Answer:
28 is added by -8 equals 20
Step-by-step explanation:
The equation to calculate something added by -8 equals 20 is as follows:
x-8 = 20
x = 20+8
x = 28
28 is added by -8 equals 20
Answer:
130° is the answer to it
Step-by-step explanation:
180-50=130
Answer:
Circumference of a circle= 
Step-by-step explanation:
The circumference of any circle is the total length of its boundary which can be calculated by the formula:
Circumference of a circle=
Where 'r' is the radius of the circle
For, the given circle the circumference can be find in terms of 
by putting some value of radius in the formula, which gives the circumference in terms of .
Fourth one since x is 2 and the y is 1
If the ratio is 90:3 and there are 4 groups of 3 in 12, then the ratio would then be 450:12, leaving you with 450 as the answer. Hope I helped
