3 years ago

Find the value of each power 1. 3 to the power of negative 3 2. 4 to the power of 4

Mathematics

1 answer:

Nostrana [21]3 years ago

5 0

Answer:

1. 1/3

2. 256

Step-by-step explanation:

3/3/3 is .133333 (3's are repeated)

4*4*4*4 is 256

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The algebraic form of an arithmetic sequence is 5n-2<br>a) What is its common difference?

Alexxandr [17]

Answer:

Step-by-step explanation:

[math]

U_{n} = 5n - 2 \\

Common Difference = U_{n+1} - U_{n} \\

= [5(n + 1) - 2] - [5n - 2] = [5n + 5 - 2] - [5n - 2]\\

= 5n + 5 - 2 - 5n + 2\\

= 5

[/math]

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2 years ago

HELP ME PLEEEAASSEEE I SUCK AT MATH

irakobra [83]

Answer:

the answer is letter d

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3 years ago

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scores on a test have a mean of 67 and a standard devation of 10. michelle has a score of 87. convert michelle score to a z-scor

klasskru [66]

Answer:

z-score = 2.

Step-by-step explanation:

The z-score = (x - m) / d where x =the person's score, m = the mean and d = the standard deviation.

So we have (87-67)/10

= 2.

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3 years ago

Is (9,5) a solution to this system of inequalities?

iren2701 [21]

Answer:

yes it is..............

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2 years ago

Need urgent help in mathematics!! Will mark brainliest!!!!

Nataly [62]

₇P₅ is a permutation. you can find this setting in the statistics menu of your scientific calculator (i think).

If you don't have a scientific calculator, you can use the following formula:

nPr = $\frac{n!}{(n - r)!}$

₇P₅ = $\frac{7!}{(7 - 5)!}$

= $\frac{7}{2!}$

= $\frac{7 * 6 * 5 * 4 * 3 * 2!}{2!}$

= 7 * 6 * 5 * 4 * 3

= 2520

Answer: C

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3 years ago

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