Let x be the amount of cement and y be the amount of sand. If <span>the ratio of cement to sand for mortar is 1:3, then
and y=3x.
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So, if <span>Sandy puts in x=7 shovels of cement, then she puts
shovels of sand.
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Answer: 21 shovels of sand.
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Answer:
b is the answer
Step-by-step explanation:
if you look at the graph chart you will notice that b lines up with negative 4 and positive 2
Answer:
1/27
Step-by-step explanation:
1/3 / 1/9 = 1/27
5920 that is the result of 5.92 by 10 to the third power
The one that does not show a direct variation is that answer B because I notice that letters A, C, and B have slopes and that the function is equal to kx, making it a direct variation. But on the answer B, the function y = 6/x is a indirect variation, making it equal to xy = 6.