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Elden [556K]
3 years ago
9

Someone please help me in this homework

Mathematics
2 answers:
VladimirAG [237]3 years ago
7 0
I hope this helps you

Oksi-84 [34.3K]3 years ago
3 0
For question a) the answers are
-False
-True
-False
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Prove that the expression A + B - C is equivalent to the expression C - B - A if A = 2x - 1, B = 3x + 1 and C = 5x.
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3 0
2 years ago
It would be nice if I get some help with these 2 things
Stella [2.4K]
Thing 1
A. You can set up a proportion by dividing how much of something there is by the original. (This probably doesn't make much sense but I hope you can understand it from the answer to the problem below!)
B.First, do 168/21 to see how many more times he put flour in. 
168/21= 8
Then to find out the milk in the same proportion do the number (in this case 8) times the original of the thing you wan to find out. 
8x9=72
72 tablespoons of milk are needed for 168 cups of flour in this adapted recipe.

Thing 2
24/36=8y
To solve any equation, you want to have letters on one side and numbers on the other, so...
-8 from both sides...
(24/36)-8=y
24/36=0.6 
y=(0.6-8)
y=-7.4

Hope this helps :)
5 0
3 years ago
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