$\huge \frac{1}{ {8}^{ - \frac{1}{3} } } \\ \\ = \huge \frac{1}{ {( {2}^{3} )}^{ - \frac{1}{3} } } \\ \\ = \huge \frac{1}{ {{2} }^{ - 3 \times \frac{1}{3} } } \\ \\ = \huge \frac{1}{ {{2} }^{ - 1 } }$

7 0

3 years ago

The variables x and y are inversely proportional, and y = 2 when x = 3. What is the value of y when x = 9?

givi [52]

$If\ x\ and\ y\ are\ inversely\ proportional\ then\ xy\ is\ constans.\\\\9y=2\times 3\\\\9y=6\ \ \ \ \ \ /:9\\\\y=\frac{6}{9}\\\\y=\frac{2}{3}$

7 0

3 years ago

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Martina is currently 14 years older than her cousin Joey. In 5 years she will be 3 times as old as Joey. How old is Martina? How

Rufina [12.5K]

Answer:

Joey is 2 years old and Martine is 16 years old.

Step-by-step explanation:

5 0

3 years ago

Solve 2x>7 please thanks

Montano1993 [528]

Answer:

x > $\frac{7}{2}$

Step-by-step explanation:

given

2x > 7 ( isolate x by dividing both sides by 2 )

x > $\frac{7}{2}$

8 0

3 years ago

Read 2 more answers