Answer:
Step-by-step explanation:
Answer:
x
=
3
10
+
1
10
29
or
x
=
3
10
+
−
1
10
29
You multiply 3x - y = 3.
So then it's:
6x - 2y = 3
-2x + 2y =6
which equals 4x = 9
Answer:
Range = highest observation - lowest observation
180-157 = 23
Answer:
30 inches
Step-by-step explanation:
The circumference of a circle can be found by using 2
r, or
* d.
Since we are given the circumference of the circle, 30
, you can find the diameter by solving for the diameter (after substituting in the circumference) in the formula for circumference.

To cancel out
you can divide both sides of the equation by pi. Now you have:
30 = d
Therefore the diameter of the circle is 30 inches.