Mathematics, 17.07.2020 01:01 ambrosiastevens99
Select the correct answer.
Which triangles in the diagram are congruent?
70°
triangle 1
triangle 2
70°
70
triangle 3
triangle 4
OA. triangle 1 and triangle 2
OB. triangle 1, triangle 2. and triangle 3
OC. triangle 1 and triangle 3
OD. triangle 1. triangle 3, and triangle 4
Answers: 3
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If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?
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Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .
Answers: 1
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Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Mathematics, 21.06.2019 20:20
Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form
Answers: 1
Select the correct answer.
Which triangles in the diagram are congruent?
70°
triangle 1...
70°
triangle 1...
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