Mathematics, 30.01.2021 14:00 fruitasticgabs9803
The picture shows a circle divided into 8 equal wedges which are rearranged.
The radius of the circle is r and its circumference is
2 pi r. How does the picture help to
explain why the area of the circle is pi r squared?
Answers: 1
Mathematics, 21.06.2019 16:30
Which elements in the set below are integers? 12, β3β4,β 25 , β7, β 5 , 14β7, 9 a. 12, β 25 , β7, 9 b. 12, β 25 , β7, 14β7, 9 c. β3β4, 25 , β 5 ,14β7 d. 12, β7, 9
Answers: 2
Mathematics, 21.06.2019 17:00
Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.
Answers: 1
Mathematics, 21.06.2019 19:20
Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?
Answers: 1
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
The picture shows a circle divided into 8 equal wedges which are rearranged.
The radius of the circ...
Spanish, 16.09.2021 02:20
Arts, 16.09.2021 02:20
Mathematics, 16.09.2021 02:20
Computers and Technology, 16.09.2021 02:30
Health, 16.09.2021 02:30
Mathematics, 16.09.2021 02:30
Biology, 16.09.2021 02:30
History, 16.09.2021 02:30
Physics, 16.09.2021 02:30
Mathematics, 16.09.2021 02:30
Mathematics, 16.09.2021 02:30
Mathematics, 16.09.2021 02:30
Mathematics, 16.09.2021 02:30