Mathematics, 10.06.2020 18:57 erika6072
Lucy has been asked to construct as many unique triangles as she can that have all sides of integer length, one side of length 7 cm, and a perimeter less than or equal to 20 cm. Find the number of unique triangles, isosceles triangles, and triangles with perimeter exactly equal to 20 cm that Lucy can construct.
A.
23 unique triangles, 8 isosceles triangles, and 2 triangles with perimeter equal to 20 cm
B.
21 unique triangles, 9 isosceles triangles, and 3 triangles with perimeter equal to 20 cm
C.
19 unique triangles, 7 isosceles triangles, and 4 triangles with perimeter equal to 20 cm
D.
22 unique triangles, 10 isosceles triangles, and 3 triangles with perimeter equal to 20 cm
Answers: 3
Mathematics, 21.06.2019 13:50
Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
Answers: 2
Mathematics, 21.06.2019 14:00
Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?
Answers: 3
Mathematics, 21.06.2019 16:40
Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)
Answers: 2
Lucy has been asked to construct as many unique triangles as she can that have all sides of integer...
Mathematics, 24.11.2020 14:00
History, 24.11.2020 14:00
Mathematics, 24.11.2020 14:00
Health, 24.11.2020 14:00
History, 24.11.2020 14:00
Mathematics, 24.11.2020 14:00
Mathematics, 24.11.2020 14:00
Mathematics, 24.11.2020 14:00
Social Studies, 24.11.2020 14:00
Mathematics, 24.11.2020 14:00