Answer:
Angle y and Angle x are complementary angles
Step-by-step explanation:
we know that
If
sin(y°)=cos(x°)
then
Angle y and Angle x are complementary angles
so
∠y+∠x=90°
∠x=90°-∠y
sin(y°)=cos(90°-y°)
therefore
The sine of an angle is equal to the cosine of its complementary angle
It would take him 2.5 hrs because when you divide 10 by 4 that's what you get
Answer:
2x+3(10+x)
Step-by-step explanation:
I'm not sure but I think this might be the answer