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kodGreya [7K]
2 years ago
13

The variables x and y vary directly. When x is 3, y is 6. Find x when y = 2/3

Mathematics
1 answer:
nasty-shy [4]2 years ago
7 0
X=3
y=6

y=2x
2/3=2x
(2/3)/2=x
(2/3)×(1/2)=x
2/6=x
x=1/3
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Based on the data, here are the results:

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This implies, in total Isabella got the same number between five and seven times. For example, the number 2 was obtained 5 times, but the number 3 was obtained 7 times.

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1 year ago
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Ymorist [56]
The first one is B
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2 years ago
Don’t need an explanation just the answer. Community takes too long lol
Nimfa-mama [501]

SOLUTION

Step 1: Find the area of the wall.

\begin{gathered} A=l\times b \\ A=42\times25.5 \\ A=1071ft^2 \end{gathered}

Step 2: Find the cost of wallpaper per square foot

=\frac{total\text{ cost of wallpaper}}{Area\text{ of the wall}}\begin{gathered} =\frac{771.12}{1071} \\ =0.72\text{ dollars} \end{gathered}

The correct answer is B: $0.72

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Step-by-step explanation:

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