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Korolek [52]
4 years ago
7

Solve 3x2 − 5x + 7 = 0.

Mathematics
2 answers:
ale4655 [162]4 years ago
3 0
3x^2-5x+ 7 = 0 \\ D=b^2-4ac=(-5)^2-4*3*7=25-84=-59 \\  D\ \textless \ 0 \ \ \to  \ \ The \  equation \  has \  no  \ roots
Vesna [10]4 years ago
3 0
3x²-5x+7=0

this equation doesn't have real roots.
So we have to apply the quadratic formula.
x= -b±√b²-4ac/2a
On putting the values, we will get our roots as
5+59i/6 and 5-59i/6


If you think it helped you, then please mark it as the brainliest answer.



P.S.- Sorry I didn't have PC. So no bold text.
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4 0
3 years ago
A student in a surveying class measures an angle as 75°. What
olga55 [171]

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Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
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Natali5045456 [20]
Negative

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change sign times do nothing=change sign=negative

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5 0
4 years ago
(-2)³ + 4 ÷ (-15 + 9)(3) - 4?
dsp73

Answer:

-\frac{110}{9}

Step-by-step explanation:

Given expression is (-2)^{3} +4/(-15+9)(3)-4

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4 0
4 years ago
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