PatrickWeeWoos
  • PatrickWeeWoos
demarco wrote two correct variable expressions to represent the phrase "the product of a number and 7". Which of these variable expressions could demarco have written?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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PatrickWeeWoos
  • PatrickWeeWoos
@gymia1 @Frostbite @Adi3 @Abhisar
PatrickWeeWoos
  • PatrickWeeWoos
@mathmate @mathmate
PatrickWeeWoos
  • PatrickWeeWoos
good morning @mathmate

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mathmate
  • mathmate
Hint by example: If the question were: Write the expression for "the \(\color{blue}{sum}\) of a number and 17" I could write Let x = the unknown number, and the expressions are: x+17, or 17+x The reason we can write it in these two different ways is because addition (+) is commutative. The results are the same if we wrote 5+3 or 3+5. So therefore x+17 and 17+x would both be correct for the required expressions.
PatrickWeeWoos
  • PatrickWeeWoos
Well @mathmate, I didnt put the answers but there is no 17s
PatrickWeeWoos
  • PatrickWeeWoos
Nx7 7n n/7 7/n
PatrickWeeWoos
  • PatrickWeeWoos
Those are the answers to choose from @mathmate
PatrickWeeWoos
  • PatrickWeeWoos
@Andrea_Grossoni can you help?
PatrickWeeWoos
  • PatrickWeeWoos
@mathmate please help
pythagoras123
  • pythagoras123
Nx7 and 7n
PatrickWeeWoos
  • PatrickWeeWoos
isnt x's the|dw:1442235606679:dw|
pythagoras123
  • pythagoras123
im assuming x refers to the multiplication symbol
PatrickWeeWoos
  • PatrickWeeWoos
its n dot 7
pythagoras123
  • pythagoras123
well n dot 7 also means the same thing.
PatrickWeeWoos
  • PatrickWeeWoos
i put x because the dot isnt on my keyboard
PatrickWeeWoos
  • PatrickWeeWoos
oh well thank you i have four more. wanna help ill give you 10 medals
PatrickWeeWoos
  • PatrickWeeWoos
that means i go through your questions and answers and i medal 10 of them
pythagoras123
  • pythagoras123
just ask your question
PatrickWeeWoos
  • PatrickWeeWoos
what would the phrase "Twice the sum of a number and three "look like as a variable expression>
pythagoras123
  • pythagoras123
ok the phrasing of the question is slightly ambiguous but you could either have 2n+ 3 or 2(n+3)
pythagoras123
  • pythagoras123
with words functions like these get complicated hence the need for variable expressions as you call them
PatrickWeeWoos
  • PatrickWeeWoos
variables
PatrickWeeWoos
  • PatrickWeeWoos
HMM.I am thinking the second one
PatrickWeeWoos
  • PatrickWeeWoos
@pythagoras123 Hello?
pythagoras123
  • pythagoras123
could you refine the question
PatrickWeeWoos
  • PatrickWeeWoos
? that means?
PatrickWeeWoos
  • PatrickWeeWoos
post a new question?
PatrickWeeWoos
  • PatrickWeeWoos
HELLO ANYONE?
pythagoras123
  • pythagoras123
you could post a new question.

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