Answer:
They swam 15 days
Step-by-step explanation:
Divide 48 by 3.2
Answer:
(x + 9)² = 36
Step-by-step explanation:
Given
x² + 18x + 57 = 12 ( subtract 57 from both sides )
x² + 18x = - 45
To complete the square
add ( half the coefficient of the x- term)² to both sides
x² + 2(9)x + 81 = - 45 + 81
(x + 9)² = 36
Answer: x = √58
Decimal: 7.6157710 (Not Rounded)
Explanation: Using pythagorean theorem because it’s used for right triangle when mostly trying to find the hypotenuse.
3^2 + 7^ = c^2
20 cm is the answer good luck
