Mathematics, 03.01.2021 19:10 PencilLover101
Expression Name Expression E –8 + 4∕7 F 7 – 0.5 G 9 + (–3) H 3.8 – 6.7 The table above shows four numeric expressions. Which expression is an integer when it's evaluated? Question 3 options: A) F B) H C) G D) E
Answers: 2
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A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?
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Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml
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Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
Expression Name Expression E –8 + 4∕7 F 7 – 0.5 G 9 + (–3) H 3.8 – 6.7 The table above shows four nu...
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