Solve the following system of equations by using the addition elimination method. x+2y = -4 -3x + 2y = 4 O (-2,-1) IA 21

Q: bought a textbook online with her credit card. The website offered a 15% discount off the original p...

A: Given query is to find the original amount of the book.

Q: Suppose A is the 3x3 zero matrix (with all zero entries). Describe the solution set of the equation ...

A: We can explain the answer as below

Q: Use the given conditions to write an equation for the line in slope-intercept form. 3 4 Passing thro...

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Q: You invested $6000 between two accounts paying 5% and 6% annual interest, respectively. If the total...

A: NOTE: Refresh your page if you can't see any equations. .  x=amount invested at 5%  y=amount investe...

Q: if x<-5 f(-6) what is the value of F(1) 3x-6 if-5sx<2 Given Blank 1 x -1 #x22 Blank 1 Add your answe...

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Q: Solve the inequality for x. 3x-8<16 Simplify your answer as much as pc

A: 3x-8&lt;16

Q: Write the contrapositive of the statement "If n? is even, then 2n+5 is even."

A:

Q: 8. Which of the following best describes Figure 4? Figure 4 A. ji is parallel to ray point E. B. JU ...

A: As per guidelines we can answer only one question at a time so we can answer only question no. 8 for...

Q: expressions. @-岩。) 3b 9. 2a 2х -3 Зх-2 4. 4x 3 6. 긁-꽃 + 13 7 X-3 2x 3x 8. 5х-20 x2-16 x2- 3x +2 3x-3...

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Q: rtain spring 12 in., how far will the

A: Given that the stretch in spring is directly proportional to weight placed at the end. let  w = weig...

Q: Show that given relation is Symmetric For X, y e R say x is congruent to y modulo Z if x - y is an i...

A: This question is related to number theory.

Q: The graph shows the price for a package of apples at various stores in a city. The package price is ...

A: The solution is given below-

Q: How much more would you earn in the first investment than in the second investment? $51,000 invested...

A: $13722378 more on the first investment than the second investment  

Q: t Big Al's hot dog stand, two hot dogs and three sodas cost $7. The cost of four hot dogs and two so...

A: follow next step

Q: Evaluate the following function at the values 2, - 3, and x- 2. f(x) =x? - 4 f(2) = E| (Type an inte...

A: NOTE: Refresh your page if you can't see any equations. . take x=2

Q: I am given the question  Suppose A = {a, b, c} Indicate which statements below are TRUE.

A:

Q: Find the present value of the given future amount. Assume 360 days in a year. $102,565 for 224 days ...

A: topic - simple interest

Q: Alliah has two equations that she found to be valuable models for her research. She thinks that if s...

A:

Q: an investment grows according to the formula B = 8000 x 1.0065t dollars, where t is time, measured i...

A: Given:- An investment grows according to the Formula B = 8000 x 1.0065t dollars, where t is time, me...

Q: Complete parts (a) through (c) below. a. A storage pod has a rectangular floor that measures 23 feet...

A:

Q: Ja + b а а a + b — b? (За + b) а а %3D а а + bl а

A: Let A=a+baaaa+baaaa+bR1→R1-R2R2→R2-R3A=b-b00b-baaa+bC2→C2+C1A=b000b-ba2aa+bC2→C2+C3A=b0000-ba3a+ba+b...

Q: Fartn the pallowing completely. -/2 1. + 2X 4_ sa"(a-2) 4/3 2 a° Ca-zj%_ sa 9x-3x +3X + 1 2. 2

A:

Q: Last year, Jim had twice as many acres as Fred but over the course of the year Jim sold 300 acres wh...

A: topic - linear equation in one variable

Q: The height of a triangle is 6 ft greater than base. The area of triangle is 108 square feet. Find le...

A: The height of a triangle is 6 ft greater than base. The area of triangle is 108 square feet.

Q: if x<-5 f(-6) f(1) 3x-6 if -5sx<2 Given what is the value of .Blank 1 3-1 fx22 1/3

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Q: Translate shapes Draw the image of AABC under a translation by 3 units to the right and 4 units down...

A:

Q: . This year the Cobra's football team has two more than triple the number of players as last year. I...

A: This year the cobra's football team has two more than triple the number of players as last year.Ther...

Q: Choose the ordered pair which is the solution to: x + y = 3 and x - y = -1. O (3,0) O (4,1) O (-1,4)...

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Q: P= { January, February, March} Q= {June, July, August, September} a) Yes or no: Are the sets P and Q...

A: a )   We know that two sets are equal if the sets.  have the equal cardinality and all equal element...

Q: Moneysaver's Bank offers a savings account that earns 6.5% interest compounded continuously. If Deon...

A:

Q: A system of linear equations has no solution when the slopes are equal and the y-intercepts are the ...

A:

Q: Complete the statement: "A function is a relation in which each element in the domain corresponds to...

A:

Q: 1. Find the present value of a perpetuity of P20,000 payable semi-monthly if money is worth 8% compo...

A:   Perpetuity is a type of annuity that has no end.  According to question the data are as follow:- P...

Q: (b) The coffee is cool enough to drink when its temperature is 150 degrees. When will the coffee be ...

A: Solution of all the parts is in below steps.

Q: Graph the quadratic function f(x) = (x+5) - 3. Give the (a) vertex, (b) axis, (c) domain, and (d) ra...

A: Given,           fx=x+52-3To find : a vertex, b axis, c domain, drange

Q: 62. Each of the accompanying graphs represent the sidewalks to be cleaned in a fancy garden (one pas...

A: An Euler circuit is a circuit that uses every edge of a graph exactly once. An Euler path starts and...

Q: Calculate the probability of tossing a coin 15 times and getting the given number of heads. 3. 4 4. ...

A: We have to find the probability.

Q: Let S and T be linear maps of V on W. We define S + T as (S + T)v = S(v) + T(v) for all v ∈ V and we...

A:

Q: Write an augmented matrix for the following system of equations. 7x - бу + 7z = - 6 7x - Тy + 8y - 8...

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Q: Find the present value of the given future amount. $96,000 for 15 months at 6% simple interest What ...

A:

Q: Vx e R, 3ye I, x – y = 8

A: The given statement is 

Q: Factor the expression (show work) x^2+21x+38

A: We can factor the expression as below.

Q: eeding group of foxes is introduced into a protected area, and the population growth follows a logis...

A: We have to calculate no. Of foxes for t= 0

Q: Fill in blanks to simplify rational expression When - is simplified, the result is A+B¤+C Find the v...

A: topic - rational expression

Q: You just purchased a rectangular waterfront lot along a river’s edge. The perimeter of the lot is 14...

A:

Q: What is the domain of the function below? 10 -10 -5 10 5.

A: We can find the domain as below.

Q: Mike Branson invested his summer earnings of $5000 in a savings account for college. The account pay...

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Q: The figure below is a parallelogram. Solve for x. Y 80° 11x – 10 W Select the correct response: 11 1...

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Q: What is the mathematical translation of "7 is an odd number"? (Let n be the number) a. 7(e) {2n - 1...

A: We have to find out 7 is a  odd number 

Q: (a) Find the Inverse of the Matrix: (b) Check the product of A and its inverse if it results to an I...

A: