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Tanya [424]
2 years ago
5

SEE IMAGE PLEASE !!!

Mathematics
2 answers:
murzikaleks [220]2 years ago
5 0

Answer:

A. 38

Step-by-step explanation:

Diagonals of a rhombus bisect 90° at the center. Taking O to be the center :

  • 90° + x° + (x +14)° = 180° [Angle Sum Property]
  • 2x + 104 = 180
  • 2x = 76
  • x = 38
  • Option A
inysia [295]2 years ago
4 0
Center of rhombus bisects 90°.

Sum of angles in triangle = 180°
x + x + 14 + 90 = 180
2x + 104 = 180
2 (x + 52) = 180
x = (180 ÷ 2) - 52
x = 90 - 52
x = 38°


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Answer:

B and C

Step-by-step explanation:

Jane found multiples of 8 instead of factors and should've gotten 1, 2, 4, and 8 as her answer.

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Answer: (4, -5)

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topjm [15]

Answer: rate of train A = 120 km/h

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Step-by-step explanation:

Let x = the speed of train A

Let y = the speed of train B

One train travels 19 km/h slower than the other. Let train B be the slower train. Therefore,

x = y + 19 - - - - - - - - - -1

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x × 3 = 3x km

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Train A and Train B were 663 kilometers apart when they left their respective destinations. They left at the same time and travelled towards each other. This means that if they meet in 3hours time, they must have covered a total of 663 km. Therefore,

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