Question: In Exercises 15, solve the system. (2x + 5y = -2 3x - 4y - 4y = 20

In Exercises 1–5, solve the system.(2x + 5y = -2 3x - 4y - 4y = 20

(2x + 5y = -2 3x - 4y - 4y = 20

Step by Step Solution

★★★★★

3.42 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

2x 5y 2 3x 4y 20 Multiply the first equation b... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related College Algebra Graphs And Models Questions!

Q:

In Exercises 1 5 and 1 6, simplify the given vector expression. Indicate which properties in Theorem 1. 1 you use. a. 2(a - 3b) + 3 (2b + a) b. - 3(a - c) + 2(a + 2b) + 3(c - b)

Q:

In Exercises 1-3, solve the given system by back substitution. 1. x - 2y = 1 y = 3 2. 2u - 3v = 5 2v = 6 3. x - y + z = 0 2y - z = 1 3z = - 1

Q:

In Exercises 1-3, solve the given system of equations using either Gaussian or Gauss-Jordan elimination. 1. X1 + 2X2 - 3X3 = 9 2X1 - X2 + X3 = 0 4x1 - X2 + x3 = 4 2. x - y + z = 0 -x + 3y + z = 5 3x...

Q:

In Exercises 15, solve the system. (2x - 5y = -2 |3x + 2y = 35 2+

Q:

{2x + 5y = -2 {3x - 4y = 20 Solve the following system: {(4, -1)} {(1, -3)} {(4, -2)} {(1, -5)}

Q:

1) If f(x) = 3x + 2 and g(x) = x - 4, (g/f)(1) is: Select one: a. Undefined b. -3/5 c. -5/3 d. 3/5 e.5/3 2) What is the equation of the line passing through (-1, 4) and parallel to y = 2x + 1? Select...

Q:

I need just correct answer without explanation please. Question 1 Not yet answered Marked out of 1.00 P Flag question The graph of y = 4sin (3x + 2) + 1 has amplitude of: Select one: a. 0 O b. O c. 2...

Q:

Solve each system by elimination 1 3x 4y 3 12x 2y 12 3 6x 18y 24 7x 9y 2 5 3x 3y 3 8x 10y 22 2 6x 6y 6 3x y 17 4 6x 5y 5 7x 7y 0 6 7x 9y 27 8x 5y 15

Q:

Use the graph to solve the given system of equations, then enter your solution below. -2x - 5y = 20 -3x - 5y = 15 20 10 -10 -5 10 -10

Q:

What are the possible rational roots of f(x) = 3x 4 - x 3 + x 2 - x + 5? Select one: a. {1, 5} b. {1/3, 5/3} c. {1, 1/3, 5, 5/3} d. {1, 1/5, 3, 3/5} e. {1, 1/3, 5, 5/3} Question 2 What is the vertex...

Q:

An experiment consists of the following: Spin a spinner to find a number p between 0 and 1, and then make a biased coin with probability p of showing heads, and toss the coin 4 times. Find the...

Q:

Mighty Company purchased a 60 percent interest in Lowly Company on January 1, 2017, for $537,600 in cash. Lowly's book value at that date was reported as $700,.000 and the fair value of the...

Q:

Your Name, Inc. Balance Sheet 1 2 / 3 1 / 2 0 2 3 Additional Information ( for all entries; please see the posted Excel spreadsheet ) : 1 . Sales for 2 0 2 4 are \ ( \ $ 4 0 0 , 0 0 0 \ ) . All sales...

Q:

=+ (a) Part (i) is local: there can be a different set A for each to. Part (ii) can be recast as a local theorem. Suppose that for w A, where A satisfies (16.9), f(w, t) has derivative f'(w, to) at...

Q:

Multiple Choice What is the only type of function that has a constant average rate of change? (a) Linear function (b) Quadratic function (c) Step function (d) Absolute value function

Q:

In Problems 722, solve each inequality. 2x

Q:

Multiple Choice If the graph of f(x) = ax 2 + bx + c, a 0, has a maximum value at its vertex, which condition must be true? b (a) 2a (c) a > 0 0 b 2a (d) a

Q:

Riverside Engineering is a machine shop that uses job order costing. Overhead is applied to individual jobs at a predetermined rate based on direct labor costs. The job cost sheet for job no. 321...

Q:

You have just been hired by FAB Corporation, the manufacturer of a revolutionary new garage door opening device. The president has asked that you review the companys costing system and do what you...

Q:

This information relates to Roses Rentals Pty Ltd for the year 2019 Retained Earnings, 1 January 2019 590,000 Advertising 3,000 Dividends Paid during 2019 14,000 Rent 20,200 Hire Revenge 140,000...