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Tin
Questions (6)
1/2sin 2x -1/2 =0 , 0is less than or equal to 0<2 pie, radian measure is x1?
X2? Fill in only intergral values.
1 answer
236 views
1/2sin 2x -1/2 =0 , 0is less than or equal to 0<2 pie, radian measure is x1?
X2?
1 answer
242 views
a swimming pool is 25 m long and 10 m wide and is filled to an average depth of 1.5 m how many kilogram of water does it
1 answer
774 views
A new school has opened with fewer than 500 students. 1/3 of the students is a whole number. So are 1/4, 1/5 and 1/7 of the
3 answers
465 views
If a washing machine's drum has a radius of 24 cm and spins at 4.1 rev/s, what is the strength of the artificial gravity to
0 answers
448 views
A soccer ball of diameter 30 cm rolls without slipping at a linear speed of 3.1 m/s. Through how many revolutions has the soccer
0 answers
853 views
Answers (3)
Aig'ht thanks...
(1)For an alkane which only has a straight main chain with 20 carbon atoms, there will be 20*2 +2 = 42 hydrogen atoms. (2) When adding a ring into the main chain, subtract 2 hydrogen atoms. This is because when adding the ring, you are actually adding two
30c
