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AleksAgata [21]
3 years ago
15

I need the answer plz

Mathematics
2 answers:
Roman55 [17]3 years ago
4 0
A numerical expression is a mathematical phrase involving only numbers and one or more operational symbols. <span>An </span>algebraic expression<span> is a mathematical phrase that can contain ordinary numbers, variables  and operators.</span>
snow_tiger [21]3 years ago
3 0
Algebraic equations include "variable" which are unknowns that you have to solve the equation to find out their value
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Can u solve both 20. and 22.<br><br> Geometry
SCORPION-xisa [38]

Hey there!!

(1) Both the angles sum up to be 180.

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Hope it helps!


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