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Nina [5.8K]
2 years ago
14

Solve x: 60 pts if u can figure it out and the first one gets brainiest answer

Mathematics
2 answers:
jenyasd209 [6]2 years ago
6 0

Answer:

11.65

Step-by-step explanation:

3x+99x=102x

1188/102=11.65

Kitty [74]2 years ago
3 0

\huge\text{Hey there!}

\mathsf{3x + 99x = 1,188}

\large\textbf{COMBINE the LIKE TERMS}

\mathsf{(3x + 99x) = 1,188}\\\mathsf{3x + 99x = 1,188}\\\mathsf{\bold{102x} = 1,188}

\large\textbf{DIVIDE 102 to BOTH SIDES}

\mathsf{\dfrac{102x}{102} = \dfrac{1,188}{102}}

\large\textbf{SIMPLIFY IT!}

\mathsf{x = \dfrac{1,188}{102}}

\mathsf{x = 11.64705882}

\large\textbf{AND IF YOU'RE ROUNDING}

\mathsf{x \approx 12}

\huge\text{Therefore, your answer should be: \boxed{\mathsf{x \approx 12}}}\huge\checkmark

\huge\text{Good luck on your assignment \& enjoy your day!}

<h3>~\frak{Amphitrite1040:)}</h3>

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Scorpion4ik [409]

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For k = 6 or k = -6, the equation will have exactly one solution.

Step-by-step explanation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = (x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

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In this problem, we have that:

3x^{2} + kx + 3 = 0

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a = 3, b = k, c = 3

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We will only have one solution if \bigtriangleup = 0. So

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k = \pm 6

For k = 6 or k = -6, the equation will have exactly one solution.

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3 years ago
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