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Evgen [1.6K]
3 years ago
15

In the diagram find the area of DEF

Mathematics
1 answer:
Agata [3.3K]3 years ago
4 0

Answer:

Im sorry Im not sure

Step-by-step explanation:

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The volume
Sedaia [141]
\bf \begin{array}{cccccclllll}
\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\
\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\
y&=&{{ k}}&\cdot&x
&&  y={{ k }}x
\end{array}\\ \quad \\


and also

\bf \begin{array}{llllll}
\textit{something}&&\textit{varies inversely to}&\textit{something else}\\ \quad \\
\textit{something}&=&\cfrac{{{\textit{some value}}}}{}&\cfrac{}{\textit{something else}}\\ \quad \\
y&=&\cfrac{{{\textit{k}}}}{}&\cfrac{}{x}
&&y=\cfrac{{{  k}}}{x}
\end{array}


now, we know that V varies directly to T and inversely to P simultaneously
thus\bf V=T\cdot \cfrac{k}{P}

so     \bf V=T\cdot \cfrac{k}{P}\qquad 
\begin{cases}
V=42\\
T=84\\
P=8
\end{cases}\implies 42=\cfrac{84k}{8}\implies 4=k
\\\\\\
V=\cfrac{4T}{P}\qquad now\quad 
\begin{cases}
V=74\\
P=10
\end{cases}\implies 74=\cfrac{4T}{10}\implies 185=T
7 0
3 years ago
What is the slope indicated in the table below?
Mila [183]

Answer:

it goes up (x) goes by 5 and (y) by 7

Step-by-step explanation:

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2 years ago
Consider the following scenario:
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C. The number of times a dessert was offered at a special price.

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One hundred ninety-two students were surveyed about their favorite kind of TV programs. The results are shown in the table. Whic
trapecia [35]

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Music was 25%

Step-by-step explanation:

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A triangle has sides measuring 15, 15, and 15 . What are the angle measures of the triangle?
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The angle measures are 60, 60, 60
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