3 years ago

What is the area of the rectangle?

Mathematics

2 answers:

zlopas [31]3 years ago

8 0

Answer:

The formula to find the area of a rectangle is l * w

kramer3 years ago

6 0

Answer:

A=wl

Step-by-step explanation:

The equation for the area of a rectangle is length multiplied by width. I do not think your question is complete. I hope I've helped, please comment below if you have anything to add or any questions.

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80 items were sold, bringing in $6,900 in receipts. Some items were sold at a discount for $75 each and some others were sold at

Leni [432]

Answer:

50 items were sold for $75

35 items were sold for $90

Step-by-step explanation:

75 x 50 = 3750

90 x 35 = 3150

3750 +3150 = 6,900

4 0

3 years ago

Find the constant of variation k for the inverse variation. Then write an equation for the inverse variation. Y=4.5 when x = 3

Nookie1986 [14]

$\bf \qquad \qquad \textit{inverse proportional variation}\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=4.5\\
x=3
\end{cases}\implies 4.5=\cfrac{k}{3}\implies 4.5(3)=k
\\\\\\
13.5=k\qquad therefore\qquad \boxed{y=\cfrac{13.5}{x}}$