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dalvyx [7]
3 years ago
8

An unknown polynomial is added to the expression -3x^3+2x-5 and the resulting sum is 4x^3+7x^2-3. what is the unknown polynomial

?
Mathematics
1 answer:
DENIUS [597]3 years ago
8 0

Answer:

7x³ + 7x² + 2x - 8

Step-by-step explanation:

Let the unknown polynomial be a

a + -3x³ + 2x - 5 = 4x³ + 7x² - 3

a = 4x³ + 7x² - 3 - (-3x³ + 2x - 5)

a = 4x³ + 7x² - 3 + 3x³ + 2x - 5

a = 7x³ + 7x² + 2x - 8

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The water dam is filled up using the first tributary in 1 hour and 10 minutes, using the second
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Step-by-step explanation:

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2 years ago
Use the pythagorean theorem to prove that this point lies on the unit circle. Find csc(0) where 0=-120.
exis [7]

By applying Pythagorean theorem, we have proven that the point (-1/2, -√3/2) lies on the unit circle.

<h3>How to prove this point lies on the unit circle?</h3>

In Trigonometry, an angle with a magnitude of -120° is found in the third quarter and as such, both x and y would be negative. Also, we would calculate the reference angle for θ in third quarter as follows:

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sin(-120) = -sin(60) = -1/2.

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By applying Pythagorean theorem, we have:

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Read more on unit circle here: brainly.com/question/9797740

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Step-by-step explanation:

5 0
3 years ago
Write each of the following expression without using absolute value. <br> |6m-54|, if m&lt;9
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9514 1404 393

Answer:

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Step-by-step explanation:

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  -(6m -54) = 54 -6m

3 0
3 years ago
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