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lys-0071 [83]
3 years ago
10

The angles below are supplementary. What is the value of x? A pair of supplementary angles is shown. One angle measures 4x + 20,

and the other angle measures 40.
answers:

5

7.5

15

30
Mathematics
2 answers:
nikdorinn [45]3 years ago
6 0

Answer: The answer is D. 30

I took the FLVS test and got it correct, just so everyone knows it is right!

Hoochie [10]3 years ago
3 0

Answer:

x = 30

Step-by-step explanation:

If the angles are supplementary, that means that they add up to 180°.

That means 40 + 4x + 20 = 180°

Simplify: 60 + 4x = 180

Subtract: 4x = 120

Divide: x = 30

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3 0
2 years ago
Markers are on sale for $4.50 for Black, $3.25 for Red, and $1.98 for Green. He spends a total of $284.24. If he buys a certain
mixas84 [53]
Let x be number of black markers

4.5x + 2x3.25x + 3x1.98x = 284.24
16.94x = 284.24
x = 16.78 = 17

The person bought 17 black pens, 34 red and 51 green
5 0
3 years ago
Which equation represents a linear function?
Mila [183]

The equation y - 2 = -5(x - 2) represents a linear function ⇒ 1st answer

Step-by-step explanation:

A linear function is any function that graphs to a straight line

(not a vertical line)

The forms of the linear equation are

  • y = m x + b, where m is the slope of the line which represents the function and b is the y-intercept ⇒ slope-intercept form
  • y-y_{1}=m(x-x_{1}), where m is the slope and (x_{1},y_{1}) is a point lies on the line which represent the function ⇒ slope-point form
  • Ax + By = C, where A, B, and C are constant ⇒ standard form

Linear function means the greatest power x and y in the equation of the function is 1

∵ The equation is y - 2 = -5(x - 2)

∵ The greatest power of x and y is 1

∵ The equation is in the form of y-y_{1}=m(x-x_{1}), where

   m = -5 and the coordinates of the point are (2 , 2)

∴ The equation represents a linear function

The equation y - 2 = -5(x - 2) represents a linear function

Learn more:

You can learn more about the linear function in brainly.com/question/4326955

#LearnwithBrainly

6 0
2 years ago
Translate then Solve for the variable:
Sergeu [11.5K]

The linear equation will be 2x + 10 = 5(x - 6). Then the value of the variable x will be 23.33.

<h3>What is the linear system?</h3>

A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.

Translate then Solve for the variable:

The sum of two times a number and 10 is five times the difference between a number and six.

Let the number be x.

Then the equation will be

2x + 10 = 5(x - 6)

Then the value of x will be

2x + 10 = 5x - 60

5x - 2x = 60 + 10

      3x = 70

        x = 23.33

More about the linear system link is given below.

brainly.com/question/20379472

#SPJ1

8 0
2 years ago
Find the missing angle.<br> A.65<br> B.75<br> C.70<br> D.85
vovangra [49]
The answer is c because every quadrilateral adds up to 360 so when you add all the numbers you get 290 and when you subtract 360-290 is 70.
3 0
2 years ago
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