9514 1404 393
Answer:
321.25 kg
Step-by-step explanation:
The given relations are ...
b = 2s
4b +4s = 771
Substituting for b, we have ...
4(2s) +4s = 771
12s = 771
s = 64.25
b = 2s = 128.50
Then the weight of interest is ...
b +3s = 128.50 +3(64.25) = 321.25 . . . . kg
Answer: The volume of the apartment is 2,160 ft3.
An hourly rating of 2.5 BTUs per cubic foot is required, so multiply the total volume by 2.5.
Arthur needs an air conditioner that will provide 5,400 BTUs to properly cool his apartment
Step-by-step explanation:
This would be a scalene triangle, because all of the sides are different lengths.
The correct answer is C.
Answer: 3t+4q.
Step-by-step explanation: Triangles have 3 sides, so there will be 3 sides for each triangle in the envelope. This is represented by 3t. Quadrilaterals have 4 sides, so there will be 4 sides for each quadrilateral in the envelope. This is represented by 4q. The total number of sides will be the number of triangle sides and the number of quadrilateral sides together.
Answer:
Step-by-step explanation:
