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Anna [14]
3 years ago
6

Yo can someone help me out

Mathematics
2 answers:
amid [387]3 years ago
8 0

Answer:

x = 21

Step-by-step explanation:

corresponding sides in similar polygons are proportional:

set a proportion: BC/FK = CA/KJ => 18/6 = x/7 => x = 18 × 7 ÷ 6 = 21

weqwewe [10]3 years ago
4 0
X=21 I think maybe yeah
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How do you simplify 243 1/5
8_murik_8 [283]

Answer:

Step-by-step explanation:

To simplify to a improper fraction, you do 243 times 5, which is 1215, then add 1, which is 1216

6 0
3 years ago
QUESTION 4 What is the area of the square in square meters and square centimeters? 64 m² and 640,000 cm² 64 m² and 6400 cm² 6400
amm1812

Answer:

64 meters squared and 6400 centimeters squared

Step-by-step explanation:

Hope this helped. First do 8*8 for square meters then do 64 * 100 to get 6400 centimeters squared.

6 0
3 years ago
Resolva os sistemas abaixo <br> 2x+3y=80<br> 3x+2y=70<br><br><br><br> X=8y<br> X+4y=480
timurjin [86]
Solución 1: 2(x) + 3(y) = 80
solución 2: 3(x) + 2(y) = 70

3(y) + 2(x) = 80
2(y) + 3(x) = 70

2y = -3x + 70
y = -3x÷2 + 35

2x + 3(-3x÷ 2+35) = 80  
-5x÷2 = -25  
-5x = -50

5x = 50   
x-intercept: 10 
x = 10  
y = -3x÷ 2+35

  y = -(3÷2)(10)+35 = 20 

x-interpcet: 10
y-intercept: 20
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
solución: x - 8y = 0
solución x + 4y = 480

-8y + x = 0
4y + x = 480

x-intercept (solución 2)
x = -4x + 480

x-intercept (solución 1)
4y + 180 - 8y = 0
-12y = 480

y-intercept: 40
x-intercept: 320


Buena Suerte!


7 0
3 years ago
Identify the value of b. PLEASE HELP!!
Degger [83]

Answer:

  b = 18

Step-by-step explanation:

From an external point, the products of distances to the near circle intercept and the far circle intercept are the same. For a tangent, such as AC, point A is both the near and far intercept point, so that product is the square of the length of AC.

  (AC)² = (CG)(CV)

  b² = 12·27 = 324 . . . . substitute known values

  b = √324 . . . . . . . . . . take the square root

  b = 18

7 0
3 years ago
What is the surface area of the cylinder? Express the answer in terms of pi
Sholpan [36]
Bonjour,

answer ≈ 522.92

working
A= 2πrh+2πr^2
=2 x π x 4 x 18+2 x π x 4^2
≈552.92031
4 0
3 years ago
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