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2 years ago

Number 14 pls help I am stuck

Mathematics

1 answer:

Grace [21]2 years ago

6 0

Answer:

72 hectares

Step-by-step explanation:

The dimensions of the rectangle on the ground will be 20,000 times the dimensions shown in the drawing:

20,000×3 cm = 60,000 cm = 600 m

20,000×6 cm = 120,000 cm = 1200 m

The area of the land is ...

A = LW = (1200 m)(600 m) = 720,000 m²

1 hectare is 10,000 m², so this is ...

720,000 m² × (1 ha)/(10,000 m²) = 72 ha

The area of the plot is 72 hectares.

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7 0

2 years ago

Omg help me please like I just can't right now <br><br> 2x-6y= -12 <br> x+2y=14

steposvetlana [31]

here,

2x-6y= -12

2(x-3y)= -12

x-3y = -6...........eq1

x+2y=14............eq2

we can subtract the above two given equations

we get,

$x - 3y = - 6 \\ x + 2y = 14$

___________

$- 5y = - 20$

so,

y=4

now to find the value of x we have to substitute the value of y in any of the above two equations, I choose eq2

we get,

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3 years ago