3 years ago

QUESTION #1 - Probability

Mathematics

1 answer:

Olin [163]3 years ago

7 0

Answer:

C. 1/60

Step-by-step explanation:

Probability of 3 on a cube: 1 / 6

Probability of 9 from cards 1-10: 1/10

1/6 x 1/10 = 1/60

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Nedd this ASAP!! THANKS!

victus00 [196]

Answer:

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Step-by-step explanation:

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What calculation can be used to find the value of p in the equation p^3 =8

blsea [12.9K]

Cube Root

${p}^{3} = 8 \\ p = \sqrt[3]{8} \\ p = \sqrt[3]{ 2\times 2 \times 2} \\ p = 2$

Formula

${p}^{3} - 8 = 0$

Use the following formula.

${x}^{3} - {y}^{3} = (x - y)( {x}^{2} + xy + {y}^{2} )$

$(p - 2)( {p}^{2} + 2p + 4)$

The expression p²+2p+4 has the discriminant less than 0 ( D < 0 ).

Thus, remove the expression and leave only p-2

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Substitution

The most obvious number that multiplies itself three times and equal 8 is 2.

Substitute p = 2

${p}^{3} = 8 \\ {2}^{3} = 8 \\ 2 \times 2 \times 2 = 8 \\ 8 = 8$

The equation is true, thus 2 is the answer.

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3 years ago

You but 125 tickets to an amusement park that each cost $19.50. What is the total cost of the 125 tickets

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Why could 3 points on a same line not name a plan?

Annette [7]

Answer:

It is called this

Step-by-step explanation:

Since the three points are all on the same line, they are called collinear points.

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Keith_Richards [23]

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