Mathematics, 22.11.2019 11:31, PrincessKehlani15
Class a has 11 pupils and class b has 15 pupils.
both classes sit the same maths test.
the mean score for class a is 77.
the mean score for both classes is 49.
what is the mean score (rounded to 2 dp) in the maths test for class b?
Answers: 3
Mathematics, 21.06.2019 18:00, alyssatamayo641
What is the solution of log2 (3x - 7) = 3? 4 5
Answers: 1
Mathematics, 21.06.2019 18:30, kimmosley80
The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.
Answers: 1
Mathematics, 21.06.2019 19:30, allicat133
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
Class a has 11 pupils and class b has 15 pupils.
both classes sit the same maths test.
the...
both classes sit the same maths test.
the...
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