Solving system of two linear equations

Which method would you choose to solve the following system of equations? Solve it.y=2x+1 (1)3x+y=7 ​ (2)

03/28/25

Finding the Linear Equation for Time and Velocity Relationship

Which of the following equations represents the linear relationship between time, t, and velocity, v, shown in the table below? t 0 1 2 v 120 152 184

10/27/22

Find the initial speed, in m/s, of the bullet

A ballistic pendulum is a simple, but practical, device that can be used to measure the speed of a bullet. The pendulum consists of a block of wood with mass 4.30 kg, at the end of a thin wire so... more

08/04/22

Series convergence

Determine all integers b for which the series [(-1)nnb]/[(n-1)!] converges.For this question would we use the ratio test?

04/29/22

Determine the phase and specific volume of r22 at 5°c and 500 kpa.

I know is a super heated vapor but I don't understand how to find the specific volume. I think I have interpolate but the values for that are not shown in my tables or I at least I think are not... more

HELP PLEASE!! DUE IN 3 DAYS!

Price of watermelon: $51.00 per m^2Price of grapes: $65.34 per m^2Area of farm: 480m^2Okay, so now all in all we have built our farm and found what to price each of our crops at. Now let’s find... more

Chapters 20-21 Summative Assessment Part 2

1. A textbook company is conducting research to evaluate the effectiveness of their new curriculum for AP Statistics. They select a random sample of 1008 students who used a traditional curriculum... more

02/19/19

How to determine 2 unknown value in a 3 x 3 matrix

How to solve the following question2 2 0 X 0P 2 0 Y = 0Q -1 -1 Z 0

05/11/18

How do you solve this equation to find x (in terms of formula)

Hi, I'm trying to solve below equation and creating a formula for 'x'.A = atan (sin (x) / ( -tan(f) * sin (e) + cos (e) * cos(x) ));where A is a constant e.g. A=5and f and e are also some variables... more

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