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Wittaler [7]
2 years ago
5

I need help with this? i’m so confused

Mathematics
1 answer:
Sever21 [200]2 years ago
8 0

Answer:

See below

Step-by-step explanation:

In #4, the angles are vertical because the angles are congruent to each other. Therefore, you would set up the equation x+8=120 where x=112.

In #5, the angles are complementary because their sum is 90°. Therefore, you would set up the equation 43+x+3=90 where x=44.

In #6, the angles are supplementary because their sum is 180°. Therefore, you would set up the equation 76+2x+4=180 where x=50.

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Alejandra and her father tile a bathroom floor. They used 48 tiles that measure 1 foot on a side. One side of the bathroom is 8
Phantasy [73]

Answer:

6

Step-by-step explanation:

48 tiles divided by 8 ft is 6 ft

5 0
3 years ago
In a normal distribution, the mean is ____ it's mean and mode
Blizzard [7]
In a normal distribution, the median (I think you meant to say) is equal to the mean and mode.
6 0
3 years ago
If Levi purchased a total of 50 ride tickets and game tickets at the amusement park and spent $29. If right tickets cost $.75 ea
erica [24]

Answer: he purchased 16 ride tickets.

Step-by-step explanation:

Let x represent the number of ride tickets that he purchased.

Let y represent the number of game tickets that he purchased.

Levi purchased a total of 50 ride tickets and game tickets at the amusement park. It means that

x + y = 50

If ride tickets cost $.75 each and game tickets cost $.50 each and the total amount spent on the tickets is $29, it means that

0.75x + 0.5y = 29- - - - - - - - - - - -1

Substituting x = 50 - y into equation 1, it becomes

0.75(50 - y) + 0.5y = 29

37.5 - 0.75y + 0.5y = 29

- 0.75y + 0.5y = 29 - 37.5

- 0.25y = - 8.5

y = - 8.5/-0.25

y = 34

x = 50 - y = 50 - 34

x = 16

5 0
3 years ago
Jason can paint a wall in 20 minutes. Leah can paint the same wall in 10 minutes.
Vilka [71]

Answer:

There is no solution to this answer.

Step-by-step explanation:

Leah's rate is 10x

Jason's rate is 20x

If you solve for 20x=10x, you get no solution. They are parallel lines.

8 0
3 years ago
The price of an item has risen to $152 today. Yesterday it was $95. Find the percentage increase.
Oksanka [162]

Answer:

60% increase

Step-by-step explanation:

152 - 95 = -57

57 / 95 = 0.6

0.6 x 100 = 60

5 0
2 years ago
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