Mathematics, 18.10.2019 07:00, mariahbrooks

# At technology cyber charter school, each of the ninth grade homerooms has the same number of students and one teacher. on the last day of school, each student created a card for each of the other students in their class.

the expression 14s(s-1) can be used to find the total number of cards created by the ninth grade students. based on the given information, which of the following statements must be true? select all that apply.

Answers: 2

Mathematics, 21.06.2019 20:00, mercedespennewp72wea

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Answers: 2

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

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