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
Mkey [24]
3 years ago
12

Negative four times a number plus nine is no more than the number minus twenty one

Mathematics
2 answers:
marysya [2.9K]3 years ago
8 0
N is no more than six
Allushta [10]3 years ago
3 0
4x+9 =< x-21 
<span>-4x-x +9 =< x-x-21 </span>
<span>-5x +9 =< -21 </span>
<span>-5x +9-9 =< -21-9 </span>
<span>-5x =< -30 </span>
<span>-5x/-5 =< -30/-5 (DANGER divide by neg affects direction of inequality) </span>
<span>x =< 6 </span>
<span>CHECK sign </span>
<span>-4x+9 =< x-21 </span>
<span>-4*6+9 =< 6-21 </span>
<span>-24+9 =<-15 </span>
<span>-15 =<-15 </span>

<span>-4*7+9 =< 7-21 </span>
<span>-28+9 =< 7-21 </span>
<span>-19 =< -14 false </span>

<span>-4*5+9 =< 5-21 </span>
<span>-20+9 =< -16 </span>
<span>-11 =< -16 true </span>

<span>so </span>
<span>x =< 6 is correct. </span>












<span>I use =< since eq would NO MORE THAN.</span>
You might be interested in
6. Sales associates at a local clothing
RSB [31]

Answer:

ask the internet this question sorry not being rude its becausd no ones answered it

6 0
3 years ago
Which expressions are equivalent to z + (z + 6)
elixir [45]

Answer:

C  2(z+3)

Step-by-step explanation:

z+(z+6)

Combine like terms

2z+6

We can factor out a 2 from each term

2(z+3)

7 0
3 years ago
An interior angle and an exterior angle are adjacent. The exterior angle measures 113°. What is the measure of the interior angl
Nuetrik [128]
Since all straight lines have an angle of 180 degrees if the exterior angle is equal to 113 degrees than you just subtract 113 from 180 which will equal 67.
5 0
3 years ago
Read 2 more answers
Give the digits in the ones place and the hundredths place.<br> 16.89
Usimov [2.4K]
Hundredths place=9
Ones place=6
5 0
3 years ago
Find the distance between points P(8,1) and Q(1,6) to the nearest tenth
Ronch [10]
1 - 8 = - 7
6 - 1 = 5

Let us use the Pythagorean theorem:

c^2 = (-7)^2 + 5^2 = 49 + 25 = 74 -> c = 8.6
5 0
3 years ago
Other questions:
  • Need Help with 44.. picture above
    8·1 answer
  • <img src="https://tex.z-dn.net/?f=-5%2B78%2B%28-32%29" id="TexFormula1" title="-5+78+(-32)" alt="-5+78+(-32)" align="absmiddle"
    5·2 answers
  • What numbers multiply to get 720
    15·1 answer
  • Explain howto use friendly percents to find 35% of 80
    12·1 answer
  • Please help!!! This is one question with a couple parts I am extremely confused and it would be amazing if you could show steps!
    11·1 answer
  • Problems 7-15 Simplify each expression. 20 points
    8·1 answer
  • In how many months was the high temperature less than 17°C?
    15·1 answer
  • sally had 21 marbles her friendgave her some more.she then had 35 marbles. write an expression that shows how many marbles she h
    11·1 answer
  • A parabola is graphed such that the axis of symmetry is x = 3. One of the x-intercepts is (5, 0). What is the other x-intercept?
    7·1 answer
  • Use the factors of the function and the y-intercept to find the standard form of the equation representing Jared’s function.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!