Mathematics, 17.12.2020 02:40, tutyfruity29
A triangle has side lengths of (2.2w - 2.3) centimeters, (3.9w + 5.9) centimeters, and (5.9x - 1.2) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?
Answers: 3
Mathematics, 21.06.2019 16:30, leenzazou98241
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 22:10, ansonferns983
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.
Answers: 1
A triangle has side lengths of (2.2w - 2.3) centimeters, (3.9w + 5.9) centimeters, and (5.9x - 1.2)...
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