1answer.
Меню
Ask question
Login
Signup
Ask question
Menu
All categories
English
Mathematics
Social Studies
Business
History
Health
Geography
Biology
Physics
Chemistry
Computers and Technology
Arts
World Languages
Spanish
French
German
Advanced Placement (AP)
SAT
Medicine
Law
Engineering
Marina CMI
[18]
3 years ago
6
Please show your work What is the solution of the equation
x" id="TexFormula1" title=" \sqrt{2x+13} -5=x" alt=" \sqrt{2x+13} -5=x" align="absmiddle" class="latex-formula">
Mathematics
Answer
Comment
Send
1
answer:
Hatshy
[7]
3 years ago
3
0
Add the five to each side.
then square it to get rid of the square root
2x+13=(5+x)^2
2x+13=x^2+10x+25
2x=x^2+10x+12
x^2+8x+12=0
(x+6)(x+2)
x+6=0
x+2=0
answers are -2 and -6, however, when pluging -6 in it doesnt work, so it is only -2.
Send
You might be interested in
7 over 8 devided by 19
Tasya [4]
Answer:
7/152
or 0.046
6
0
3 years ago
Write an equation for the line that is parallel to the given line and passes through the given point
Effectus [21]
y - y1 = m(x - x1)
y-16=5(x-2)
y-16=5x-10
y= 5x-10+16
y=5x+6
7
0
3 years ago
Simplify the radical
elena-14-01-66 [18.8K]
Answer:
8
0
3 years ago
An iron cube measures 10cmx10cmx10cm. what is its volume?
Andrei [34K]
Volume of a cube is sides a3
so 10x10x10
V=1000cm
3
0
3 years ago
Are all parallelograms squares?
pav-90 [236]
No at least two side need to be parallel to be that so almost anything will be your answer
6
0
3 years ago
Read 2 more answers
Other questions:
What's the missing terms 5120, 1280, 320, 80,_, _
5
·
1 answer
You pack sandwiches for a mountain hike with your friends. Each sandwich takes 2 slices of bread and each hiker eats one sandwic
11
·
1 answer
Determine whether the sequence converges or diverges. If it converges, give the limit.
11
·
1 answer
Laura has a job that pays $4,625 monthly. How much is
12
·
1 answer
Water is poured into container A so that it’s 2/3 full.
12
·
1 answer
Center is (5,3) and the radius is 3; what is the equation? (x - h)^2 + (y - k)^2 = r^2
10
·
1 answer
Y= -3x^3+17x^2-10x
14
·
2 answers
Quick Math Problems Plz Help Solve For X (Show Ur Work If U Can)
5
·
1 answer
A random number generator picks a number from 6 to 66 in a uniform manner. Round answers to 4 decimal places when possible.
9
·
1 answer
Which set of equations would have infinite solutions?
13
·
2 answers
×
Add answer
Send
×
Login
E-mail
Password
Remember me
Login
Not registered?
Fast signup
×
Signup
Your nickname
E-mail
Password
Signup
close
Login
Signup
Ask question!