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2 years ago

TRUE OR FALSE HELP PLEASE

Mathematics

1 answer:

GrogVix [38]2 years ago

6 0

I'm not really sure but I believe the answer is true because of the way they stated the coefficient p.

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Eric surveys students at his school and finds that 80% have a pet. He wants to estimate the probability that, if he randomly sel

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2 years ago

Two consecutive whole numbers such that the sum of their squares is 13

valina [46]

The square root of 169 is 13 and 170 is 13.03

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2 years ago

20 POINTS HELPPPPP

kiruha [24]

For this case we have the following expression:

$\frac {216 ^ {n-2}} {(\frac {1} {36}) ^ {3n}} = 216$

We multiply both sides by: $(\frac {1} {36}) ^ {3n}$

$216 ^ {n-2} = 216 * (\frac {1} {36}) ^ {3n}$

We divide both sides by 216:

$\frac {216 ^ {n-2}} {216} = (\frac {1} {36}) ^ {3n}$

To divide powers of the same base, we place the same base and subtract the exponents:

$216 ^ {n-2-1} = (\frac {1} {36}) ^ {3n}\\216 ^ {n-3} = (\frac {1} {36}) ^ {3n}$

Rewriting:

$(6 ^ 3) ^ {n-3} = (\frac {1} {6 ^ 2}) ^ {3n}\\6 ^ {3n-9} = \frac {1} {6 ^ {6n}}\\6^{ 3n-9} * 6^{ 6n} = 1$

To multiply powers of the same base, we place the same base and add the exponents:

$6^{ 3n-9 + 6n} = 1\\6^{ 9n-9} = 1$

We know that any number raised to zero is 1, $a ^ 0 = 1.$

So, for equality to be true:

$9n-9 = 0\\9n = 9\\n = \frac {9} {9}\\n = 1$

Answer:

$n = 1$

3 0

3 years ago

Read 2 more answers

Kurt earns $6 a week for doing chores. How many weeks will it take him to earn $50 if he has already earned $10 ? Explain how yo

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3 years ago

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LekaFEV [45]

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3 years ago