Answer:
option 2.
the others are simultaneous equations in two unknowns but 7x-2y have the same value and the value can't be two different things at once
Answer:
43°
Step-by-step explanation:
From the diagram
∠xwy=∠xyw = isosceles triangle where base angles are equal
∠y= ∠w = (180-86)÷2 = 47°
if ∠xzy=90° and ∠xyz =47° then ∠d=?
∠d= 180°-(90°+47°)
∠d=180°-137° =43°
What do you need help with?
9514 1404 393
Answer:
7 1/2 miles
Step-by-step explanation:
The ratio of miles to inches is ...
miles/inches = 3/(2/5) = 15/2 miles/inch
Each inch represents 15/2 = 7 1/2 miles.