Answer:
Step-by-step explanation:
15 x 7 = 105
The gap is either 9 x 7 =63 or 12 x 7 = 84
105 - 84 = 21
105 - 63 = 42
So the shaded area is either is 21 or 42
Answer:
6300
Step-by-step explanation:
253 is closer to 300 than to 200
Answer:

Step-by-step explanation:
The swing of the tip of pendulum is creating an arc. The question is actually asking for the length of this arc. The length of an arc is given by
, where
is the radius of the circle and
is the angle of the arc.
In this problem, we're given:

Substituting given values, we get:

Answer:
just multiply every number by 2 and it should work out.
Step-by-step explanation:
= 16 + 49 - 3(11) - 4(10)
= 16 + 49 - 33 - 40
= -8