Alberto ran 4/5 kilometers on Monday. On Tuesday, he runs 9/10 of the distance he ran on Monday. How far did he run on Tuesday?

Mathematics

1 answer:

mestny [16]3 years ago

3 0

Answer:multiply them

Step-by-step explanation:

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23-8x+5x+1

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4 years ago

Sin theata=3/5, then cos theata= ?

Elena-2011 [213]

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

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3 years ago

How to solve -w+4(w+3)=-12

Mars2501 [29]

-w+4(w+3)=-12
-w+4w+12=-12
3w=-12-12
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HOPE I HELPED!!!

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4 years ago

Read 2 more answers

Solve for a^2+b^2=c^2

Kay [80]

In this equation, there is nothing to solve for. However, the expression $a^{2} + b^{2} = c^{2}$ is the Pythagorean theorem. If there is a right triangle, then when the lengths of two shorter legs (a and b) are added together, and then square rooted, you get c, which is the hypotenuse.

Hope this helps!

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3 years ago