3 years ago

9. Which list shows these numbers in order from least to greatest?

Mathematics

1 answer:

alexgriva [62]3 years ago

7 0

Answer:

It the first one

Step-by-step explanation:

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Find the sum. 12Σn=1 3n +1 a. 252 b. 234 c. 246

Naddik [55]

Answer: C

Step-by-step explanation:

$Method\ 1\\\\\displaystyle \sum _{i=1}^{12} (3i+1)=\dfrac{((3*12+1)+(3*1+1))*12}{2} =(37+4)*6=246\\\\Methode\ 2\\\\\displaystyle \sum _{i=1}^{12} (3i+1)=\sum _{i=1}^{12} (1)+3*\sum _{i=1}^{12} (i)=12+3*\dfrac{(12+1)*12}{2} =12+3*13*6=246\\$

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3 years ago

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eimsori [14]

Answer:

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Step-by-step explanation:

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3 years ago

Is this correct and if not what am I missing?

olga2289 [7]

It would be B. because the others aren’t correct

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3 years ago

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Is the expression 3x+2 a binomial?

Wewaii [24]

Yes, this is a polynomial, but a special form of a polynomial with just one term which is called a monomial .

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3 years ago

Logx+log(x-1)=log(4x)

andrew11 [14]

$log( {x}^{2} - x ) = log(4x) \\ {x}^{2} - x = 4x \\ {x}^{2} - 5x = 0 \\ x(x - 5) = 0 \\ x = 0 \\ x - 5 = 0 \\ x = 5$
Since logs can't equal zero, 5 is your only solution.

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3 years ago