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3 years ago

If (8^9)p = 8^16 what's the value of p?

Mathematics

1 answer:

monitta3 years ago

8 0

Answer:

$p = {8}^{7}$

Step-by-step explanation:

$(8^9)p = 8^{16 } \\ \\ p = \frac{8^{16 } }{8^{9 } } \\ \\ p = {8}^{16 - 9} \\ \\ \huge \red{ \boxed{p = {8}^{7} }}$

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Simplify:–4(7x – 3y – z) – (–6)(9x – z + 2)

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

Angie has to fill in a reading log for her English class. She is required to read a total of 10 and 5 over six hours a week. On

JulijaS [17]

Given:

She is required to read a total = $10\dfrac{5}{6}$ hours a week.

Monday she read $1\dfrac{1}{3}$ hours.

Tuesday she read $\dfrac{3}{4}$ of an hour.

Thursday she read 3 hours.

To find:

The total hours does she still need to read in order to get full credit.

Solution:

Total time = $10\dfrac{5}{6}$ hours a week.

Total time she already read $=1\dfrac{1}{3}+\dfrac{3}{4}+3$ hours

$=\dfrac{1\times 3+1}{3}+\dfrac{3}{4}+3$ hours

$=\dfrac{4}{3}+\dfrac{3}{4}+3$ hours

$=\dfrac{16+9+36}{12}$ hours

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Now,

Remaining time = Total time - Total time she already read

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$=\dfrac{65}{6}-\dfrac{61}{12}$

$=\dfrac{130-61}{12}$

$=\dfrac{69}{12}$

$=\dfrac{23}{4}$

$=5\dfrac{3}{4}$

Therefore, the required time is $5\dfrac{3}{4}$ hours.

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3 years ago