Paul, a janitor must move a large shipment of books from the first floor to the fifth floor. The sign on the elevator reads "max
1 answer:
Answer:
Pauld should place a maximum of 12 boxes in the elevator
Step-by-step explanation:
As in the sign is stated that the maximum weight that the elevator can carry is of 1000 pounds and each of the boxes of books weighs 80 pounds, and as he is not going to be inside the elevator you should divide the maximum weigh the elevator can carry by the weight of each box of books then you have
He can maximum ride 12 boxes and a half, but if the boxes can't be divides he can just carry 12 boxes, because if he carries 13 the weight in the elevator will be of 1040, that beats the maximum capacity of the elevator.
Then he can maximum place 12 boxes in the elevator
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Answer:
Option C
Step-by-step explanation:
Given that u-ai + bj and v-ci + dj are vectors
We have dot product
hence inner product of u and v. So option a is true
The dot product of u and v is a scalar is true because dot product is always a scalar
The dot product of u and v is a vector. is false because dot product is only a scalar and has no direction and hence cannot be a vector
The dot product of u and v is given by the expression ac+bd
True because we multiply corresponding i components and j components and add.
So only C is not true.