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tigry1 [53]
3 years ago
11

3.5x^3-2.3x^2+1.4x+15.6-1.2x^3+4.5x^2-0.3x-3.2

Mathematics
1 answer:
Kamila [148]3 years ago
8 0

Answer: 12.4 + 1.1x + 2.2x^2 + 2.3x^3

Step-by-step explanation:

add the like variables

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The value of x is 34.64 feet

<h3>Right-angled triangle</h3>

Find the diagram attached

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Get the value of x using the SOH CAH TOA identity

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Hence the value of x is 34.64 feet

Learn more on SOH CAH TOA here: brainly.com/question/20734777

3 0
3 years ago
3[(15 - 3) squared divided by 4]
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<span>3[(15 - 3) squared divided by 4]
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8 0
3 years ago
X^3+8 divided by x+2
Klio2033 [76]

Answer: x^2+4

Step-by-step explanation:

4 0
3 years ago
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A car has an initial value of $20,000. The value then "depreciates" or decreases by 10% of its initial value each year. Which eq
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Answer:

D) v = -2,000y + 20,000.

Step-by-step explanation:

The question gives a linear relationship between two quantities.  This means that the relationship between the initial value of the car and the amount it depreciates each year is proportional, or constant.  Since the value of the car decreases by 10% of its initial value each year, then each year the value will decrease by 10% of 20,000 or 0.10 x 20000 = $2,000.  Since we know the value is decreasing each year, this amount would be subtracted from the initial value of $20,000.  So, D) v = -2,000y + 20,000 would be the only equation that represents this scenario.  

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