3 years ago

What is the perimeter of the triangle?

Mathematics

1 answer:

Anna [14]3 years ago

6 0

Answer:

Step-by-step explanation:

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Multiple Choice! What is the solution to the following equation?

earnstyle [38]

<h3>Given Equation:</h3>

25 - 5x = 5( -x + 5 )

<h3>Solution:</h3>

25 - 5x = -5x + 25

or, 25 - 25 - 5x + 5x = 0

or, x = 0

<h2>Answer:</h2>

<u>Option B. x = 0</u>

<h3>To Check:</h3>

25 - 5x = 5 ( -x + 5 )

or, 25 - 5(0) = 5 ( 0 + 5 )

or, 25 - 0 = 0 + 25

or, 25 = 25

LHS = RHS

Hence, Verified.

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Which type of symmetry does this figure have?

Karolina [17]

Answer:

reflection and rotation

Step-by-step explanation:

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Ordinary quarters and a fake quarter with two heads are placed in a hat. One-quarter is selected at random and tossed twice. If

motikmotik

How many quarters of each are there?

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3 years ago

Please help! And explain.

wariber [46]

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta r^2}{2}\qquad 
\begin{cases}
\theta=\textit{angle in radians}\\
r=radius\\
----------\\
r=5\\
\theta=\frac{\pi }{4}
\end{cases}\implies A=\cfrac{\frac{\pi }{4}\cdot 5^2}{2}\\\\
-----------------------------\\\\
A=\cfrac{\frac{\pi }{4}\cdot 25}{2}\implies A=\cfrac{\frac{25\pi }{4}}{2}\implies A=\cfrac{\frac{25\pi }{4}}{\frac{2}{1}}\implies A=\cfrac{25\pi }{4}\cdot \cfrac{1}{2}
\\\\\\
\boxed{A=\cfrac{25\pi }{8}}$

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4 years ago