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
castortr0y [4]
3 years ago
9

Solve for x: x^2-2x=15

Mathematics
1 answer:
Lyrx [107]3 years ago
5 0

Answer:

<h2>x = 5 , x = -3</h2>

Step-by-step explanation:

x^2 - 2x = 15

x^2 - 2x - 15 = 15 - 15          (Subtract 15 from both sides.)

x^2 - 2x -15 = 0                   (Simplify.)

<em />

<em>Set up & solve for a quadratic formula</em>

<h3><em>* I will solve for your first x</em></h3>

2 + root 64 / 2x 1   =   2 + root 64 / 2

root 64 = 8

= 2 + 8 / 2

= 10 / 2

= 5

<em>To solve for the second, follow the same pattern/formula for the first that I used to get 5.</em>

You might be interested in
PLEASE HELP ASAP, I WILL MARK THE BRAINLIEST
dlinn [17]

Answer:

the answer is c now mark me brainliest please.

Step-by-step explanation:

all sides are congruent and it is a parallelogram.

8 0
3 years ago
[{(-72)÷(-2)}2-(-7)]x(-10)
mote1985 [20]

Answer:

-790

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If m∠EBD= 4x - 8 and m∠EBC= 5x + 20, find the value of x and m∠EBC.
coldgirl [10]

Answer:

-28 = x

Step-by-step explanation

[5x + 20] + [4x - 8] = 180

9x + 12 = 180

- 12 -12

______________

9x = 168

18⅔ = x

m∠EBC = 5[18⅔] + 20 = 113⅓

93⅓

You will get a negative answer if you set them equal to each other, which is not allowed when you are talking about <em>length</em><em>.</em>

I hope this is correct, and as always, I am joyous to assist anyone at any time.

4 0
2 years ago
Express 100,000 as a power of 10
Vedmedyk [2.9K]

Answer:

10^5

Step-by-step explanation:
10 multiplied by itself five times (10*10*10*10*10) is 100,000.

7 0
2 years ago
If a plane can travel 490 miles per hour with the wind and 430 miles per hour against the​ wind, find the speed of the wind and
zavuch27 [327]

let the speed of plane in still air be x and that wind be y

therefore:

x+y=490

x-y=390

next we solve for the values of x and y, first we add the above equations. This will give us:

2x=880

x=880/2

x=440 miles per hour.

substituting the value of x in one of the equations and solving for y we get:

440+y=490

y=490-440

y=50 miles per hour

7 0
3 years ago
Other questions:
  • 4 = m/3 - 1<br><br> What is m equal to?
    11·1 answer
  • The expression ''5 factorial" (5!) Equals
    15·1 answer
  • HELP ME PLEASE I BEG YOU!!!!!!!!!!
    9·1 answer
  • 2. Vanessa wants to model how a car's maintenance costs change as the distance someone drives the car increases. What would be a
    8·1 answer
  • Which what is the algebraic expression for nine less dense some number
    7·1 answer
  • A car whose acceleration is constant reaches a speed of
    9·2 answers
  • A restaurant had a coupon for $0.50 off a $6.00 meal. How much does the meal cost with the coupon? (THIS IS DUE TODAY PLEASE GIV
    6·1 answer
  • (Please need help )Cedrick traded his Halloween candy with his friends. He likes Snickers as his favorite
    5·1 answer
  • Tanya is a professional shopper and is always looking for the better deal. She was looking to purchase a new television and foun
    5·2 answers
  • Help fast !!! and please add explanation
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!