16) 6x – 12y= 24 -x- 6y = 4 18) -24 – 8x = 12 y 7 1+-y=- 18 20) -9 + 5y =-4x -11x=-20 + 9y

Q: The number of students in classes P, Q, R and S is 6:5:3:2 respectively. The total marks scored by…

A: Introduction :

Q: How did he get the value inside the line 162 112 96z 16 - (2+1)(4z-1)(2z-1) 85(2+1) 85(2+1) 5(2z-1)…

A: Solution is given below:

Q: A student of yours explains that they calculated 3/4 -1/3 = 1/2 because if they have 3/4 and remove…

A:

Q: Suppose that Rob and Big both raise animals and sell them. Because Rob and Big have different…

A:

Q: (k+1)! −1+ (k+1) ( K+1)! (k+1)! [₁ + (k+1)] = = (k+1)! (k+²) -1 (k+2)! - 1

A: Introduction: Factorial is a very important symbol in mathematics. It is always applicable to any…

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A: Let XY,XZ and YZ be the events of travelling from X to Y, Y to Z and X to Z respectively: It is…

Q: The numbers 1, 2, ... 10 are written in a row. Is it possible to put signs - and + between them so…

A: We know that the sum of all the numbers from 1 to 10 is 55

Q: 2х, — Зх, + 2х, 3 —14 b) {3x, + x2 — 5х3 + 3x4 3D 1 (4х, — 2х, — 5xз — 3х4 %3D2.

A: Let's find.

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A:

Q: Ā = ë, + 3ë, – 2ẽ, -B*=? B = 4ẽ, – ë, Ĉ = -3ẽz– 5ẽ,

A:

Q: . Since 10 is the "middle" value of {9,9,10,10,17}, the …………of H is 10.

A:

Q: A garden has two rectangular flower beds.  In the first bed, we will plant five different flowers in…

A: Given that, A garden has two rectangular flower beds.  In the first bed, we will plant five…

Q: If I have flags from 11 different countries 6 are from the continent of Africa and 6 are from the…

A: Given information Africa display=6 flag Hence, number of ways of arranging Africa flag=6! Europe…

Q: Find proj, u and scalyu by inspection without using formulas. 10- projyu = 6- 4- 2- -10-8-6-4 2 -2-…

A:

Q: LA company has two machines. During any day, each hine that is working at the beginning of the day…

A: Let us define the markov process Xt as the number of machines working at the beginning of the day…

Q: -4-5-10-7 LE]=-4-1-6 -9 [FI=10 3 45 9 le 7 81 M 6-3 2l IEI %3D -51-7-10 니LEJ+aLF. %3D

A:

Q: If y= 4sqrt(9x^3+10), then y'=

A: according to our guidelines we can answer only first question and rest can be reposted.

Q: 1. What is the primary purpose of map symbols and what are the three types of symbols that we can…

A: Primary purpose of map symbols- symbols make it easy for people to understand the map and to get…

Q: 4= Acosu +Bsiox and y(a)-5 thenA=-

A: Substitute x=π in equation y=Acosx+Bsinx. y=Acosx+Bsinxyπ=Acosπ+Bsinπ ⋯ (1)

Q: ) 6 = ( ۱۰ ۱۱ , , , ( ۱۰۹۰۱ ) T( ۱-۱-۱ ) - (۱ - ۱٫۰۱ ) T (1,0,2)=(7,0, 10) 7(1,0,-1)=(5,0,1) (۱۱۱)…

A:

Q: perform the indicated operations andsimplify.

A: 17).  To perform the indicated operations and simplify. 6x38y3·16x9y2·15y4x3 Solution: We know that,…

Q: 4) The sum of the first 10 terms, let the first term be (a)and the common difference (d), then the…

A: Given , The 8th term is given by 23 and a11=4a3  To find the sum of 10 terms is 155.

Q: 7. 4r+ 8y +5: =5 6r+ 5y +2: = 3 3r+ 2y+3: =3 8. 2r+3y - 5z = 30 Sr+ 7y - 12: = 71 -llr- 15y + 26:…

A:

Q: An employee at a construction company is ordering interior doors for some new houses that are being…

A:

Q: 6. If x= +4 and 7 (ii) - (x+y) = (-2) + Cy 21 5 Page then verify that

A: Given data:- x=-47y=25 Given equation; -x+y=-x+-y

Q: Ralph walks from (1,2,3) to (2,4,-3) and Bob walks from (-1,-2,-3) to (-2,-4, 2). Who walks longer?

