Answer:
x = 3??
Step-by-step explanation:
We'll use the Pythagorean Theorem
130^2 = side^2 +50^2
side ^ 2 = 16,900 -2,500
side ^ 2 = 14,400
side = square root (14,400)
side = 120 feet
138 x ? = 75
? = 75/138 = 0.544(3sf)
so about 54.35% (2dp) decrease
first get all variables on the same side, then use elimination to solve.
x = -3
y = -11
Answer:
Step-by-step explanation:
1. 15/16
2. 2/1
3. 3/2
4. 41/50