M/-5+3=-4.5 -4.5-3=-7.5
m/-5=-7.5 -7.5×-5=37.5
m=37.5
I basically did PEMDAS in reverse... and flipped the signs.
Let a be the arc length...
a/(2πr)=90/360
a/(2πr)=1/4
a=πr/2 and r=7.5 so
a=3.75π cm
a≈11.78 cm (to the nearest one hundredth of a cm)
Answer:
no it is not a right angle triangle
Answer: James was charged with $180 more for the year that Betty
Step-by-step explanation: So I dont know how your money currency works sorry, also Ive never done this kind of math problem so I dont know if its right