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
NemiM [27]
2 years ago
6

Please Help! Show how to solve 8x^2+14x+5=0 by completing the square.

Mathematics
1 answer:
Kisachek [45]2 years ago
3 0
X=12                          cause i looked it up online
You might be interested in
What is the first step in solving this system of equations by elimination? 5a + 3b = –9 2a – 5b = –16
Elis [28]
<span>Multiply one of the equations so that both equations share a common complementary coefficient.
       In order to solve using the elimination method, you need to have a matching coefficient that will cancel out a variable when you add the equations together. For the 2 equations given, you have a huge number of choices. I'll just mention a few of them.
   You can multiply the 1st equation by -2/5 to allow cancelling the a term.
   You can multiply the 1st equation by 5/3 to allow cancelling the b term.
   You can multiply the 2nd equation by -2.5 to allow cancelling the a term. You can multiply the 2nd equation by 3/5 to allow cancelling the b term.
   You can even multiply both equations.
For instance, multiply the 1st equation by 5 and the second by 3. And in fact, let's do that. 5a + 3b = –9 2a – 5b = –16 5*(5a + 3b = -9) = 25a + 15b = -45
   3*(2a - 5b = -16) = 6a - 15b = -48
       Then add the equations 25a + 15b = -45
   6a - 15b = -48
   =
   31a = -93
   a = -3
       And then plug in the discovered value of a into one of the original equations and solve for b.</span>
5 0
3 years ago
What is the opposite of 4
horsena [70]
Negative 4 or -4 is the answer
8 0
2 years ago
Mating eagle pairs typically have two baby eagles (called eaglets). When there are two eaglets, the parents always feed the olde
My name is Ann [436]

Answer:

C. x 0 1 2 p(x) 0.35 0.60 0.05

Step-by-step explanation:

50% chance of survival

Let:

x = older eaglet survive

y = younger eaglet survive

Hence,

P(x = 0) (none of the eaglet survive)

P(x = 1) (only one survive)

P(x = 2) (both survive)

P(x) = 0.5

P(x') = 1 - 0.5 = 0.5

P(x n y) = 0.5 * 0.1 = 0.05 ( both survive)

P(only one survive)

P(y n x') + p(y' n x)

(0.5 * 0.3) + (0.5 * (1 - 0.1))

0.15 + 0.45 = 0.6

P(none survives)

1 - (0.60 + 0.05)

= 0.35

X _______ 0 ______ 1 ______ 2

P(x) ____ 0.35 ____ 0.60 ___ 0.05

5 0
2 years ago
What is the value of x?<br> 26°<br> x =<br> = [?]
OlgaM077 [116]

Answer:

<h2><u>154°</u></h2>

Step-by-step explanation:

The central angle and the angle between the tangents are supplementary, so

x + 26° = 180° ( subtract 26° from both sides )

26 - 26 = 0

180 - 26 = <u>154</u>

x = <u>154°</u>

6 0
3 years ago
What is the 13 term of the geometric sequence whit this explicit formula an=3•(-2)(n-1)
Orlov [11]

Answer:

12,288

Step-by-step explanation:

aₙ = 3 (-2)ⁿ⁻¹

a₁₃ = 3 (-2)¹³⁻¹

a₁₃ = 12,288

3 0
2 years ago
Other questions:
  • What is the surface area of this rectangular prism? Rectangular prism with length labeled 11 feet, height labeled 2 feet, and wi
    8·1 answer
  • Please help me ?????
    7·1 answer
  • What is 8/32 times 14/21?
    14·1 answer
  • Uma escola tem 25 professores Dos quais 24% Ensinam matemática. quantos professores ensino matemática nessa escola ?
    12·1 answer
  • Lola (from the Loud House) has two coins.
    6·2 answers
  • What is the answer to $(x+4)(x^2+3x+2)=
    12·2 answers
  • Jacob made a scale drawing of the auditorium. The scale of the drawing was 3 inches : 2 feet. If the stage is 45 inches in the d
    6·2 answers
  • 3) help with easy math equation
    6·2 answers
  • Guysss does anybody know thissss I’m confused
    5·2 answers
  • Use PEMDAS to evaluate the expression 24 ÷ 3 + 6 x 4 − 11. 19 21 22 24<br> asap
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!