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Simora [160]
3 years ago
12

Reflect the figure over the line y-2. Please help

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0
(5,0) (9,6) (7,7) (2,7)
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Help needed desperately
Aneli [31]

Answer:

80° , 100°, 80°

Step-by-step explanation:

∠ 1 and ∠ 2 form a straight line and sum to 180° , then

2x + 40 + 2y + 40 = 180

2x + 2y + 80 = 180 ( subtract 80 from both sides )

2x + 2y = 100 → (1)

∠ 1 and ∠ 3 are vertical angles and are congruent , then

2x + 40 = x + 2y ( subtract x from both sides )

x + 40 = 2y ( subtract 40 from both sides )

x = 2y - 40 → (2)

Substitute x = 2y - 40 into (1)

2(2y - 40) + 2y = 100

4y - 80 + 2y = 100

6y - 80 = 100 ( add 80 to both sides )

6y = 180 ( divide both sides by 6 )

y = 30

Substitute y = 30 into (2)

x = 2(30) - 40 = 60 - 40 = 20

Thus x = 20 and y = 30

Then

∠ 1 = 2x + 40 = 2(20) + 40 = 40 + 40 = 80°

∠ 2 = 2y + 40 = 2(30) + 40 = 60 + 40 = 100°

∠3 = x + 2y = 20 + 2(30) = 20 + 60 = 80°

8 0
2 years ago
If you can help with as many as you can that would be greatly appreciated.
Solnce55 [7]
9.   0.26666
10. 2.375
11. 7/20
12. 206111/<span>50000</span>
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The box plot was created by using which pieces of data?
exis [7]

Answer:

the numbers that you have

4 0
2 years ago
Read 2 more answers
What is twelve divided by two fifths
salantis [7]

Answer:

30

Step-by-step explanation:

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137000 nearest ten thousand
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140,000 is your answer. 
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