# Algebra

"Do the two inequalities have the same solutions? Wriet yes or no.

-5x > 0
x > 0

Solve each inequality and ch eck your solution.

9x > 81

help please?

-thanks

1. 👍
2. 👎
3. 👁
1. -5x > 0
-5x/-5 > 0/-5
x < 0 since we are dividing by a negative, the inequality changes
so, no the answer is not the same

9x > 81
x > 81/9
x > 9

1. 👍
2. 👎
2. first one no:
when dividing by a negative you need to flip the inequality sign
-5x > 0 = x < 0
x<0 doesn't equal x>0

the second
x> 81/9
x> 9

1. 👍
2. 👎
3. A 3-mi cab ride costs \$3.00. A 6-mi cab ride costs \$4.80. Find a linear equation that models cost c as a function of distance d.

1. 👍
2. 👎
4. you should have posted as a new question

1. 👍
2. 👎
5. Can you help me on this problem as well? (or anyone.)

Solve each inequality and check your solution.

h
- > -7
4

1. 👍
2. 👎

## Similar Questions

1. ### AP Chemistry

DrBob222 thank you for your previous response. I am reposting the entire question. Two different 1.2 L buffered solutions were prepared using HOBr and LiOBr. Both buffered solutions had a pH of 5.2 at 25C. After 0.17 mols of HI

2. ### math

A local citizen wants to fence a rectangular community garden. The length of the garden should be at least 110 ft, and the distance around should be no more than 380 ft. Write a system of inequalities that models the possible

3. ### algebra 1

Which of the following points are solutions to the system of inequalities shown below? Check all that apply. y>4x + 2 y

4. ### algebra

how many real number solutions does the equation have? 0=2x^2-20x+50 A. 1 solution B. 2 solutions C. no solutions** D. infinite solutions

1. ### Math

Solve the compound inequalities. Write the solutions in interval notation. Graph your solution on a number line. 1. 2(3x + 1)< -10 or 3(2x - 4) ¡Ý 0 The or means union of these inequalities. 2. 5(p + 3) + 4 > p - 1 or 4(p - 1) +

2. ### Math

5. A system of linear inequalities is shown below: x + y ≥ 4 y < 2x – 3 Describe the steps to graph the solution set to the system of inequalities. Be specific. (10 points)

3. ### Algebra

1.Mary is selling her craft to earn money she sells her bracelets for \$6 and her necklaces for \$10 her goal is to make at least \$120 in sales which of the following represents three possible solutions to the problem A.6x+10y=120

4. ### Math

How many real number solutions does the equation have? y=3x^2-5x-5 A)one solution B)two solutions C)no solutions D)infinitely many solutions I can't figure this question out. Any help would be amazing.

1. ### Math 111

Use the discriminant to determine the number and type of solutions for the given equation. Either A, B, C, OR D 2x^2 = 7x - 8 A One (repeated) rational solution B Two irrational solutions C Two imaginary solutions D Two rational

2. ### Math 7 A

Lesson 14: Equations and Inequalities Unit Test Math 7 A Unit 5: Equations and Inequalities Connexus Academy, Q: 3 (y + 1) for y = 2 A: 6 B: 9 C: 7 D: 8 I think its B...

3. ### Math

How many solutions does this system have? x-2y=2 y= -2x+5 a. infinitely many solutions b. no solutions c. two solutions d. one solution ******

4. ### Math

1)How many real number solutions does the equation have? -8x^2-8x-2=0 A) One Solution B) Two Solutions C) No solutions D) Infinitely many solutions If someone could help me with this that would be great since I am confused. Thank