Answer:
The circumference of the yellow circle is 
or 
approximately, the circumference of the blue circle is 
or 
approximately, the circumference of the green circle is 
or 
approximately, the circumference of the red circle is 
or 
approximately, and the circumference of the pink circle is 
or 
approximately.
Step-by-step explanation:
To find the circumference of a circle, you need to multiply the diameter of the circle and multiply it by 
. In this case, the circumferences of the yellow circle are or approximately , the circumference of the blue circle is or approximately , the circumference of the green circle is or approximately , the circumference of the red circle is or approximately , and the circumference of the pink circle is or approximately .
Expression:
2 * x = 15
Hope that helped!
Answer:
x=−50
Step-by-step explanation:
Answer:
x = 100
Step-by-step explanation:
(x - 20) + x = 180
2x - 20 = 180
<u> + 20 +20</u>
2x = 200
x = 200/2
x = 100
Answer:
The equation is equal to
Step-by-step explanation:
Let
x -----> the number
we know that
The equation that represented the problem is equal to
Solve the quadratic equation by graphing
The solution are x=-2 and x=4
see the attached figure
therefore
The number can be -2 or 4
