1answer.
Ask question
Login Signup
Ask question
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
Marta_Voda [28]
3 years ago
7

6. Select all the inequalities that have the same solutions as -4x < 20.

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

Answer:

F and B (as far as I can see).

Step-by-step explanation:

First, let's simplify the equation. You can easily do this by dividing by -4.

                                                  -4x < 20

                                                   /-4    /-4

                                                      x > -5

REMEMBER- Whenever dividing or multiplying a negative number with inequalities, the sign flips!!

On A, we can see that it has a negative symbol, but if we were to divide that, the sign would flip, making -5 greater than x. That's not what we want.

On B, the 20 is negative instead of the 4. Does this change anything?

                                                   4x > -20

                                                   /4    /4

                                                      x > -5

Nope! It still simplifies to what we had at the beginning so it works!

C and D are slightly confusing me because, well, I don't really see how it's relevant to anything so... It doesn't even have a inequality symbol so I don't know lol.

E is wrong because we need the 5 to be positive.

F is obviously right compared to our first answer.

You might be interested in
Find the value of x in each figure number 5 please
Stells [14]
So the angle that's next to the 62 is 118. Now that means the other angles have to add up to 62. 62-14= 48 and 48/2 is 24 so X=24. Good luck! :)
7 0
3 years ago
Read 2 more answers
Given f(x)=3x+4. Determine the value of x if f(x)=21 to the nearest tenth.
ella [17]

Answer:

5.7

Step-by-step explanation:

3x+4 = 21

3x = 17

x = 5.666667 = 5.7

6 0
3 years ago
How to solve problem 13
miv72 [106K]
You need to use division.
7 0
3 years ago
Math question down below
Sholpan [36]
5(x + 30) 

x + 30 represents the number of minutes per day he practices
5 is the number of days he practices
so 5(x+30) = the total number of minutes he practices in 5 days

For example, if he practices the piano for 20 minutes per day and the violin for 30 minutes per day, he practices a total of 50 minutes per day. For 5 days that would be 5 x 50 = 250 minutes in 5 days.

Plug that into the equation
5(x+30) = 5(20+30) = 5(50) = 250 




5 0
4 years ago
Read 2 more answers
Mariana runs at a rate of 300 meters how far does she run in 8 minutes​
IgorC [24]

Answer:

well if this is by 300meters in one minutes then it would be 2400 meters

7 0
4 years ago
Other questions:
  • Solve for x. Please have explanantion
    7·1 answer
  • Jan went grocery shopping and only bought items which had been marked down. The items she bought, along with their prices, can b
    5·2 answers
  • A farmer has 300 ft of fencing to enclose a rectangular pen next to a barn and the barn itself will be used as one of the sides
    10·1 answer
  • Find 1/6 · 4 · 1/-3 9 · (-1/-2) · 5
    5·1 answer
  • What is the equation of a line that passes through the points (4,-7) and (2,-1)?
    5·1 answer
  • Express in completed square form x 2 + 6x + 20
    13·1 answer
  • Can you explain to me (detailed) on how to do this problem? I will give you a brainly if you get this right.
    7·2 answers
  • Can you write a quadratic equation with the solutions of 0 and 9
    7·1 answer
  • Find the ratio of<br> 28 to 35<br>2cmm to 1m<br>30p to 3Rs​
    11·1 answer
  • A cat weighs​8 1/4​pounds.<br><br> How many ounces does the cat weigh?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!