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
vova2212 [387]
3 years ago
8

Expand. If necessary, combine like terms. (x+3)(x – 3) = ?

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
8 0

Answer:

i did it on khan

Step-by-step explanation:

its x^2=9

Kobotan [32]3 years ago
5 0

Step-by-step explanation:

multiply it

x²-3x+3x-9=0

x²-9=0

x²=9

square root both side we get

x=3

You might be interested in
These map tests give me anxiety or however you spell it
Vesnalui [34]

Answer:

Im sorry i dont know what im supposed to be answering

step-by-step explanation:

5 0
3 years ago
IM GIVING BRAINIEST TO THE FIRST CORRECT ANSWER !!! HURRY.
dexar [7]

Answer:

-1,3

Step-by-step explanation:

1 left and 3 up

8 0
3 years ago
Please help me!!!!! I need help!!!!!!!!!
Alex
The answer is 145 divided by tan 65 degrees.

Since the equation for tangent is opposite/adjacent, you can just plug the numbers in.

tan(65)=145/x (x being the height that you are trying to find)

tan(65) * x = 145

Then divide tan(65) to isolate the x and you get:

145/tan(65)

Hope this helps!
6 0
3 years ago
Please please asap!!
Thepotemich [5.8K]

Answer:I don't know this one

Step-by-step explanation:

4 0
3 years ago
A SALESMAN BOUGHT A COMPUTER FROM A MANUFACTURER. THE SALESMAN THEN SOLD THE COMPUTER FOR $15,600 MAKING A LOSS OF 25%. WHAT AMO
NNADVOKAT [17]

Answer:

20800 dollars

Step-by-step explanation:

15600*(1/0.75)

=20800

the original price was 20800 dollars.

weirdly expensive computer though

4 0
1 year ago
Other questions:
  • sweet T has 2 orange picks for every 5 green.If there are 21 picks in all,How many picks are orange?
    12·2 answers
  • Which table could be a partial set of values for a linear function?
    11·2 answers
  • NEED HELP I WILL GIVE THE MOST BRAINLIEST TO THE FIRST ONE THAT ANSWERS
    6·1 answer
  • The metal in a penny is about 0.505 cents how many cents is this written as a fraction
    8·2 answers
  • What is the answer to this: -5a+3>1
    5·1 answer
  • Anybody know please help
    12·1 answer
  • Morgan is making accessories for the soccer team. She uses 822.48 inches of fabric on headbands for 43 players and 3 coaches. Sh
    7·1 answer
  • Add −1 3/10 + 2/5 using the number line.
    10·1 answer
  • If you launch the cannonball from the ground instead (hi=0), what does that change in the original equation?
    5·1 answer
  • PLA
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!