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blsea [12.9K]
1 year ago
8

A die is rolled and a coin is flipped simultaneously. the number rolled on the die and whether the coin lands heads or tails is

recorded. how many outcomes are in the sample space? 8 6 10 12
Mathematics
1 answer:
bulgar [2K]1 year ago
4 0

Answer: 12

Step-by-step explanation:

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The diagram shows a trapezium.<br>Work out the area of the trapezium.<br>​
pantera1 [17]

Answer:

32cm^2

Step-by-step explanation:

the formula for the area of a trapezois is S=(10+6)/2*4=32

5 0
2 years ago
Evaluate the expression –0.4(3x – 2) + StartFraction 2 x plus 4 Over 3 EndFraction for x = 4
mixas84 [53]

Answer:

-0.4(3x-2)+\frac{2x+4}{3}=0\ \textrm{for}\ x=4

Step-by-step explanation:

Given:

The expression to evaluate is given as:

-0.4(3x-2)+\frac{2x+4}{3}

The value of 'x' is 4.

Plug in 4 for 'x' in the above expression and simplify. This gives,

=-0.4(3(4)-2)+\frac{2(4)+4}{3}\\=-0.4(12-2)+\frac{8+4}{3}\\=-0.4(10)+\frac{12}{3}\\=-4+4\\=0

Therefore, the value of the given expression for 'x' equal to 4 is 0.

7 0
3 years ago
Read 2 more answers
Compute the permutation.
Anon25 [30]
So you have 8 digits (number available) to form 3 digit numbers (number selected).

Using the formula ^{a} P_{c} where a is the number of available digits, P is the permutation function and c is the number of digits to be selected.

The number of three digit numbers that can be formed = ^{8} P_{3}
                                                                                       = 336

                                                <span> O R

</span>By using the formula Permutation =  \frac{a ! }{( a - c) !} where a is the number of available digits and c is the number of digits to be selected.<span>

</span>⇒  Permutation = \frac{8 ! }{( 8 - 3) !}
<span>
</span>⇒  Permutation = \frac{40, 320 }{120}
<span>
</span>⇒ Permutation = 336<span>
</span>
8 0
3 years ago
Marcos and Amaya work at a mobile phone company that offers customers an optional care plan. Customers can choose to pay an extr
Pachacha [2.7K]

According to the given expected value, it is found that Marcos' statement is correct.

  • The interpretation of the <em>expected value</em> is that <u>over a large number of trials, the average value will be close to the expected value</u>.

In this problem:

  • The expected value is of $25.
  • Hence, if many of the plans are sold, the average profit per plan will be of $25, and Marcos' statement is correct.

About Amaya's statement, among groups of 1,000 customers there can be variations, hence, she is incorrect.

You can learn more about the interpretation of the expected value at brainly.com/question/25928679

7 0
2 years ago
Read 2 more answers
How do I calculate the perimeter of a base from a rectangular prism?
andrey2020 [161]

Answer:

To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width). Multiply both the height and width by two and add the results

8 0
2 years ago
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