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Ronch [10]
3 years ago
11

Please help me with 13-20 but I need help with 13-18 to find x because its hard for me and 19-20 to find BC and find triangle PQ

R

Mathematics
1 answer:
AveGali [126]3 years ago
5 0
We are seeing 30, 60, 90, triangles, and 45, 45, 90, triangles.
13. 3 root 3
14. 5 root 2
15. 7/2 root 2
16. 3/2 root 2
17. 7.5 root 3
19. bc is squared root 37
20. 32 + 32 root 3
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A painting has an area of 108 square inches. The dimensions of the painting are 12 and x + 3. What is the perimeter of the paint
dmitriy555 [2]

Answer:

42 inches square

Step-by-step explanation:

x=6

108/12=9

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6 0
3 years ago
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Please help ASAP !!15 points!!
DIA [1.3K]

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3 years ago
A triangle has an area of 36 cm². The base and height are scaled by a factor of 5.
ahrayia [7]
Triangle Area = .5 * (base * height)
36 = (base * height) / 2
So let's say base = 9 height 8
If base and height are scaled by a factor if 5 than
base = 45 height 40 and
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area = 900

Basically, the area increases by a factor of 25.
The base increases by 5 and the height increases by 5 so the area increases by 5*5 = 25

4 0
3 years ago
Someone help me!!!please
gregori [183]

9514 1404 393

Answer:

  115 square units

Step-by-step explanation:

The area of a parallelogram is the product of base length and height. The height is the perpendicular distance between the bases.

  A = bh

  A = (23)(5) = 115 . . . . square units

8 0
2 years ago
Find the value of x. If necessary, write your answer in simplest radical form.<br> 12<br> 9
Kobotan [32]

Answer:

3√7

Step-by-step explanation:

9²+B²=12²

simplify

81+B²=144

minus the 81

B²= 63

3 0
2 years ago
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