WebbSimplify 3a × 4 + 5b × 2 – 7c × 8 Answer 4 3a × 4 + 5b × 2 – 7c × 8 = 12a + 10b – 56c Questions Simplify the following expressions. Q1. 3a – 7b + 9 + 3a – a + 5c – 7c Q2. 4g × 3 – 5h × 2 – 7f Answers A1. 5a – 7b – 2c + 9 A2. 12g – 10h – 7f Webb按照你的想法,数量差异乘以实际价格就是(3a-2a)×3b=3ab。 而价格差异乘以实际产量=(3b-2b)×3a=3ab。 加起来等于6ab,这显然与真实的成本差异不符。 为什么不符,就是因为数量和价格之间是相乘的关系而不是简单加减的关系,就像3×3≠3+3一样。 其实书中说的在实际产量的情况下的价格差异,对比最开始数量和价格都不变的成本,其中不只 …
Simplify: (3a + 2b - C)(9a2 + 4b2 + C2 - 6ab + 2bc +3ca)
Webb(((2•(a 2))•b)•x)•(3a 3 •b) Step 2 : Equation at the end of step 2 : ((2a 2 • b) • x) • 3a 3 b Step 3 : Multiplying exponential expressions : 3.1 a 2 multiplied by a 3 = a (2 + 3) = a 5. … Webb6 juni 2024 · 3a 2b ×2a 6b = 72a²b² = 72× (ab)². Step-by-step explanation: 3a 2b ×2a 6b = (3 × 2)×(a × b) × (2 × 6)×(a × b) [commutative property] = (6×ab) × (12×ab) [associative … how 2 divide fractions
Simplify Algebraic Expressions - Xcelerate Math
WebbSimplify combining like terms: 3a – 2b – ab – (a – b + ab) + 3ab + b – a Dear Student When term have the same algebraic factors, they are like terms. ... × FOLLOW QUESTION … Webb14 apr. 2024 · 問題はコチラ→PDFファイル 大問1(計算) (1)① (-21)÷7 =-3 ② -3/4+5/6 =1/12 ③ (-3a)×(-2b)3 =-3a×(-8b3) =24ab3 ④ √8-√18 =2√2-3√2 =-√2 (2) 【球の体積V=4/3πr3】 半径rの3乗がでてくる→球の体積比は半径の比の3乗。 半径を2倍すると、体積は23=8倍になる。 大問 ... Webb22 feb. 2024 · We provide step by step Solutions of Exercise / lesson-12 Algebraic Identities for ICSE Class-8 Concise Selina Mathematics. Our Solutions contain all type Questions with Exe-12 A, Exe-12 B, Exe-12 C and Exe-12 D to develop skill and confidence . Visit official Website CISCE for detail information about ICSE Board Class-8. how 2d animation become real