Select all the systems of equations that have exactly one solution.
{y=3x+1y=-3x+7
{y=3x+1y=x...
Mathematics, 07.01.2021 19:50 blan69
Select all the systems of equations that have exactly one solution.
{y=3x+1y=-3x+7
{y=3x+1y=x+1
{y=3x+1y=3x+7
{x+y=102x+2y=20
{x+y=10x+y=12
Answers: 3
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X+y ā„20 xā¤2y a) (0,22) b) (7,11) c) ( 15,6) d) (10,10) e) (12,5) f) (8,16)
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Simonne used the following steps to simplify the given expression. 12-3(-2x+4) step 1: 12+(-)+(-3)(4) step 2: 12+6x+(-12) step 3: 12+(-12)+6x step 4: 0+6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? ā¢identity property of addition ā¢inverse property of addition ā¢associative property of addition ā¢commutative property of addition
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