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cluponka [151]
2 years ago
10

I NEED HELP PLEASE

Mathematics
1 answer:
NARA [144]2 years ago
3 0

Answer:

-24

Step-by-step explanation:

do you still needs help??

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How much will a person pay for 11.6 pounds of bananas at a price of 1.51 per pound?
xz_007 [3.2K]

Answer:

17.52

Step-by-step explanation:

literally 11.6 x 1.51 and then round to hundredth place

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3 years ago
Find the exact value of tan (arcsin (two fifths)). For full credit, explain your reasoning.
Hitman42 [59]
\bf sin^{-1}(some\ value)=\theta \impliedby \textit{this simply means}
\\\\\\
sin(\theta )=some\ value\qquad \textit{now, also bear in mind that}
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sin(\theta)=\cfrac{opposite}{hypotenuse}\qquad 
\qquad 
% tangent
tan(\theta)=\cfrac{opposite}{adjacent}\\\\
-------------------------------\\\\

\bf sin^{-1}\left( \frac{2}{5} \right)=\theta \impliedby \textit{this simply means that}
\\\\\\
sin(\theta )=\cfrac{2}{5}\cfrac{\leftarrow opposite}{\leftarrow hypotenuse}\qquad \textit{now let's find the adjacent side}
\\\\\\
\textit{using the pythagorean theorem}\\\\
c^2=a^2+b^2\implies \pm\sqrt{c^2-b^2}=a\qquad 
\begin{cases}
c=hypotenuse\\
a=adjacent\\
b=opposite\\
\end{cases}

\bf \pm \sqrt{5^2-2^2}=a\implies \pm\sqrt{21}=a
\\\\\\
\textit{we don't know if it's +/-, so we'll assume is the + one}\quad \sqrt{21}=a\\\\
-------------------------------\\\\
tan(\theta)=\cfrac{opposite}{adjacent}\qquad \qquad tan(\theta)=\cfrac{2}{\sqrt{21}}
\\\\\\
\textit{and now, let's rationalize the denominator}
\\\\\\
\cfrac{2}{\sqrt{21}}\cdot \cfrac{\sqrt{21}}{\sqrt{21}}\implies \cfrac{2\sqrt{21}}{(\sqrt{21})^2}\implies \cfrac{2\sqrt{21}}{21}

7 0
3 years ago
How do I graph the solution
notsponge [240]
Make the circle closed and the > needs to be underlined

8 0
3 years ago
What are the x and y intercept for the graph of 4x - 3y = -12
Mama L [17]

Answer:

(-3,0) = x and (0,4) = y

Step-by-step explanation:

7 0
2 years ago
How many different combinations are possible if a number cube is tossed three times?
Nataly_w [17]
It would be 6 x 6 x 6, since the number cube has six sides and it was thrown 3 times. 
6 0
3 years ago
Read 2 more answers
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