4 years ago

Jamie eats 1/2 of cake the others eat 2/1 there were 12 other people and the cake has 50 pieces

1 answer:

3 0

So if 2/1 is 2 wholes and 12 people, you multiply 12 and 2. You get 24. Jamie eats 1/2 the cake so half of 50 is 25. Then you subtract 25-24. I don't know if this is correct but if it is ur welcome.

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A data set is summarized in the frequency table below. Using the table, determine the number of values less than or equal to 6.

Nata [24]

Answer:

Step-by-step explanation:

Given the above table of the data set, the number of values less than or equal to 6 would be the sum of the frequencies of all values that is equal to or less than 6.

From the table above, we would add up the frequencies of the values of 6 and below, which is:

2 + 3 + 6 + 4 + 3 = 18

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8 0

3 years ago

X = 1 + root 2 , find the value of (x - 1/x )^3

steposvetlana [31]

Answer:

$(\sqrt{2})^3$

Step-by-step explanation:

Given the expression

$(x - \frac{1}{x} )^3$

Simplify

$(\frac{x^2-x}{x} )^3$

Given that x = 1+√2

Substitute

$(\frac{(1+\sqrt{2} )^2-(1+\sqrt{2} )}{1+\sqrt{2} } )^3\\=( \frac{1+2\sqrt{2} +2 - 1 - \sqrt{2}}{1+\sqrt{2}} )^3\\= (\frac{\sqrt{2}+2}{1+\sqrt{2}})^3 \\Rationalize\\= (\frac{\sqrt{2}-2+2-2\sqrt{2}}{1-2})^3 \\=( \frac{-\sqrt{2}}{-1})^3 \\= (\sqrt{2})^3\\ \\$