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IXX (19) squared = -I(-I+XX)+XX(-I+XX) Multiplying out brackets = +I-XX-XX+CCCC Collecting like terms = -XXXX+CCCC+I (401-40) Then when simplified = CCCLXI (361) which is the correct answer. Remember that in maths a minus number multiplied by a minus number produces a plus number. Thus -I times -I is +I. David Gambell, Merseyside, England.

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How do you multiply 19 by 19 using roman numerals?

First of all today we write out 19 in Roman numerals as XIX but the Romans themselves would have probably calculated 19 as XVIIII and then simplified it to IXX in fact the Latin word for IXX is 'undeviginti' which literally means one from twenty. So the question is: What is IXX squared? IXX squared = -I(-I+XX)+XX(-I+XX) Multiplying out the brackets = +I-XX-XX+CCCC Collecting like terms = -XXXX+CCCC+I (401-40) When simplified = CCCLXI (361) which is the answer to your question. Note that in maths a minus number multiplied by a minus number becomes a plus number. Thus -I times -I is +I.


What does Ixx mean?

Well, darling, "Ixx" is just a placeholder used in engineering to represent a moment of inertia about the x-axis. It's basically a fancy way of saying how resistant an object is to changes in rotation around that particular axis. So, next time you hear "Ixx," just remember it's all about that rotational resistance, honey.


What could be the possible 'one's'digits of square root of 99856?

When you square a number, the final digit is the final digit of the 'one's' number squared. Since the only single digit numbers squared which ends in 6 are 4 and 6, the answer is either 4 or 6 (a calculator tells me it is 6) 0 squared is 0. All numbers ending in 0 when squared will end in 0. 1 squared is 1. All numbers ending in 1 when squared will also end in 1. 2 squared is 4. All numbers ending in 2 when squared will end in 4. 3 squared is 9. All numbers ending in 3 when squared will end in 9. 4 squared is 16. All numbers ending in 4 when squared will end in 6. 5 squared is 25. All numbers ending in 5 when squared will end in 5. 6 squared is 36. All numbers ending in 6 when squared will end in 6. 7 squared is 49. All numbers ending in 7 when squared will end in 9. 8 squared is 64. All numbers ending in 8 when squared will end in 4. 9 squared is 81. All numbers ending in 9 when squared will end in 1. So square numbers can only end with 0, 1, 4, 5, 6 or 9.


What are all of the square from 1 to 100?

1 squared = 1 2 squared = 4 3 squared = 9 4 squared = 16 5 squared = 25 6 squared = 36 7 squared = 49 8 squared = 64 9 squared = 81 10 squared = 100


What is the largest value that can not be squared?

Seems to us that any value at all can be squared.