Answer:
120kg
Step-by-step explanation:
The ratio of gravel to cement is 6:1
Then add them up which is 7
The do 140 divided by 7 which is 20
Then do 6 times 20 which is 120
Then do 1 times 20 which is (obviously)20
Then add 20 and 120 which makes 140
Hope it helps!
2y(x3+9x-10x2-45) not much to be taken as a common factor
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3.18 is the answer i believe !
Answer:
D. 4,-1
Step-by-step explanation:
The mathmatical way to solev it is to find the linear equation and plug in the points, but i just looked at the graph to see which point was in the shaded region.