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3 years ago

Are the lines y=0 and x=0 parallel?

2 answers:

7 0

The equation of y-axis is x = 0, since, y-axis is a parallel to itself at a distance 0 from it. Let P (x, y) be any point on the y-axis. Then clearly, for all position of P we shall the same abscissa 0 or, x = 0. Therefore, the equation of y-axis is x = 0.

antiseptic1488 [7]3 years ago

3 0

Answer:

No, these equations are not parallel.

Step-by-step explanation:

The equation $y=0$ is a vertical line. This equation, in fact, is the y-axis.

The equation $x=0$ is a horizontal line. This equation, in fact, is the x-axis.

These lines are perpendicular, not parallel.

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A rectangle has a height 3z and a width of 2x-3<br><br> Express the area of the entire rectangle.

viktelen [127]

Answer:

3z(2x - 3)

Step-by-step explanation:

Area of a rectangle, a = height * width

height, h = 3z

width, w = 2x - 3

a = 3z * (2x -3)

expand

a = 6xz - 9z

a = 3z(2x - 3)

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3 years ago

Consider the following quadratic equation: 25x2=36 Using the standard form ax2+bx+c=0 of the given quadratic equation, factor th

Stells [14]

Answer:

(5x -6)(5x +6) = 0

Step-by-step explanation:

Subtract 36 to put the equation in standard form. In this form, it looks like the difference of squares, so can be factored as such.

25x^2 -36 = 0

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6 0

4 years ago

The question is attached

DerKrebs [107]

$cos(A - B) = cos A cos B + sin A sin B$

In this case, A is $\frac{\pi }{3}$ and B is $\frac{\pi }{5}$ , so:

$cos\frac{\pi}{3} cos\frac{\pi}{5} +sin\frac{\pi }{3} sin\frac{\pi }{5} =cos(\frac{\pi}{3} -\frac{\pi}{5} ) = cos\frac{2\pi}{15}$

Hope that helps!

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2 years ago

Simplify. 3.3÷(0.8−3)−0.5 Enter your answer in the box.

Veseljchak [2.6K]

Answer:

-2

Step-by-step explanation:

3.3÷(0.8−3)−0.5

First think of PEMDAS

So first do parenthese

(0.8-3)=-2.2

3.3÷-2.2-0.5

Now do division

3.3/-2.2=-1.5

and now subtraction

-1.5-0.5=-2

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3 years ago

Read 2 more answers

A carpeter is laying down flooring at a newly built house. The

dimulka [17.4K]

Answer:

5.1 (Rounded down to 5)

Step-by-step explanation:

What you do first is

16.8 * 24.3

this is 408.24

now you do 408.24 / 80 which is 5.1

Obviously you cant by 0.1 of a roll but you could just round that down to 5, then the little bit that isnt covered you could just buy a smaller roll of carpet or something

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3 years ago