Answer:
A. 78
Step-by-step explanation:
2a+24= 180
-24 -24
2a= 156
divide each side by 2
a= 78
This is what I would do.
The general formula for the circumference of a circle is
where r is the length of the radius of the circle. Simply use the formula to find r so that you can draw the circle:
Now, draw a circle with a radius of 1.571 inches. This number has been rounded up to 3 significant figure. Hope this helps!
Hello,
Answer C
y=3x+1
y=-x+5
==>3x+1=-x+5
==>4x=4
==>x=1 and y=-x+5=-1+5=4
(1,4) is the solution.
Answer:
1 and 3/4 days are equal to 42 hours
Step-by-step explanation:
42 hours = (42 hours) (1 day / 24 hours)
42 hours = 42/24 days
Simplyfing the fraction: Dividing the numerator and denominator by 6:
42 hours = (42/6) / (24/6) days
42 hours = 7/4 days
42 hours = (4+3)/4 days
42 hours = (4/4+3/4) days
42 hours = 1 3/4 days
The answer to you question is b