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3 years ago

8

The amount of rainfall in January in a certain city is normally distributed with a mean of 4.2 inches and a standard deviation o

f 0.5 inches. Find the value of the quartile Q1

1 answer:

romanna [79]3 years ago

5 0

Q1 = the exact amount

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3 years ago

What is the factored form of x^12y^18+1

Black_prince [1.1K]

Answer: The required factored form of the given expression is

$(x^4y^6+1)(x^8y^{12}-x^4y^6+1).$

Step-by-step explanation: We are given to find the factored form of the following algebraic expression:

$E=x^{12}y^{18}+1.$

We will be using the following formula:

$a^3+b^3=(a+b)(a^2+ab+b^2).$

Now, we have

$E\\\\=x^{12}y^{18}+1\\\\=(x^4y^6)^3+1^3\\\\=(x^4y^6+1)\{(x^4y^6)^2-x^4y^6\times1+1^2\}\\\\=(x^4y^6+1)(x^8y^{12}-x^4y^6+1).$

Thus, the required factored form of the given expression is

$(x^4y^6+1)(x^8y^{12}-x^4y^6+1).$

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3 years ago

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3 years ago

Solve the inequality<br> 2(4+2х)>5x+5

Gre4nikov [31]

Answer:

3>=3

Step-by-step explanation:

2(4+2x)>=5x+5

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