3 years ago

Inverse proportion question

Mathematics

1 answer:

Vinvika [58]3 years ago

7 0

P would then =6.64 by my calculations

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What is the product of 3x(x^2+4)

Butoxors [25]

<span>3x(x^2+4)
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timofeeve [1]

Answer:

$\Large \boxed{x_1=\frac{9+\sqrt{51} }{3} \ \ ; \ \ x_2=\frac{9-\sqrt{51} }{3} }$

Step-by-step explanation:

$\displaystyle \Large \boldsymbol{} 3x(x+6)=-10 \\\\3x^2+18x=-10 \\\\3x^2+18x+10=0 \\\\D=324-120=204 \\\\ x_{1;2}=\frac{18\pm2\sqrt{51} }{6} =\frac{9\pm\sqrt{51} }{3}$

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2 years ago

Factorise x^2 + x - 12

mihalych1998 [28]

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The sum of a number w and 3 is less than or equal to ten.

Assoli18 [71]

W + 3 ≤ 10

This is the symbol for less than or equal ≤

w + 3 ≤ 10

w ≤ 10 - 3

w ≤ 7

Can't find an answer for w from the options.

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