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Is a line that ns exactly one point always sometimes or never true?
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Does two intersecting planes always sometimes never intersect in exactly one point?
Never.
Does the three medians of a triangle intersect at a point in the interior of the triangle always sometimes or never?
sometimes
Two lines always never or sometimes meet in more than one point?
never
Can intersecting planes always intersect in exactly one point?
The intersection of two planes is never a point. It's usually a line. But if the planes have identical characteristics, then their intersection is a plane. And if the planes are parallel, then there's no intersection.
Can two skew lines intersect in exactly one point?
always
Does two intersecting planes always sometimes never intersect in exactly one point?
Never.
Does a radius sometimes always or never connects the center of the circle with a point on the circle?
always.
Does the three medians of a triangle intersect at a point in the interior of the triangle always sometimes or never?
sometimes
Two lines always never or sometimes meet in more than one point?
never
When a point is reflected over a horizontal line the x coordinate stays the same is that always true sometimes true or never true?
always true
Can intersecting planes always intersect in exactly one point?
The intersection of two planes is never a point. It's usually a line. But if the planes have identical characteristics, then their intersection is a plane. And if the planes are parallel, then there's no intersection.
Can two skew lines intersect in exactly one point?
always
Does a diameter always sometimes or never passes through the center of the circle?
The diameter ALWAYS passes through the center of a circle. If it stopped at the center point, it would be a radius, and if it didn't do either, it would be chord.
A plane and a line sometimes never or always intersect in a single point?
A given plane and a given line don't necessarily have to intersect at all.If the line is parallel to the plane, then they never do.The line can also be in the plane, and then every point on the line is alsoa point in the plane.The most likely case, though, is that the line is not parallel to the plane andnot in it. In that case, their intersection is a single point.So I guess the best answer from the allowed choices is 'sometimes'.
Why the v shape of a stream valley on a topographic map always point upstream?
Because the river is small at the top and big lower down. Just sometimes you get a river that is big at the top and smaller at the bottom, which is why you should never say "always".
Is the x coordinate of a point on the y axis always zero never zero or sometimes zero?
The y-axis has the equation x=0, so every point on the y-axis has an x coordinate of zero.
Does the graph of a system of equations intersect at more than 1 point?
Sometimes. Not always.
