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URGENT DUE BY 2:30 WILL RATE GOOD:) The diameter of the larger circle is 20.4 cm. The diameter of the smaller circle is 10.8 cm. What is the best approximation for the area of the shaded region? Use 3.
asked
Jan 15, 2018
Mathematics
middle-school
2
answers
1
vote
147k
views
Since the ratios for sides of triangles are the same, when the angles are the same, ? have been developed which show these ratios for every angle encountered in a triangle. select one: a. cos tables b.
asked
Jan 13, 2018
Mathematics
college
2
answers
3
votes
151k
views
A 25-mL solution of H2SO4 is completely neutralized by 18 mL of 1.0M NaOH. What is the concentration of the H2SO4? H2SO4(aq) +2NaOH(aq) → Na2SO4(aq) + 2H2O(l) A.0.72M B.0.009M C.0.50M D.0.36M
asked
Sep 11, 2017
Chemistry
high-school
1
answer
1
vote
150k
views
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