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
Sav [38]
2 years ago
13

If f(n)=n*2-n, then f(-4)is

Mathematics
1 answer:
katen-ka-za [31]2 years ago
5 0

Answer:

20

Step-by-step explanation:

f(n)=n^2-n

f(-4)=(-4)^2-(-4)

f(-4)=16+4

f(-4)=20

You might be interested in
Add (3a+1)+(5x+8)=??
IrinaVladis [17]
Your answer should be 3a^2 + 5x + 9
5 0
2 years ago
PLS HELP ASAP!!!!!! <br> THANK UUU
Elodia [21]

Answer:

a: is 36

Step-by-step explanation:

8 0
2 years ago
You buy tomatoes in 25-pound cases.
julsineya [31]
For a single 25 pound case you can make 133 servings, As a single pound of tomatoes equals 16 ounces; and 16x25 is 400, and when you divide that be 3 it turns into 133.3333333- and goes on, but you round that down to 133 for your answer.
6 0
3 years ago
Help me please again lol :&gt; here's a picture
Delvig [45]

Answer:

It's Same perimeter only

Step-by-step explanation:

It can't be the other two because they don't share the same area

4 0
2 years ago
Read 2 more answers
Choose all the numbers that 810 is divisible by.
Aleks04 [339]
810/2= 405

810/3= 270

810/4= 202.5 (not this one)

810/5= 162

810/6= 135

810/7= 115.71 ( not this one)

810/8= 101.25 (not this one)

810/9= 90

810/10= 81

810/11= 73.63 (not this one)

I hope this helps you!
3 0
3 years ago
Other questions:
  • Select the graph of the equation below.<br> y= -1/4x^2+1
    6·1 answer
  • PLEASE HELP ANSWER ALL 3!!! 20 POINTS !!
    15·2 answers
  • A pairs of fair dice is tossed . What is the probability of not getting a sum 5 or 9 ?
    8·1 answer
  • You want to determine the height of the screen at a drive-in movie theater. You use a cardboard square to line up the top and bo
    14·1 answer
  • Simplify x + 6.2 + 8.5.<br><br> 14.7x<br> x + 14.7<br> 6.2x + 8.5
    12·2 answers
  • In 10 minutes a heart can beat 700 times at this rate how many minutes will it take it for the heart to beat 140 times
    11·1 answer
  • Please answer this question, I am timed. Thank you! :)
    15·2 answers
  • The fourth term of an arithmetic
    8·1 answer
  • In a diagram which of the following statements are false
    8·1 answer
  • Could u help me with these 3 questions? Ill mark brainly if its correct. :)
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!