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3 years ago

Write an equation of the line contacting the points (5,-6) and perpendicular to the line 6x-y=4

1 answer:

4 0

y + 6 = -1/6 ( x - 5 )

That is point-slope form. :) (its called something like that)
6x-y=4 is the same as y=6x-4 the slope of that line is 6, so a perpendicular line would be -1/6.

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Simplify the rational expression x^4 y^2/xy^7.

sammy [17]

Answer: $x^3y^9$

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): Dot was discarded near "7.".

STEP 1:

Simplify $\frac{y^2}{x}$

The equation at the end of step 1:

$((x^4)*\frac{y^2}{x} )*y^7$

Multiplying exponential expressions:

2.1 $y^2$ multiplied by $y^7$ $=y^(2+7)=y^9$

Final result is $x^3y^9$

8 0

2 years ago

a bird of species a when diving can travel four times as fast as a bird of species b top speed if the total speeds of these two

weeeeeb [17]

X will be the speed of species b and 4x will be the speed of species a:

x + 4x = 180
5x = 180
x = 180 / 5
x = 36 m/h

If species b has a speed of 36 m/h, the speed of species a is 4 times that:

4 x 36 = 144 m/h.

Answer:

$\boxed {\bf A~=~36~m/h~and~B~=~144~m/h}$

Hope it helped,

Happy homework/ study/ exam!

4 0

3 years ago

What is 40% equivalent to?

olga_2 [115]

Answer:0.4

Step-by-step explanation:

3 0

3 years ago

Division 54 /7.5 plz answer this

harkovskaia [24]

Answer:

turn the decimal into a whole number by multiplying by 10, 100 (what you do to one number you must do to the other)

multiply both by 10 it then becomes

540/75 = 7.2

it's easier to divide whole numbers and is the same answer as 54/7.5

6 0

3 years ago

Jon borrows $6.50 from his friends to pay for snacks, and $11.75 from his sister to go to the movies. how much money does he nee

Alex777 [14]

Answer:

Step-by-step explanation:

You need to add $6.50 and $11.75 and you get $18.25.

3 0

3 years ago

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