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3 years ago

Write the equation of a line that is perpendicular to the given line and pass through the given point

Mathematics

1 answer:

aliya0001 [1]3 years ago

8 0

Answer:

-6

Step-by-step explanation:

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3 years ago

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Nuetrik [128]

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Step-by-step explanation:

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aleksandrvk [35]

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3 years ago

Look at this table:<br><br> Is this relation a function?

ivann1987 [24]

Answer:

No.

Step-by-step explanation:

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3 years ago

What is the value of X if 9^x^-^1-2=25?

nadezda [96]

Answer:

$\frac{5}{2}$

Step-by-step explanation:

First, add two to both sides to get $9^{x-1}=27$

There are two ways to solve this from here

Think about what power you would have to raise 9 to to get to 27. $9^{\frac{1}{2}}$ = 3 and $3^3=27$ . So, multiplying the powers (because it is a power to a power) you get $9^{\frac{3}{2}}=27$ . This means that $x - 1 = \frac{3}{2}$ or x = $\frac{5}{2}$ .
Take the log of both sides.

This gives us $\log_9(27)=x-1\\\log_9(27)+1=x\\\log_9(3^3)+1=x\\3\log_9(3)+1=x\\3(\frac{1}{2})+1=x\\\frac{3}{2}+1 = x\\\\\frac{5}{2} = x$

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3 years ago