3 years ago

How do you write the expressions part

Mathematics

1 answer:

statuscvo [17]3 years ago

7 0

Could you possibly post a more high quality picture so its not blurry thanks!

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3^x-3^(x-2)=A*3^x <br><br> solve for A

ale4655 [162]

Answer:

$a=\frac{8}{9}$

Step-by-step explanation:

$3^x-3x^{x-2} =a3^x$

Divide both sides by $3^x$ :

$3^{x-x}-3^{x-x-2}=a$

Simplify:

$3^0-3^{-2}=a\\a=1-\frac{1}{9} \\a=\frac{8}{9}$

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3 years ago

What object has a definite beginning and a definite ending?

Andrew [12]

A line segment has a definite ending and beginning

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3 years ago

Please help me, its due today!!!

zlopas [31]

Answer:

$7$

Step-by-step explanation:

So we have the expression:

$|3x-1|$

And we want to evaluate it for x=-2.

So, substitute -2 for x:

$|3(-2)-1|$

Multiply:

$=|-6-1|$

Subtract:

$=|-7|$

The absolute value of a negative is positive. So:

$=7$

And we're done!

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3 years ago

10. The numbers —12, —7, —2, 3... follow a pattern. What are the next three numbers in this pattern? 7, 11, 16 5, 10, 15 2, 7, 1

Alik [6]

The answer is 8, 13, 18

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3 years ago

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earnstyle [38]

61.26 in^2

Explanation: plug in the formula to get SA=2π1.5^2+2π(1.5)(5)

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2 years ago