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cricket20 [7]
4 years ago
12

How do you multiply 2/3 and n?

Mathematics
2 answers:
adoni [48]4 years ago
6 0
I believe the answer is 2/3n
Lyrx [107]4 years ago
6 0
The answer is 1 and 5/16
But your not suppose to multiply n. U r suppose to divide 2/3 from both sides of the equation to find out what n equals
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I need to show my work & have the correct answer, may someone help , I'm really bad at math
Harlamova29_29 [7]
See picture for answers

4 0
3 years ago
Solve the system of equations: {2(3x-2y)+1=7x, 12(x+y)-15=7x+12y
fgiga [73]

Step-by-step explanation:

hope this help have a great day!

7 0
3 years ago
What is the probability that a randomly selected permutation of the letters A, A, C, C, L, L, O, R, T, U would spell "calculator
kirill [66]

Answer:

See explanation

Step-by-step explanation:

Total number of letters = n! = 10

Permutation for 10 letters = n!

                                          = 10!

                                          = 10*9*8*7*6*5*4*3*2*1

                                          = 3628800

From n letters:

Number of A = 2

Number of C = 2

Number of  L = 2

A₁, A₂, C₁, C₂, L₁, L₂, O, R, T, U

Out of 3628800 permutations the word calculator can be spelled as:

C₁ A₁ L₁ C₂ U L₂ A₂ T O R

C₂ A₂ L₂ C₁ U L₁ A₁ T O R

and so on

So total number of different permutations are  

(permutation of number of letters) / permutation of (number of As * number of Cs * number of Ls)

  =  10! / (2! 2! 2 !)  

  = 10*9*8*7*6*5*4*3*2*1 / (2*1) (2*1) (2*1)

  = 3628800 / 2 * 2 * 2

  =  3628800 / 8

  =   453600

Hence probability that a randomly selected permutation of the letters A, A, C, C, L, L, O, R, T, U would spell "calculator" is:

 1 / total number of different permutations  

= 1 / 10! / (2! 2! 2 !)  

= 1/453600

= 0.000002

8 0
3 years ago
the ratios swans to ducks in a pond is 7 to 6 if there are 39 swans and Ducks all together then how many ducks are there?
frosja888 [35]

Answer:

18 ducks

Step-by-step explanation:

add the parts of the ratio 7 + 6 = 13

divide the total by 13 to find one part of the ratio

\frac{39}{13} = 3 ← 1 part of the ratio

7 parts = 7 × 3 = 21 ← number of swans

6 parts = 6 × 3 = 18 ← number of ducks


7 0
3 years ago
(9⋅10
cestrela7 [59]

Answer:

  A. -18·10^6

Step-by-step explanation:

The rules of exponents apply to powers of 10 used in scientific notation. The associative and commutative properties of multiplication also apply.

<h3>Application</h3>

  (a^b)(a^c) = a^(b+c)

The numerical product is ...

  (9\cdot10^9)\cdot(-2\cdot10^{-3})=(9)(-2)(10^{9-3})=\boxed{-18\cdot10^6}

__

<em>Additional comment</em>

Expressed in scientific notation, the result would be ...

  -1.8\cdot10^7

Your calculator can perform this multiplication for you.

8 0
1 year ago
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