Mathematics, 28.07.2020 23:01, george27212
Of 28 students taking at least one subject, the number taking Math and English but not History equals the number taking Math but not History or English. No student takes English only or History only, and six students take Math and History but not English. The number taking English and History but not Math is 5 times the number taking all three subjects. If the number taking all three subjects is even and non-zero, the number taking English and Math but not History is
Answers: 3
Mathematics, 21.06.2019 19:30, leilanimontes714
Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11
Answers: 1
Mathematics, 21.06.2019 22:40, jeffyisdrunk
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
Answers: 1
Of 28 students taking at least one subject, the number taking Math and English but not History equal...
Mathematics, 23.03.2021 02:30
Mathematics, 23.03.2021 02:30
Mathematics, 23.03.2021 02:30
Mathematics, 23.03.2021 02:30
Mathematics, 23.03.2021 02:30