Answer:
0.35
Step-by-step explanation:
I hope its right!!!
- use sin (opp/hyp)
- Plug in values so: sin45=x/2
- Switch the sin45 and x place, they are "equal" in a sense
- Simplify in calculator
Part 1) The equation of a circle is (x+4)²+(y−5)²<span>=121.
What is the center and radius of the circle?
we know that
the equation of a circle is of the form
(x-h)</span>²+(y-k)²=r²
in the problem
(x+4)²+(y−5)²=121.------> (x+4)²+(y−5)²=11²
the center (h,k) is the point (-4,5) and the radius is 11
Part 2) we have that
(x+15)²+(y−12)²=25-------> (x+15)²+(y−12)²=5²
we know that
<span>the greatest distance, in feet, a person could be from the lamp and be detected is the radius
</span>
the radius is equal to 5 ft
the answer Part 2) is 5 ft
Part 3) we have that
(x−9)²+(y+11)²=16--------> (x−9)²+(y+11)²=4²
the radius is equal to 4 m
so the diameter is ------> 4*2-----> 8 m
the answer Part 3) is
8 m
I don’t see any question, but if you meant by: “What does these two lines mean?” they mean that something is parallel to each other, for example two angles in geometry.
Hope this helps!
Its all up to you and how hard you are willing to work to get that may credits in one semester. But you could do it. Hope that helped!
