math
two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular
Global
The tombstone proclaims that all france lies beneath the guillotine. What revolutionary event does it depict?
Global History
what about this one how has the idea of freedom of thoughts and expression by the philosopher voltaire altered the way governments manage societies
Global History
okay thanks you
Global History
well i have to write a paragraph explain how the scientific method impacted our understanding of the world and the way we study it?
Global History
How has the scientific method impact our understanding of the world and the way we study it?
chemistry
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have been added. Ka of butanoic acid = 1.54 x 10-5.
chemistry
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have been added. Ka of butanoic acid = 1.54 x 10-5.
physics
Standing on top of the science building, which is 48 m high, a group of students use a slingshot to shoot a steel ball bearing straight up into the air. The ball bearing passes the students on its way down to the ground 3.2 sec after it was shot. (once the ball bearing leaves ...
Physics
i still don't understand parts b and c.
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