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
zheka24 [161]
3 years ago
12

Find all real and complex roots of the equation below x^4-81=0

Mathematics
1 answer:
Pepsi [2]3 years ago
8 0

x^4-81=0 \\ (x^2-9)(x^2+9)=0\\ (x-3)(x+3)(x^2+9)=0\\ x=3 \vee x=-3 \vee x=3i \vee x=-3i

You might be interested in
Graph the system of inequalities. Then use your graph to identify the point that represents a solution to the system. x > 4 y
8_murik_8 [283]
The first thing you should do in that case is to graph both lines.
 Once graphed you must see which region of the Cartesian plane they meet their respective inequalities.
 The solution of the inequation system is the shaded region shown.
 The point sought is
 P = (5, -2)
 answer
<span> (5, –2)</span>

7 0
3 years ago
Find the missing part of the right triangle
masya89 [10]
The missing part is the number
3 0
3 years ago
Read 2 more answers
Variable g is 8 more than variable w. Variable g is also 4 less than w. Which pair of equations best models the relationship bet
MrRa [10]
Given:
Variable g is 8 more than variable w. ⇒ g = w + 8
Variable g is also 4 less than w ⇒ g = w - 4

g = w + 8 or w = g - 8
g = w - 4 or w = g + 4

3 0
3 years ago
Read 2 more answers
mother divided the money among jan, jane and jello , in the ratio 4:9:6. If Jan got $200, find the total amount and money receiv
Kay [80]

Step-by-step explanation:

Let,

  • Money received by Jan = 4x
  • Money received by Jane = 9x
  • Money received by Jello = 6x

According to the question,

→ Money received by Jan = $200

→ 4x = $200

→ x = $200 ÷ 4

→ x = 50 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀… ( 1 )

Now,

→ Money received by Jane = 9x

→ Money received by Jane = 9($50)

→ <u>Money received by Jane = $450</u> [Ans]

And,

→ Money received by Jello = 6x

→ Money received by Jello = 6($50)

→ <u>Money received by Jello = $300</u> [Ans]

6 0
2 years ago
A bag contains ten tiles labeled B, C, D, E, F, G, H, I, J, and K. One tile will be randomly picked.
PSYCHO15rus [73]

Answer:

2/10

Step-by-step explanation:

2 of the letters are vowel:

E and I

6 0
3 years ago
Other questions:
  • What is the equation 9-x2=9
    13·1 answer
  • Solve the equation.
    10·2 answers
  • 74,137 rounded to the nearest thousands is
    12·1 answer
  • Complete the recursive formula of the arithmetic sequence -15, -11, -7...
    11·2 answers
  • What is the maximum number of possible solutions for the system shown below?
    13·1 answer
  • Help meeeeeeeeeeeeeeeeeeeeeeeeeee
    8·1 answer
  • 1/3 is equivalent to what percent
    11·2 answers
  • What’s expressions are equivalent to 4d + 6 + 2d ?
    12·2 answers
  • What is the estimated perimeter of an ellipse if the major axis has a length of 15 ft and the minor axis has a length of 7.5 ft?
    11·1 answer
  • Del contenido total de una lata de verduras de 220g,la masa drenada es de 110g. ¡Que fraccion representa la masa drenada del con
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!