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
andrey2020 [161]
2 years ago
15

0=x^2+2x-11 solve by completing the square

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
6 0

Answer:

Below in bold.

Step-by-step explanation:

x^2 + 2x- 11 = 0

x^2 + 2x = 11

x^2 + 2x + 1 = 11 + 1

(x + 1)^2 = 12

x + 1 = ±√ 12

x = -1  ± √12

= -4.464, 2.464 to the nearest thousandth.

You might be interested in
Help would be appreciated!
charle [14.2K]
C)
10hrs will get around 105 salaries
90hrs get 840+105=945
95 hours get 945+(105/2)=997.5
100 hours get 945+105=1050
6 0
3 years ago
T object]user: what is the slope of a line that passes through (–4,–13) and (19,11)?
Ray Of Light [21]
<span>Slope is difference in "y" divided by difference in "x"
(–4,–13) (19,11)

slope = (-13 -11) / (-4, -19) = -24 / -23


</span>
8 0
3 years ago
Henry can write 5 1\4 pages of his novel in 3 hours.
Blababa [14]

Answer:

In 3 hours Henry can write 5 pages. So, In 1 hour Henry can write pages. Now, In 8 hours Henry can write pages. In 8 hours Henry can write 13.3 pages.

Step-by-step explanation:

4 0
3 years ago
:
yanalaym [24]

Answer:

It might be 414 miles per hour. Sorry, I don't have an explanation for now, SO SORRY!

4 0
3 years ago
What are the odds of choosing a red marble from a bag that contains two blue marbles, one green marble and four red marbles?
Alisiya [41]

Answer:

4:3

Step-by-step explanation:

You count up all the red marbles which equals 4 and put them on one side, then you add up all the rest of the marbles same color or not which equals 3 and put it on the other side of the 4

4 0
3 years ago
Other questions:
  • Which expression is equivalent to the radical expression shown below when it is simplified?
    10·1 answer
  • Imagine that you are buying a car and needed a loan for $20,000. Your interest rate is 5% and you want to pay it off in 6 years.
    13·1 answer
  • 13. Mr. Robinson is growing carrots in planters that has a width of 4 1/2
    8·1 answer
  • What is the slope and y-intercept of the following equation:<br> = 13 − 4 (show your work pls)
    15·1 answer
  • A camera has a listed price of $601.98 before tax. If the sales tax rate is 7.5%, find the total cost of the camera with sales t
    7·2 answers
  • 1. Solve the equation. Round to the nearest hundredth.
    13·2 answers
  • Farmers have learned how to grow watermelons
    15·1 answer
  • How do you do Inequalities o-o help meh pleaseeeeeeeeeee
    5·1 answer
  • Write an equation for the situation then solve for x. After paying $7 for a sandwich, John has $11. With how much money did he s
    14·1 answer
  • Point B (-5, 5) is reflected over the x-axis. Where is B'?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!