No explanation needed. just the answers for the cups if red per cup if blue for all. thanks!

Mathematics

2 answers:

Anvisha [2.4K]1 year ago

6 0

Answer:

A. Lara added 3 cups of blue paint to every cup of red paint.

B. 1/3 because 3*1/3 is 1

C. $8 because 6*8=48

Step-by-step explanation:

KiRa [710]1 year ago

6 0

D. 1.5 cups of red paint for 1 cup of blue paint

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a pyramid has a regular hexagonal base with side length of 4 and a slant height of 6. what is the total area of the pyramid

Stels [109]

So hmm notice the picture below

the pyramid itself, is really, just one regular hexagon, at the bottom
and 6 triangles, stacked up at each other at the edges

now, if you just get the area of the regular hexagon, and the 6 triangles, add them up, that'd be the total surface area of the pyramid then
$\bf \textit{area of a regular polygon}\\\\
A=\cfrac{1}{4}\cdot n\cdot s^2\cdot cot\left( \frac{180}{n} \right)\qquad 
\begin{cases}
n=\textit{number of sides}\\
s=\textit{length of a side}\\
\frac{180}{n}=\textit{angle in degrees}\\
----------\\
n=6\\
s=4
\end{cases}\\\\\\ A=\cfrac{1}{4}\cdot 6\cdot 4^2\cdot cot\left( \frac{180}{6} \right)$

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3 years ago

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olga_2 [115]

Answer:

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2 years ago

PQRS is a diameter of a circle of radius 6cm. the lengths PQ , QR , and RS are equal .Semicircles are drawn on PQ and QS as diam

velikii [3]

$r=6
\\d=2r=12
\\PQ=QR=RS= \frac{d}{3} = \frac{12}{3} =4
\\
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\\
\\P=r\pi+QR\times\pi+\frac{PQ}{2} \pi
\\
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\\
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