3 years ago

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Mathematics

1 answer:

bezimeni [28]3 years ago

6 0

750 is the regular price minus the 25% and 15% it will equal 478.125..(round up 125 to 13 and your answer is 478.13

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In how many different ways can a jury of 12 people be randomly selected from a group of 40 people?

kupik [55]

Answer:

There are 5,586,853,480 different ways to select the jury.

Step-by-step explanation:

The order is not important.

For example, if we had sets of 2 elements

Tremaine and Tre'davious would be the same set as Tre'davious and Tremaine. So we use the combinations formula.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In how many different ways can a jury of 12 people be randomly selected from a group of 40 people?

Here we have $n = 40, x = 12$ .

$C_{40,12} = \frac{40!}{12!(28)!} = 5,586,853,480$

There are 5,586,853,480 different ways to select the jury.

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3 years ago

I'm always forgetting how to do mean absolute deviation. Can someone remind me what the process is please?

viva [34]

I hope that helps. :)

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3 years ago

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Joan makes a base salary of $275 per week and a commission of 4% of sales over $1000. If she sells $1250 of merchandise this wee

Lerok [7]

Joan makes $275/week.

In addition to $275, she also makes 4 percent on sales over $1000.

So, 1250 - 1000 = 250.

Then 250(0.04) = 10.

Let t = amount of her paycheck for the week.

t = $275 + $10

t = $285

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3 years ago

3grams as a percentage of 20 grams

patriot [66]

Answer: 0.6 grams

Solve: 3% of 20 = 0.03 × 20 = 0.6

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3 years ago

A box has a mass of 1.2 kilograms. The box contains baseballs, which each have a mass of 0.15 kilogram. The total mass of the bo

lys-0071 [83]

The answer will be 0.81. Hopes this Helps.

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3 years ago

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Help,Please go step by step​

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