chloe1107
21.01.2020 •
Mathematics
Determine the volume of the parallelopiped determined by the vectors a=< −6,3,2> and b=< −2,10,−5> and c=< 1,10,−3> .
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Ответ:
The volume of the parallelopiped is 213 cubic units.
Step-by-step explanation:
The given vectors are A=<−6,3,2> and B=<−2,10,−5> and C=<1,10,−3>.
If three vectors are given then volume of the parallelopiped is
Using the above formula we get
Expand along row 1.
Volume of the parallelopiped is
Therefore, the volume of the parallelopiped is 213 cubic units.
Ответ:
To rent a certain meeting room, a college charges a reservation fee of $35 and an additional fee of $9.90 per hour.
Let t be the number of hours rented
charge for renting a meeting room is 9.90t +35
The chemistry club wants to spend at most $94.40 on renting the meeting room.
so charge is less than or equal to 94.40
The inequality becomes 9.90t + 35 <=94.40
Solve the inequality for t
9.90t + 35 <=94.40
Subtract both sides by 35
9.90t < = 59.4
Divide both sides by 9.90
t < = 6
So, they could rent the meeting room for maximum of 6 hours.