2 years ago

ECON

Mathematics

1 answer:

joja [24]2 years ago

6 0

Office Administration

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What is the value of 10x+1 3

Veseljchak [2.6K]

SOLUTION

In this question, we are meant to expand the expression:

$(10x+1)^{3\text{ }}\text{ = ( 10 x + 1 ) (10 x + 1 ) ( 10 x + 1 )}$ $\begin{gathered} (10x+1)(10x+1)=100^{}x^2\text{ + 20 x + 1} \\ \text{Then,} \\ (100x^2+20x+1)(10x+1)=1000x^{3\text{ }}+200x^2+10x+100x^2\text{ + 20 x + 1} \\ \text{ = 1000 x}^{3\text{ }}\text{ + }300x^2\text{ + 30 x + 1} \\ \\ \text{CONCLUSION: ( 10 x + 1 )}^{3\text{ }}=1000x^{3\text{ }}+300x^2\text{ + 30 x +1} \end{gathered}$

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1 year ago

What expression are equivalent to - (-5/3)

saw5 [17]

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3 years ago

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Evaluate each expression for the given value(s) of the variable(s). x-7;x=23

GaryK [48]

The answer is 16, you substitute the value of the variable into the equation and simplify

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3 years ago

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lilavasa [31]

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What is the solution to this system of linear equations?

GarryVolchara [31]

Answer:

I got (1,2).

Step-by-step explanation:

Process of elimination:

Multiply the second equation by 3 to get same terms, subtract and solve for Y to get 2.

Plug 2 into second equation for Y to get x=1

(1,2)

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2 years ago