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solmaris [256]
3 years ago
15

A farmer has a rectangular piece of land measuring 840 meters by 396 meters. He divides it into equal square plots of equal size

. What is the maximum area of one square plot?.......PLLLZZZ HELP
Mathematics
1 answer:
laila [671]3 years ago
4 0

Answer:

The maximum area of one square plot is 144 m^2

Step-by-step explanation:

Start by looking at what are the greater common factor of both provided dimensions (840 and 396) to find what the numbers are they both can be divided by evenly:

840=2^3\,*\,3\,*\.5\,*\,7\\396=2^2\,*\,3^2\,*\,11

therefore, both numbers can be divided by 2^2\,*\,3=12

Which then gives:

\frac{840}{12} =70\\\frac{396}{12} =33

Then, one can divide the longest side (840 m) into 70 sections of 12 meters each, and the shortest side of the piece of land (396 m) into 33 sections of 12 meters each.

Then we can have a total of 33 * 70 = 2310 smaller lots of 12 m by 12 m

That is smaller plots of a total area 144 square meters

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stepladder [879]

Answer:

x = -1 and y = -4

Step-by-step explanation:

It is given that,

3x - 2y = 5     ----(1)

-2x - 3y = 14 ------(2)

<u>To find the solution of equations</u>

(1) * 2 ⇒

6x - 4y = 10  -----(3)

(2) * 3 ⇒

-6x - 9y =  42   ----(4)

eq(3) + eq(4) ⇒

6x - 4y = 10  -----(3)

<u>-6x - 9y =  42 </u>  ----(4)

 0   - 13y = 52

y = 52/(-13) = -4

Substitute the value of y in eq(1)

3x - 2y = 5     ----(1)

3x - (2 * -4) = 5

3x  +8 = 5

3x = 5 - 8 = -3

x = -3/3 = -1

Therefore x = -1 and y = -4

5 0
3 years ago
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zloy xaker [14]

Answer:

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8 0
4 years ago
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I need help with this stuff and i need the answers step by step thank you!!
abruzzese [7]

Answer:

2. A

3. C

4. B

Step-by-step explanation:

2. To answer # 2, just add all the sides together...

(5x-7) + (3x-4) + (2x-6)

=  10x - 17

3. To answer # 3, divide/mulitply both the numerators and denominators by the same number and check to see if that answer matches the displayed answer...

a) 28 divided by 7 is 4,  so divide the whole fraction by 7 to see if the fraction is proportional...  

  28/7 = 4

  49/7 = 7

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b) 4 goes into 16  4 times so multiply \frac{4}{7} by 4...

   4 x 4 = 16

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   \frac{16}{28} =  \frac{16}{28}

c) 4 goes into 16 4 times so multiply the whole fraction by 4...

   4 x 4 = 16

   7 x 4 = 28

   \frac{16}{28} ≠ \frac{16}{35}

d) 4 goes into 20 5 times to multiply the whole fraction by 5...

   4 x 5 = 20

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   \frac{20}{35} = \frac{20}{35}

C is the answer because the fractions are not proportional.

4) 25% is a quarter of 100%. A third of 100% is 75%.

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3 years ago
Write a linear function that shows the linear relationship in the table below
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Answer:

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Licemer1 [7]

Answer:

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(it's a system)

4x+3y=615

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4x+3y=615

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