SOLUTION: I need help solving these problems, could you help??
1. Solve:
|3x+2|>4
A. x < -2 or x > 0.67
B. x < -2 or x > 1
C. x > 2 or x > 0.67
D. x < 2 or x > -1
2. Sol
Algebra.Com
Question 760822: I need help solving these problems, could you help??
1. Solve:
|3x+2|>4
A. x < -2 or x > 0.67
B. x < -2 or x > 1
C. x > 2 or x > 0.67
D. x < 2 or x > -1
2. Solve:
6+5|2r-3|≥4
A. ø C. All real numbers
B. r > 0.5 D. r < 1.5
3. Solve:
3/5 + |15t| ≤ 45
A. t ≥ -4 and t ≤ 4 C. t ≥ -7 and t ≤ 7
B. t ≥ -2.96 and t ≤ 2.96 D. t ≥ -9.6 and t ≤ 9.7
4. Solve:
2|9t-3|+4t≤12
A. t ≥ -4 and t ≤ 4 C. t ≥ -7 and t ≤ 7
B. t ≥ -2.96 and t ≤ 2.96 D. t ≥ -9.6 and t ≤ 9.7
5.Solve:
|3k-2|<4
A. k > 1 or k < 2 C. k > -0.67 or k < 2
B. 1 < k < 2 D. -0.67 < k < 2
6. Solve:
|1-0.3x| ≥ -3
A. x ≥ 13.33 or x ≤ -6.67 C. All real numbers
B. x ≤ -2.2 or x ≤ 0.2 D. -1.66 ≤ x ≤ 8.33
7.Solve:
|1.2-0.4x|<2
A. -2 < x < 8 C. 8 < x < -2
B. -8 > x > 2 D. x < -8 or x > 2
Thank you!!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1. Solve:
|3x+2|>4
=============
3x+2 > 4
Subtract 2
3x > 2
Divide by 3
x > 2/3 Answer 1
---------
-(3x+2) > 4
3x+2 < -4 Note change to <
Subtract 2
3x < -6
x < -2 Answer 2
======================
The others are similar.
RELATED QUESTIONS
I need help solving two problems. Using the quadratic formula.
x^2 - 3x - 1 = 0 (a=1, (answered by Edwin McCravy)
please help me if you can........
if(x-1)^2-(x-1)=0,then,
(A)X=0 OR X=2
(B)X=0 OR X=1
(answered by Fombitz)
I'm having trouble with these. If you could help me with these few I think I will be... (answered by AnlytcPhil)
Could someone please please help me with this:
f(x)= (x²-1)(x-1).
1.Show why... (answered by Edwin McCravy)
i need help solving.
-x+3y+1=2;... (answered by rfer)
Kindly help me solving it I tried my best but I couldn't
lim... (answered by ikleyn)
I need help solving:
Solve the system by addition or substitution.
3x + 6y = 0
(answered by venugopalramana)
I need help with a few problems please.. 1.) x^2-8x=-12 2.)1/2x^2+4x=7... (answered by ewatrrr)
need help solving x/x-1 +... (answered by jsmallt9)