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vaieri [72.5K]
3 years ago
11

2x + 5y = 0 x - 5y = -15

Mathematics
1 answer:
Serjik [45]3 years ago
3 0
2x + 5y = 0\\
x - 5y = -15\\
-------\\
3x=-15\\
x=-5\\\\
-5-5y=-15\\
-5y=-10\\
y=2
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A regular pyramid has a regular polygon base and a __over the center of the base
Rufina [12.5K]

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Step-by-step explanation:

To solve this exercise you must keep on mind the definitions shown below:

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2. By definition, a regular polygon is a polygon whose sides have equal lenghts.

3. By definition the apex (which is the vertex at the tip of the pyramid) of a right pyramid lies directly above the center of the base.

Therefore, keeping the above on mind, you can conclude that:

A regular pyramid has a regular polygon base and a Vertex over the center of the base.

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mote1985 [20]
Here are the step for solving this:
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In words what you are doing is getting y by itself on one side. Subtract the 5 to undo the adding of 5 first. Then, divide both sides by 3.


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3 years ago
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Answer:

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Read 2 more answers
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Step-by-step explanation:

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