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Monica [59]
3 years ago
15

Express 18^1/3 in simplest radical form

Mathematics
2 answers:
pychu [463]3 years ago
7 0

Answer:

Step-by-step explanation:

18^1/3

=18/3

18/3=6

Answer- 6

Vladimir [108]3 years ago
4 0

Answer:

\sqrt[3]{18}

Step-by-step explanation:

a^{\frac{1}{n}} = \sqrt[n]{a}

18^{\frac{1}{3}} = \sqrt[3]{18}

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5x+12=44 then value of 5x-12=?​
KATRIN_1 [288]

Answer:

If 5x+12=44 then value of 5x-12 is 20

Step-by-step explanation:

5x + 12 = 44

  • The first step, we have to find the value of x

5x + 12 = 44

5x = 44 - 12

5x = 32

x = 32/5

x = 6.4

  • After that, insert the value of x into 5x - 12

5x - 12 = ...

5 ( 32/5 ) - 12

= 32 - 12

= 20

3 0
3 years ago
Eights rooks are placed randomly on a chess board. What is the probability that none of the rooks can capture any of the other r
erastova [34]

Answer:

The probability is \frac{56!}{64!}

Step-by-step explanation:

We can divide the amount of favourable cases by the total amount of cases.

The total amount of cases is the total amount of ways to put 8 rooks on a chessboard. Since a chessboard has 64 squares, this number is the combinatorial number of 64 with 8, 64 \choose 8 .

For a favourable case, you need one rook on each column, and for each column the correspondent rook should be in a diferent row than the rest of the rooks. A favourable case can be represented by a bijective function  f : A \rightarrow A , with A = {1,2,3,4,5,6,7,8}. f(i) = j represents that the rook located in the column i is located in the row j.

Thus, the total of favourable cases is equal to the total amount of bijective functions between a set of 8 elements. This amount is 8!, because we have 8 possibilities for the first column, 7 for the second one, 6 on the third one, and so on.

We can conclude that the probability for 8 rooks not being able to capture themselves is

\frac{8!}{64 \choose 8} = \frac{8!}{\frac{64!}{8!56!}} = \frac{56!}{64!}

7 0
3 years ago
Hampsphire hill is 87/9 meters tall. Write its height as a mixed number.
Umnica [9.8K]
I think it is 9 6/9 but im not quite sure . 
4 0
3 years ago
Read 2 more answers
What is the area of the triangle below (in square units)?
Helga [31]

Answer:

It is 50 cm squared hxb/2=a

8 0
3 years ago
How many 34s are in 2?
sergejj [24]

Answer:

17

Step-by-step explanation:

34/2=17

6 0
2 years ago
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