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Questions in Grade Middle-school

[Answered] Find the integral of \(8x e^{8x}\).

[Answered] Twenty-four percent of the 25 swim team members are new. How many members are new?

[Answered] If you push a chair across the floor at a constant velocity, how does the force of friction compare with the force you exert?

[Answered] Miguel is making an obstacle course for field day. - At every \(\frac{1}{6}\) of the course, there is a tire. - At every \(\frac{1}{3}\) of the course, there is a cone. - At the end of every \(\frac{1}{2}\) of the course, there is a hurdle. At which locations of the course will people need to go through more than one obstacle?

[Answered] Andre received $60 for his birthday and put it in his piggy bank. Each week, he puts 3 more dollars in his bank. The amount of money in dollars, \( D \), in his bank is given by \( D = 3w + 60 \), where \( w \) is the number of weeks he has saved 3 dollars. His sister Lana makes a table of reasonable values for \( w \). Lana selects 42 as a value for \( w \). What is the corresponding table entry for \( D \)? (Teacher Hint: They are asking what \( D \) will be if \( w \) is 42.)

[Answered] What is the percent change from 30 to 90?

[Answered] What is 230% as a mixed number in simplest form?

[Answered] can someone please help me on this question

[Answered] What does "relationship" mean in math?

[Answered] Jasmine answered 19 out of 25 questions correctly on a quiz. What percent of her answers were correct?