Find value of expression
B Bucky49 New member Joined Aug 1, 2020 Messages 5 Aug 1, 2020 #1 Last edited by a moderator: Aug 2, 2020
B Bucky49 New member Joined Aug 1, 2020 Messages 5 Aug 1, 2020 #2 Hi I can use help on both of these problems sorry for putting two problems in one image but I couldn't crop it
Hi I can use help on both of these problems sorry for putting two problems in one image but I couldn't crop it
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,339 Aug 1, 2020 #4 Have you considered substituting the given values. Give x = 3 and y = 4 The expression x + y takes on the value 3 + 4. Like that.
Have you considered substituting the given values. Give x = 3 and y = 4 The expression x + y takes on the value 3 + 4. Like that.
Steven G Elite Member Joined Dec 30, 2014 Messages 14,405 Aug 2, 2020 #5 Rewrite the entire problem exactly as given with two exceptions--wherever you see x replace it with (3) and wherever you see y replace it with (4). Post back showing us how far you can get.
Rewrite the entire problem exactly as given with two exceptions--wherever you see x replace it with (3) and wherever you see y replace it with (4). Post back showing us how far you can get.
Steven G Elite Member Joined Dec 30, 2014 Messages 14,405 Aug 2, 2020 #6 [math]\dfrac {(2)((3)(2) - 7)}{10}[/math] = ...
H HallsofIvy Elite Member Joined Jan 27, 2012 Messages 7,763 Aug 2, 2020 #8 Which can be reduced to -1/5.