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3 years ago

(7•7•7•7•7)•6•6•6•6•6•6. Write your answer using a exponent.

Mathematics

2 answers:

Zepler [3.9K]3 years ago

7 0

Answer:

Step-by-step explanation:

We have 5 7's and 6 6's.

I'm always happy to help :)

Mama L [17]3 years ago

3 0

Answer:

Step-by-step

In the exponent we write how many times the number is repeated.

$7^{5}$ x $6^{6}$

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Two random variables x and y are independent if the value of x does not affect the value of y. If the variables are not indepen

jeyben [28]

Answer: $\mu_{x+y} =$ 3026

$\mu_{x-y}=$ 30

Step-by-step explanation: Average sum of the female and male's test score is the sum of expected value of each gender:

$\mu_{x+y}=\mu_{x}+\mu_{y}$

Assuming x represents the random male selected and y represents the random female selected:

$\mu_{x+y}=1528+1498$

$\mu_{x+y}=$ 3026

The average sum of their scores is 3026.

Average difference is the difference between the expected value (mean) of each gender:

$\mu_{x-y}=\mu_{x}-\mu_{y}$

$\mu_{x-y}=$ 1528 - 1498

$\mu_{x-y}=$ 30

The average difference of their scores is 30.

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2 years ago

2x^3 + 3x^2 - 4x + 5 for x = -1

kykrilka [37]

Ok? is the question your asking, for what x equals or what the equation equals

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2 years ago

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andrey2020 [161]

1) C

2) Graph 1

3) a= 3

4) b= 0

Youre welcome :)

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3 years ago

Which conic section does the equation below describe? x+2^2=4y-3

Dmitry [639]

Answer: Circle

Step-by-step explanation:

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2 years ago

Which domain restrictions apply to the rational expression?

andre [41]

Both expression have the same denominator: 9x²-1. Thus it must not be 0.

9x²-1=(3x-1)(3x+1)=0, resulting x=+-1/3.

Restrictions: x in R\{-1/3, 1/3}

Adding those expressions:

E=(-x-2)/(9x²-1 ) + (-5x+4)/(9x²-1)=

(-x-2-5x+4)/(9x²-1)=(-6x+2)/(9x²-1)=

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E=-2/(3x+1)

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3 years ago