Answer:
B. -8
Step-by-step explanation:
x-3y=136
18x+3y=-288
add the equations
19x=-152
divide by 19
x=-8
Answer:
The number of pages in each book varies more last summer than this summer
We know that
the perimeter of a circumference=2*pi*r
<span>If the perimeter of a sector is 4 times its radius, then the arc measure of the sector is (4r-2r)----> 2r
so
if 2*pi radians (full circle) has a length------------------> 2*pi*r
X radians -------------------------------------------> </span>2*r (the sector)<span>
X=2*r*(2*pi)/(2*pi*r)-----> x=2
the answer is
2</span>
