The answer is 6x. You divide 42 by 7. Take out the x. 42 divided by 7 will equal 6.
Answer:5
Step-by-step explanation:
Sent a picture of the solution to the problem (s).
The answer:
First: sec(-pi) is sec(pi)
And sec(pi) is -1
Answer:
Radius, r, is 3.75
Step-by-step explanation:
From the given diagram,
AB = 9
AC = 6 + r
BC = r
Thus applying the Pythagoras theorem, we have;
= +
= +
36 + 12r + = 81 +
collecting like terms,
12r = 81 - 36
12r = 45
r =
= 3.75
r = 3.75
The radius is 3.75.