Mathematics, 05.07.2021 16:40 joynerjaila
Cho hình thang ABCD, đáy AB=5 cm , đáy CD=3 cm; M trên AD sao cho AD gấp 4 lần MA, N trên BC sao cho BC gấp 4 lần NB; chia hình ABCD thành 2 hình thang ABNM và CDMN. Diện tích ABCD=16 cm2 a. Tìm chiều cao hình thang ABCD b. Tìm MN
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Mathematics, 21.06.2019 17:30
Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?
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Mathematics, 21.06.2019 19:30
Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36
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Mathematics, 21.06.2019 21:30
Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?
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Mathematics, 21.06.2019 21:30
Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.
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Cho hình thang ABCD, đáy AB=5 cm , đáy CD=3 cm; M trên AD sao cho AD gấp 4 lần MA, N trên BC sao cho...
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