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
Ad libitum [116K]
3 years ago
10

Simplify (a+1/a)^2-(a-1/a)^2​

Mathematics
1 answer:
scoray [572]3 years ago
4 0
Answer: 4/a

Explanation:
(a+1/a)^2 - (a-1/a)^2
= (a^2 + 2a + 1)/a^2 - (a^2 - 2a + 1)/a^2
= (a^2 + 2a + 1 - a^2 + 2a - 1)/a^2
= 4a/a^2
= 4/a
You might be interested in
Which ratio forms a proportion with 5: 15?<br><br> A: 10:20<br> B: 75:5<br> C: 3:1<br> D: 1:3
Lerok [7]

Answer:

D

Step-by-step explanation:

5/5 : 15/5

gives

1:3

......

4 0
3 years ago
Evaluate: 542 × 31
ryzh [129]

Answer:

<h2>C. 16,802</h2>

Step-by-step explanation:

h h h h h h h h h h

5 0
3 years ago
alex has a 48 mile trail first half of the time he was biking twice as fast as the second half of the time if he spent 4 hours o
Irina-Kira [14]

Answer:

16 mph

Step-by-step explanation:

Givens:

4 hours total time

48 miles total distance

So our equation should look like this.

48 = 2x(2) + x(2)

Where x = speed second half of trip.

x = 8

x*2 = 16 mph

4 0
3 years ago
Mr. Kramer's patio is in the shape of a trapezoid. The trapezoid and its dimensions are shown below. What is the area of the pat
BigorU [14]

Answer:

C 315

Step-by-step explanation:

(12 + 30) * 15/2 = 315

5 0
3 years ago
What is 4(1/50) as a decimal and a percent?
KIM [24]
402% as a percent and 4.02 as a decimal. Its Friday so sorry if im wrong
7 0
3 years ago
Read 2 more answers
Other questions:
  • You are downloading a song. The percent y (in decimal form) of megabytes remaining to download after x seconds is; y=-0.1x+1. If
    13·2 answers
  • I need help with 1-4
    10·1 answer
  • What is 1/2x-3y-4=0 written in standard form
    14·1 answer
  • How am I supposed to show my work on this problem ?
    11·2 answers
  • The luxury Swiss Chalet hotel general manager (GM) reported to her owner that the hotel's Occupancy Index for the calendar year
    8·1 answer
  • Please help!!!!!!!!!!!!!!
    9·1 answer
  • A nonhomogeneous equation and a particular solution are given. Find a general solution for the equation. y prime prime plus 9 y
    15·1 answer
  • Somebody please help me !!
    7·2 answers
  • And the inverse of f(x) = 3x²-5x+7 <br>​
    8·1 answer
  • If you deposit $16,000 per year for 12 years (each deposit is made at the end of each year) in an account that pays an annual in
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!