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BabaBlast [244]
4 years ago
8

What is the product? 3x^5(2x^2+4+1)

Mathematics
1 answer:
const2013 [10]4 years ago
5 0

Answer:

6x^{7} +15x^{5}

Step-by-step explanation:

3x^{5}(2x^{2} +4+1)

Multiply 3x^{5} by each term in the parentheses.

6x^{7} + 12x^{5} +3x^{5}

Now, all you have to do is simplify.

6x^{7} +15x^{5}

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Any polygon with two pairs of parallel opposite sides is a parallelogram. true or false?
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3 0
3 years ago
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7b squared -21b-273=7
guajiro [1.7K]

Answer:

Given 7b²-21b-273=7, the solutions are x1 = 8 and x2 = -5.

Step-by-step explanation:

Given 7b²-21b-273=7, first you need to equal zero. So

7b²-21b-273-7=0 ⇒ 7b²-21b-280 = 0

The secon step is to find the solutions applying Bhaskara´s formula x = (-b ± √(b²-4×a×c))/2×a

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After you identified each term, you have to replace it on the formula so....

x = (21 ± √(21² - 4×7×(-280)))/2×7 ⇒ x = (21 ± √(441 + 7840))/14                   ⇒ x = (21 ± √8281)/14

Then you will obtain two values for x, called x1 = 8 and x2=-5.

8 0
4 years ago
Read 2 more answers
Find (a) the mean, (b) the median, and
VikaD [51]

Answer:

Mean = 33+ 22+35+27+23+35+27+36 = 238/8 = 29.75

Median = 27+23 = 50/2 = 25

Mode = 35

Range = 36 - 22 = 14

Step-by-step explanation:

Stay Blessed

5 0
3 years ago
I dont know how to set up this problem. I need help.
Anuta_ua [19.1K]

Answer:

(4)

Step-by-step explanation:

it said that thier old house cost 10,000

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6 0
3 years ago
Simplify the fourth root of seven to the fifth power
Svetllana [295]

Answer:

11.5

Step-by-step explanation:

4th route of 7 is 1.63

1.63 to the 5th power is 11.5

3 0
3 years ago
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