3 years ago

Farmland A farmer has a rectangular plot of land shaped like the figure in the

Mathematics

1 answer:

Stella [2.4K]3 years ago

5 0

4,800 that’s the answer for your equation

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Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

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3 years ago

Assume you are rolling two dice; the first one is red, and the second one is green. Use a systematic listing to determine the

trapecia [35]

Red die: 1,2,3,4
green die: 4,3,2,1

I'm not sure if that's the answer you were looking for, but hopefully that helps.

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3 years ago

What is the inverse of f (x) = 10 - X?

julsineya [31]

Answer:

Step-by-step explanation:

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2 years ago

the product of two consecutive integers is 420. an equation is written in standard form to solve for the smaller integer by fact

Xelga [282]

Start by writing your own expression.

x is the smaller number and x + 1 is the next number

x(x + 1) = 420

x^2 + x - 420 =0 ⇒ constant = -420

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2 years ago

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shutvik [7]

I have no idea about the ancwer

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2 years ago

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