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anyanavicka [17]
3 years ago
7

Omar has 2 3/4 cups of dough to make dumplings. if he uses 3/16 cup of dough for each dumpling , how many whole dumplings can Om

ar make
Mathematics
1 answer:
Damm [24]3 years ago
7 0
Omar can make 14 whole dumplings. You change 2 3/4 cups to an improper fraction ( multiply the denominator and add the numerator ) and you get 11/4. Since you need 3/16 cups for one dumpling you have to find the greatest common denominator which is 16. You multiply 4 by 11 to get the numerator and end up with 44/16. Since you need 3/16 for one whole dumping you divide 44 by 3 and get 14.6 repeating. You cannot have a fraction of a dumpling so you round down and get the answer 14.
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Eight kids got to go to the water park for $60. How many students could go for $195? Explain how you know.
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The width of a rectangle is 2x²+9x-7 and the length is x²-9. Find the perimeter of the rectangle.​
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Answer:

---

Step-by-step explanation:

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6 0
3 years ago
(3 1/2 - 9 3/4) divided by (-2.5)
vlabodo [156]

Answer: 2.5

Step-by-step explanation:

\frac{3\frac{1}{2}-9\frac{3}{4}  }{-2.5}

Solve the numerator first.

3\frac{1}{2}-9\frac{3}{4}  =9-3(\frac{1}{2}-\frac{3}{4})=6(\frac{1*4-2*3}{2*4})=6(\frac{4-6}{8})=6(\frac{-2}{8})=-6\frac{1}{4}

We are left with:\frac{-6\frac{1}{4} }{-2.5}

To be able to work this out, we must convert the fraction to a decimal.

To do this, you can either go from a mixed number to an improper fraction and then from an improper fraction to a decimal, or you can divide the fractional part of the mixed number and add it to the whole number.

6+(1/4)

6+(0.25)

6+0.25

6.25

--------------------------------------------

\frac{-6.25}{-2.5}

Now, we know that this is a positive outcome because we have 2 negatives dividing.

6.25/2.5

To be able to work this out we have 1 more step to go. We have to convert these decimals to whole numbers; to do this, we multiply by 1 followed by as many zeros as the biggest number of decimals. In this case, the biggest number of decimals is 2, therefore; we must multiply by 1 followed by 2 zeros rather 100.

6.25*100/2.5*100

625/250

-----------------------------------------------------------

Let's solve this.

625/250=2.5

500

-------

125'0

1250

-----------

   ---

4 0
3 years ago
Read 2 more answers
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