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Akimi4 [234]
3 years ago
8

50 POINTS: Please help thank you so much!! (Image attached) The polygons are similar. Find the values of the variables.

Mathematics
1 answer:
nadya68 [22]3 years ago
7 0

Answer:

x = 3/5√10

y = 2√10

Step-by-step explanation:

using the Pythagorean theorem:

y² = 7² - 3² = 49 - 9

y² = 40

y = 2√10

3/4.5 = y/5x

4.5y = 15x

substitute for y:

4.5(2√10) = 15x

15x = 9√10

divide both sides of the equation by 15:

x = (9√10)/15 = 3/5√10

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Please help thank you.
Marizza181 [45]
Area of the full circle would be PI x r^2 = PI x 6^2 = 36 *3.14 = 113.04

the angle is 165

 so area = 165/360 x 113.04

area = 51.8 in^2

 answer is B


7 0
4 years ago
The perimeter of a triangle is 34cm. What are the lengths of the sides if the first side is twice the length of the second side
dybincka [34]

Answer:

8sm, 16sm, 10sm

Step-by-step explanation:

the first side of the triangle: x

the other side of the triangle: 2x

the third side of the triangle: x+2

the perimeter of the triangle: x+2x+x+2=34

4x=32

x=8

2*8=16

8+2=10

4 0
2 years ago
Nan rode the roller coaster 8 times, which was twice as many times as she rode the F erris wheel
lyudmila [28]

So she rode the Ferris Wheel 4 times. 8/2= 4

8 0
3 years ago
6. What percentage of the children in class 5 is a member of a sports club? 3
Juliette [100K]

Answer:

75%

Step-by-step explanation:

Let x be the percentage for sports club members.

x% of 20 = 15

x/100 x 20 = 15

x/5 = 15

x = 75

5 0
3 years ago
The image of the point (6, -9) under a translation is (11,-4). Find the coordinates
yaroslaw [1]

Answer:

( - 6 , - 1 )

Step-by-step explanation:

Let's find the rule of that transformation:

1 +  = 4 ⇒  = 3

9 +  = 10 ⇒  = 1

Thus, the rule of given transformation is ( x + 3 , y + 1 )

So, the image of the point ( - 9 , - 2 ) is

( - 9 + 3 , - 2 + 1 ) = ( - 6 , - 1 )

3 0
2 years ago
Read 2 more answers
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