A: Given thatRolph walks from 1,2,3 to 2,4,-3and Bob walks from -1,-2,-3 to -2,-4,2We have to find…

Q: 1 2 –1 -1 = -и + n- -u. 2 4 3

A: Given,          -1=12u+14u-23u

Q: If [2 A = |1 4 4 2 3 27 -3 and B = 4 4 [0 -2 -3 -4 4 Then 6 11 10 2A+B = 6. -1 6 -1 -8 -2

A: The given question is related with matrices. Given that,                A = 2441-320-2-3 and B =…

Q: Suppose ū = (0, -3, –2) and ū = (-1, –4, –5). Then: u + v= u – v= v – u= 5u= 2u – 4ū=

A: Givenu¯ =0,-3,-2v¯ =-1,-4,-5

Q: A license plate has the form YYY-MATH, in which Y is a digit from 1-9, M has to be the number 5, A…

A: First we will find the number of choices for each then multiplying those choices will give us How…

Q: Find [-2,3) n (-1,5) (3,5) .A (-4,-1) BO [-2,5) .CO (-1,3)

A:

Q: A man has a change of $4.55 compose entirely of dime and quarters. What are the maximum and minimum…

A: Detailed explanation mentioned below

Q: Use the graph of each function to identify its domain and its range.

A:

Q: A pre-paid cell phone company charges $14.95 as a monthly access fee and $0.08 per minute of calling…

A: Topic :-  function

Q: 2 1 5, If 21 = 22 = L3, 24 = 25, and m24 = mz3 + 10°, What is mz5? %3D m25 =

A:

Q: If an =n+ 3", n >0 then choose the correct option O az = 4a2 + 10a0 + 4 a3 4a2 - 10a0 4 аз — 4а2 +…

A: I have checked one by one for given option

Q: In how many ways can an elf climb a staircase of 15 stairs if each step it takes can cover 1 or 2 or…

A: We will use the recurrence relation to find the number of ways in which an elf can climb 15 stairs.

Q: A student claims that he can correctly identify whether a person is a business major or an…

A: Solution:  The null and alternative hypothesis is  Ho: The person is a business major.    Vs  Ha:…

Q: 10) (-3x - 15x- 4x) dr 3 A) 1 +C + 4 ,5 3 В) 1 + .4 + C - С) -22х + С 3 D) 15 4 +C 4 | 3 +

A: solution of the given integral is below...

Q: 052-8 -4 -1 -7 -5 [E = 3 7 8-7 [A] = -9 5 1 -3 %3D -3 -9 6 4 4 -8 2 9

A:

Q: In a digital circuit, what will be the output of an OR gate that has 4 inputs, in which, one input…

A: Given: In a digital circuit , the OR gate has 4 inputs in which one input is high and the other…

Q: If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is:

A: There are three equation given 7xy + 5yz – 3zx, 4yz + 9zx – 4y –3xz + 5x – 2xy

Q: A builder is planning to build 12 houses along one side of a road. He will build 2 houses in style…

A: Given data: The total numbers of houses are n=12. The number of styles A house is A=2. The number of…

Q: In justifying that 5- (-2) = 7, we could add a 0 to the 5 and replace it with: O 2-2 O -2-(-2). O…

A: In justifying that, 5 - (-2) = 7, we could add a 0 to the 5 and replace it with,

Q: Simplify: (-n-4n +2)-(-8r -4-6n) 1. -4n +7n+6-3n* 2n + 7n +6-3n* Option 1 Option 2 5n + 7n +6- 3n 2n…

A: the given expression is: -n2-4n3+2--8n2-4-6n3 we have to simplify the given expression.

Q: A media personality argues that global temperatures are not rising, because every year an increase…

A: Given that the difference between the temperatures of two consecutive years is 0.08  That means the…

Q: - (-17 + 8)  + 6 x (-3) =      ii)  -6(-4) - 3(-5) + 3(-3

A:

Q: 18수 16 14 -12 10- -8 -4 -2- -2 2 4 -2 -4 --6

A:

Q: 5. If the sum of the squares of two sides of a triangle equals the square of the third side, then…

A:

Q: 3.2 Re(z1z2) = Re(z1) Re(z2) %3D

A: Let z1 = a+ib and z2 = x+iy ​ then z1z2 = (a+ib)(x+iy)                    = (ax−by) + i(bx+ay) So,…