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Papessa [141]
3 years ago
6

An item is regularly priced at $30. It is now priced at a discount of 30% off the regular price. What is the price now?

Mathematics
1 answer:
stiv31 [10]3 years ago
7 0
The price of the item will be 21$
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Sin theata=3/5, then cos theata= ?
Elena-2011 [213]

\bf sin(\theta )=\cfrac{\stackrel{opposite}{3}}{\stackrel{hypotenuse}{5}}\impliedby \textit{let's find the \underline{adjacent side}}
\\\\\\
\textit{using the pythagorean theorem}
\\\\
c^2=a^2+b^2\implies \sqrt{c^2-b^2}=a
\qquad
\begin{cases}
c=hypotenuse\\
a=adjacent\\
b=opposite\\
\end{cases}
\\\\\\
\sqrt{5^2-3^2}=a\implies \pm\sqrt{25-9}=a\implies \pm 4=a
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
~\hfill cos(\theta )=\cfrac{\stackrel{adjacent}{\pm 4}}{\stackrel{hypotenuse}{5}}~\hfill

5 0
3 years ago
Which is bigger 45% or 5/11
oksano4ka [1.4K]
\dfrac{5}{11}=0,\overline{45}=0,4545\ldots\\
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So \dfrac{5}{11}\ \textgreater \ 45\%
4 0
3 years ago
I need the answer asap​
Effectus [21]
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8 0
3 years ago
How do i solve this problem?
adelina 88 [10]
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3 years ago
You start at (1,0) And move down 2 units and left 4 units where do you end
djverab [1.8K]

Answer:

(-3,-2)

Step-by-step explanation:

Starting at the point (1, 0)

Now we move don 2 units (so the y-value reduces in two units) making now the point (1,0-2)  which is (1, -2)

then we move to the left 4 units (so the x-value has now to be decreased in 4 units) making the point: (1-4, -2) which is (-3, -2)

3 0
3 years ago
Read 2 more answers
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