An experienced roofer can roof a house in 26 hours. A beginner roofer need 39 hours to complete the same job. Find how long it takes for the two to do the job together. 12.6 hrs O 13.6 hrs 14.6 hrs 15.6 hrs

Q: The standard form of the following linear differential equation sec(x) y' + csc(x) y = 1 is: O y+cot...

A: Option A

Q: If the altitude and the base of a triangle were each increased by 2 cm, the area would increase by 1...

A:

Q: Solve for x: (x-1)(x+2)(x-3)%3D0 O x = -1, -2, 3 x 1, -2, -3 %3D O x= 1, -2, 3 %D O x= 1, 2, -3

A: Find your answer below 

Q: A loan of $9000.00 was repaid together with interest of $3728.00. If interest was 9.4% compounded qu...

A:

Q: If the total depreciation after 1 year and 2 years in an equipment are 21,776 and 36,153 respectivel...

A: We have to find salvage value

Q: cos e - sine Let A = sin e cos 0 cos 20 -sin 20 cos 20 (a) Show that A? sin 20

A:

Q: Did and smpify fl4)? d simplifyfl4? X-2 2lWhel o the bamavin of this Finchion?

A: Given query is to find the value of function at x = 4

Q: Find the value of the discriminant and determine the number of real number solutions of the quadrati...

A: Given the quadratic equation is x2+11x-10=0

Q: Paired data is best done with a scatter plot. O True O False

A: Given query is to find statement is True or false.

Q: If sin(0) > 0 and cos(0) 12 13' find tan(0). %3D tan(0) %3D

A:

Q: manufacturer needs a piece of plastic shape of a right triangle with one leg 2cm longer than the oth...

A: Given query is to find the perimeter of the triangle.

Q: A bank account grows by 8% each year. By what percentage does it grow each month? (Round your answer...

A:

Q: If z varies directly with the square of x and inversely with the cube of y, when x = 8, y = 2, and z...

A:

Q: Find the coordinate vector [x]g of x relative to the given basis B= {b,, b,. 3 b, b2 -5 -3 %3D (Simp...

A:

Q: Reasoning Find the zeros of the function f(x) = x² – 3x + 2 by factoring. How can you verify the zer...

A: To find out the zeroes of the function. 

Q: 7x + 49

A:

Q: Find the appropriate linear cost or revenue function. Fixed cost, $370; 10 items cost $2450 to produ...

A: We have to find the linear cost function. 

Q: The quadratic equation =36 has solutions +6. True O False

A:

Q: of Write an equation in vertex form for each parabola. 11. (5, 4) -16, 1)

A: Given

Q: r matrix A, (A^T)^T is equals to: * A A^T Can't say

A: We know the property,  (AT)T = A

Q: For the following matrices, use the Invertible Matrix Theorem to geometrically describe the vectors ...

A:

Q: 5x +3x+2=0 has 2 real solutions. O True False

A: We have to determine whether statement is true or false

Q: Exercises 15 0-18 0: The graph of a polynomial f(x) with leading coefficient ±1 and integer zeros is...

A: Since this is a multiple question, according to the Bartleby answering rule, only first question is ...

Q: Find the x-intereprs of the Furchiuro below 90 5x+2 2) 9(A)= -2

A: Since you have posted multiple question at a time as per guidelines we can solve only one question a...

Q: solve question 6 with complete explanation asap and get multiple upvotes

A:

Q: Determine x1, x2, and x3 for the following simultaneous equations using matrix inversion. X + x2 + x...

A:

Q: Find the appropriate linear cost or revenue function. Fixed cost, $370; 10 items cost $2450 to produ...

A:

Q: 2. QOR is a sector of radius 5 cm and has an arc length of 8 cm. S is a point on OR such that OS=3 c...

A:

Q: Name: TUTORIAL O PRACTICE 8-8 Additional Practice Scan for Multimedia Leveled Practice In 1-3, find ...

A:

Q: Exercises 21 D-24 D: Critical Thinking The graph of a polynomial f(x) with integer zeros is shown in...

A:

Q: 8. Given the AREA of 12cm for a TRIANGLE, with a height of 4 cm, HMAN AV STUD Belansi a. What is the...

A: According to Bartleby's policy we can solve only one question at a time. Here's the solution for the...

Q: 3. The table below shows the gender and amount of time each person surveyed exercises each day. Male...

A: This question can be solved using the concept of contingency table.

Q: The set B= {1+t2. -t+t, 1-2t +t} is a basis for P,. Find the coordinate vector of p(t)= 5- 11t+ 12t2...

A:

Q: A circle has a radius r. What is the resulting circumference and area if the radius is increased by ...

A:

Q: A, B and C can finish the same job is 7, 9 and 12 days respectively. All of them worked for 2 days a...

A: Given that A, B and C can finish the same job in 7,9 and 12 days respectively.All of them worked for...

Q: Solving quadratic equations by graphing often gives an approximate solution. O True O False

A: Solution

Q: justify each answer. (a) The number 1003 is prime because it is not divisible by 2, 3, 5, 7, 11. (b)...

A:

Q: Find the appropriate linear cost or revenue function. Fixed cost, $370; 10 items cost $2450 to produ...

A: This is a problem of cost and revenue parts of the business. Based on the general formula we will an...

Q: Use the properties of logarithms to expand the expression as a sum, difference, and/or constant mult...

A:

Q: Find the appropriate linear cost or revenue function. Fixed cost, $370; 10 items cost $2450 to produ...

A: Solving c(x) linear cost

Q: Find 12 41°

A:

Q: Aki discovered that an investment company would offer 7.7% annual interested rate compounded daily f...

A:

Q: 20. Find the y-intercept of the equation: x = 3y +8 А. -3/5 21. The equation of a line that intercep...

A: 20. The given equation: x=3y+821. The equation of a line has x-intercept at x=4 and y-intercept at y...

Q: Write the standard form of the equation and the general form of the equation of the circle with radi...

A: The given question has been solved in detail. 

Q: A polynomial P is given. P(x) = x3 - 6x2 + 13x (a) Find all zeros of P, real and complex. (Enter you...

A: P(x)=x3-6x2+13xP(x)=x4-625

Q: Write an exponential function for the graph. Write the function in the form y = a(b). y 16 14 12 10 ...

A:

Q: Let A be a nilpotent matrix of order n then A*n = 0 ) nxA = 0 A =nx1, l is Identity matrix

A: A be a nilpotent matrix of order n

Q: Function f(x) is shown in the table below. Find the average rate of change over the interval 3sxs4. ...

A: We can find the average rate of change in the interval as below.

Q: Brett can plow out all the driveways on his street with his new​ four-wheel-drive truck in 2 hours....

A:

Q: Solve the following quadratic equation listed below. 5x2 = 4x2 - 4x - 4 %3D O x= 2, -3 O x = -2 O x=...

A: