$
\sqrt{15-x}=-3\sqrt{2x+3}\impliedby \textit{divide by -3}
\\ \quad \\
\cfrac{\sqrt{15-x}}{-3}=\sqrt{2x+3}\impliedby \textit{squares both sides}
\\ \quad \\
\left( \cfrac{\sqrt{15-x}}{-3} \right)^2=(\sqrt{2x+3})^2\implies 
\cfrac{(\sqrt{15-x})^2}{(-3)^2}=(\sqrt{2x+3})^2
\\ \quad \\
\cfrac{15-x}{9}=2x+3\impliedby \textit{multiply both sides by 9}
\\ \quad \\
15-x=18x+27\impliedby \textit{solve for "x"}$

5 0

3 years ago

A(n) _______ appears behind selected text. dotted line double-arrow point blue line shaded background

alexandr1967 [171]

A (n) Shaded background Appears behind selected text so option. 4) Is correct.

What is shading background?

Shading background is process, When selecting a particular text there behind the text a shad will form which shows the number of texts selected

Thus, shaded background appears behind selected text

Learn more about related Commands here:
brainly.com/question/13519182

#SPJ1

4 0

1 year ago

Please help me and no links or files! At a local department store, shirts typically cost $16. However, due to a special, the shi

Elza [17]

Answer:

75%

Step-by-step explanation:

$16 = 100%

$12 = ?%

?% = (12 * 100) / 16

?%= 75%

5 0

2 years ago

Read 2 more answers

Please answer quick I need help with this one Find x and the measure of each angle.​

Please answer quick I need help with this one Find x and the measure of each angle.