Mathematics, 17.05.2021 20:00 Har13526574
the whispering Gallery at the Museum of Science and Industry in Chicago is elliptical in shape with two parabolic dishes at the focal points the quietest of sounds carry from one focal point to the other if the dimensions of the room are 47 ft 4 in by 13 ft 6 in locate the focal points.β
Answers: 2
Mathematics, 21.06.2019 22:00
Which sum or difference identity would you use to verify that cos (180Β° - q) = -cos q? a.) sin (a -b) = sin a cos b β cos a sin b b.) cos (a -b) = cos a cos b β sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b
Answers: 1
Mathematics, 21.06.2019 22:30
Your best friend told you that last week scientists disco y that las vegas is responsible for abrupt climate changes. which do you think is best way to research that recent discovery? an encyclopedia usgs internet site a book in the library your best friendβs parents for your ! β€οΈ
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Mathematics, 21.06.2019 23:00
Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?
Answers: 2
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