Mathematics, 16.07.2019 21:00 aliviafrancois2000
There are 30 students in a year 10 maths class. in the latest test the 21 girls in the class score a mean of 61%. in the same test the 9 boys in the class scored a mean of 78%. calculate the mean for the whole group of students.
Answers: 1
Mathematics, 21.06.2019 17:00
Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.
Answers: 1
Mathematics, 21.06.2019 20:30
The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
Answers: 1
There are 30 students in a year 10 maths class. in the latest test the 21 girls in the class score a...
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