Questions by Florian Courtial

Questions by Florian Courtial

A) Find the average rate of change of the area of a circle with respect to its radius r as r changes from 4 to each of the following. (i) 4 to 5 _______ (ii) 4 to 4.5 _______ (iii) 4 to 4.1 _______ (b)

asked Oct 22, 2017

1 answer

3 votes

133k views

What is the total number of electrons found in an atom of sulfur? (1) 6 (2) 8 (3) 16 (4) 32

asked Dec 17, 2016

1 answer

5 votes

39.8k views

The ratio of the number of beads Karen had to the number of beads Patricia had was 2:5 .After Patricia bought another 75 beads,the ratio became 4:15.How many beads did each girl have at first?

asked Aug 20, 2016

1 answer

4 votes

32.0k views

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