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
zalisa [80]
3 years ago
15

Evaluate 2х^2 - 1 when x= 3. ОА. 25

Mathematics
2 answers:
xxMikexx [17]3 years ago
8 0

Answer:18

Step-by-step explanation:

Luba_88 [7]3 years ago
7 0
If you did pemdas then 3^2 would equal 9 times 2 would be 18
You might be interested in
Into the boxes:<br> 2x + 8 = 1x + 9<br> Solve the equation.
JulsSmile [24]

Answer:

x = 1

Step-by-step explanation:

Rearrange equation by making x's on one side and numbers on the other

2x - x = 9 - 8

x = 1

6 0
2 years ago
Read 2 more answers
A puzzle in the local newspaper lists the letters M, R, O, U, and H and asks readers if they can correctly unscramble the letter
Gala2k [10]

The answer to this question is C. This is 100% correct.

8 0
3 years ago
Read 2 more answers
SOMEONE PLEASE HELP QUICK ITS TIMED
OleMash [197]

Answer:

true

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the error in the problem below
qaws [65]

Answer:

You aren't supposed to add 3k

Step-by-step explanation:

3k is a positve number. So instead of adding you have to subtract to be able to move on. Correct way shown below. Once you get this step wrong your answer will also be wrong. At the end you also need to divide

19-2k= 3k-1

  -3k  -3k

19-5k= -1

-19      -19

 -5k= -20

-5/-5= -20/-5

    k=4

7 0
3 years ago
Find angle 1, if angle 2 = 56 and m LJKL = 145
Alexandra [31]

Answer: NEED PICTURE TO ANSWER, we dont know if it a square or if its a rectangle, sry

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • The sum of three numbers is -44.84. One of the numbers is 26.6. The other two numbers are equal to each other. What is the value
    8·1 answer
  • What is equal to the opposite of -45
    9·1 answer
  • Question 3 Unsaved
    15·1 answer
  • What is the interest due on $5,000 at 11% for 3 years?
    13·2 answers
  • Use distributive property to find the product of 27 and 54
    13·1 answer
  • *HELP PLEASE*
    13·1 answer
  • A person has a bag containing dimes and nickels. There are a total of 120 coins in the bag, and the total value of the coins is
    11·1 answer
  • Hi, here is a hotline for all of my lgbq+ friends. Hope we have fun here!! !️‍❤️
    10·2 answers
  • Our school planned to plant 150 seedlings in a tree planting activity. However,
    12·1 answer
  • F(x)= (〖2x〗^2-3x)/(x+6 ) asymptote
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!