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3 years ago

5

What is an equation of the line that passes through the point (−4,−6) and is perpendicular to the line 2x-y=6?

1 answer:

slega [8]3 years ago

8 0

Answer:

y= -1/2x-8 Please see the file for better detail!

Step-by-step explanation:

To find the slope of the perpendicular line you have to find the opposite reciprocal, which means flip the number and give a negative because the original slope is positive. Please see the image for better detail. Use point slope, slope intercept forms to find your answer.

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How do you turn a fraction into a decimal

FrozenT [24]

Divide the top number by the bottom number

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3 years ago

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Write an equation in point-slope form (4,-3) (2,-9)

Tom [10]

Answer:

m = 3

Step-by-step explanation:

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

8 0

3 years ago

Need help quick please

valina [46]

Answer:

Disagree

Step-by-step explanation:

Remember rotating 90 degrees means (y,-x)

A= (1,2)

A'= (2,-1)

So it is disagreed.

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3 years ago

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Nitric acid (specific gravity 1.42) costs $51.95 per liter. A student spills 5.112 kg of nitric acid in the laboratory, what is

Leno4ka [110]

Answer:

The cost of wasted nitric acid is $187.02

Step-by-step explanation:

Since it is given that specific gravity of Nitric Acid is 1.42 Thus the density of nitric acid is

$\rho _{acid}=S.G\times \rho _{water}\\\\\\\rho_{acid}=1.42\times 1\frac{g}{cm^3}\\\\\rho_{acid}=1.42g/cm^3$

Now from the basic relation of mass volume and density we have

$\rho =\frac{Mass}{Volume}\\\\\therefore Volume=\frac{Mass}{\rho }$

Since the mass of the nitric acid is given to be 5.112 kg = 5112 grams

Thus the volume of nitric acid is

$Volume=\frac{5112}{1.42}=3600cm^3$

Now we know that 1000 cubic centimeters euals 1 litrer

Thus the calculated volume in liters is

$V_{liters}=\frac{3600}{1000}=3.6Liters$

Thus the cost of acid spilled equals

$Cost=3.6\times 51.95=187.02$

5 0

3 years ago

PLEASE HELP ME !

LekaFEV [45]

Answer:

C

Step-by-step explanation:

use y=mx+c

follow the flow

7 0

3 years ago

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