X + 3x + 4x = 56
8x = 56
x = 7
The shortest piece is 7 inches
The middle piece is 7*3 = 21 inches.
The longest piece is 4*7 = 28 inches
Check
7 + 21 + 28 = 56 It does check and the lengths are correct.
Answer:
0 so D
Step-by-step explanation:
The shape didnt change at all. All the sides are 5 for both triangles.
Answer:

Step-by-step explanation:
Given the function
and the output
when
, we can write the equation:



We can insert the value of
into the function to verify the output equals
:



∴ We have verified that 
Hope this helps :)
Answer: G = 50°, I = 50°, H = 80°
Step-by-step explanation:
First and foremos, the sum of three angles of a triangle is 180°
2x + 2x + (4x - 20) = 180°
8x - 20 = 180°
8x = 180° + 20 (adding 20 on both sides)
8x = 200°
x = 200/8
x = 25
The value of the angles can be found by replacing the value of x with 25
2x = 2 x 25 = 50°
Therefore, the angle of two angles are 50°
And the other is (4 x 25) -20 = 80°
Answer:
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjTs6Grhv3gAhUSJTQIHacODEgQjRx6BAgBEAU&url=http%3A%2F%2Fwww.1728.org%2Fquadtrap.htm&psig=AOvVaw1WUFCr5yJyx6GQDh_caBfn&ust=1552495399972536