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
Law Incorporation [45]
3 years ago
12

2x squared plus negative 5 - 10 equals zero

Mathematics
2 answers:
Annette [7]3 years ago
8 0
2x² + (-5) - 10 = =
2x² - 5 - 10 = 0
2x² - 15 = 0
<u>     + 15 + 15</u>
       <u>2x²</u> = <u>15</u>
         2      2
         x² = 7.5
          x ≈ 2.74
Basile [38]3 years ago
7 0
X² will be 7.5 i think the person who answered it below did a very good job congratulation 
You might be interested in
7.8 is 65% of what number
Natalka [10]
7.8 = 0.65x

x = 100/65 * 78/10

x = 10/5 * 6

x = 12
3 0
3 years ago
Help me with this question
mart [117]

Answer:

40 in.

Step-by-step explanation:

hope it helps

3 0
3 years ago
Which graph represents y=x+3?<br><br> Question 5 options:
Leno4ka [110]

Answer:

Option 2

Step-by-step explanation:

y=x+3 is a positive slope so the line going up to the right is a positive slope and the line passes through y-intercept at 3

4 0
3 years ago
Read 2 more answers
Given the function f(x) = 3x + 1, what is the value of f(9)
Aliun [14]

f(x) = 3x + 1

f(9) = 3(9) + 1

f(9) = 27 + 1

f(9) = 28

f(9) = 28. I hope this helps! I have a g00gle classroom where I help with algebra including this. If you are interested, please consider joining. I will post the class code in the comments if it would let me. Sorry it wouln't let me type g0ogle properly.

4 0
3 years ago
Read 2 more answers
Please help. If this isn't done by today i'm grounded :(
gladu [14]

Answer:

permeant

Step-by-step explanation:

Stroking with one pole of a permanent magnet works because it aligns the atoms in the nail to line up in the same polar direction, giving the nail a north and a south magnetic pole.

6 0
3 years ago
Other questions:
  • Find the student's error in solving the following
    11·2 answers
  • Which term is a perfect square of the root 3x4?
    9·2 answers
  • A dog weighs two pounds less than three times the weight of a cat. The dog also weights twenty-two more pounds than the cat. Wri
    5·1 answer
  • What is 1, 852 in expanded form
    11·2 answers
  • For Carolina's birthday her mom took her and her 4 friends to water park. Carolina's mom paid 40 dollars for 5 student tickets.
    6·1 answer
  • What percent is 60 is 42
    14·2 answers
  • 50 points please help
    5·2 answers
  • What am I doing sumbody please help
    10·1 answer
  • Part 2! Please help once again! This is confusing me since I've never been good at geo. :((
    6·1 answer
  • Which inequality is equivalent to 2/3 X-5 &lt; 11
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!