverse of R is

R⁻¹ = {(b,a), a∈R,b∈R}

So, inverse of A is defined as

A⁻¹= {(2,3), (3,5), (2,6), (4,7)}

Here, the value of y are 3 and 6 at x=2.

For x=2, there exist more than one output. So, A⁻¹ is not a function.

Therefore, the correct option is 3.

8 0
3 years ago
Use the given figure to find the length of x.
lubasha [3.4K]

Answer:

x = 18

Step-by-step explanation:

This problem can be solved using concept of Pythagoras theorem.

Pythagoras theorem states that in a right angled triangle, if "a" and "b" are sides containing the right angle and h is hypotenuse then the relation between them is a^2 + b^2 = h^2

_________________________________________

Given in the problem

a = 24

b = x

h = x+12

applying Pythagoras theorem

24^2 + x^2 = (x+12)^2\\=> 576 + x^2 = x^2  + 24x + 144\\=>576 =  x^2  + 24x + 144 -  x^2\\=> 576 = 24x + 144 \\=>  576 - 144= 24x\\=> 432 = 24x\\=> x = 432/24 = 18

for (x+12)^2 we have used formula (a+b)^2 = a^2 + 2ab + b^2

Thus, value of x is 18.

8 0
4 years ago
one dozen doughnuts cost $6.00. if the unit price is the same, how many doughnuts can be bought with $16?​
kodGreya [7K]

32 doughnuts can be bought with $16.

Step-by-step explanation:

One dozen doughnuts = $6.00

One dozen = 12

$6.00 = 12 doughnuts

$1.00 = \frac{12}{6.00} = 2

Therefore, 2 doughnuts can be bought for $1.

For $16 dollars;

No. of doughnuts = Amount * Doughnuts per dollar

No.\ of\ doughnuts=16*2\\No.\ of\ doughnuts=32

32 doughnuts can be bought with $16.

Keywords: division, multiplication

Learn more about multiplication at:

  • brainly.com/question/1464739
  • brainly.com/question/1465430

#LearnwithBrainly

4 0
4 years ago
A cargo ship off the west coast of Africa sent a distress call and only provided their 10 latitude before the call cuts out. As
Studentka2010 [4]

The linear function showing the cargo ship’s path on the map is given at the image at the end of the answer.

<h3>What is a linear function?</h3>

The slope-intercept representation of a linear function is given by the rule presented as follows:

y = mx + b

The coefficients of the function and their meaning are explained as follows:

  • m is the slope of the function, representing the change in the output variable y when the input variable x increases by one.
  • b is the y-intercept of the function, representing the numeric value of the function when the input variable x assumes a value of 0.

In this problem, the function is given as follows:

y + 20 = -2x.

In slope-intercept format, the function is:

y = -2x - 20.

This means that:

  • When the longitude is of 0, the latitude is of 20. (passing through Mali).
  • Due to the negative slope, the line is decreasing.

Hence the line is presented on the image given at the end of the answer.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

4 0
1 year ago
Calculate the area of the red triangle to find the area of the garden. Show your work.
sergiy2304 [10]
Area of a triangle = [B(h)] : 2 = (ab) : 2 = [90ft x 120ft] : 2 = 5400ft squared.
5 0
2 years ago
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