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2 years ago

Write down an equation of the line that is perpendicular to y=2x+5 I will mark as brainliest

Mathematics

1 answer:

SVEN [57.7K]2 years ago

3 0

Answer:

y = -1/2x +5

Step-by-step explanation:

The perpendicular slope will be the negative reciprocal of the original slope

the reciprocal of 2 is 1/2, and the negative of that is -1/2

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Subtract (5x^2-5) from the sum (x^2-9x+2) and (4x^2-5x+1)

Ivan

Assignment: $\bold{Solve \ Equation: \ \left(x^2-9x+2\right)+\left(4x^2-5x+1\right)-\left(5x^2-5\right)}$

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Answer: $\boxed{\bold{-14x+8}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Remove Parenthesis: (a) = a

$\bold{x^2-9x+2+4x^2-5x+1-\left(5x^2-5\right)}$

[ Step Two ] Simplify $\bold{-\left(5x^2-5\right)}$

$\bold{-5x^2+5}$

[ Step Three ] Rewrite Equation

$\bold{x^2-9x+2+4x^2-5x+1-5x^2+5}$

[ Step Four ] Simplify $\bold{x^2-9x+2+4x^2-5x+1-5x^2+5}$

$\bold{-14x+8}$

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$\bold{\rightarrow Mordancy \leftarrow}$

3 0

3 years ago

The side length, s, of a cube is 3x + 2y. If V = s3, what is the volume of the cube?

Thepotemich [5.8K]

V = (3x + 2y)³ = (3x + 2y)(3x + 2y)(3x + 2y)
V = (9x² + 12xy + 4y²)(3x + 2y)
V = 27x³ + 36x²y + 12y²x +18x²y + 24xy² + 8y³
V = 27x³ + 54x²y + 36y²x + 8y³

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2 years ago

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Solve for n <br><br> 5) 13. n = 234

siniylev [52]

Answer:

13×n =234

n=234÷13

n=18

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A cone has radius 3 and height 4. Your classmate calculates its surface area as shown:

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Answer:

2pi*rh+2pi r^2

Step-by-step explanation:

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2 years ago

Diagonal of a rhombus are 6 and 8 what's the area of The rhombus

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It would be 48 cause one side is 8 and another is 6 multiple and the answer is 48

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