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uysha [10]
3 years ago
14

Need help please :))

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
7 0
Vertical angles are equal, so
.. 2y +5 = 4y
.. 5 = 2y . . . . . . . . subtract 2y from both sides of the equation
.. 5/2 = y . . . . . . . divide by the coefficient of y

This answer corresponds to the 4th selection.
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Please help me answer this question!!!
boyakko [2]

Answer:

B

Step-by-step explanation:

<STR = <SRT                      Given the markings of the triangle

<STR + <STU = 180            Supplementary angles

(2x - 9) + 7x = 180               Remove the brackets

2x - 9 + 7x = 180                 Combine

9x - 9 = 180                         Add 9 to both sides

9x = 180 + 9                        Combine

9x = 189                              Divide by 9

9x/9 = 189/9

x = 21

8 0
3 years ago
A = (-123) + 77 + (-257) + 23 – 43
irga5000 [103]

Answer:

A=-323

Step-by-step explanation:

A = (-123)+77+(-257)+23-43

A = -46+(-257)+23-43

A = -303+23-43

A = -280-43

A = -323

Hope this helps

7 0
3 years ago
Each candle uses 10 ounces of wax and 1 ounces of scent. Explain in complete sentences how I can determine the number of candles
Sphinxa [80]

You would multiply 50x16 being 16 ounces= 1 pound and than divide that by 10

4 0
3 years ago
How many times larger is 70 than 7
insens350 [35]
The answer is 10. Hope I helped
8 0
3 years ago
Read 2 more answers
Daniel guesses that he scored a 95 on his science test.His actual score is 91. What is the percent error in Daniel's guess? Roun
Kamila [148]
1) Formula for the percent of error:

                               [estimated measure - real measure]
Percent of error = ---------------------------------------------------- x 100
                                            real measure

2) Calculations:

                             [95 - 91]
Percent error =  --------------- x 100 = 4.4 %
                                 91

Answer: 4.4%
3 0
3 years ago
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