Answers: 2
![\bf 3|x|+7=28\implies 3|x|=21\implies |x|=\cfrac{21}{3}\implies |x|=7\implies \begin{cases} +(x)=7\\ -(x)=7 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ +(x)=7\implies \boxed{x=7}~\hfill -x=7\implies \boxed{x=-7}](/tpl/images/0080/5890/f748d.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 13:40, kathrynway9438
Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?
Answers: 2
Mathematics, 21.06.2019 17:00, heysonic91
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
Answers: 1
Mathematics, 21.06.2019 18:00, josephvcarter
Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?
Answers: 3
Mathematics, 21.06.2019 19:40, nancy00
Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.
Answers: 1
Do you know the correct answer?
Can someone tell me if this is right...
Questions in other subjects:
Mathematics, 02.10.2019 06:10
Mathematics, 02.10.2019 06:10
History, 02.10.2019 06:10
History, 02.10.2019 06:10
Social Studies, 02.10.2019 06:10
Chemistry, 02.10.2019 06:10
