q(q-r)+r(r-p) it's urgent please spam answers will be reported
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3(x+7)+(2x-3) solution of this questionWhich of the following statements is not true about consumers? *
1.they get energy indirectly from sun.
2.they sometimes eat other consumers.
3.they are called heterotrophs
4.they use chemical reactions to make their own food
* Two blocks of masses 6 kg and 4 kg are connected by a rope of
mass 2 kg are resting on a frictionless floor as shown in the following
4K
figure. If a constant force of 60 N is applied to 6 kg block, then the
tension in the rope at points A, B and C are respectively given by:
(1) 60 N, 60 N, 60 N
(2) 30 N, 25 N, 20 N
(3) 20 N, 25 N, 30 N
(4) 20 N, 20 N, 20what is the weight of available oxygen from a solution of H2 O2 if 20 ml of the solution needs 25 ml N/20 KMnO4 for complete oxidationif, a (b-c) =2b.
proves
a-c = 2(a+b)÷a
then report
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