menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Please help me solve this maths problem ☺
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Please help me solve this maths problem ☺
asked
Sep 16, 2018
46.8k
views
3
votes
Please help me solve this maths problem ☺
Mathematics
middle-school
Ggg
asked
by
Ggg
7.6k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
4
votes
I)
(2x -3)^2 - 2x(2x - 5)
= 4x^2 - 12x + 9 - 4x^2 + 10x
= -2x + 9
II)
(2x+1)/3 = 1/2
2x + 1 = 3/2
2x = 1/2
x = 1/4
III)
5 - (3x+4) >= 4
5 - 3x - 4 >= 4
-3x + 1 >= 4
-3x >= 3
x <= -1
iV)
2(x + x + 2) = 18
2(2x + 2) = 18
4x + 4 = 18
4x = 14
x = 3.5 cm
Hauke
answered
Sep 20, 2018
by
Hauke
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Apr 27, 2018
194k
views
Ratio/Proportion Could someone please help me answer this Maths question. Please show step to step guide to how you got your answers.☺
Muers
asked
Apr 27, 2018
by
Muers
7.6k
points
Mathematics
middle-school
1
answer
5
votes
194k
views
asked
Mar 27, 2018
200k
views
Please help me answer this Maths question.☺ ***Must show step by step guide to how you got your answers***☺
Kaedi
asked
Mar 27, 2018
by
Kaedi
8.0k
points
Mathematics
middle-school
1
answer
4
votes
200k
views
asked
Jan 21, 2018
93.5k
views
Simplify these sums.☺ Could someone please help me answer these maths questions ☺
Karim Tarabishy
asked
Jan 21, 2018
by
Karim Tarabishy
8.3k
points
Mathematics
middle-school
1
answer
4
votes
93.5k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org