A black bean soup recipe calls for 2 cups of black beans for every 1.5 cups of water. If you plan on doubling the recipe what is
the ratio of cups of black beans to cups of water?
A) 2 to 1.5
B) 2 to 3
C) 4 to 1.4
D) 4 to 3.5
A) 2 to 1.5
B) 2 to 3
C) 4 to 1.4
D) 4 to 3.5
2 answers:
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<span>You have the following inequality given in the problem shown above:
(x^2-1)/(x^2+5x+4)</span>≤<span>0
1. To solve it, you must factor it and then you must make the study of the signs.
2. Once you do the proccedure mentioned above, you obtain the following solutions:
-4<x<-1
-1<x</span>≤<span>1
3. You can graph the inaquality given in the problem, as you can see in the figure attached.</span>
(x^2-1)/(x^2+5x+4)</span>≤<span>0
1. To solve it, you must factor it and then you must make the study of the signs.
2. Once you do the proccedure mentioned above, you obtain the following solutions:
-4<x<-1
-1<x</span>≤<span>1
3. You can graph the inaquality given in the problem, as you can see in the figure attached.</span>