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alina1380 [7]
2 years ago
12

I need to find x please help me with steps

Mathematics
1 answer:
algol132 years ago
8 0

Answer:

x = 19

Step-by-step explanation:

The angles are vertical angles and vertical angles are equal

154 = 6x+40

Subtract 40 from each side

154-40 = 6x+40-40

114= 6x

Divide by 6

114/6 = 6x/6

19 =x

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4 0
3 years ago
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Ann [662]
0.2 repeating is 0.2222222222...
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3 0
3 years ago
Can someone help please and thank you.
natita [175]

5)

Equilateral triangle, all sides are equal

So 2x + 5 = 11

2x = 6

x = 3

Answer is the first one

3; Equilateral theorem


6)

Isosceles triangle has at least two congruent sides.

So 6x = 24

x = 4

Answer x = 4

Converse of the Base Angle Theorem


7)

5x + 7 = 52

5x = 45

 x = 9

Answer

x = 9

Base angle theorem


8)

5y - 14 = 3y

2y = 14

 y = 7

Answer

7; Equiangular theorem


4 0
3 years ago
Add. write your answer in simplest form.<br> -4 _/135 + 7 _/15
Zarrin [17]

\huge\quad\qquad\underline{{\sf Answer}}

Let's solve ~

\qquad \sf  \dashrightarrow \:  - 4 \sqrt{135} + 7 \sqrt{15}

\qquad \tt \dashrightarrow \: - 4 \sqrt{5 \times3 \times 3 \times 3}  + 7 \sqrt{15}

\qquad \tt \dashrightarrow \:( - 4 \times 3) \sqrt{5 \times 3}  + 7 \sqrt{15}

\qquad \tt \dashrightarrow \: - 12 \sqrt{15 }  + 7 \sqrt{15}

\qquad \tt \dashrightarrow \: - 5 \sqrt{15}

7 0
2 years ago
A triangle has a side length of 6 centimeters , 8 centimeters, and 12 centimeters the triangle is to be enlarged by a scale fact
marshall27 [118]

Answer:

30 centimeters

Step-by-step explanation:

12 times 2.5 = 30

8 0
3 years ago
Read 2 more answers
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