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LUCKY_DIMON [66]
3 years ago
9

The number of positive resl rootd for the expression for -3x³+8x²-7x+10=0 is less than or equal to​

Mathematics
1 answer:
Damm [24]3 years ago
5 0

Step-by-step explanation:

By Descartes' Rule of Signs, f(x) = -3x³ + 8x² - 7x + 10 changes sign 3 times, so there are 1 or 3 positive roots.

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Dr. Jane is studying the growing population of a species of jellyfish in a body of water. Each year, she records the population
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Bonus: In Triangle STP, the measure of &lt;T is twice the measure of &lt;S and the
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Answer:

m∠S=30°

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Step-by-step explanation:

we know that

The sum of the interior angles in a triangle must be equal to 180 degrees

so

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m∠S+m∠T+m∠P=180° ----> equation A

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Solve the system of equations by substitution

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