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elixir [45]
4 years ago
10

using a single graph paper and the same axes draw the graph of the following equation x-y+1=0 and 3x+2y=12

Mathematics
1 answer:
Mashcka [7]4 years ago
4 0

Answer:

See attachment

Step-by-step explanation:

We want to graph the following equation:

x-y+1=0

and

3x+2y=12

For the first equation: x-y+1=0

When x=0, we have 0-y+1=0---->y=1

We plot the point (0,1)

When y=0, we have x-0+1=0---->x=-1

We plot (-1,0)

We draw a straight line through these two points to get the graph of this line.

For the second equation: 3x+2y=12

When x=0,y=6. So we plot (0,6)

When y=0, x=4, So we plot (4,0)

We draw another straight line through them to obtain the graph in the attachment.

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Natasha2012 [34]
10x^2=29x-21 \\
10x^2-29x+21=0\\
\Delta=(-29)^2-4\cdot10\cdot21=841-840=1\\
\sqrt{\Delta}=\sqrt1=1\\
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x_2=\frac{-(-29)+1}{2\cdot10}=\frac{30}{20}=\frac{3}{2}\\
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3 years ago
last month, a bookstore ran the following at and sold 85 calculators, generating $4,083 in sales. How many of each type of calcu
Scilla [17]

Answer:

31 scientific calculators

54 graphing calculators

Step-by-step explanation:

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3 years ago
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Digiron [165]

<em>Answer:</em>

<em>Not likely</em>

<em>Step-by-step explanation:</em>

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<em>0.33 -- 0.66 = Neither likely or unlikely</em>

<em>0.67 -- 1.0 = Likely</em>

<em>Hope this helps. Have a nice day.</em>

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3 years ago
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melisa1 [442]
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Answer:

104, 76, 104

Step-by-step explanation:

The measures of the adjacent angles of a parallelogram always add up to be 180 degrees (they are supplementary).

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