2 years ago

The sum of two integers is -129, if one of them is 150, find the order

Mathematics

1 answer:

Georgia [21]2 years ago

6 0

Answer: -279

Step-by-step explanation:

-129-150= -279

to check

-279+150= -129

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Mars2501 [29]

Answer:

Step-by-step explanation:

11*4=44

6*2=12

44+12=56

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2 years ago

Solve (1/81)^x*1/243=(1/9)^−3−1 by rewriting each side with a common base.

elena55 [62]

Answer:

$x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]$

Step-by-step explanation:

you have the following formula:

$(\frac{1}{81})^{\frac{x}{243}}=(\frac{1}{9})^{-3}-1$

To solve this equation you use the following properties:

$log_aa^x=x$

Thne, by using this propwerty in the equation (1) you obtain for x

$log_{(\frac{1}{81})}(\frac{1}{81})^{\frac{x}{243}}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\\frac{x}{243}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]$

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3 years ago

What is (2x^2+6x-3) added to (2x^3-3x+2)?

Bas_tet [7]

2x² + 6x - 3 + 2x³ - 3x + 2

Combine like terms

2x³ + 2x² + 6x - 3x - 3 + 2

Final answer:
2x³ + 2x² + 3x - 1

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2 years ago

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JulsSmile [24]

Answer:

I think its 8

Step-by-step explanation:

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2 years ago

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