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Alborosie
3 years ago
7

Fetermine the slope and the y intervept. Then use the slop and the y intercept to graph the equation by hand.

Mathematics
1 answer:
mina [271]3 years ago
3 0
Y=(-1/4)x -1

The slope is the coefficient of x, that means slope = -1/4
To find y-intercept, just replace x by zero. y =(-1/4) (0) -1
and y-intercept = -1
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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
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Answer: x = 63

Step-by-step explanation:

15/3 = 5

3 * 21 = 63

63/15 = 21/5

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Multiply 9.68 by 104

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can this answer get the brainliest tag?

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