$\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ 0 &,& -11~) 
% (c,d)
&&(~ -9 &,& -12~)
\end{array}
\\\\\\
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
\\\\\\
d=\sqrt{[-9-0]^2+[-12-(-11)]^2}
\\\\\\
d=\sqrt{(-9-0)^2+(-12+11)^2}
\\\\\\
d=\sqrt{(-9)^2+(-1)^2}\implies d=\sqrt{82}$

3 0

3 years ago

0.012=1.2×10 -³ true or false

Wittaler [7]

This awnser is false

6 0

2 years ago

Please help me with this equation, you are supposed to find x

Lena [83]

Answer:

Step-by-step explanation:

$\frac{3}{4}(x+21) =10\frac{1}{2} \\x+21=14\\x=-7$

5 0

2 years ago

Read 2 more answers

A triangle has two sides of length 8 and 4. What is the smallest possible whole-number length for the third side?

alexira [117]

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bit. $^{}$ ly/3a8Nt8n

5 0

2 years ago