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Mathematics, 13.07.2019 11:40 jasmineharris121
(01.02 mc)maya is showing her work in simplifying (5.2 − 4.5) − 5.5 + 4.8. identify any error in her work or reasoning. step 1: (5.2 − 4.5) − 5.5 + 4.8 step 2: 5.2 + (− 4.5 − 5.5) + 4.8 (identity property) step 3: 5.2 − 10 + 4.8 step 4: 5.2 + 4.8 − 10 (commutative property) step 5: 10 − 10 = 0 she wrote identity instead of commutative in step 2. she wrote commutative instead of distributive in step 4. she wrote identity instead of associative in step 2. she wrote commutative instead of associative in step 4.
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Mathematics, 22.06.2019 01:10, abadir2008
Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
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Mathematics, 22.06.2019 01:30, nickeymcorrea
The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.
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(01.02 mc)maya is showing her work in simplifying (5.2 − 4.5) − 5.5 + 4.8. identify any error in her...
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