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DedPeter [7]
3 years ago
11

Draw quick picture and write to explain how to break addends to find the sum of 324+231

Mathematics
1 answer:
sveticcg [70]3 years ago
8 0
300 200
20 30
+ 4 + 1
---------
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What is 1 plus 6 mines 2 plus 5
Nezavi [6.7K]

Answer:

10

Step-by-step explanation:

1+6=7

7-2=5

5+5=10

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If 3x+y=14, and x and y are positive integers, all of the following could be the value of x+y EXCEPT? This is an sat question an
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x=1,y=11

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I need the answer please don’t scam with a link
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3 years ago
Mrs.joshi bought a saree for Rs 1750.she sold it at a profit of 4%.what would be her profit or loss percent ?​
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Answer: Rs 1820

Step-by-step explanation:

This is profit, thus is it a percentage increase of 4%. Thus, she sold the saree for 104% of what she bought it for, Rs 1750.  Thus, simply do 1.04*1750 to get 1820.

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7 0
3 years ago
A farmer has 1800 m of fencing. He needs to create
NeTakaya

Answer:

67,500 m²

Step-by-step explanation:

ASSUMING the fields look like this __________________

                                                            |                    |                   |

                                                            |                    |                   | W

                                                            |_________|_________|

                                                                                L                                                            

Let L be the length of the combined field and W be the width

2L + 3W = 1800

2L = 1800 - 3W

L = 900 - 1.5W

A = LW

A = (900 - 1.5W)W

A = 900W - 1.5W²

Area will be maximized when the derivative equals zero.

dA/dW = 900 - 3W

        0 = 900 - 3W

     3W = 900

       W = 300 m

L = 900 - 1.5(300)

L = 450 m

A = LW = 450(300) = 135,000 m²

so each sub field is 135000/2 = 67,500 m²

7 0
3 years ago
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