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77julia77 [94]
2 years ago
9

Vertical angles must : check all that apply

Mathematics
2 answers:
olga nikolaevna [1]2 years ago
7 0
Answer: Options A and C
trapecia [35]2 years ago
3 0

Answer: B and C

Step-by-step explanation: For A, vertical angles can be complimentary or supplementary. For D, vertical angles can sometimes be acute but not always.

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Solving system of equations with substitution.
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Answer:

Hope it helps!

Step-by-step explanation:

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plug x=1 into y=5x

y=5

Checking work

Plug (1,5) into y=2x+3

5=2(1)+3

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Plug (1,5) into y=5x

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3 years ago
Harry, Peter and 7 girls sit in a row. Harry can't sit in an end seat. In how many ways can they be arranged?
Sonja [21]
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4 0
3 years ago
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a class with 30 students had an average score of 80 on a test. A class with 20 students had an average score of 90 on the same t
snow_tiger [21]

The average score of all the students in both classes is 84.

<h3>How to calculate the average?</h3>

The class with 30 students had an average score of 80 on a test. The total score will be:

= 30 × 80

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A class with 20 students had an average score of 90 on the same test. The total score will be:

= 20 × 90

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Number of students = 20 + 30 = 50

The average score will be:

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Learn more about average on:

brainly.com/question/24313700

#SPJ1

8 0
1 year ago
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Olenka [21]

Answer: $283

Step-by-step explanation:

If you subtract 458-175 you get 283 so that how much Megan can spend.

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Answer:

10+5=15 sow longer trail is 15

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3 years ago
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