Answer:
2y = 3x + 21
y = 1.5x + 10.5
plug in, in the second equation
- 4x + (1.5x + 10.5) = 23
-4x + 1.5x + 10.5 = 23
-2.5x + 10.5 = 23
-2.5x = 12.5
x = 12.5/-2.5 = -5
y = 1.5 (-5) + 10.5 = 3
x = -5
y = 3
Answer:
the surface are of a rectangle box of 5cm long, 3cm wide and 4cm wide is 94cm²
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➷ volume = l x w x h
Substitute in your values:
volume = 1 x 1 x 2
Solve:
volume = 2 ft^3
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I think it is 64 just multiply 4 times 4 times 4 because of the sides and to find volume you need to multiply the sides and the height so it should be 64.
Answer:
125 degrees and 55 degrees
Step-by-step explanation:
