Non of the lines are the same, the equations are dependent linear equations.
Answer:
1. 175 cubic ft
2. 42 cubic m
3.140 cubic m
4.216 cubic in
Step-by-step explanation:
The easiest way too solve this si to split the shapes up into two smaller shapes. For the first one split it into two rectangles, the long rectangle and the smaller rectangle down the bottom right. First we will do the smaller rectangle, multiply 7 by 2 and then multiply that by 5-3 (the bottom length minus the top length) and you get 28. 7(7x3) + 28. This equals 175. Because it is volume the answer is cubic. Repeat theses steps for the other 3 questions and that is how you solve it.
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The ribbon would be 66 inches. This is because there is 12 inches in every foot.
Answer:
It means that above 0 degrees Celsius the water does not freeze, whereas 0 degrees are freezing teperatures of water.
Step-by-step explanation:
Water freezes at 0 degrees Celsius, but the freezing temperature can be lowered by adding salt to the water. A student discovered that adding half a cup of salt to a gallon of water lowers its freezing temperature by 7 degrees Celsius. What is the freezing temperature of the gallon of salt water?
0° - 7° = -7°
