the answer should be option A
12 I just solved this one!
F(x)=2x^2-10
f(5)=2(5^2)-10
f(5)=2(25)-10
f(5)=50-10
f(5)=40
2x + 100 = 5x + 55
3x = 45
x = 15
2(15) + 100 = 130
180-130 = 50
so angle 2 is 50 degrees
Convert 7500 Millimeters to Decimeters (mm to dm) with our conversion calculator and conversion tables. To convert 7500 mm to dm use direct conversion formula below.
7500 mm = 75 dm.
You also can convert 7500 Millimeters to other Length (popular) units.
so it will be A 75DECIMETERS