Guythatneedshelp

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Externally tangent circles with centers at points $A$ and $B$ have radii of lengths 5 and 3, respectively. A line externally tangent to both circles intersects ray $AB$ at point $C$, where $B$ is on $\overline{AC}$. What is the length $BC$?

Guythatneedshelp Mar 2, 2024

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57

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Function g is defined as follows:
\[g(x) = \left\{
\begin{array}{cl}
5x^2 & \text{if } x \le -3, \\
21+x& \text{if }-3 < x \le 10, \\
2-\sqrt{x}& \text{if }x > 10.<#> \end{array}\right.\] read more ..

Guythatneedshelp Jun 1, 2023

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Please Help

For what positive integers $c$, with $c < 100$, does the following quadratic have rational roots? \[ 3x^2 + 20x + c \]

Guythatneedshelp Jun 1, 2023

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A circle centered at passes through the point Find the equation of the circle.
Write your equation in the form .

Guythatneedshelp Feb 16, 2023

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PLs help asap

Write in the form , where a and b are positive integers:

Guythatneedshelp Jan 20, 2023

+25

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It says that it is wrong

GuythatneedshelpJun 1, 2023