Chapter 9: Q63. (page 480)

Solve the equation. Round to the nearest hundredth if necessary.
$3 x^{2} + 5 = 30$

Short Answer

Expert verified

The solution is $x = 2.89$ .

Step by step solution

Step 1. Given Information.

The given equation is $3 x^{2} + 5 = 30$ .

Step 2. Calculation.

The given equation can be simplified as,

$\begin{matrix} 3 x^{2} + 5 = 30 \\ 3 x^{2} = 30 - 5 \\ 3 x^{2} = 25 \\ x = \sqrt{\frac{25}{3}} \end{matrix}$

On further simplification,

$\begin{matrix} x = 2.886 \\ x \approx 2.89 \end{matrix}$

Step 3. Conclusion.

The solution for the given equation is $x = 2.89$ .

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Solve the equation. Round to the nearest hundredth if necessary.
$3 x^{2} + 5 = 30$

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

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Solve the equation. Round to the nearest hundredth if necessary.3x2+5=30

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Calculation.

Step 3. Conclusion.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Discrete Mathematics

Statistics

Calculus

Probability and Statistics

Decision Maths

Logic and Functions

Study anywhere. Anytime. Across all devices.

Solve the equation. Round to the nearest hundredth if necessary.
$3 x^{2} + 5 = 30$