Rolf's Golf store sells golf balls for $30 per dozen. The store's overhead expenses are 28% of cost and the owners require a profit of 21% of cost.   a. How much does Rolf's Golf store buy the golf balls for? $per dozen, Round to the nearest cent   b. What is the price needed to cover all the costs and expenses? Round to the nearest cent     c. What is the highest rate of markdown at which the store will still break even? Round to two decimal places %     d. What markdown rate would price the golf balls at cost? Round to two decimal places %

Q: 14. ƒƒƒÂ(x² + y² + z²) dV, where D is the solid region inside the sphere p = 2 cos & and outside the…

A:

Q: 1. Complete these tasks for the following graph. 6 4 g(x) 2 -4 -2 2 4 a. Determine the domain and…

A: In this problem, we are given line graphs for two functions,  and , along with their respective…

Q: Find the monthly payment for the loan. (Round your answer to the nearest cent.) $ Finance $854,000…

A: The above answer can be explained as under - Here, the question is asking to calculate the monthly…

Q: Please find the solutions

A:

Q: 1. Use the variation of parameters to solve: x³y" - x²y" =8lnx

A: Therefore the general solution is y(x)=34log2(x)​+932log(x)​+c1​x3+c2​x+c3​Explanation:Step 1:

Q: Need help with these two Intro to Elementary Number Theory Homework Problems.

A: For answers, please refer belowExplanation:To determine the order of a = 9  modulo n = 40, we need…

Q: d) 6a²y dx² - dy dx + y = 0; y(0) = 4 y'(0) = 0

A:

Q: Create a table of values for the quadratic function (use x=0,1,2,3,4 and5), then calculate first and…

A: The objective of this question is to create a table of values for the given quadratic function…

Q: In Problems 27 – 36 solve the given initial-value problem

A: Please comment down for any doubts. I hope my answer helps you.

Q: Find the scale functions (h;'s) for the transformation from Cartesian (x, y, z) to (u, v, w)…

A:

Q: If xr = cos(л/2") + i sin (л/2"), Show that X1X2X3X4.....Xn = COS lim x1x2x3x4......xn= s [π (1 −…

A: We shall first express xr in terms of e raised to a power involving π and 2r. Then, we'll use the…

Q: δω Find ду X and ǝw ду Z at the point (w, x, y, z) = (5,-1,- 3,1) if w = x²y² + yz −z³ and x² + y² +…

A: Given,           To find the at the point .

Q: e integral;

A:

Q: Please help me with these question. I am having trouble understanding what to do. Please show all…

A: The first part of the question is asking us to prove that the sum of the kth powers of the first n…

Q: The average number of miles driven on a full tank of gas in a certain model car before its low-fuel…

A: Step 1:Step 2:

Q: Let (an) and (bn) be two bounded sequences of positive real numbers. Prove that lim sup(anbn) (lim…

A: Given two bounded sequences of positive real numbers  and .We have to prove that, .To do this, use…

Q: dx dy dx +γ = 2(c-Ay) and Y. + ds ds ds where c and d are constants and rt 8(t) = √6° Show that…

A:

Q: 10. You’ve been asked to determine the shortest distance from each house to the pump before lay…

A: Step 1: Provide the original diagram:  Step 2: Determine the shortest distance from each house: For…

Q: the answers should be left in factorials or binomials

A: Probability of getting a multiple of 3 exactly 5 times: The probability of rolling a multiple of 3…

Q: ection 5.1 Number 4(b) only with perfectly and com

A:

Q: Problem #3: Suppose that f(x) is the sum of the Fourier series f(x) = 3 + 5+6n sin(nx) 1+1 = n=1 +…

A:

Q: Joe is a sales rep whose territory consists of the 6 cities in the mileage chart to the right. Joe…

A: It is given that Joe wants to visit customers at each of the cities, starting and ending his trip in…

Q: In order to prove that a statement is false, you must write out its negationand then prove that the…

A: a) To prove that R is an equivalence relation on P(A), we need to show that it satisfies three…

