OpenStax, Elementary Algebra 2e §9.6 Solve Equations with Square Roots · Example 13 · Algebra · Radicals & surds

Solve Equations with Square Roots · Example 13

Christy dropped her sunglasses from a bridge 400 feet above a river. Use the formula $t = \frac{h}{4}$ to find how many seconds it took for the sunglasses to reach the river.

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OpenStax, Elementary Algebra 2e · §9.6 Solve Equations with Square Roots · Example 13

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