using the values a=4, b=2 and c=5, find the value of each of these expressions. a) 4a+2b b) 2a=b over c c) 5c-2b+a d) abc over a+1

Q: If AC=4x-60 and AE=x+5, find EC

A: The solution is:

Q: Let ā= and b = . Find 3a + 3b.

A: Given:a→=-3,-2,3 and b→=-3,5,2We need to find 3a→+3b→.

Q: Which expression is equivalent to: -3 ד ("z y-12 ?א27) 67x12 192x12 13 11 67x y z13 192x y

A:

Q: b) 4a + b = 5 8a - b = 1

A: 4a + b = 5 8a - b = 1   Now solve for a and b constant

Q: Let A = {1}, B = {2}, and C = {3}. (a) Explain why A x B B x A. (b) Explain why (A x B) × C # A × (B…

A: Cartesian product: The cartesian product of the sets A and B is defined as the set of all the…

Q: 1. Simplify: 3a2b3 a) b) 4.x2 z 3 V 20c16 d25

A:

Q: Find the GCF of 36a and 45a? . Ο 27α? O 9a? O 8a? O 46a3 O 45a3

A:

Q: veify For nzl that 2n t i73+5 tn t (2n-1)

A: To verify : For n≥1 ,   prove that 12+ 32 + 52+........+ (2n-1)2 = 2n+13

Q: Find the value of a, b, and c if (a+b)(a+b+c)=21, (a+c)(a+b+c)=35, and (b+c)(a+b+c)=42.

A: First we need to make some equations and the we have to simplify them in order to get a, b and c.

Q: BONUS: What expression perimeter of a rectangular area of ² + 16x - 105? A. x + 21 4x +32 B. C. x-5…

A: This is a question of counting, finite math and mensuration.

Q: If Maya has 5 more than twice as many candles as Katie which expressions show the number of candles…

A: Given that:   Maya has 5 more than twice as many candles as Katie.

Q: c) 16x? – 144y? d) 8x2 + 2xy – 15y²

A: Given:  c 16x2-144y2d 8x2+2xy-15y2 To Find: To factorise.

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.