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pashok25 [27]
3 years ago
10

Find (3 × 104) + (7 × 102). A) 3.07 × 102 Eliminate B) 3.07 × 104 C) 3.70 × 102 D) 3.70 × 104

Mathematics
2 answers:
Goryan [66]3 years ago
6 0
Nice and simple. PEMDAS. Parentheses, exponents, multiple, division, addiction, subtraction.

The first thing you do is solve the numbers in the parenthesis, which would turn to 

(312) + (714) = 1026
cricket20 [7]3 years ago
6 0

Answer:

The answer is b

Step-by-step explanation:

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Can you please help me with this math problem please.
adoni [48]
<h2>Answer: </h2><h2>Mohammed's net pay each week is $298.90 (61%).</h2>

Step-by-step explanation:

  1.            15% + 8% + 9% + 7% = 39%
  2.                      39% - 100% = 61%
  3.                  $490 x 61% = $298.90

             

<h2>                </h2>

<h2>                 <u><em>The answer is 61%.</em></u></h2><h3><u><em>                  The exact cash amount is $298.90                     </em></u></h3>
4 0
2 years ago
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Which number line shows the solution set for StartAbsoluteValue m EndAbsoluteValue = 4?
Tomtit [17]

Answer:

A number line going from negative 4 to positive 4. Points are at negative 4 and positive 4.

5 0
3 years ago
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What is the surface area of the figure?
Zielflug [23.3K]

Answer:

90 ft

Step-by-step explanation:

Times the length by the width of one side: 6 x 3= 18

Times 18 by 4 to get the surface area of the 4 rectangular sides: 18 x 4= 72

Times 3 by 3 to get the bottoms surface area: 9

Times 9 by 2 to get both the top and bottoms surface area: 18

Add 72+18 to get the total surface area: 90 ft

5 0
3 years ago
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How can 12 people share an 8 segment gummy worm? find two ways
Artemon [7]
Okay, so this question has a lot to do with DISTINGUISHABILITY which basically means: Can you tell the difference between each of the 12 people and can you tell the difference between each of the 8 gummy worm segments?

There are 4 possibilities: The people and gummies are both distinguishable, the people and gummies are both indistinguishable, the people are distinguishable and the gummies are not, or the people are not distinguishable and the gummies are.

<u>The people and gummies are both distinguishable. (This is the easiest case)</u>
There are 8 gummies. Each gummy can go to 12 different people. So the total number of ways we can give 8 distinct gummies to 12 distinct people is 8^12.
<u>
</u><u>The people and gummies are both indistinguishable (Much harder)
</u><u />This case is not necessarily harder, but it is very tedious and requires lots of careful, boring work. You would have to list out every single possible case, 1 by 1, there are no easier shortcuts... for example
8 0 0 0 0 0 0 0 0 0 0 0
7 1 0 0 0 0 0 0 0 0 0 0
6 2 0 0 0 0 0 0 0 0 0 0
6 1 1 0 0 0 0 0 0 0 0 0
5 3 0 0 0 0 0 0 0 0 0 0
5 2 1 0 0 0 0 0 0 0 0 0
5 1 1 1 0 0 0 0 0 0 0 0
4 4 0 0 0 0 0 0 0 0 0 0
...
...
And this would keep on continuing until you're sure you have counted every single one. But remember:
4 4 0 0 0 0 0 0 0 0 0 0
is the same as
4 0 0 4 0 0 0 0 0 0 0 0
because the people are indistinguishable.
<u>Lifehack: Use Wolfram Alpha for questions like this. I tried this just now and Wolfram Alpha stubbornly only counts partitions with all members greater than 1... so for this particular problem, WA won't work
</u><u>
</u><u>The people are distinguishable but the gummies are not</u>
This requires a bit more experience with combinatorics...
My comments above replying to the question talk about this. It is essentially 19C11 = 19C8.
<u>
</u><u>The people are indistinguishable but the gummies are distinguishable</u>
This is by far the hardest case. Remember our second case (<u>The people and gummies are both indistinguishable (Much harder)).</u>
Now we have to add on an extra step on top of all that partitioning. For each and every partition we have to calculate how many ways there are to make that partition. For the
8 0 0 0 0 0 0 0 0 0 0 there is only 1 possible way, all the gummies go to one person
For the
7 1 0 0 0 0 0 0 0 0 0 there is 8 possible ways, we choose one from the 8 gummies that goes to a new person (instead of the person that already has 7 gummies).

This brings everything to an end. I covered the general techniques for each of the 4 distinguishability cases. Hopefully this helps. If it does, please consider making this the brainliest answer. It took me quite a while to write this! :)


7 0
3 years ago
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I need help fast thanks
Len [333]

Answer:

Step-by-step explanation: 5/8= 21/32

3 0
3 years ago
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