3 years ago

Solve for x. 79 (8x - 4) 3 -(3x + 17)

Mathematics

1 answer:

Liono4ka [1.6K]3 years ago

6 0

Answer:

-2.4

Step-by-step explanation:

maybe... i am 99.99% sure

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3 years ago

Is the following expression shown the exact answer? 144π - 216√3<br><br> true or false

Vsevolod [243]

$144\pi - 216\sqrt{3} \\\\
144 = 2^4 \times 3^2\\\\
216 = 2^3 \times 3^3\\\\
\Longrightarrow~~\text{Common factor } = 2^3 \times 3^2 = 8 \times 9 = 72\\\\
\Longrightarrow~~
144\pi - 216\sqrt{3} = \boxed{72\Big(2\pi - 3\sqrt{3} \Big)}$

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4 years ago

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Ludmilka [50]

Answer: 3.1

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3 years ago

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2 years ago

Which ordered pair is the best estimate for the solution of the system of equations?

Brums [2.3K]

For this case we have the following system of equations:

$y = - \frac {3} {4} x-2\\y = x + 6$

Equaling the equations we have:

$- \frac {3} {4} x-2 = x + 6\\-2-6 = (1+ \frac {3} {4}) x\\-8 = \frac {7} {4} x\\-32 = 7x\\x = \frac {-32} {7}\\x = -4.57$

The variable y:

$y = -4.57 + 6 = 1.43$

Thus, we can round the solution as:

$(x, y): (- 4.5; 1.5)$

It is verified with the graph

Answer:

Option C

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4 years ago