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
goldfiish [28.3K]
2 years ago
9

HELPPPPPPPPP i have the most trouble with math what’s the answer??

Mathematics
1 answer:
lakkis [162]2 years ago
6 0

Answer:

Second Option

\frac{5\sqrt{11} +5\sqrt{3}}{8}

Step-by-step explanation:

To simplify the expression you must multiply the numerator and the denominator of the fraction by the conjugate of the denominator.

If you have an expression of the form

a -b then its conjugate will be a + b.

The result of that multiplication will be

a ^ 2 -b ^ 2

Therefore we have the expression

\frac{5}{\sqrt{11} -\sqrt{3}}

By multiplying by the conjugate of the denominator we have

\frac{5}{\sqrt{11} -\sqrt{3}}*\frac{\sqrt{11} +\sqrt{3}}{\sqrt{11} +\sqrt{3}}\\\\\\\frac{5(\sqrt{11} +\sqrt{3})}{(\sqrt{11})^2 -(\sqrt{3})^2}\\\\\\\frac{5\sqrt{11} +5\sqrt{3}}{11 -3}\\\\\\\frac{5\sqrt{11} +5\sqrt{3}}{8}

You might be interested in
The following are two sets of class scores (you may consider these scores to be normally distributed). Julia received the two sc
Pachacha [2.7K]
Find the average of all the tests on the first and second test. You find the average by adding up all the test scores and dividing it by the number of test scores you added. Then you can see if she did better than the overal average on each of the tests
3 0
3 years ago
The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than a certain number of inches
Georgia [21]
So the “certain number” will be S.
Since 2width + 2length, the first part would be 2 times 2 which is 4
The length is S - 3
We then have to multiply this by 2
So it is 2(S-3) which is 2S-6
So the answer is 4+2S-6 which is 2S-2
8 0
3 years ago
Simplify 4x5p:)<br> thanks whoever answers receives points
bazaltina [42]

Answer:

20xp

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
15. Oscar wants to rent a boat. The rental shop charges and initial fee of $12 plus $8 per hour to rent the boat. Write a equati
lbvjy [14]
C=8h+12
the 8h represents the $8 per hour for renting the boat, and h represents however many hours you rent the boat for.  The +12 is the initial $12 fee.  This is in slope intercept form, just using different variables than y=mx+b
5 0
3 years ago
Does anyone know how to do this i need help please?
iVinArrow [24]

Answer:

Step-by-step explanation:

Do the x-axis then the y-axes thats all i know sorry if i could not help that much

4 0
3 years ago
Other questions:
  • “”A tower has a revolving restaurant 840 feet above the ground. The restaurant makes a complete
    12·2 answers
  • Cassandra earns $40 per day in her first job and d dollars per day in her second job.
    15·1 answer
  • On a number line what is the distance between −61.5 and -23.4
    7·1 answer
  • Bus A and Bus B leave the bus depot at 5 pm. Bus A takes 30 minutes to complete its route once and bus B takes 35 minutes to com
    8·1 answer
  • Complete the statements to find 8 divided by 0.01
    6·1 answer
  • The number 5/3 can be best described as a(n) _____. proper fraction improper fraction mixed number
    9·2 answers
  • Pleaseeeeeee helppppppppp
    7·1 answer
  • Which of the the following fractions is not equivalent to 1/4
    11·1 answer
  • After working for 6 hours, Kevin earned $51.00. What is Kevin's unit rate.
    5·2 answers
  • Can someone please<br> Help
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!