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expand and simplify: 5(3a+6b)+ 3(7b+a)

first we expand the equation:(5 3a +5 6b) + (3 7b+3 a)now we multiply15a+30b +21b+3anow simplify18a+51b
MR
Answered by Muzaina R. • Maths tutor
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why do ionic compounds conduct electricity when in molten state or solution but not when solid?

this is because ionic compounds have positive and negative ions that are only allowed to move when the compound is liquid or when dissolved in solution. in solid state they are in their fixed position and th...
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Answered by Muzaina R. • Chemistry tutor
11779 Views

3x+2y=12 ; 5x+3y=19

3x+2y=12 (1) /// 5x+3y=19 (2) /// . (1) x 3---(2) x -2 /// 9x+6y=36///-10x-6y=-38///x+0=-2/// x=2///y=5(2)+3y=19///y=9/3 = 3-///////--> x=2y=3first, we need to make one of the two terms (x or y) of the sa...
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Answered by Muzaina R. • Maths tutor
5060 Views

Name the 11 components of fitness.

Body compositionEndurance (muscular)Endurance (cardiovascular)FlexibilityStrengthCoordinationReaction timeAgilityBalanceSpeedPower
GR
3078 Views

How does Dickens use pathetic fallacy in A Christmas Carol?

Pathetic fallacy is a literary technique similar to personification. The former is a narrower term than the latter, however, and refers specifically to inanimate objects and nature, most notably, the weather...
MC
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