*previous linear system: kx + y = 0 x + ky = 1 Using Cramer's Rule, show that x+y = for k in which the previous linear system has a unique solution. What is k if the unique solution to the system is (-180, %80)? Show complete solutions:

Q: II. Find the inverse of each matrix. -9 6 2. 4 -8

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Q: 18. If x - 2 divides p(x) evenly, which statement must be true? O2 is the slope of p(x) O - 2 is the…

A: x-2 divides p(x)

Q: Select the expression that is equivalent to (3x²+5) -5/27 1 (3x²+5)5 √(3x² + 5)² O 5/(3x²+5)² O…

A: The given expression,         13x2+5-52

Q: Find the inverse of the following matrix using inverse formula: 1 23 023 0 03

A: A-1=adj  AA

Q: Question #4 Determine how much is in the Account, if $10,000 is invested into a bank account for 7…

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Q: A plane travels 20° east of south. What is its compass heading? [?]°

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Q: The profit (SP) of selling a mobile phone is partly constant and partly varies directly as the…

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Q: A = {a, b, c, d, e, f, g, x, y, z), B = {c, r, a, z, y}. Find the following. (See Example 1.) (a)…

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Q: A triangular tarpaulin is to be used in making an advertisement. If two sides of the triangle are…

A:

Q: prevailing

A: Please refer to the image below

Q: Use Cramer's Rule to solve the system of linear equations for x and y. kx + (1 k)y = 1 (1 - k)x + ky…

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Q: Exercise 2 Find the solution of the following systems of linear equations using augmented matrices.…

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Q: A 300 meter cable wire is attached to the top of a tower from the ground. The angle of elevation to…

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Q: 20. The data set below shows the birth weights of 5 babies born at the same hospital on the same day…

A: total 5 babies  we have to find variance  mean = (6.25+7.65+8.1+9.37+5.92)/5 =37.29/5 =7.46 variance…

Q: Identify the measure of the unknown sides or angles of the given triangle. side A= angle B=…

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Q: A certain drug is being administered intravenously to a hospital patient. Fluid containing 2 mg of…

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Q: What is the measure of ZA in the given figure below? a. 70° b. 80° c. 90° d. 100° What is the…

A: Note: given option are not correct . I provide correct solution.

Q: 4 Find the area of the region bounded by x = 2y²+1 and the y-axis using the horizontal strip.

A: Area under xy axis with strip y-axis dA= xdy dA=4/(2*y2+1) dy       =2/(y²+1/2) dy

Q: . Show that a triangle with vertices (1, 4), riangle. Find its area.

A: We will solve the problem.

Q: (b) Set up the integral used to find the accumulated amount of money flow at T = 5. Select the…

A: We have to find the accumulated amount of money at T=5.

Q: So 220 is the last number in this DPS chain. The DPS chain can be written as 381 357252232220. It…

A: To find out the DPS chain.

Q: These ideals (0), (2), (3), (5) are prime ideals of Z also all of these are maximal ideals of Z. Ţ…

A: To Find: True or False Conditions

Q: Solve and show work. The population of New England was 4,000 in the year 1750. The population…

A: This question can be solved using the modelling concept of compounded growth.

Q: The function that models the amount of money C that is obtained by investing P money at an annual…

A: We have to find the minimum investment.

Q: 41. What is postorder listing of the nodes in binary Tree B? E Tree B A. FDBGEHJCA B. FDBAGJHEC C.…

A: What is postorder listing of the nodes in binary Tree B?

Q: Evaluate the integral: S/2 So sin(4t – u) du dt

A:

Q: For how long can you withdraw $500.00 at the end of each month out of a func $10,000 deposited today…

A: Please refer to the image below

Q: 3. I. Evaluate each determinant. -1 5 2 3 3

A: Let's find determinant of given matrix.

Q: A theater has 29 rows of seats the first row has 20 seats the second row has 24 seats the third row…

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Q: 16. Jose's batting average is 0.250 after 160 times at bat, which means he made a hit 40 of the…

A: Let's solve.

Q: the number 328.061479, identify the digits in the following plac Thousandths: .Tenths:

A: Topic:- algebra

Q: 60° x 30° 6

A: Concept: Trignometry foundation: (Degree minute and seconds) 1°=60'1°=3600''Here ' is for minute and…

Q: 2. Find x such that a straight line passing through two points (x + 1, −5) and (3, x) has slope 5x+3…

A: Use slope formula

Q: Express in simplest radical form. (125x6

A:

Q: ungles of the given triangle. 80 m A- 79 m B a C

A: We will use Pythagoras theorem to solve this question.

Q: tion #3 and a scalar A are given. Show that A is an eigen ce. -11 14] 10 λ = -4 -7

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Q: What is the x-coordinate of the centroid of the plane region bounded by the x-axis and the…

A: X coordinate of the centroid of rhe plane region bounded by the x axis and the semicircle y =…

Q: Given an arithmetic progression (A.P.): 5, 12, 19, ..., 124 (a) Find the first term a and the common…

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Q: In a certain Algebra 2 class of 25 students, 6 of them play basketball and 12 of them play baseball.…

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Q: 20. Marta purchased a sweater for $15.67, a pair of socks for $2.13, and a bracelet for $6.78. For…

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Q: Given a triangle with a=6cm,b=5,and c=10,find the remaining angles and side.

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Q: draw the solid x² + y² +2²=2 2 = √3x² + 3√²

A: Solution given below

Q: 1. How much interest is earned when an amount of 100,000Php is invested with annual interest rate of…

A: Let P amount is invested for t years with simple interest r%. Then total interest earned in t years=…

Q: Evaluate the integral: S/2 So sin(4t- u) du dt

A: This is a problem related to double integral. Based on the general formula and concept we will…

Q: 15.Consider the group (A, *) where *is defined by the table below A B C D ABA D C BA B C D C D C A B…

A:

Q: Question #3 Determine how much is in the Account, if $500 is invested into a bank account for 1…

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Q: [10] 5. Solve the equation. -8 a) /12x + 13 = 2x +. 1 1 + xe == El + xei I txh texh=altxel…

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Q: Four friends went out for dinner and decided to split the cost of the bill evenly. If the bill came…

A: Given:Total bill come out = $93.6Total friends=4

Q: 19. What are the approximate solutions to O5.29, 14.78 O≈ 0.92, ≈ 2.58 O-2.29, Oz≈-3.15, ≈ 1.78 ≈…

A: Given the absolute equation,18x-5=212x+3

Q: What is the variance, σ2, in the math test scores shown in the table below? Math Test Score (%) 84…

A: