3 years ago

PLEASE PLEASE PLEASE HELP!! Explanations on how to set it up would be great!

1 answer:

3 0

AD = BC
x+2 = 2x - 3
2x -x = 2+3
x = 5

AB = DC
2y +1 = 3x - 2
2y + 1 = 3(5) - 2
2y + 1 = 13
2y = 13 - 1
2y = 12
y = 6

answer: x = 5 and y = 6

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What is the value of x? x = 45° x = 65° x = 70° x = 115°

dem82 [27]

The three inside angles of a triangle need to equal 180 degrees.

To find X subtract the two known angles from 180.

X = 180 - 45 - 70

X = 65 degrees.

8 0

3 years ago

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What logarithmic function represents the data in the table? x f(x) 25 2 125 3 625 4

Ray Of Light [21]

$\bf recall\\\\
log_{{ a}}{{ b}}=y \iff {{ a}}^y={{ b}}\qquad\qquad 
{{ a}}^y={{ b}}\iff log_{{ a}}{{ b}}=y \\\\
-----------------------------\\\\
thus\qquad 
\begin{array}{cc|llll}
x&y&5^y=x\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
25&2&5^2=25\\
125&3&5^3=125\\
625&4&5^4=625\\
\end{array}
\\\\\\
\textit{so hmmm what would that be in log notation? }\ 5^y=x \iff \boxed{?}$