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3 years ago

Sam rolls a fair dice and flips a fair coin.

Mathematics

2 answers:

Tems11 [23]3 years ago

4 0

There are six sides to a die and only one side has a two, so the probability of rolling a 2 is 1/6.

There are two sides to a coin and only one side has a head, so the probability of its coming up heads is 1/2.

The two events (rolling a die and flipping a coin) are independent, so the probability of both events occurring is (1/6)(1/2) = 1/12

dmitriy555 [2]3 years ago

3 0

Answer:

sam rolled the dice to candice

Step-by-step explanation:

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triple one number added to another number is 22. if the second number is equal to 8 less than 2 times the first number, find the

Scrat [10]

Answer:

6 and 4

Step-by-step explanation:

Let the numbers are x and y.

Given:

3x + y = 22
y = 2x - 8

Solve by substitution:

3x + 2x - 8 = 22
5x = 22 + 8
5x = 30
x = 6

Find y:

y = 2*6 - 8 = 12 - 8 = 4

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2 years ago

Help please if you can

r-ruslan [8.4K]

Answer:

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Step-by-step explanation:

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2 years ago

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irakobra [83]

Answer:

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2 years ago

A student's course grade is based on one midterm that counts as 20% of his final grade, one class project that counts as 5%

Ludmilka [50]

Answer:

Step-by-step explanation:

The weighted average of the student's scores is ...

0.20×63 +0.05×97 +0.35×85 +0.40×77 = 78

The student's overall final score is 78.

The letter grade earned is between 70 and 80, so is a C.

4 0

2 years ago

The slope of line XY is 1/8, and XY ⊥ AB

Ahat [919]

$\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}}
{\stackrel{slope}{\cfrac{1}{8}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{8}{1}}\qquad \stackrel{negative~reciprocal}{-\cfrac{8}{1}}\implies -8}$

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3 years ago