9. A mechanic can overhaul an engine in 10 days. After working 3 days, his helper helped him, and the task was completed in 5 days. How long would it have taken the helper to complete the task alone? Enter your math answer

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A: We need to find out the given transformation by using  the elementary row operations.

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A: Given: 0-35012

Q: x2 - 3x + 2 = 0 2x2  + 7x + 3 = 0 Solve by factorization. You must clearly show your method.

A: Given problem:- x2 - 3x + 2 = 0   2x2 + 7x + 3 = 0   Solve by factorization. You must clearly show…

Q: -7 11 15- :{-7, 11, 15} : {3,4,8, 15} =: {y ER} 3 5 LO 8 15

A:

Q: Find all zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers…

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Q: a mother eats 1/8 of a full pizza and gives the reminder of the pizza to her 2 children. the…

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Q: Let A = and B = and [1 - [. C = -1 -3 -2 5 оооооооооо 38 -7 -2 -9 1 -1 -3 -8 0 -2 6-6 then which of…

A: Given:A=-1-3-25B=38-7-2C=-91-1-3-80-26-6A(rows=2,columns=2)B(rows=2,columns=2)C(rows=3,columns=3)The…

Q: b. Find the general solution of the following equation i) +5+6y=0

A: We are asked to find the general solution for the given equation.

Q: Find 85 and an for the following geometric sequence. a4= 3072, r=-8 84 Find a5 for the geometric…

A: Given :a4=3072 and r=-8

Q: Question -[-7⁰ d] 1 a Find all values of a for which the inverse a of A exists. Let A = ^= b) of A…

A:

Q: What are the values for y when x is 2,4, and 6? y=3x + 6

A: What are the values for y when x is 2,4, and 6? y=3x + 6

Q: Which expression represents the difference of (8x³ +6x² + 5) and (5x³ - x²-3x + 1)? 3x³ + 5x² + 3x…

A:

Q: 5. (True or False,. Suppose C is the boundary curve of the closed region D, then we have ſf, 1dxdy =…

A:

Q: The period of a pendulum is the time it takes for the pendulum to make one full back-and-forth…

A: Substitute L= 72 feet and  π= 22/7

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A:

Q: 3. (x4y4+x²y² + xy)ydx + (x4y4 - x²v² + xy)x dy = 0

A: The given differential equation is;  (x4y4+x2y2+xy) y dx +(x4y4-x2y2+xy) x dy=0.

Q: [3 1 Using Gauss-Jordan Elimination, the inverse of 01 3- is 13 1 1

A: Given :31-101-1311

Q: 3. Cindy has 84 bills consisting of P 10 and P 50. If the total amount of her money is P 3280, how…

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Q: Let M-1 = [² ¹9]. 18 Then (2M¹)-¹ = [3] the above matrix None of the mentioned 4 [1/2]

A:

Q: Are the vectors linearly independent if they are linearly dependent, find scalars that are not all…

A: A detailed solution is given below

Q: Write an equation for the degree-four polynomial graphed below 5 + 4 13 y = 2 1 -5-4-3 -2 -1 -1 -2…

A:

Q: Suppose customers in a hardware store are willing to buy N(p) boxes of nails at p dollars per box,…

A: Demand function is  N(p) = 100-4p2 , <=1p<=4.  a) find the average rate of change of demand…

Q: (-2-7i)(-1 - 6i) = (-2-7i)(-1 - 6i) =

A: Since it has a multiple parts of question and answered according to the guideline

Q: can you please do the rest

A: Let's do other parts.

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Q: Find an equation for the line below.

A:

Q: 1. The Saints softball team has 3 different colored jerseys (black, orange, and white), three…

A: There are 3 different jerseys of colors black, orange, white and 3 different pants of colors black,…

Q: Solve the system by elimination   -4x-4y=-12 4x-3y=19

A: Here we have find the solution by using elimination method.

Q: For 116-125, find the indicated information for the given function: g(x)= have more than one answer.…

A: Note:- As per our company guidelines we are supposed to answer only first three sub-parts. Kindly…

Q: where is the res

A: We can find rest parts .

Q: For every n x n matrix A, we have A adj (A) = (det (A)) In

A: Our Aim is to prove that whether the given statement stated below:-For every matrxi n×n matrix A, we…

Q: 4) Which of the following is a subspace of R^3? Justify your answer. i) W={(x,y,z)|x+y+z=0} ii)…

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Q: The formula v= √2gh gives the velocity v, in feet per second, of an object after it falls h feet…

A: Here, v=2gh where vis the velocity in ft/s, g is the acceleration due to gravity in ft/s2 and h is…

Q: Find the equation of the line (in standard form , please) passing through the    Find the equation…

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Q: Let g be a function from Z+ (the set of positive integers) to Q (the set of rational numbers)…

A: Let's solve.

Q: Suppose that the functions h and g are defined as follows. h(x) = -5+4x² g(x)=9-5x (a) Find (2). h…

A: We can answer both the questions as below.

Q: QUESTION 1. Solve each of the following ODEs. If initial conditions are given, give the uniqu…

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Q: A square matrix B is similar to a sqauare matrix A if there is an invertible matrix P such that…

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Q: Q.5. Let a, a₂? and b 3. For what values of his b in the plane spanned by a, and

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Q: QUESTION 4 0.048 kg of H₂O = mL

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Q: 7. Factor fully. a) 4 x² - 81 b) 16x40x² + 25x 8. Solve -4x + 60x³ = 200x² SITU

A: According to bartleby guidelines for multiple question I can answer only one question but I have…

Q: 5-6 Find the area of the shaded region by (a) integrating with respect to x and (b) integrating with…

A: As per the company guidelines We can first question only. Please understand. Kindly repost the…

Q: Factor the polynomial completely. Q(x) = x² - 2x + 2 Q(x) = (x+1-i) (x+1+i) x Find all its zeros.…

A: Let's solve for zeroes of given polynomial function.

Q: Consider the accompanying matrix as the augmented matrix of a linear system. State in words the next…

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Q: 1. A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is…

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Q: Solve using only enumeration formulas (combinations, permutations...) How many 4 digit numbers…

A: Concept: Permutation: In permutation, things are chosen, and the order in which they are chosen is…

Q: The determinant of a square matrix A is O if and only if one column of A is a multiple of another…

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Q: ! Let A be a 3 x 3 matrix such that A² = 13. Then None of the mentioned A is invertible and A-¹ = 3A…

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Q: 2 3. Let A be an invertible matrix such that A-¹ = 0 1 2 1 3 0 1 01 Solve the system (2A²)x= b,…

A: In this question we have to solve the system of equation.