Question
Solve the equation
r=158
Alternative Form
r=0.53˙
Evaluate
54=23r
Swap the sides of the equation
23r=54
Multiply by the reciprocal
23r×32=54×32
Multiply
r=54×32
Solution
More Steps

Evaluate
54×32
To multiply the fractions,multiply the numerators and denominators separately
5×34×2
Multiply the numbers
5×38
Multiply the numbers
158
r=158
Alternative Form
r=0.53˙
Show Solution

Rewrite the equation
225x2+225y2=64
Evaluate
54=23r
Multiply both sides of the equation by LCD
54×10=23r×10
Simplify the equation
More Steps

Evaluate
54×10
Simplify
4×2
Multiply the numbers
8
8=23r×10
Simplify the equation
More Steps

Evaluate
23r×10
Simplify
3r×5
Multiply the numbers
15r
8=15r
Rewrite the expression
−15r=−8
Divide both sides of the equation by −1
15r=8
Square both sides of the equation
(15r)2=82
Evaluate
225r2=82
To covert the equation to rectangular coordinates using conversion formulas,substitute x2+y2 for r2
225(x2+y2)=82
Evaluate the power
225(x2+y2)=64
Solution
225x2+225y2=64
Show Solution
