3 years ago

How to solve this equation

1 answer:

7 0

$\bf \sqrt{5x+19}-4=3x-15
\\\\
\sqrt{5x+19}=3x-15+4\\\\ \sqrt{5x+19}=3x-11\leftarrow \textit{square both sides}
\\\\
(\sqrt{5x+19})^2=(3x-11)^2
\\\\
5x+19=(3x-11)^2\qquad 
\begin{cases}
(3x-11)^2\to (3x-11)(3x-11)\\
 --------------\\
\textit{or use FOIL to expand it}
\end{cases}$

then solve for "x"

You might be interested in

What is 662/3% as a fraction simplest form

Mrac [35]

Answer:

331/150

Step-by-step explanation:

662/3% = (662/3)/100=662/300=331/150

4 0

3 years ago

can i get help please?? :) As the science teacher explained how the cells doubled, Emma felt frustrated. To help Emma understand

vlada-n [284]

B. there will be 10 cells

6 0

3 years ago

A sports team donates 252 tickets to a sporting event, with tickets to be shared equally among 9 classrooms. How many tickets do

Tcecarenko [31]

Answer:

28 tickets

Step-by-step explanation:

252/9=28

8 0

3 years ago

Which graph represents the solution of y > x2 + 2?

Vladimir [108]

The questions is asking which one and i say is graph B

4 0

2 years ago

Read 2 more answers

Help would be appeeiciated

ser-zykov [4K]

Filling in the given information, you are asked to find "r" from
64π = 4πr²

Dividing by 4π gives
16 = r²

And taking the square root tells you
4 = r

The appropriate choice is ...
C. 4

6 0

3 years ago