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Harrizon [31]
3 years ago
6

Need urgent help in mathematics!! Will mark brainliest!!!!

Mathematics
2 answers:
Mashutka [201]3 years ago
6 0
I believe 60 is the answer , hope that helps
Umnica [9.8K]3 years ago
5 0

Remark

There are two possible answers, unfortunately. Perhaps the answer choices will straighten it out.

One

If the first 4 finishers can be in any one of the first 4 places, you have a combination.

That is written as \dbinom{n}{k}=\dbinom{15}{4} = \dfrac{15!}{11!*4!}

which is equal to 1365

Two

But the problem is that the four finishers could be in a specified order. in which case you do not divide by 4! 13760 is your answer.

OK so both answers are there. What do we do. The question does not specify the second possibility as being there. So I would choose 1365 <<< Answer.

But do not be surprised if the answer is 13760. If it is, then respectfully complain politely, but move on.

Note

The first answer comes from 15C4 which means the top 4 can finish in any order. The question is then a combination problem

The Second answer comes from 15P4 which means there is 1 specific order that the top 4 finish in. I do not believe that is what the question means.


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The weight of water is 62 1/2 per cubic feet. Water that weighs 325 lbs will fill how many cubic feet
yulyashka [42]

Water that weighs 325 lbs will fill 5.2 cubic feet.

Step-by-step explanation:

This is a simple question of cross multiplication

<u>DATA:</u>

<em>1. The weight of water for 1 cubic feet is 62.5</em>

<em>2. The weight of water for 'X' cubic feet is 325 </em>

<em>3. To find x, form an equation:</em>

Cubic feet : Weight of water

     1           :         62.5

     X           :         325

<em>4. Cross multiply</em>

X x 62.5 = 1 x 325

62.5X = 325

<em>5. Make X the subject</em>

X = \frac{325}{62.5}

<em>6. Solve to find X</em>

X = 5.2 cubic feet

Therefore, water that weighs 325 lbs will fill 5.2 cubic feet.

Key words: Conversion

Learn more about conversions at

  • brainly.com/question/1548911
  • brainly.com/question/555814
  • brainly.com/question/4837736

#LearnwithBrainly

4 0
4 years ago
What is the first step you will use to solve this equation:
Verizon [17]
Subtract 4x from both sides

4x +2 = 7x - 13 would then simplify to

3x - 13 = 2 ( you can switch the problem around as long as you dont switch the variables around )

then you have to + 13 which simplifies to

3x = 15

then you divide by 3 which equals

x=5
5 0
3 years ago
PLEASE HELP I NEED THE VALUES OF M AND P!!!!!!!! WILL GIVE BRAINLIST!!!!
ki77a [65]

Answer:

m=5 and p=4

Step-by-step explanation:

8 0
3 years ago
A model of a​ tractor-trailer is shaped like a rectangular prism and has a width of 2 in., a length of 10 in., and a height of 4
Sedaia [141]

Answer:

36.

Step-by-step explanation:

In the scale of the model, it says 1:36, which means that one tractor-trailer is the size of 36 models.

<h2><em><u>If you need more help or explanation, follow up in the comments. :P</u></em></h2>
6 0
3 years ago
The area of the entire figure below is 111 square unit.
Ivahew [28]

The striped rectangle has a total area of 69,375 cm².

<h3>How to calculate the area of the striped rectangle?</h3>

To find the area of the striped rectangle we must carry out the following procedures.

Find the area of each segment of the rectangle, that is, what is the area of each of the 24 squares that make up the rectangle, for that we divide the 111cm² of the total area into 24.

  • 111cm² ÷ 24 = 4.625cm²

According to the above, we infer that each square has an area of 4.625cm².

On the other hand, to find the area of the striped rectangle we must take into account that it is 5 squares long by 3 squares high, that is, its area is 15 squares.

  • 3 × 5 = 15

Finally, each square has an area of 4.625cm², so to find the total area of the striped area we must multiply the area of each square by the number of squares.

15 × 4.625cm² = 69.375cm²

Learn more about areas in: brainly.com/question/27683633

#SPJ1

7 0
2 years ago
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