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Mathematics, 12.10.2020 23:01 shakira11harvey6
The mean mark of 30 students in class A is 55 and
25 students of class B is 44 find the mean score of
all the students
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Answers: 3
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Mathematics, 21.06.2019 21:30, ladydeathanddea
Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?
Answers: 3
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The mean mark of 30 students in class A is 55 and
25 students of class B is 44 find the mean score...
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