4 years ago

9x - 7x2 +4x2 - x + 4x3 - 3x2

Mathematics

1 answer:

Anna35 [415]4 years ago

3 0

Answer:

The answer to your question is: 4x³ - 6x² + 8x

Step-by-step explanation:

see the picture

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What is the measure of angle x?

d1i1m1o1n [39]

The triangle BAC has two known measurements 30 and 90 so add those together and subtract by 180

30 + 90 = 120

180 - 120 = 60°

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3 years ago

In a 3-4-5 right triangle which expression would provide the measure of the smallest acute angle

Bad White [126]

The possible expressions for the measure of the smallest acute angle

$sin\:\theta =\frac{3}{5}\:or\:\theta =sin^{-1}\left(\frac{3}{5}\right)$

$cos\:\theta =\frac{4}{5}\:or\:\theta =cos^{-1}\left(\frac{4}{5}\right)$

$tan\:\theta =\frac{3}{4}\:or\:\theta =tan^{-1}\left(\frac{3}{4}\right)$

These three expressions are the possible measure of the smallest acute angle.

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3 years ago

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4vir4ik [10]

Answer:

Step-by-step explanation:

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3 years ago

Please help the first two answers aren’t right.

Airida [17]

It has to have an average of 10 feet per minute for 5 minutes, which means in five minutes the total of feet would have to be 50.
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3 years ago