Answer:
1/2
Step-by-step explanation:
0.30= 3/10, 3/10 =2/10 = 5/10. 10/10-5/10=5/10, 5/10=1/2
K+3=-9
k=-12 is the answer
Answer:
25
Step-by-step explanation:
AB is a tangent to the circle hence the angle ABO is a right angle !!! With that knowledge we can construct a right-angled triangle with sides AB ,BO and OA .
Applying the Pythagorean theorem we get that OA is the hypotenuse and thus
