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sineoko [7]
3 years ago
10

The length, width and height of a rectangular box are represented by 2x, 4x+1 and 5x-6 respectively. When the volume is expresse

d as a polynomial in standard from, what is the coefficient of the 2nd term?
Mathematics
1 answer:
Damm [24]3 years ago
5 0

Answer:

the coefficient of the 2nd term: - 38

Step-by-step explanation:

V = 2x (4x + 1) (5x - 6)

   =(8x² + 2x) (5x - 6)

   = 40x³ - <u>38</u> x² - 12x

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In circle D with m \angle CDE= 76m∠CDE=76 and CD=13CD=13 units find area of sector CDE. Round to the nearest hundredth.
Ksju [112]

Answer:

112.03sq. units

Step-by-step explanation:

The area of a sector = theta/360 * πr²

The area of a sector = 76/360 * 3.14 * 13²

The area of a sector = 76/360 * 530.66

The area of a sector = 40,330.16/360

The area of a sector = 112.03sq. units

This gives the area of the sector

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2 years ago
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3 years ago
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8 0
2 years ago
13 less than 8 times a number is the same as the number plus 1
aliya0001 [1]
8x - 13 = x + 1
Solve for x
Add 13
8x = x + 14
Subtract x
7x = 14, x = 2
Answer: the number is 2
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2 years ago
What is the value of x in the triangles to the right?<br> A. 9<br> B. 12<br> C. 15<br> D. 17.5
Gnom [1K]
The answer for this is B
8 0
2 years ago
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