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queentynaisa
01.09.2021 •
Mathematics
Evaluate the expression when x=2 and y= -3. -x+2y
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Ответ:
-8
Step-by-step explanation:
It would be -2+2(-3)
Which means -2 plus 2 times -3
According to PEMDAS you have to do parenthesis first so 2 times -3 is -6 +-2=-8
So the answer is -8
Ответ:
it would be -2 + 2(-3)
Step-by-step explanation:
the numbers given would replace the variables, so x would become -2 since its -x, and y would be (-3) in parenthesis since its to be multiplied (i believe if im remembering correctly) therefore it would become:
-2 + 2(-3)
keeping all the signs and proper places
hope this helped and is what you were looking for!!
Ответ:
Number of Small Cones Sold=22
Number of Large Cones Sold=34
Step-by-step explanation:
Suppose,
Number of Small Cones Sold: s
Number of Large Cones Sold: l
For the condition that, larges cones sold were 12 more than small ones, equation would be
and for the total revenue condition of $163
By solving equation (i) and (ii) simultaneously, we get
s=22
and
l=34
Hence, small cones sold would be 22 and large cones sold would be 34.