Mathematics, 29.12.2021 15:40 julie8669
19. The present age of brother and sister are in the ration 4:5 Before three years the ration of their age was 3:4. find their present age-
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The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?
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Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7ยท2^10 c. 7ยท2^9
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How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?
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19. The present age of brother and sister are in the ration 4:5 Before three years the ration of the...
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