Mathematics, 23.03.2020 23:31 brae72
A contractor requires a cement mix that is 70% sand and 30% cement. He has 1400 kg of a cement mix that is 80% sand and 20% cement. How much cement should he add to this 1400 kg cement mix so that he gets the required mix?
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Mathematics, 21.06.2019 14:00
Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your
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Mathematics, 21.06.2019 16:30
Quadrilateral ghjk has vertices g(2, 3), h(8, 2), j(6, 8), and k(3, 6). it is transformed according to the rule t(–4, –5). what are the coordinates of g”? (–7, 3) (–2, 2) (–1, –7) (2, –2)
Answers: 2
Mathematics, 22.06.2019 00:20
Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte
Answers: 2
A contractor requires a cement mix that is 70% sand and 30% cement. He has 1400 kg of a cement mix t...
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