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Anvisha [2.4K]
2 years ago
5

What is the value of x in the equation 7/8x 5/6

Mathematics
2 answers:
jeka57 [31]2 years ago
4 0
\frac{7}{8} (x) - (\frac{5}{6}

((Simplify)) → \frac{5}{6}

( \frac{7}{8} × x ) - \frac{5}{6} → 0

((Then Simpify))→ \frac{7}{8}

(\frac{7}{8} - \frac{5}{6} → 0

\frac{7x* 3}{24} 

\frac{5*4}{24}

\frac{21x - 20}{24} × 24 → 0 × 24 

21x - 20 → 0 

Therefore, the value of "x" would have to be \frac{21}{20}


Kay [80]2 years ago
3 0
The answer would be
x = 160/147
or
x = 1 and 13/147
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Step-by-step explanation: There are 14 chairs and  8 people to be seated. But among the 8. three will be seated together:

So 5 people and (3) could be considered as 6 entities:

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¹⁴P₆ = (14!)/(14-6)! = 2,162,160, But the family composed of 3 people can permute among them in 3! ways or 6 ways. So the total number of permutation will be ¹⁴P₆  x 3! 

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Another way to solve this problem is as follow:

5 + (3) people are considered (for the time being) as 6 entities:

The 1st has a choice among 14 ways

The 2nd has a choice among 13 ways

The 3rd has a choice among 12 ways

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So far there are 14x13x12x11x10x9 = 2,162,160 ways

But the 3 (that formed one group) could seat among themselves in 3!

or 6 ways:

Total number of permutation = 2,162,160 x 6 = 12,972,960

5 0
3 years ago
Y=-3x+12 Y=-3
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Well first you substitute -3 for y and then subtract 12 from both sides of the equation and it should look like -15=-3x. Then divide 3 on both sides and you should end up getting 5=x.

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