Volunteers at Sam's school use some of
the student council's savings for a special
project. T...
![subject](/tpl/images/cats/mat.png)
Mathematics, 16.10.2020 16:01 a1supernut37owozkj
Volunteers at Sam's school use some of
the student council's savings for a special
project. They buy 7 backpacks for $8 each
and fill each backpack with paper and pens
that cost $5. By how much did the student
council's savings change because of this
project?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
Can someone me with this problem i don't understand i need
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:20
Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 23.07.2019 12:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2019 12:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.07.2019 12:10
![question](/tpl/images/cats/en.png)
English, 23.07.2019 12:10