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4 years ago

When (x+2)to the 6th power is written as polynomial

1 answer:

3 0

(x+2)^6
=(x^2+4x+4)(x+2)^5
=(x^3+6x^2+12x+8)(x+2)^4
=(x^4+6x^3+24x^2+32x+16)(x+2)^3
=(x^5+8x^4+36x^3+80x^2+80x+32)(x+2)^2
=(x^6+10x^5+52x^4+152x^3+240x^2+192x+64)(x+2)
=x^7+12x^6+72x^5+254x^4+544x^3+472x^2+448x+164

Answer: x^7+12x^6+72x^5+254x^4+544x^3+472x^2+448x+164

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A polyhedron has 6 vertices and 9 edges. How many faces does it have?

sladkih [1.3K]

From Euler equation
Vertices - Edges + Faces = 2
1. F = E - V + 2
F = 9 - 6 + 2 = 5
answer is B

2. V = E - F + 2
V = 36 - 25 + 2 = 13
Answer is c

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4 years ago

12/7 – 15/7 + 10/7 = ?

Verizon [17]

Answer:

The answer is 1

Step-by-step explanation

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8 0

3 years ago

If 6 kg of biscut cost $27 Calculate the cost of 13kg of biscuits

xxMikexx [17]

6kg cost 27
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3 years ago

The centers for disease control and prevention reports 25% baby boys 6 to 8 months in the US weigh more than 20 pounds a sample

Vesna [10]

Answer:

P(x < 3) = 0.1971

Explanation:

To calculate the probability that x babies weigh more than 20 pounds, we will use the binomial distribution, so it can be calculated as:

$\begin{gathered} P(x)=nCx\cdot p^x\cdot(1-p)^{n-x} \\ Where\text{ nCx=}\frac{n!}{x!(n-x)!} \\ \\ With\text{ n = size of sample} \\ p=\text{ probability of success \lparen the baby weight more than 20 pounds\rparen} \end{gathered}$

So, replacing n = 16 and p = 0.25, we get that the probability is equal to

P(x) = 16Cx (0.25)^x (1 - 0.25)^(16 - x)

$P(x)=16Cx\cdot0.25^x\cdot(1-0.25)^{16-x}$

Now, the probability that fewer than three weights more than 20 pounds are equal to

$\begin{gathered} P(x$

Then

P(x < 3) = 0.01 + 0.0535 + 0.1336

P(x < 3) = 0.1971

Therefore, the answer is

P(x < 3) = 0.1971

3 0

1 year ago

You play a game that involves spinning the money wheel shown. you spin the wheel twice find the probability that you get more th

olga2289 [7]

There are 24 segments on the wheel in total. 1 segment is the $500 and 2 are the bankruptcy spaces. You would then multiply the two fractions 1/24 and 2/24 (the chances of getting each result) to get the answer. 1•2=2 and 24•24=576 making the fraction 2/576. Then you would simplify by dividing both sides by 2 which equals the final answer 1/288.

5 0

3 years ago

Read 2 more answers