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Oksanka [162]
3 years ago
5

Question in the picture!!!!!!!!

Mathematics
2 answers:
torisob [31]3 years ago
8 0

Answer:

∠A and ∠C are vertical and equal in measure

∠C is adjacent to the angle that is 27°

∠C and ∠B are supplementary

∠A and ∠B are supplementary AND adjacent

All of them are correct

Step-by-step explanation:

<u><em>This is just how to find the angles.</em></u>

"When two lines intersect they form two pairs of opposite angles, A + C and B + D. Another word for opposite angles are vertical angles. Vertical angles are always congruent, which means that they are equal. Adjacent angles are angles that come out of the same vertex." - MathPlanet

The 27° and the 90° angles added up equal ∠B

∠B = 117°

360°-117°-117°=∠A & ∠C

∠A + ∠C = 126°

∠A=∠C=63°

Vikentia [17]3 years ago
4 0

Answer:

<a and <c are vertical, and equal in measure

<c and <b are supplementary

< a and <b are supplementary and adjacent

Step-by-step explanation:

<a and <c are vertical and do have the same angle

<c and <b are supplementary because both of the angles equal 180 degrees

<a and <b are supplementery so they both equal 180 degrees and they also share a vertex so the are also adjacent

the las answer is wrong because the definition of vertical angles is two angles that intersect each other and are not adjacent. and angles <c and <a are not adjacent

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Find the missing number. 30,______ 19, 13 1/2.
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Peyton was selected the most valuable player in the Super Bowl. In recognition of this, he was awarded an automobile with a valu
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2x+3y= 14<br>3х - 4 y = 4<br><br>​
goldenfox [79]

The solution to given system of equations are (x, y) = (4, 2)

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

2x + 3y = 14 ---------- eqn 1

3x - 4y = 4 --------- eqn 2

We have to solve the given system of equations

We can solve the above system of equations by elimination method

<em><u>Multiply eqn 1 by 3</u></em>

3(2x + 3y = 14)

6x + 9y = 42 --------- eqn 3

<em><u>Multiply eqn 2 by 2</u></em>

2(3x - 4y = 4)

6x - 8y = 8 ----------- eqn 4

<em><u>Subtract eqn 4 from eqn 3</u></em>

6x + 9y = 42

6x - 8y = 8

( - ) --------------

9y + 8y = 42 - 8

17y = 34

<h3>y = 2</h3>

<em><u>Substitute y = 2 in eqn 1</u></em>

2x + 3(2) = 14

2x + 6 = 14

2x = 14 - 6

2x = 8

<h3>x = 4</h3>

Thus the solution to given system of equations are (x, y) = (4, 2)

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