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iris [78.8K]
1 year ago
7

PLs help need this asap

Mathematics
1 answer:
kkurt [141]1 year ago
6 0

Answer:

Step-by-step explanation:

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If the perimeter of Triangle XYZ is 56 cm, what is the perimeter of Triangle ABC?
Troyanec [42]

Answer:

28 cm

Step-by-step explanation:

Triangle ABC is obtained by joining the mid points of the sides of triangle XYZ.

So, perimeter of triangle ABC will be equal to half of the perimeter of triangle XYZ.

P(\triangle ABC) = \frac{1}{2} \times P(\triangle XYZ)

P(\triangle ABC) = \frac{1}{2} \times 56

P(\triangle ABC) = 28\: cm

6 0
2 years ago
Ten pieces of paper numbered consecutively from 1 to 10 are put into a hat. if three pieces of paper are drawn at random from th
DaniilM [7]

There are 5 even numbers from 1 to 10.


The number of ways to draw all even numbers is 5!/(2!*3!) = 10


The number of ways to draw from the hat is 10!/(7!*3!) = 128


Therefore the probability is 10/128 = 5/64 or roughly 7.81%

7 0
3 years ago
Write an equation that is parallel to the line 4x - y = 2 and passes through the point (-2, 3)
sergeinik [125]
We can start from the given line's coefficients and translate the line from the origin to the given point.
  4(x -(-2)) -(y -3) = 0
  4x +8 -y +3 = 0

The equation of the desired line is ...
  4x -y = -11

_____
For standard form line ax+by=c, any parallel line will have only a different value of c. For c=0, the line goes through the origin (0, 0). To make it go through point (h, k) we can write it as
  a(x-h) +b(y-k) = 0
which is completely equivalent to
  ax +by = ah +bk

7 0
3 years ago
Original price: $33.75, markdown 75%
Cloud [144]

Answer:

$25.31

Step-by-step explanation:

If you multiply 33.75 by .75 you get your answer.

4 0
3 years ago
Read 2 more answers
Which of the following is a defined term<br> A. Angle <br> B. Line <br> C. Point <br> D. Plane
siniylev [52]
In Geometry.... the following defined terms are: line, point, and plane.
7 0
3 years ago
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