(b) Let z = sin 1 (in radians) and let y = v2. Prove that the following statement is false: (z+y € Q) A (r- y é Q). %3D (c) Let ai = 1 and let a2 = n. For n > 3, we define recursively an = an-2 - an-1. Is it true that a2021 is rational? Prove that your answer is correct.

Q: a = 2x + 6xz solve for x

A: The given equation is: a = 2x + 6xz  To solve this equation for x, take the x common from the right…

Q: 9. Base 11 division: 47.9,, [(2 536A,4) || - S, ? Partial subtraction S, is: a) 2A23 b) 2A21 c) 2123…

A:

Q: 1. Solve using substitution 2x + y = 14   3x - 2y = 7

A:

Q: solve for x

A: Solve the equation for x as follows.

Q: How do I find the equation for an and solve for s10?

A:

Q: Solve A= 2BC+ 2BD for B. B =

A: Let,  ax+b=c This gives, x=(c-b) /a is the required solution for x.

Q: 6. -30 4 2) -5 -10 40 寸

A:

Q: s=5LW+5wh+6hL solve for h

A:

Q: 2. Solve: V3x + 4 = x 1. 4 2. 4,-1 3. -1 4. No solution

A:

Q: X - 2y = 3  3x = 6y + 9 solve by substition

A:

Q: Q1) Solve the following equation . 3-2x 3 2.

A: Consider the equation  3-2x3=x2

Q: if mZD = 5x - 39 and E mZA= 2x + 12.

A: Two similar triangles are there in the given diagram. So corresponding angles are equal.

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.