Q: (a) Find orthonormal vectors 91, 92, 93 such that 91, 92 span the column space of 1 2 1 A - 1 -2 4…

A:

Q: For the car loan described, give the following information. A newspaper advertisement offers a…

A: To calculate the information requested: (a) Amount to be paid: Total amount paid = Monthly payment *…

Q: Find L{cos² wt}

A:

Q: Draw and complete solution topic is “Graphs and Networks”

A: You have correctly outlined the steps for solving the constrained optimization problem using the…

Q: Find all of the primitive roots of p = 89 (recall that we defined primitive roots to be certain…

A: We need to find all the primitive roots of p=89.Let us use the hints given.2 is not a primitive root…

Q: Test whether each of the following permutations of {1, 2, 3, 4} is a stack permutation. If it is a…

A: Simulate the process of pushing and popping elements according to each permutation: a. 2143:Start…

Q: P(Z) (2) Let P(Z) = a + bz + cz² and f dz = = $c P(Z) Z² dz = f P(Z) dz = 2πi Z3 where C is the…

A:

Q: 1 (b) Explain why {3-7-4-4} 5 is not linearly independent.

A:

Q: Please help me with this question. I am having trouble understandin what to do. Thank you

A: The objective of the question is to prove that every positive integer can be written as a sum of…

Q: *NEED HELP WITH 1, 2, and 3*DYNAMIC INVENTORY MODELSPLEASE WALK THROUGH WITH EXCEL IF POSSIBLE,…

A: 1. Replenishment Plan and Cost Calculation for Each Heuristic:A. EOQ as a Time Supply Heuristic…

Q: Need help with these two Intro to Elementary Number Theory Homework Problems.

A: Step 1We know that any solution (x) to the congruence \(x^{30} \equiv 1 \pmod{n}\) must satisfy…

Q: Using Euler's method dx/dy=x+y range from x= 0(0.1)0.5 . Please show working

A:

Q: Annual Rate : 9.0% compounding  periods per year: 2 Four Rivers Bank  Annual Rate : 8.0%…

A: Here we apply periodically interest formula

Q: Solve the following initial value problem using Laplace transforms. y"-6y+9y=test, y(0) = 2, '(0) =…

A:

Q: Question Content Area Selected financial statement data for two years ended December 31 for Carey…

A: The objective of the question is to calculate the days’ cash on hand for two years for Carey Co. The…

Q: 3.3.13 Intro To Real Analysis

A: The method involves using the iteration formula:x_{n+1} = (x_n + 2/x_n)/2where x_0 is the initial…

Q: D I= dQ dt If the circuit resistance is zero, then the charge Q and the current I in the circuit…

A: Given differential equation , henry and farad.We have to solve the given differential equation.

Q: Find the future value, using the future value formula and a calculator. (Round your answer to the…

A: The above answer can be explained as under - Future value = Principal + Simple interest Simple…

Q: 1. Solve the following Differential Equations dy a) y(−1) = 1 dx

A:

Q: help with this hw problem

A: The objective of the question is to prove that the given sequence (xn) converges and to find its…

Q: Use the Laplace transform to solve the initial value problem: 2y" -3y-2y= = 4et, y(0) = 1, y'(0) =…

A: Given initial value problem is            ,   Take the Laplace transform on both sides then…

Q: Find the inverse Laplace transforms of the following functions: s+5 5. (a) F(s) = $² +s-2 4 (b)…

A:

Q: Use the definition of Taylor series to find the Taylor series (centered at c) for the function. f(x)…

A:

Q: (a) Explain why -3 is not a generating set for R4.

A:

Q: Rachel deposits $12,000 into a fixed asset account that earns 6% compounded quarterly. What is…

A: Formula:      where FV = Future Value          PV = The principal amount (the initial amount of…

Q: 2. For the following linear program maximize x18x23x3 subject to 2x1 +8x2+2x3 ≤ 4, 2x14x2 3x3 ≤ 4,…

A:

Q: e. ƒ (t) = tU(t − 3) f. f(t)=sint U(t − π)

A: We have to find the Laplace transformation of the given function.