3 years ago

Determine the number of solutions for the equation shown below

Mathematics

2 answers:

Mila [183]3 years ago

5 0

The answer would be B

polet [3.4K]3 years ago

5 0

It should be b because when solving for x, you have to get x on one side of the equation so when subtracting 2x, it’ll equal 0 leaving the question unsolvable

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An administrator at UF wants to estimate the proportion of students who would support an increase in the student activity fee. T

Natalija [7]

Answer:

The correct answer is "664".

Step-by-step explanation:

The given values are:

Margin of error,

E = 5%

i.e.,

= 0.05

Level of confidence,

C = 99%

i.e.,

= 0.99

Level of significance,

α = 0.01

From the z value table,

Critical z = 2.576

As we know,

The required sample size n will be:

= $(\frac{z}{E} )^2\times p(1-p)$

On substituting the values, we get

= $(\frac{2.576}{0.05} )^2\times 0.5(1-0.5)$

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= $2,654.31\times 0.25$

= $663.5776$

i.e.,

= $664$

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alina1380 [7]

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Answer:

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