Mathematics, 24.01.2020 23:31 DragonLovely
State whether each expression is meaningful. if not, explain why. if so, state whether it is a vector or a scalar. a. a. (bxc)i. the expression is meaningful. it is a vector. ii. the expression is meaningful. it is a scalar. iii. the expression is meaningless. the cross product is defined only for two vectors. iv. the expression is meaningless. the dot product is defined only for two vectors. b. a x (b. c)i. the expression is meaningful. it is a vector. ii. the expression is meaningful. it is a scalar. iii. the expression is meaningless. the cross product is defined only for two vectors. iv. the expression is meaningless. the dot product is defined only for two vectors. c. a x (bxc)i. the expression is meaningful. it is a vector. ii. the expression is meaningful. it is a scalar. iii. the expression is meaningless. the cross product is defined only for two vectors. iv. the expression is meaningless. the dot product is defined only for two vectors. d. (a. b). ci. the expression is meaningful. it is a vector. ii. the expression is meaningful. it is a scalar. iii. the expression is meaningless. the cross product is defined only for two vectors. iv. the expression is meaningless. the dot product is defined only for two vectors. e. (a. b)x(c. d)i. the expression is meaningful. it is a vector. ii. the expression is meaningful. it is a scalar. iv. the expression is meaningless. the cross product is defined only for two vectors. v. the expression is meaningless. the dot product is defined only for two vectors. f. (axb). (cxd)i. the expression is meaningful. it is a vector. ii. the expression is meaningful. it is a scalar. iii. the expression is meaningless. the cross product is defined only for two vectors. iv. the expression is meaningless. the dot product is defined only for two vectors.
Answers: 1
Mathematics, 21.06.2019 15:50
Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?
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Mathematics, 21.06.2019 16:30
A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.
Answers: 1
Mathematics, 22.06.2019 02:30
Solve the compound inequality. graph your solution. 2x โ 2 < โ12 or 2x + 3 > 7 x < โ5 or x > 5 x < โ5 or x > 2 x < โ12 or x > 2 x < โ7 or x > 5
Answers: 2
Mathematics, 22.06.2019 04:20
Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?
Answers: 1
State whether each expression is meaningful. if not, explain why. if so, state whether it is a vecto...
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