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2 years ago

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the perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the short side. Which equation can be used to

find the side lengths if the longest side measures 6.2 cm?

1 answer:

Lynna [10]2 years ago

7 0

Keenly snakelike smells an kelsmeml salesmen smell. Skkensens.

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An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 5 ft long with a diameter of 1.8 ft .

dangina [55]

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad 
\begin{cases}
r=radius=\frac{diameter}{2}\\
h=height\\
----------\\
diameter=1.8\\
r=\frac{1.8}{2}=0.9\\
h=5
\end{cases}\implies V=\pi \cdot 0.9^2\cdot 5\\\\
-------------------------------\\\\
\textit{is draining at }\boxed{2.1}\ \frac{ft^3}{min}\textit{ , it has a total of }\boxed{\pi \cdot 0.9^2\cdot 5} \ ft^3
\\\\\\
\textit{it'll take }\cfrac{\pi \cdot 0.9^2\cdot 5}{2.1}\ minutes$

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2 years ago

I need help answering this question. Any ideas on what it could be?

Lesechka [4]

Is this for a test/exam?

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2 years ago

A building 84 ft high casts a 231-ft shadow. Sarah casts an 11-ft shadow. The triangle formed by the building and its shadow is

julia-pushkina [17]

Answer:

Sarah is 4 ft tall.

Step-by-step explanation:

231÷84= 2.75

11 ft ÷ 2.75 = <u>4 ft</u>

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3 years ago

Which expression shows exponential growth? Check all that apply.

Zanzabum

Answer:

1.3.6

Step-by-step explanation:

i took the test its right

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2 years ago

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A model of a statue has a scale to the actual statue of 1 inch : 8 inches. What percent of the actual statue's height is the mod

ArbitrLikvidat [17]

Answer:

6.25%

Step-by-step explanation:

Percent = $(\frac{height in model}{actual height})*100$

$= \frac{1}{8}*100\\\\\\= \frac{25}{4}\\\\\\= 6.25$

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3 years ago