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2 years ago

Evaluate the expression shown below and write your answer as either a mixed number or fraction in simplest form, or a decimal.

Mathematics

2 answers:

MaRussiya [10]2 years ago

6 0

Answer:

What is the current requirement needed for a person to have inbox power in brainly?

Sindrei [870]2 years ago

6 0

Answer:

Evaluate the expression shown below and write your answer as either a mixed number or fraction in simplest form, or a decimal.

2+(-5)+8.25 (-5.5)

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3 years ago

For the equation below, x is the input and y is the output.

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The time required for an outlet pipe to an empty a tank is inversely proportional to the cross-sectional area of the pipe. A pip

NNADVOKAT [17]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf \stackrel{\textit{\underline{t}ime to empty a tank is inversely proportional to \underline{c}ross-sectional area}}{t=\cfrac{k}{c}}
\\\\\\
\textit{we also know that }
\begin{cases}
c=113.0\\
t=6.4
\end{cases}\implies 6.4=\cfrac{k}{113}\implies 723.2=k
\\\\\\
therefore\qquad \boxed{t=\cfrac{723.2}{c}}
\\\\\\
\textit{when c = 50.25, what is \underline{t}?}\qquad t=\cfrac{723.2}{50.25}\implies t\approx 14.3920398$

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3 years ago

How do you complete the square for pre-calculus

irakobra [83]

Answer:

Same as completing the square for algebra.

Step-by-step explanation:

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2 years ago

Describe and correct the error in writing 39 over 40 as a percent

Gwar [14]

Answer:

Convert fraction (ratio) 39 / 40 Answer: 97.5%

Step-by-step explanation:

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