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Lina20 [59]
3 years ago
7

Write an equation of the line perpendicular to x-2y=4 and contains the points (4,-5)

Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

y = − 2 x − 3

is the answer


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I don't know man my teacher is gonna have to deal with me leaving this blank lol.

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Find the square: (5x - 4y)2 <br><br> (and please put the process of solving the equation)
satela [25.4K]
(5x-4y)^2
(5x-4y)(5x-4y)

Multiply each term in one bracket in turn by the terms in the other bracket

(5x)(5x) = 25x^2
(5x)(-4y)=-20xy
(-4y)(5x)=-20xy
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Put them together we have
25x^2-20xy-20xy-16y^2
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3 years ago
Lola used 2 1/2 ink cartridges while her friends used 1 3/4 ink cartridges. How many more ink cartridges did Lola use than her f
iVinArrow [24]

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Lola used 3/4 more ink cartridges than her friends

Step-by-step explanation:

6 0
3 years ago
What is the principle value of sin^-1(1)
Scilla [17]

The Sine or Sinθ in a right-angle triangle is the ratio of its perpendicular to its Hypotenuse. The principal value of sin⁻¹(1) is 90°.

<h3>What is Sine (Sinθ)?</h3>

The Sine or Sinθ in a right-angle triangle is the ratio of its perpendicular to its Hypotenuse. it is given as,

Sin(θ) = Perpendicular/Hypotenuse

where,

θ is the angle,

Perpendicular is the side of the triangle opposite to the angle θ,

The hypotenuse is the longest side of the triangle.

The principal value of sin⁻¹(1) is,

θ = Sin⁻¹(1)

θ = 90°

Hence, the principal value of sin⁻¹(1) is 90°.

Learn more about Sine:

brainly.com/question/21286835

#SPJ1

4 0
2 years ago
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