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
Anvisha [2.4K]
3 years ago
5

If x=3+2root2,find the value of xsquare+1/xsquare​

Mathematics
1 answer:
shutvik [7]3 years ago
4 0

Answer:

34.

Step-by-step explanation:

x = 3 + 2√2

x^2 = (3+2√)^2

=  9 + 8 + 12√2

= 17 + 12√2

x^2 + 1 /x^2

= (17 + 12√2)^2 +  (1 / (17 + 12√2)

= 34.

You might be interested in
What an equivalent expression for 48 + 18x
FromTheMoon [43]

Answer:

6(8+3x)

Step-by-step explanation:

48+18x

We can factor out an 6 from each term in the expression

6(8+3x)

7 0
3 years ago
Read 2 more answers
Pls help or i will get an F<br> one easy question
Ne4ueva [31]

Answer:

p = 5.88/3 –.75

The original be price was $1.21 per lb pound

Step-by-step explanation:

To find the new price per pound, divide 5.88 by 3.

Then subtract .75 from the new be price to find the original price.

5.88/3 = 1.96

1.96 –.75 = 1.21

3 0
2 years ago
Jeremy has 3 pounds of ground beef to make hamburgers. How many 13-pound hamburgers can he make? 12 9 6 1
Law Incorporation [45]

Answer: 9

Step-by-step explanation:

6 0
3 years ago
How much would $300 invested at 7% interest compounded continuously be worth after 4 years? Round your answer to the nearest cen
Firlakuza [10]

Answer:

8400 cents

Step-by-step explanation:

SI=P×T×R

100

300×4×7

100

=$84

=8400 cents

6 0
3 years ago
Read 2 more answers
Transform the equation to isolate x: ax = bx + 1. How is the value of x related to the difference of a and b? The equation ax =
butalik [34]

Answer:Transform the equation to isolate x: ax = bx + 1. How is the value of x related to the difference of a and b

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • Please help...........................................
    6·2 answers
  • What is the s plop of the line passes through the points (-2,15) and (-8,-5) show your work,
    14·1 answer
  • What is the measurement of y​
    10·2 answers
  • Solve the equation for the indicated variable<br><br> dfg=h; f
    13·1 answer
  • PLZ HELP ASAP GEOMETRY
    6·1 answer
  • 14. Emma is building a scale model of a jet airplane. The real airplane has a wingspan of 200 feet and a length of 240 feet.
    7·1 answer
  • How much do you need to subtract from 87/10 to make 8
    7·2 answers
  • Make a table as y=x^2.
    8·1 answer
  • 1 The vertices of 3 squares are joined to form a right triangle. What is the area of the largest square?
    7·1 answer
  • 6(7-5) jkwjwjnwnwnnenenenenenne
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!