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levacccp [35]
3 years ago
11

Select the correct answer. What is the completely factored form of this polynomial? 2x5 + 12x3 − 54x A. 2x(x2 + 3)(x + 9)(x − 9)

B. 2x(x − 3)(x + 9) C. 2x(x2 + 3)(x + 3)(x − 3) D. 2x(x2 − 3)(x2 + 9)
Mathematics
2 answers:
Gala2k [10]3 years ago
5 0

Answer:

The answer is B

Valentin [98]3 years ago
3 0

Answer:

D

Step-by-step explanation:

2x(x^4 + 6x^2 - 27)

x^4 + 6x^2 - 27 = 0

x^2 = y

y^2+ 6y - 27 = 0

(y+9)(y-3) = 0

(x^2+9)(x^2-3) = 0

2x(x^2-3)(x^2+9)

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Neporo4naja [7]
She swims for 2.5 hours at a rate of 2 km/hr
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3 years ago
If 6x - 3y = -12 and 2x + 2y = -10, then y =
ahrayia [7]

Answer:

y=5

Step-by-step explanation:

7 0
2 years ago
The wheels of a monster truck are 66 inches tall. Find the distance the monster truck travels when the tires make one 360-degree
LuckyWell [14K]

Answer:

<u>207.35 inches</u>

Step-by-step explanation:

The wheel is in the shape of circle. The height, here, basically gives the diameter.

So,

Diameter = 66 in

Radius is half of diameter, so radius is:

66/2 = 33 inches

r = 33

Now, the distance truck travels when 1 rotation is made is the length of the perimeter of the circular wheel, or the circumference.

The formula is:

C=2\pi r

Where C is circumference

r is the radius

Substituting, we get the answer as:

C=2\pi r\\C=2\pi (33)\\C=66\pi\\C=207.35

The distance covered is about <u>207.35 inches</u>

3 0
3 years ago
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aliina [53]

Answer:

16

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Caroline spent $42.14 on groceries after using coupons and store discounts. Without the coupons and store discounts, the groceri
mash [69]
The answers is 14%
49 multiply by 14% is 6.86
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3 years ago
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