why this mathematical statement is true: a + b + c = (a +b) + c

Q: 2 and B= 1 0. then Show that if A = 6. -1 2 (A + B)(A + B) # A² + 2AB + B?

A: Given that A=-1201 and B=10-12 We have to show that A+BA+B≠A2+2AB+B2

Q: 1.The floor area of a rectangular house is 2a²-11a+5 square feet, one of the dimension is 2a-1, What…

A: 1. Let the two dimensions of a rectangular house are 'l' feet and 'b' feet. Then the area of…

Q: If a2+b2=117 and ab=54 Then find the value of ((a+b)/(a-b))

A:

Q: Add brackets to make this statement true. Justify 12 + 12 / 6 - 2 x 3 = 13

A: The objective is to add brackets to make the statement true.

Q: What is the formula of z?    a. (x-μ)/σ   b. (μ-σ)/x   c. xμ-σ

A: Given that.  Z-score is raw score minus mean and whole divided by standard deviation

Q: If  A= [ 1  3  1 ]        And     B= [ 4  4  -4 ]      [ 3  1  2 ]                          [ -4  0…

A: AB=

Q: What is the answer to C(n, n-r+1)

A: The formula of the combination is given by: Crn=n!r!  n-r!

Q: and B = . show that 3 -1 4] (A + B)² # A² + B² + 2AB If A =

A:

Q: The most conveneient way to evaluate x² – 4 by substitution is to let x2 – 4 =y A True B False

A: On solving this we will get

Q: Which of the following expressions does NOT make sense?

A:

Q: hello  am still a bit confudes , so what would be the answer ?

A:

Q: 2. The expression (2a) is equivalent to 1) -8a4 2) 16 4 3) 2 4 4) 16a* 1 4

A:

Q: 4-61 Translate these algebraic statements into words. y-2x 5 y 6x-5 a) What do you know about figure…

A:

Q: Solve the following: (3^4+(16-3×4))/((6+3^2)÷(7-4)) (8-√9)×(4^2-3+1)

A: Evaluate: 34+16-3×46+32÷7-48-9×42-3+1

Q: Find |AI, IBI, AB, and IABI. -2 A 1 2 ] B = [2 -2] 4-2

A: a) A=(-2)(-2)-(1)(4)          =4-4           =0⇒|A|=0b) B=(2)(-2)-(4)(0)           =-4-0…

Q: How can you find the values of a, b, and c so that det(A) = ax2 + bx + c?  A =    x 2 0 1 x -2 -4…

A:

Q: Væ = 7, – 7

A:

Q: *#1.) Tamia lives at (-3,-2), Sean lives at (4,-6), and Nate lives at (-1,7). Who lives closest to…

A: Given that,  Tamia lives at -3, -2 Sean lives at 4, -6 Nate lives at -1, 7 To find, who lives…

Q: Name the property illustrated by the equaility (3+5)+9 = (5+3)+9? show your work neatly?

A: 3+(5+9) = (5+3)+9

Q: Why are the mathematical symbols and languages important in our daily lives?

A: Mathematics is the most integral part of our daily life . With the help mathematical symbol and…

Q: 4 4. Determine if AB = BA is true for A = 6. -3 and B = 2 -4

A:

Q: (-4a + 3)(-2a - 3) = 8a? + 6a – 9 %3D O True O False

A: We have to find whether the given expression is true or false.…

Q: 10- 13- 16- 19-2 4 12 20 14

A:

Q: A. В 1 x a n

A: From ven diagram we can get answer easily

Q: The compound statement [A v (¬ B)] = [(- A) a B] is equivalent to

A:

Q: 4 Ty -2 -2- 47 2 4 -4

A: Given:

Q: || -1 2 II [1 2 - 4 - 3 2 6 -1 REF of A, what is A13? REF of B, what is B12? AT, what is A¹ 22? 0 -…

A:

Q: How would i go about answering this? provide and answer and explain

A: Consider the given triangle: The objective is to find the anlge x.

Q: 3. Briefly discuss why this mathematical statement is true: a+b+c= (a+b)+c

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 3{/X+ y > xy ху

A:

Q: で+7e+12 2²+2x-15

A:

Q: Find (if possible) a. AB and b. BA 6 -2 2 7 A = B = -8 3 0 3

A: A has 2×2 ,  B has 2×2 matrix, output AB and BA  will have 2×2 matrix, thus matrix multiplication…

Q: Your friend solved the equation in the bo 2. 2 7 2 5 15 13 3 15 13 15 35 2.

A:

Q: Find I(3/2), I(-1/2), and I(-3/2) in terms of n

A: Γ 32=∫0∞t32-1e-tdt=∫0∞t12e-t=0.282π

Q: What values of b satisfy 3(2b + 3)2 = 36? b =  and  b =  and  b =  and  b =  and

A:

Q: Why is this statement false? "If f(2)=2, and f(4)=4, then f(3)=3."

A: To show following statement is false If f2=2, and f4=4 then f3=3

Q: If the expression is written in the form b and c?

A: Given that The given expression can be written in the form of ax^by^c To find The product of a,b and…

Q: I am in Fundamental Mathematics 3.   -⅖-7/10 is the problem Thank you

A: LCM of 5 and 10 : 5=5 10= 2 x 5  LCM of 5 and 10 = 5 x 2 = 10

Q: ISA = [; and B =| 1 1 5. 1] 3 find AB -2 0] 12 1 |-2

A: Given : A=130215, B=2113-20 To find element of first row and first column of AB, multiply elements…

Q: Explain why the calculation (axb). (ĉ. d) is not meaningful.

A:

Q: What is the base of y= -1/2log(x+1)-5

A: This matter of base is different in different different subjects. Since we are studying now maths ,…

Q: Evaluate ,C3 and gP3- %3D = 0 P. %3D 8 3

A: Formula to find the Combinations is nCr =n!(n-r)!×r! Formula to find Permutation is nPr =n!(n-r)!

Q: Which property would justify the following statement? If x+2= y and y = 20, then x+2=20.

A:

Q: 2 3/2 (4-x2) x2dx

A: The given integral is (4-x2)3/2x2, limit from 0 to 2.

Q: If (6x − 11)(6x + 11) = ax2 − b, what is the value of b? The value of b is [1].

A:

Q: who is the father of algebra?

A: It’s a debate between two personalities for being the father of Algebra.

Q: An algebraic expression of the form a + b, which consists of a sum of two terms, is called a

A: A algebraic expression of the form a+b, which consists of a sum of two terms, is called a _______.

Q: What is AA-1, where (1 2 2) A = |2 1 2 2 2 1

A: Consider the matrix A=122212221, Now,  d=11-4-22-4+24-2=1-3-2-2+22=-3+4+4=5 Thus, the inverse of the…