+ 2?R eraluate l F x di Where is me cuwe pron G0,0) ho Q,2,)

Q: Explain why in any digraph, the sum of all the in-degrees must equal the sum of the out-degrees.

A: To prove, the sum of all the in-degrees must equal to the sum of all out-degrees. In-degree of a…

Q: Subtract (28x + 62x + 64) from the sum of (13x? – 46x + 61) and (– 57x + 8). - -

A: Question: Subtract (28x^2 + 63x +64) from the dum of (13x^2 -46x + 61) and (-57x+8)

Q: Determine: if S = {4t - t2, 5 + t3, 5 + 3t, -3t2 + 2t3} is a basic for P3

A:

Q: | (8t3 – 12t2 + 6)dt Evaluate:

A: We can evaluate the given integral by using the following formula.

Q: .22メ-3 when x=-3 G-メフナス

A:

Q: An open-topped box is to be constructed with a base whose length is twice its width. The material…

A:

Q: Why can't "a-b" equal "b-a"? assuming a and b are nonzero real numbers

A: We have to show that (a-b) ≠b-a  by using a & bare non zero real number

Q: Why is -2(a-5) NOT equal to -2a-10? Assuimg that "a" and "b" are nonzero real numbers

A:

Q: 6.) Simplify: -2.5(-2b+ 3) – 6b

A:

Q: Write the conjugate of √a +3

A:

Q: Simplify: (27 -7) • (27 + 7) O4 - O 47° - 7 4 u 2.

A: To simplify:2u→-v→.(2u→+v→)

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: Suppose uu=8₁ u • v = 7, and v•v=6. Evaluate the number (3u-v) • (a +3v).

A:

Q: Find all integers that can be expressed as 12m + 30n, where m and n are integers

A:

Q: 11 7 Find Y 12 2r₁²³² + y² = 4 2

A: here is the solution

Q: What is -2/3+8/9

A: -23+89

Q: What is the opposite of -1?

A: What is the opposite of -1?

Q: 4" = 53–2

A:

Q: (-5+z) is positive, but (-6+z) is negative. What number could z be?

A:

Q: How many times does it take if u add 4+8 until you get the answer 40?

A: To find: The number times it take to add until get the answer 40. Calculation: Assume the number…

Q: What is the congugate of -8-3i

A: In general if  z = x + i y   is a complex number then the complex number with opposite sign of…

Q: Multiply the expression. (3x+ 5y)² =

A: topic - polynomials

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.