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Taya2010 [7]
2 years ago
8

PLEASE HELP ME I will give brainliest! The angles of 8x + 4 degrees and 6x + 64 degrees are supplementary. Solve for X and Y.

Mathematics
1 answer:
MariettaO [177]2 years ago
6 0

Step-by-step explanation:

supplementary angles means sum of them is 180°

8x+4+6x+64 = 180

14x+68 = 180

x = 8

angles are 68 and 112

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If 5% of an item is $0.50, what is the original price?
Blababa [14]

Answer:

$10

Step-by-step explanation:

0.05x=0.50

x=10

7 0
3 years ago
Find two numbers if there sum is 7.2 and their difference is 2.7
Sidana [21]

Answer:

2.25 and 4.95

Step-by-step explanation:

x + y = 7.2

x - y = 2.7

x = 7.2 - y

x - y = 2.7

(7.2 - y) - y = 2.7

7.2 - 2y = 2.7

-2y = 2.7 - 7.2

-2y = -4.5

-2y/-2 = -4.5/-2

y = 2.25

x + y = 7.2

x + 2.25 = 7.2

x = 7.2 - 2.25

x = 4.95

Check: 4.95 and 2.25

x + y = 7.2

(4.95) + (2.25) = 7.2

7.2 = 7.2

x - y = 2.7

(4.95) - (2.25) = 2.7

2.7 = 2.7

6 0
3 years ago
Read 2 more answers
Solve for g please!!!!!!!!!!!!!!
alexandr402 [8]
G = m/5t- Q^2. Hope that helps.
4 0
3 years ago
Find the sum of 10 x 2 + 7 x + 6 10x 2 +7x+6 and 6 x + 5 6x+5.
dusya [7]

The sum of the given expression expressed as a quadratic equation is 10x^2 + 13x + 11

<h3>Sum of expressions</h3>

Expressions are equations separated by mathematical signs. This expressions are known to contains certain unknowns

Given the following expression

10x^2 +7x+6 and 6x + 5

We are to take the sum of both expression to have:

f(x) = 10x^2 +7x+6 + 6x + 5

Collect the like terms

f(x) = 10x^2 + 7x + 6x + 6 + 5

f(x) = 10x^2 + 13x + 11

Hence the sum of the given expression expressed as a quadratic equation is 10x^2 + 13x + 11

Learn more on sum of functions here: brainly.com/question/11602229

#SPJ1

8 0
2 years ago
Find the domain of the funtion 4/x-7
dedylja [7]
Domain means which values the function can have which make it true or Possible to solve

So all you got to do is set the denominator = to 0 and solve for x
You will get x=7

4/(7-7) is not possible

So x cannot equal to 7 because you cant divide a number by 0!
5 0
3 years ago
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