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Andru [333]
3 years ago
10

Explain how to solve the equation: x^4/x^2

Mathematics
1 answer:
Margarita [4]3 years ago
8 0

Answer:

x^2

Step-by-step explanation:

A better word than "solve" would be "simplify."  The word "equation" does not apply here, since there is no = sign and thus no equation.

The applicable rule here is


x^a / x^b = x^(a-b), so x^4/x^2 = x^(4-2) = x^2 (answer in simplest form)

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Х
ivolga24 [154]

Using permutations and the probability concept, it is found that there is a 0.0417 = 4.17% probability that Nia is chosen as president.

  • A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.
  • As there are different roles, the order in which the students are chosen is important, hence, the <em>permutation </em>formula is used to solve this question.

Permutation formula:

The number of possible permutations of x elements from a set of n elements is given by:

P_{(n,x)} = \frac{n!}{(n-x)!}

Desired outcomes:

  • Nia's president.
  • For the other roles, 3 students from a set of 23, hence:

D = P_{23,3} = \frac{23!}{20!} = 10626

Total outcomes:

4 students from a set of 24, hence:

T = P_{24,4} = \frac{24!}{20!} = 255024

Then:

p = \frac{D}{T} = \frac{10626}{255024} = 0.0417

0.0417 = 4.17% probability that Nia is chosen as president.

To learn more about probabilities, you can take a look at brainly.com/question/24437717

8 0
2 years ago
Use only an associative property to rewrite the following expression.<br> (Pk)•r=
MrMuchimi
(Rk)•p would be the answer
All you need to do is rearrange the variables
5 0
3 years ago
Circle A has a radius with the length of 5 units. Calculate the exact length of the apothem, line segment AH . In your final ans
ehidna [41]

Check the picture below.

7 0
3 years ago
A partial cylinder lies on its side. The bases are a 90° sector of a circle. What is the exact volume of the partial cylinder?
LenKa [72]

Answer:

180%


Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
The scale for a model house is 1:12
guapka [62]

Answer:

here's what I got from wikipedia (i dont like taking of other's brain skills :/ )

Step-by-step explanation:

<em>1:12 scale is a traditional scale (ratio) for models and miniatures, in which 12 units (such as inches or centimeters) on the original is represented by one unit on the model. Depending on application, the scale is also called one-inch scale (since 1 inch equals 1 foot)</em>

<em>hope this helps you :)</em>

5 0
3 years ago
Read 2 more answers
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