4 years ago

Solve for the quadratic equation x^2=42 explain answer please

Mathematics

2 answers:

bixtya [17]4 years ago

6 0

Answer:

Step-by-step explanation:

RideAnS [48]4 years ago

3 0

Answer:x^2 to the 2nd power = 42

!!!!!

Step-by-step explanation:

!!! enjoy

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finlep [7]

Answer:

ZERO

Step-by-step explanation:

When finding x-intercepts, y is equal to zero. So, we can set the whole function equal to ZERO.

Then we set each binomial equal to ZERO.

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3 years ago

If f(x) = 3x - 12, what is f(2)?<br>O A. -18<br>O B. -6<br>O c. 6<br>O D. 18

zhannawk [14.2K]

Replace x with 2:

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3 years ago

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3 years ago

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3 years ago

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If x+1/x = 5 find the value of x^3 +1/x^3. pls solve

Korolek [52]

Answer:

1) solve x+1/x = 5

$\frac{x + 1}{x} = 5$

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$x - 5x = - 1$

$- 4x = - 1$

$x = \frac{ -1}{ - 4}$

$x = \frac{1}{4}$

2) solve x³+1/x³

$x {}^{3} + \frac{1}{x {}^{3} }$

substitute x = 1/4 into the expression

$( \frac{1}{4} ) {}^{3} + \frac{1}{( \frac{1}{4}) {}^{3} }$

$\frac{1}{64} + \frac{1}{ \frac{1}{64} }$

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$\frac{1}{64} + 64$

$\frac{4097}{64} \: or \: 64.02$

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3 years ago