How many solutions does this system of equations have? infinitely many exactly two none exactly one

Mathematics

2 answers:

NISA [10]4 years ago

7 0

There are no solutions. The slopes of both lines are the same so they are parallel: they will never intersect. Therefore, there cannot be a solution.

LenKa [72]4 years ago

7 0

Answer: this has no solutions.

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Select the correct answer. √3 1,53 If the point 3 is on the unit circle, what is x?

emmasim [6.3K]

If the point ( x, √3/ 3) is on the unit circle, then the value of x will be √2/ 3. The correct option is D.

<h3>What is the equation of the circle with radius r units, centered at (x,y)?</h3>

If a circle O has a radius of r units length and it has got its center positioned at (h, k) point of the coordinate plane,

then, its equation is given as:

$(x-h)^2 + (y-k)^2 = r^2$

The equation of unit circle is

$(x-h)^2 + (y-k)^2 = 1\\\\x^2 + \dfrac{\sqrt{3} }{3}^2 = 1\\\\x^2 + \dfrac{1 }{3} = 1\\\\\\x^2 = 1 - \dfrac{1 }{3} \\\\x^2 = 2/3\\$

Thus, x = √2/ 3

If the point ( x, √3/ 3) is on the unit circle, then the value of x will be √2/ 3.

The correct option is D.

Learn more about the equation of a circle here:

brainly.com/question/10165274

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2 years ago

Point C' is the image of C (-4,-2)under a reflection across the y-axis.

Furkat [3]

Answer:

The coordinates of point C' are (4, -2)

here's why:

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is taken to be the additive inverse. The reflection of point (x, y) across the y-axis is (-x, y). So if we use this information with the problem, the original coordinates, (-4, -2), the new coordinates will be (4, -2).

Hope this helped.

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3 years ago

Which angles of the triangles measure 90°?

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3 years ago

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KonstantinChe [14]

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