It will be 80 because 80/4=20 and 20+80=100
Answer:
x = 
Step-by-step explanation:
3(2x - 3) + 4(2 - x) = 0 ← distribute parenthesis
6x - 9 + 8 - 4x = 0 , that is
2x - 1 = 0 ( add 1 to both sides )
2x = 1 ( divide both sides by 2 )
x = 
A = s^2
A = 40
40 = s^2...by taking the square root of both sides, u eliminate the ^2
sqrt 40 = s
6.32 = s <===
Answer:
? = 30
Step-by-step explanation:
If the triangles are similar, then the only way I see this working is the sides measuring 63 and 54 are corresponding. The sides measuring 56 and 48 are corresponding. That leaves the sides measuring 35 and ? corresponding.
Set up a proportion.
63/54 = 35/?
63? = 54 * 35
63? = 1890
? = 30