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Oduvanchick [21]
2 years ago
10

The measure of a supplement of an angle is 15 degrees less than four times the measure of the complement. Find the measure of th

e angle.
Mathematics
1 answer:
Pepsi [2]2 years ago
5 0

Answer:

Let call the angle X

Its complement will be 90-x

Its supplement will be 180-x

(180-x)+15 = 4(90-x)

180-x+15 = 360-4x

4x-x = 360-180-15

3x = 165

x = 55

Prove

The complement of 55 is 35

And the supplement of 55 is 125

Now we must see if the relation stated holds

125+15 = 4(35)

125+15 = 140 The measure of the supplement of an angle is 15 degrees less than four times the measure of the complement.

140 = 140

Therefore the solution of the problem is given by an angle of 55 degrees.

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{x + 4y = 13<br> {x – y = 3
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Answer:

x = 5 and value of y = 2

Step-by-step explanation:

using substitution method

let;

x + 4y = 13...................... equation 1

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x - y = 3.................................... eqn 2

x = y + 3.......................................... equation 3

put x = y + 3 in equation 1

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y + 3 + 4y = 13

5y = 13 - 3

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divide both sides by 5

i.e

5y/5 = 10/5

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sustitue for y  = 2 in equation 3

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x = 2 + 3

x = 5

therefore the value of x = 5 and value of y = 2

to check if your answwer is correct slot in the value of x and y in any of the equation . e.g

from equation 3

x = y + 3.......................................... equation 3

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3 0
3 years ago
What does JK stand for when doing angles??? Offering 29 pts and brainliest answer
MaRussiya [10]
Hello.

JK (or any other combination of letters) doesn't stand for anything in geometry. The purpose of these letters is to reference certain angles and sides of a figure without having to describe the angles/sides in relation to other angles/sides to know exactly which angle or side is being referenced.

Hope this helps!
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3 years ago
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3 years ago
Is 4x + 7x a polynomials. Why​
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Answer:

Step-by-step explanation:

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