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

first we expand the equation:(53a +56b) + (37b+3a)now we multiply15a+30b +21b+3anow simplify18a+51b

MR
Answered by Muzaina R. Maths tutor
1745 Views

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...

MR
Answered by Muzaina R. Chemistry tutor
10365 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...

MR
Answered by Muzaina R. Maths tutor
4441 Views

Name the 11 components of fitness.

Body compositionEndurance (muscular)Endurance (cardiovascular)FlexibilityStrengthCoordinationReaction timeAgilityBalanceSpeedPower

GR
2620 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 weat...

MC
41753 Views

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