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3 years ago

HELP PLEASE!!!!

Mathematics

2 answers:

iris [78.8K]3 years ago

4 0

Answer:

1: a,b, correct order of the triangle points

2: d

pochemuha3 years ago

3 0

Answer:

Not sure about the first one.

For the second question: d. reflect over x-axis, reflect over y-axis, then translate 2 units up

Step-by-step explanation:

It is reflected over both axis and then moved up 2 units.

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Layla calculates the mean of the ages of 10 students on her bus, and she discovers the average(mean) age is 12.8. What will happ

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2 years ago

Which number line represents the expression 7 + (−3) + (−2) +4?

vekshin1

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2 years ago

Jessica has two strings. the first string measures 80 cm and the second string measures 64cm. she wants to cut the strings into

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3 years ago

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 $\bf V=T\cdot \cfrac{k}{P}\qquad 
\begin{cases}
V=42\\
T=84\\
P=8
\end{cases}\implies 42=\cfrac{84k}{8}\implies 4=k
\\\\\\
V=\cfrac{4T}{P}\qquad now\quad 
\begin{cases}
V=74\\
P=10
\end{cases}\implies 74=\cfrac{4T}{10}\implies 185=T$

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2 years ago

Name the denominator in:9

Liono4ka [1.6K]

Answer:

Step-by-step explanation:

The denominator in 9 is one. This also applies for all numbers without a denominator.

Hope this helps :)

5 0

3 years ago

Read 2 more answers