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
Anni [7]
3 years ago
7

What are the solutions of the equation (2x + 3)^2 + 8(2x + 3) + 11 = 0? Use u substitution and the quadratic formula to solve.

Mathematics
2 answers:
iris [78.8K]3 years ago
7 0
U=2x+3, x=u/2-3/2
u^2+8u+11=0
u1=(-8+sqrt(64-44))/2=-4+sqrt(5)
u2=-4-sqrt(5)
x1=u1/2-3/2=-7/2+sqrt(5)/2
x2=u2-3/2=-7/2-sqrt(5)/2

Dafna11 [192]3 years ago
7 0

Answer:

x=-7+/5 /2

Step-by-step explanation:

You might be interested in
36 out of 60 percentage
Leya [2.2K]

Answer:

the answer is 60%

Step-by-step explanation:

36/60=3/5

3/5= 0.6

0.6 x 100=60%

3 0
3 years ago
Need your help asap trying to get 100%
marta [7]

Answer:

if he sells 12 every 8 months, supposing the trend continues, in 34 months he’ll sell...

12(properties) = 8 months

12/8 = 1 month

1 month = 1.5(properties)

2 months = 3 properties

(since 1.5 properties is unrealistic, but it helps in the math, to find for one month)

so for 34 months he’ll sell...

1.5*34 = 51 properties

4 0
3 years ago
Please help I will reward brainly
aalyn [17]
P(heads, and even and blue) = 1/2 *3/6 *1/4=1/2*1/2*1/4=1/16

P(heads, and 5, and green) = 1/2*1/6*1/4=1/48

P((heads or tail), and odd, and red)= (1/2+1/2)*3/6*1/4=1*1/2*1/4 = 1/8

 P((heads or tail), and 3, and yellow)= (1/2+1/2)*1/6*1/4=1*1/6*1/4=1/24

P(tails, and prime, and not green) = 1/2 *3/6*3/4= 1/2*1/2*3/4=3/16
(Prime numbers here are 2,3 and 5)
7 0
3 years ago
pls pls pls, I beg you to answer this question only if you know the correct answer please please please I beg you
goldfiish [28.3K]

Answer:

36 cubic feet

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
I need one cup of milk, what is the best choice at the store - a quart, a pint or a 1/2 gal container?
Anna007 [38]
A quart because it is the smallest container which is closest to one cup
8 0
3 years ago
Read 2 more answers
Other questions:
  • Traders joes sold 7981 bags of tortilla chips recently. If 1178 of these bags were fat free find the percent that were fat free.
    6·1 answer
  • What is the quotient of 2 1/4 and 5/8
    5·2 answers
  • HELP ASAPP! WILL MARK BRAINLIST I DONT HAVE ENOUGH TIME LEFT!! LOTTA POINTS
    13·2 answers
  • The gravitational force exerted by the planet Earth on a unit mass at a distance r from the center of the planet is:
    14·1 answer
  • What is 78 in scientific notation
    8·1 answer
  • Quadrilateral ABCD is a square with diagonals that intersect at point E. Find angle ADB. A. 11.25º B. 22.5º C. 45º D. 90º
    9·2 answers
  • 4e+7e+5 what would be the coeffients
    11·2 answers
  • Please help with math problem​
    10·1 answer
  • SOMEONE PLZZZ ANSWER THIS IM VERY BAD AT THIS!!
    14·1 answer
  • What are the first two steps in solving the radical equation below?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!