Answer:
The distance the tip of the second hand travels in 10 minutes is 502 cm.
Step-by-step explanation:
Given : The second hand on a clock is 8 cm long.
To find : What is the distance the tip of the second hand travels in 10 minutes?
Solution :
The circumference of clock is 
The radius is r=8 cm


i.e. in 1 minute it cover 
In 10 minutes it cover 
In 10 minutes it cover 
In 10 minutes it cover 
Therefore, the distance the tip of the second hand travels in 10 minutes is 502 cm.
The answer is g13. The 13 is the exponent.
Answer:
4
Step-by-step explanation:
a + 12/3 = 8
a + 4 = 8
a = 8 - 4
a = 4
Answer:

Step-by-step explanation:
Let
x ----> the number of coney dogs remained
y ----> the number of hot dogs remained
we have
x=4,y=7
we know that
To find our the ratio of coney dogs to hot dogs, divide the number of coney dogs by the number of hot dogs
so

substitute the given values

Answer:
2π/3, 4π/3
Step-by-step explanation:
I interpret your question as asking us to solve the equation
2cos(x) + 1 = 0
2cos(x) = -1
cos(x) = -½x
x = arccos(-½), 0 ≤ x ≤2π
Since the cosine is negative, x must be in the second or third quadrant.
Referring to the unit circle, we find that
x = 2π/3 (120°) or x = 4π/3 (240°)