3 years ago

If you flip three fair coins, what is the probability that youll get all three heads

Mathematics

1 answer:

Leona [35]3 years ago

8 0

Answer:

12.5

Step-by-step explanation:

100/2=50/2=25/2=12.5

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What is the answer to -|-9|

puteri [66]

Answer:

-9

Step-by-step explanation:

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3 years ago

Read 2 more answers

If M is the midpoint of XY, find the coordinates of X if M(-3,-1) and Y(-8,6)

vova2212 [387]

$\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
X&({{ a}}\quad ,&{{ b}})\quad 
% (c,d)
Y&({{ -8}}\quad ,&{{ 6}})
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)$

$\bf \left( \cfrac{-8+a}{2}~,~\cfrac{6+b}{2} \right)=\stackrel{M}{(-3,-1)}\implies 
\begin{cases}
\cfrac{-8+a}{2}=-3\\\\
-8+a=-6\\
\boxed{a=2}\\
----------\\
\cfrac{6+b}{2}=-1\\\\
6+b=-2\\
\boxed{b=-8}
\end{cases}$

5 0

3 years ago

Which of the following equals 3x2−10x−83x2-10x-8 when factored completely?

xeze [42]

If it was typo and the original equation is 3x^2 - 10x - 8, then the answer would be (3x+2)(x-4), but if not then IDK.

Hope this helps!

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4 years ago

Kuisssss hi how are you? <img src="https://tex.z-dn.net/?f=%20%5Csf%20%7B3%7D%5E%7B2%7D%20%20%5Cdiv%209%20%3D%

Ksju [112]

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Shahs

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2 years ago