Start your trial now! First week only $4.99!*arrow_forward*

Question

Solve the system of equations.

−2x+5y =−21

7x+2y =15

Enter the exact answer as an ordered pair, (x,y).

1 Rating

Tagged in

Math

Algebra

Find answers to questions asked by students like you.

Q: Use the drop-down menus below to create an equation that represents the line on the graph. Answer ch...

A: Click to see the answer

Q: Given that −1=−4x−3y and −5=7x+6y, find the values of x and y using the inverse of a matrix. Give yo...

A: Click to see the answer

Q: You deposit $6000 in an account earning 5% interest compounded monthly. How much will you have in th...

A: Click to see the answer

Q: Is the relation defined by the table functions of x? x 1 2 3 8 9 y −4 −4 5 19 5 YesNo ...

A: Given, x 1 2 3 8 9 y -4 -4 5 19 5

Q: Which function has a restricted domain

A: Click to see the answer

Q: Please help me and write in the Ln or log form. Find the 9th, 24th, and nth terms of the arithmetic...

A: Click to see the answer

Q: A car traveled for t=2.6 hours at a constant speed of r=74 miles per hour (mph) use the formula D=R....

A: given time T = 2.6 hours speed R = 74 miles distance D = ? formula D = R*T detailed solution is give...

Q: Jim is making a mixture in science class. Jim uses 5 x 10^-3 liters of water. He uses 9 x 10^-1 lite...

A: Click to see the answer

Q: 7. A tank in the form of a right circular cone is 0.90m high and its base is 0.60m in radius. It is ...

A: Find the original volume given, r=0.60m, h=0.90m As we know that volume of cone is volume = 13πr2hP...

Q: 8 Find all zeros. a) f(r) = 23 + 3r? – 4x – 12 b) f(r) = a – 7x4 + 10r3 + 14r² – 24x c) f(r) = r(r –...

A: Click to see the answer

Q: I am having trouble on completing the statement. Can you please provide me with some help? Thank y...

A: Explanation: Transformation rule is: Suppose we have a graph of f(x). Graph of f(x-a) is shifting th...

Q: Algebra Question

A: according to given data d=vt ∵ v=1.5meter per secon...

Q: If a family has seven children, in how many ways could the parents have three boys and four girls?

A: Since there are 7 children. To find the number of ways such that parents have three boys and four gi...

Q: 2 Find the vertex of the following parabola. a) f(r) = 22 – 2r + 5 b) f(r) = 322 + 12r – 9 c) f(r) =...

A: Click to see the answer

Q: A quantity decreases by 4% for each of 10 years. What is its percentage decrease over the 10-year pe...

A: For this problem, Assume initial value as x.

Q: What is the slope of the line that passes through the points (−10,8)(−10,8) and (−15,−7)?(−15,−7)? W...

A: Click to see the answer

Q: Here is the problem.

A: Let us denote α by A, β by B and γ by C, where A,B,C are constants. Given linear equations are, A1x+...

Q: Find and simplify each of the following for f(x) = 4x -8x +5.

A: Click to see the answer

Q: 3x 2 - 8xy - 2y 2 ; x = -5, y = -6 A.43 B.129 C.-182 D.237

A: GIVEN 3x2- 8xy - 2y2

Q: What is an equation of the line that passes through the points (0,2)(0,2)and (5,8)(5,8)?

A: Given: The points 0,2 and 5,8, To find: The equation of line which is passing through the given poin...

Q: Mark averaged 60 miles per hour during the 30-mile trip to college. Because of heavy traffic he was ...

A: Given, Mark averaged 60 miles per hour during the 30-mile trip to college. Because of heavy traffic,...

Q: Barb can clean the whole house in 8 hours. Working together with Rob, they can do the work in 5 hour...

A: Given, Barb can clean the whole house in 8 hours. Working together with Rob, they can do the...

Q: what is the value of x in the figure shown below?

A: Let the missing angle in the triangle be y. We know that sum of all the angles in a triangle is 180o...

Q: You deposit $5000 in an account earning 4% interest compounded continuously. How much will you have ...

A: Click to see the answer

Q: What the answers

A: Click to see the answer

Q: I'm unsure how to setup this equation and solve this word problem.

A: Click to see the answer

Q: Linear

A: Click to see the answer

Q: Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to th...

A: Given data are -8.1,-2.4,4.5,4.5,6.2,8.9,9.9 To find Mean, median and mode. Solution: Mean is the av...

Q: Solve the Quadratic equation by factorization x2 - 5x - 24 = 0

A: Click to see the answer

Q: (1 1 Given the matrices, A= 3 5 2 1 find – 4 3 and B = 2.4- 3B and BA

A: Click to see the answer

Q: A bank loaned out $29,000, part of it at the rate of 8% annual interest, and the rest at 9% annual i...

A: we know that the total amount loaned was $29000 let the one part loaned be x and the other part of ...

Q: One number is greater than thrice the other number by 2 . If 4 times the smaller number exceeds the ...

A: Let larger number be = xLet the smaller number be = yAccording to question - One number is greater ...

Q: Using the Fundamental Theorem of Algebra, complete the following exercise. Show your work. Withou...

A: Given, fx=x+83x+62x+2x-13x-34x-6

Q: Find the equation of the axis of symmetry of the following parabola algebraically. 3x2 + 6x - 12 y =...

A: The equation of the parabola y=3x2+6x-12. We have to find the equation of the axis of symmetry for t...

Q: Mariana solved a linear equation and found that it had an infinite number of solutions. Which could ...

A: Click to see the answer

Q: For equipment upgrades, a business borrowed $500,000 at 10% compounded semiannually for 7 years. Wha...

A: Click to see the answer

Q: Given that f(x) = x2 3x and g(x) = x - 9, calculate - (a) fo g( – 4)= x (b) go f(– 4)= (c) f o f( – ...

A: Click to see the answer

Q: g(x)is called an inverse function of f(x)

A: Click to see the answer

Q: The original bill for a dinner was $49.55. You left $10.90 extra for the tip. What percentage of t...

A: Click to see the answer