Answer:
The answer to your question is 2√233 ≈ 30.5
Step-by-step explanation:
Data
(x² + 24x ) + (y² + 4y ) = 85
Process
1.- Complete the perfect square trinomials
(x² + 24x + (12)²) + (y² + 4y + (2)²) = 85 + 12² + 2²
2.- Simplify
(x² + 24x + 144) + (y² + 4y + 4) = 85 + 144 + 4
(x + 12)² + (y + 2)² = 233
3.- Calculate the radius
radius² = 233
radius = √233
diameter = 2radius
diameter = 2√233 ≈ 30.5
Answer:
3.46209 x 10^1
Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10.
Answer:
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
x - 12 / x + 36 = 0
Multiply both sides by x + 36
x - 12 = 0 ✖ (x + 36)
x - 12 = 0
Add 12 to both sides
x - 12 + 12 = 0 + 12
x = 12
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