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4 years ago

Select the domain and range of F.

Mathematics

1 answer:

Strike441 [17]4 years ago

4 0

Answer:

Step-by-step explanation:

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What is 9/10 divided by 6.5

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Answer:

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4 years ago

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Someone help me please

Keith_Richards [23]

Answer:

144 tiles

Step-by-step explanation:

if the room is 144 feet squared and one tile is one square foot

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3 years ago

Someone please help me quick, I don't know the answer to this question

Aloiza [94]

Four. If you have two gummy bears and you add the same amount, you would have four. Take these two question marks for example:

? ?

There is two. If you added two (the same amount) again, you would have:

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4 years ago

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The chair of the Department of Mathematics and Statistics needs to appoint a faculty committee consisting of 5 mathematics and 4

Ostrovityanka [42]

Answer:

There are 27,720 ways to select the committee

Step-by-step explanation:

First, it is necessary to know how many ways are there to select 3 members, if there are 9 members of the mathematics department. This can be found using the following equation:

Where nCk gives as the number of ways in which we can select k elements from a group of n elements. So, replacing n by 9 and k by 3 members, we get:

So, there are 84 ways to select 3 members from 9 members of the mathematics department.

At the same way, we can calculate that there are 330 ways to select 4 members from the 11 that belong to the Computer science department as:

Finally the total number of ways in which we can form a committee with 3 faculty members from mathematics and 4 from the computer science department is calculated as:

9C3 * 11C4 = 84 * 330 = 27,720

3 0

3 years ago

One group (A) contains 435 people. One-third of the people in group A will be selected to win $20 fuel cards. There is another g

d1i1m1o1n [39]

Answer:

The ratio of non-winners in group A is 3/5 and in group B is 527/579. And the ratio of non-winners in group A to non-winners in group B will be 78/527.

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

People in group A = 130

People in group B = 579

People in group A that will be selected to win US$ 50 fuel cards = 2/5

People in group B that will be selected to win US$ 50 fuel cards = same amount that group A

2. What will be the ratio of non-winners in group A to non-winners in group B after the selections are made?

Group A

If winners are 2/5, non-winners will be 1 -2/5

1 - 2/5 = 5/5 - 2/5 = 3/5

Now, let's calculate the number of winners:

2/5 * 130 = 52 winners ⇒ 78 non-winners

Group B

Number of winners = 52 (Same amount that group A)

Ratio of winners = 52/579

Ratio of non-winners = 1 - 52/579 = 579/579 - 52/579 = 527/579

The ratio of non-winners in group A is 3/5 and in group B is 527/579. And the ratio of non-winners in group A to non-winners in group B will be 78/527.

6 0

3 years ago