Questions by Jasilva

Questions by Jasilva

Eight year old Herbie does not want to go to school. He is in the lowest reading group, has to go to the third grade for math and is the last one picked for teams on the playground. According to Erik Erikson

asked Apr 22, 2017

2 answers

3 votes

223k views

Which of the following equations violates the law of conservation of mass?. . 2Al + 6HCl----> 2AlCl3 + 3H2. . Na2C2O4 + Pb(NO3)2----> PbC2O4 + 2NaNO3. . 3Mg + 2Cr(NO3)3 -----> 3Mg(NO3)3 + 2Cr. . AgNO3

asked Feb 8, 2017

1 answer

1 vote

144k views

(3x + 2) (2x - 5) = ax² + kx + n . What is the value of a - n + k ?

asked Feb 28, 2015

1 answer

3 votes

129k views

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