Questions in mathematics

Questions in mathematics

[Free] Can someone help me solve the system of equations? 1. \(2x + y = 4\) 2. \(y = \frac{2}{3}x - 4\)

[Free] If [tex]$y = 8$[/tex] when [tex]$x = 3$[/tex], find [tex]$y$[/tex] when [tex]$x = 45$[/tex].

[Free] Please help me solve this question.

[Free] Students at Central School were surveyed regarding lunch choices. Of the students that responded, exactly \(\frac{1}{3}\) wanted more fresh fruits and vegetables as choices. Of those students not wanting more fresh fruits and vegetables, exactly \(\frac{1}{8}\) wanted more seafood. What is the minimum number of students that responded to the survey?

[Free] What does "concave" mean?

[Free] A 189-square-foot rectangular office has a length of 21 feet. What is the width of the office?

[Free] Students at Central School were surveyed regarding lunch choices. Of the students that responded, exactly \(\frac{1}{3}\) wanted more fresh fruits and vegetables. Of those students not wanting more fresh fruits and vegetables, exactly \(\frac{1}{8}\) wanted more seafood. What is the minimum number of students that responded to the survey?

[Free] \( y \) varies inversely as \( x \). If \( y = 5 \) when \( x = 3 \), what is the relationship between \( y \) and \( x \)?

[Free] Two welders working together can complete a job in 6 hours. One of the welders, working alone, can complete the task in 15 hours. How long would it take the second welder, working alone, to complete the task?

[Free] A manufacturer of prefabricated homes has employees work in teams. Team 1 can erect the Silvercrest model in 15 hours. Team 2 can erect the same model in 10 hours. How long would it take for Team 1 and Team 2, working together, to erect the Silvercrest model home?