Please help!!!

Mathematics

1 answer:

SOVA2 [1]3 years ago

6 0

Answer and Step-by-step explanation:

This is the correct matching:

1. Coefficient: The number in front of a variable in a term.

2. Constant: A number; a term containing no variables.

3. Arithmetic sequence: A set of numbers where the difference is the same between any two consecutive terms.

4. Closed circle: A circle filled in to show that the point is a part of the solution set.

5. Algebraic expression: An expression involving one or more variable terms.

6. Common ratio: The ratio of a term to the previous term in a geometric sequence.

7. Common difference: The difference between any two consecutive terms of an arithmetic sequence.

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What is -18+6+3r+13r=

kvasek [131]

If this is just an expression, then all you have to do is combine like terms, or groups of numbers and variables that have the same variable.

When simplified, you get the equation

-12+ 16r or

-18+6+3r+13r=16r-12

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Natali5045456 [20]

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