Please help with all 4 questions give right answer

2 answers:

8 0

1) Area of the Rectangle = Length * Width
A = 25 * 13
A = 325 in²

2) Area of the Rectangle = bh
A = 823 * 534
A = 439482 Feet²

3) Area of rug = l * w
A = 23 * 234
A = 5382 Yd²

4) Area = 2.7 * 3.9
A = 10.53 Ft²

Hope this helps!

Amiraneli [1.4K]3 years ago

4 0

1)325in^2
2) 439484ft^2
3)5382yd^2
4)10.53ft^2

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<u>Solution:</u>

Given that , In a certain function, y varies directly with x

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Now, from the given information,

$\begin{array}{l}{y \alpha x} \\\\ {y=c x \rightarrow(1)}\end{array}$

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$\begin{array}{l}{\text { Now, substitute } x=8 \text { and } y=6 \text { in }(1)} \\\\ {\rightarrow 8=c(6) \rightarrow c=\frac{8}{6}} \\\\ {\rightarrow c=\frac{4}{3}} \\\\ {\text { Then, }(1) \rightarrow x=\frac{4}{3} y} \\\\ {\text { So, when } y=9} \\\\ {\rightarrow x=\frac{4}{3}(9)} \\\\ {\rightarrow x=4 \times 3} \\\\ {\rightarrow x=12}\end{array}$

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