Answer:
Solution: x = 135
Step-by-step explanation:
Hi there!
First, let´s write the equation:
√(x + 9) /4 = 3
Multiply by 4 both sides of the equation
√(x + 9) = 12
square both sides of the equation
x + 9 = 144
subtract 9 to both sides of the equation
x = 135
Let´s check the solution:
√(x + 9) /4 = 3
x = 135
√(135 + 9) /4 = 3
√(144) /4 = 3
12/4 = 3
3 = 3
Then, x = 135 is the solution to the equation.
Have a nice day!
The correct answer would be A! (:
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Evaluating the numerator and denominator before evaluating
Using the rule of exponents
⇔ , = 1
Thus
y² ← substitute values into expression
= × 4² = × 16 =
and denominator
= 1 × 4³ = 1 × 64 = 64
Now dividing
÷ 64
= × ( cancel 16 and 64 )
= =
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