Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.3x + 6y = 109x + 18y = 30

A. (0, 4)
B. (6, 1)
C. Dependent, 
D. Inconsistent, ?


Answer: C

Mathematics

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Find v ? u.v = 3i - 6j and u = -5i + 8j

A. (3 - 5)i + 2j
B. -48i - 15j
C. -48 + 15
D. -48 - 15

Mathematics

Find an equation of variation in which the following are true.x varies inversely as y2, and x = 15 when y = 14.

A. x = 2940y2
B. x = 
C. x = 
D. x = 

Mathematics

Write the word phrase as an algebraic expression. Use x to represent the unknown number in the phrase.16 times the difference of 6 and a number

A. 16x - 6 B. 6 - 16x C. 16(6 - x) D. 6(16 - x)

Mathematics

At a time t seconds after an object is tossed vertically upward, it reaches a height s in feet given by the equation: ? ? What is the maximum height reached by the object? ? Please enter your answer as a number without the units.

Fill in the blank(s) with the appropriate word(s).

Mathematics