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Kailyn C.

Current University Student

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Geometry

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Question:

Explain what equilateral, isosceles and scalene triangles are.

Kailyn C.

Answer:

Equilateral: A triangle with all equal sides and all equal angles. (Note: The inner angles individually will always be 60 degrees; it can never have a right angle and is always an acute triangle.) Isosceles: A triangle with two sides of equal length and two equal angles. Scalene: A triangle with no equal sides or angles.

Basic Chemistry

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Question:

Name the three parts of an atom and their charges.

Kailyn C.

Answer:

Proton; has a positive charge Neutron; has a neutral charge Electron; has a negative charge

Algebra

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Question:

Solve (2x+3)(x-4).

Kailyn C.

Answer:

First, multiply the first number in the first polynomial by both terms in the second polynomial. Be careful with the signs. Step 1: (2x)(x-4)= ((2x)(x))+((2x)(-4))= 2x^2-8x Second, do the same thing except using the second term of the first polynomial. Step 2: (3)(x-4)= ((3)(x))+((3)(-4))= 3x-12 Third, add both answers you found together. Step 3: (2x^2-8x)+(3x-12) Finally, add all parts with the same powers together. Step 4: -8x and 3x can be added. This results in -5x. The final answer then will be 2x^2-5x-12.

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