3 years ago

How many solutions does a system of equations have when solving results in the statement 3 = 5?

Mathematics

1 answer:

blagie [28]3 years ago

8 0

There would be no solutions

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Choose the best graph that represents the linear equation: -2y = x + 6 Graph A On a coordinate plane, a line goes through (negat

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Answer:

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Step-by-step explanation:

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vfiekz [6]

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Levart [38]

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3 years ago

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Factor completely, then place the factors in the proper location on the grid. 3y4 - 2y2 - 5

vovangra [49]

Answer:

$(3y^2-5)(y^2+1)$

Step-by-step explanation:

Let's see if we can think of two numbers that multiply to be 3(-5)=-15

andd add up to be -2

How about -5 and 3? That work's! :)

$3y^4-5y^2+3y^2-5$

Factor by grouping!

$y^2(3y^2-5)+1(3y^2-5)\\(3y^2-5)(y^2+1)$

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3 years ago

Find the solution set for the system of equations.<br> 9x + 5y = 28<br> 5x + 9y = 56

Jobisdone [24]

First step find a common multiple, e.g. 45 and subtract
9x + 5y = 28 * 5
5x + 9y = 56 * 9

45x + 25y = 140
-(45x + 81y = 504)
-56y = -364
56y = 364
y = 6.5

Substitute into any equation
9x + 5(6.5) = 28
9x + 32.5 = 28
9x = -4.5
x = -0.5

x = -0.5 , y = 6.5

6 0

4 years ago