Mathematics: Write the product as a trinomial. (2r – 5)(r + 10) 2r² – 25r – 50 2r² – 50 3r² + 5r + 50 2r² + 15r – 50

Write the product as a trinomial. (2r – 5)(r + 10)

Ответ:

leoniandreww

06.01.2022

Mathematics

1. 2r-5
2. -21r-50
3. 4r-50
4. 14r+50
5. 19r-50

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Ответ:

smartowl101

02.01.2022

Mathematics

7^2 = 6^2 + 9^2 - 2(6)(9)cos(m)
-68 = 2(6)(9)cos(m)
cos(m) = -0.6296
m = arcos ( -0.6296)
m = 129.0 degrees

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Write the product as a trinomial.

(2r – 5)(r + 10)

2r² – 25r – 50

2r² – 50

3r² + 5r + 50

2r² + 15r – 50

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