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3241004551 [841]
3 years ago
7

Y = 3x 5x + 2y = 44

Mathematics
1 answer:
faltersainse [42]3 years ago
7 0

Answer:

x=4

Step-by-step explanation:

since Y is 3x, then substitute the y with 3x which is 2*3x=5x and then plus the 5x which is 11x in total which equals to 44 (11x=44) then divide that you get: x=11.

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Which graph is the line y=-2/5x+3?
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put y=0 , so x = 7.5 ----> the 2nd point (7.5,0) 
so it's the first graph on the left 
8 0
2 years ago
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wat

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Convert 27/20 to a decimal
Tatiana [17]
27/20

= 20/20 + 7/20

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------

List of values to remember (extras):

0.05 = 1/20 = 5%
0.10 = 1/10 = 10%
0.15 = 3/20 = 15%
0.20 = 1/5 = 20%
0.25 = 1/4 = 25%
0.30 = 3/10 = 30%
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0.40 = 2/5 = 40%
0.45 = 9/20 = 45%
0.50 = 1/2 = 50%
0.55 = 11/20 = 55%
0.60 = 3/5 = 60%
0.65 = 13/20 = 65%
0.70 = 7/10 = 70%
0.75 = 3/4 = 75%
0.80 = 4/5 = 80%
0.85 = 17/20 = 85%
0.90 = 9/10 = 90%
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8 0
3 years ago
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Suppose n(X) = 28 and n(Y) = 19.
Flauer [41]
n(X\cup Y)=n(X)+n(Y)-n(X\cap Y)

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On the other hand, if the smaller set is entirely contained within the larger set, i.e. Y\subseteq X, then X\cap Y=Y, and so n(X\cup Y)=n(X)+n(Y)-n(Y)=n(X)=28.
8 0
3 years ago
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