Mathematics: Simplify the expression by using the properties of rational exponents. Write the final answer using positive exponents only.

Simplify the expression by using the properties

Ответ:

wyattlb97

29.08.2021

Mathematics

A. ${h}^{7}$

Step-by-step explanation:

${h}^{ \frac{7}{3} } \times {h}^{ \frac{14}{3} }$

${h}^{ \frac{7}{3} + \frac{14}{3} } = \frac{7}{3} + \frac{14}{3}$

$\frac{7 + 14}{3 } = \frac{21}{3}$

21÷3 = 7

$= {h}^{7}$

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Ответ:

austinmiller3030

16.02.2022

Mathematics

c. t > 82

Step-by-step explanation:

Let t represent the number of tickets that the committee would sell.

The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spring Fling dance. This means that the revenue that they would generate from selling x tickets is

72 + 4x

The dance will cost $400.

To make profit, revenue must be greater than cost. Therefore, the inequality to determine the number of tickets the committee could sell to have money left over after they pay for this year's dance is

72 + 4x > 400

4x > 400 - 72

4x > 428

x > 328/4

x > 82

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Simplify the expression by using the properties of rational exponents. Write the final answer using positive exponents only.

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