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andreyandreev [35.5K]

2 years ago

14

Find the volume of the resulting solid if the region under the curve y = 10/(x2 + 3x + 2) from x = 0 to x = 1 is rotated about t

he x-axis and the y-axis.

1 answer:

alexgriva [62]2 years ago

5 0

Answer:

Step-by-step explanation:

Check attachment for solution

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Solve: 2x2-x = 21 {-7/2,3} {-3, 7/2}

Sergio039 [100]

Answer:

The answer is (-3,7/2)

Step-by-step explanation:

$2 {x}^{2} - x - 21 = 0 \\ (2x - 7)(x + 3) = 0 \\ 2x - 7 = 0 \: \: \: or \: \: x + 3 = 0 \\ x = \frac{7}{2} \: \: and \: x = - 3$

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4 0

2 years ago

In a business, if A can earn $7500 in 2.5 years, find the unit rate of his earning per month

andrew11 [14]

2.5 years = 30 months

7500$ in 30 months

x$ in 1 month

___________________

x = (7500*1)/30 = 250

The answer is 250$/month.

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3 years ago

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List the first 10 triangular numbers

Paha777 [63]

Answer:

0, 1, 3, 6, 10, 15, 21, 28, 36, 45

7 0

2 years ago

Write an algebraic expression for the verbal description. the sum of two consecutive natural numbers, the first of which is n

scoundrel [369]

I think it may be:

n + (n + 1)

hope this helps

8 0

2 years ago

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Tomas wrote the equation y = 3x +3/4. When Sandra wrote her equation, they discovered that her equation had all the same solutio

mamaluj [8]

–6x + 2y = 3/2

or, 2y= 6x + 3/2
or, y= (6x + 3/2)/2
or, y = 6x/2 + 3/4
or, y = 3x + 3/4

Therefore, –6x + 2y = 3/2 is Sandra's equation.

4 0

2 years ago

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