Mathematics, 09.11.2019 11:31, corinaartsy
Breann solved the system of equations below. what mistake did she make in her work?
2x + y = 5
x β 2y = 10
y = 5 β 2x
x β 2(5 β 2x) = 10
x β 10 + 4x = 10
5x β 10 = 10
5x = 20
x = 4
2(4) + y = 5
y = β3
Answers: 2
Mathematics, 21.06.2019 22:30, mackenzie27717
3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.
Answers: 1
Mathematics, 21.06.2019 23:00, thebrain1345
The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?
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Mathematics, 22.06.2019 00:30, dragpack70
Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15
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Breann solved the system of equations below. what mistake did she make in her work?
2x...
2x...
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