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tatuchka [14]
3 years ago
9

When solving a system of two linear equations

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

When both equations have the same slope, but not the same y-intercept, they'll be parallel to each other and no intersections means no solutions. When both equations have different slopes than regardless of the y-intercept they'll intersect for certain, therefore it has exactly one solution.

Step-by-step explanation:

Got this from google hope it helps

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I NEED HELP PLEASE, THANKS! :)
Maksim231197 [3]

Answer:

Option B

Step-by-step explanation:

First identify which options are a match for the hyperbola with a foci of (- 12, 6) and ( 6, 6 ). If there is only one, we can claim that that is the solution. Otherwise we would have to take the vertices into account,

The first option can be eliminated as it is present with a decimal in the denominator, indicating that the foci should also be a decimal. However, the foci of this option should be valuable to us -

\left(h+c,\:k\right),\:\left(h-c,\:k\right),\\\left(-3+c,\:6\right),\:\left(-3-c,\:6\right),\\c = ( About ) 3.6,\\\\Foci = \left(0.55808 ,\:6\right),\:\left(-6.55808,\:6\right)

The second option squares the denominators of the first option, so the foci should be the following -

Foci = ( - 12, 6 ), ( 6, 6 )

Which is the given! The rest of the options are similar to this second option, but are altered, thus don't have the same foci,

<u><em>Solution = Option B</em></u>

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3 years ago
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SCORPION-xisa [38]

890 is the answer hope I got it

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For a haircut ang style Karl was charged $25.She wanted to give the stylist a 15% tip
Marina86 [1]

Answer:

$2.25

Step-by-step Explanation:

Divide 15% by 100% to get 0.15

0.15 x $15 = $2.25

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Answer:
1. Step 2: 2a-6+6 Step 3: 2a
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Step by step explanation:
Here’s my work form what I seen:

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