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Alex_Xolod [135]
3 years ago
10

Anyone can help me ?

Mathematics
1 answer:
qaws [65]3 years ago
5 0

9514 1404 393

Answer:

  • ∠x = 80°
  • ∠y = 40°
  • ∠z = 60°

Step-by-step explanation:

The angle marked x and the one marked 100° form a linear pair, so are supplementary. The measure of x is ...

  x = 180° -100° = 80°

__

The angle marked 40° and the one marked y are "alternate interior angles" with respect to the parallel lines and the diagonal that crosses them. As such, they have the same measure:

  y = 40°

__

The angle marked 100° and the sum of angles in the lower right corner are "corresponding" angles, so have the same measure. That is ...

  100° = 40° +z

  z = 100° -40° = 60°

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3 0
3 years ago
The wholesale cost of a bicycle is $98.75.
mixer [17]

Answer:

$131.60

Step-by-step explanation:

For the promotion, markup is 33.3% of the selling price.

Now, Selling Price = Cost price + Cost price*Markup

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8 0
2 years ago
What is the perimeter of triangle PQR? Show your work.
zubka84 [21]
You know that the two triangles are congruent because two sides and one angle are congruent.

According to CPCTC, corresponding parts of congruent triangles are congruent, which means that PR and SU are equal.

3y-2=y+4
3y=y+6
2y=6
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3(3)-2=9-2=7

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The perimeter is 17 feet.

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6 0
3 years ago
What is the value of 25 – 5 × 8 – 4?
Galina-37 [17]

Answer:

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Read 2 more answers
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