2 years ago

Look at this graph:

Mathematics

1 answer:

Anton [14]2 years ago

5 0

Answer:

3/2

Step-by-step explanation:

slope=rise/run=30/20=3/2

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bixtya [17]

Answer:

$x= \frac{ - 11 + \sqrt{205} }{6} \: \: \: \: \: or \: \: \: \: \\x = \frac{ - 11 - \sqrt{205} }{6}$

Step-by-step explanation:

$- 3x {}^{2} - 11x + 7 = 0 \\ 3x {}^{2} + 11x - 7 = 0$

here,

$a = 3 \\ b = 11 \\ c = - 7$

now,

$D = b {}^{2} - 4ac \\ = (11) {}^{2} - 4(3)( - 7) \\ = 121 + 84 \\ = 205 > 0 \\$

so,

$x = \frac{ - b + - \sqrt{b {}^{2} - 4ac} }{2a} \\ \\ = \frac{ - 11 + - \sqrt{205} }{2(3)} \\ = \frac{ - 11 + - \sqrt{205} }{6} \\ \\ = \frac{ - 11 + \sqrt{205} }{6} \: \: \: \: \: or \: \: \: \: = \frac{ - 11 - \sqrt{205} }{6}$

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2 years ago

What equation has the same solution as 2x^2+16x-10=0

Mila [183]

Well you could factor it by dividing the entire equation by two...

x^2+8x-5=0

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2 years ago

Marco needs $57 to buy new basketball shoes. If Marco earns $3 per day working and already has $12 saved, which equation shows h

Montano1993 [528]

Answer:

57=12+3d

d=number of days worked

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galben [10]

Answer:

Yes

Step-by-step explanation:

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