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
Alborosie
3 years ago
6

Use the quadratic formula to find the solution to the question 3x^2-10x+5=0

Mathematics
1 answer:
nlexa [21]3 years ago
3 0

Answer:

x_{1}  = \frac{5 + \sqrt{10} }{3}  and x_{2} = \frac{5 - \sqrt{10} }{3}

Step-by-step explanation:

3x^2-10x+5=0

x_{1} = \frac{10 + \sqrt{10^{2}-4*3*5 } }{2*3}                  x_{2} = \frac{10 - \sqrt{10^{2}-4*3*5 } }{2*3}

x_{1} = \frac{10 + \sqrt{100-60} }{6}                      x_{2} = \frac{10 - \sqrt{100-60} }{6}

x_{1} = \frac{10 + \sqrt{40} }{6}                            x_{2} = \frac{10 - \sqrt{40} }{6}

x_{1} = \frac{10 + 2\sqrt{10} }{6}  / 2                    x_{2} = \frac{10 - 2\sqrt{10} }{6}  / 2

x_{1}  = \frac{5 + \sqrt{10} }{3}                             x_{2} = \frac{5 - \sqrt{10} }{3}

You might be interested in
1. 18 = -6/7h<br><br> 2. -3/4x = 21/8x<br><br> 3. -1/2z = 5/12
Harrizon [31]

Answer:

Don't understand the question

Step-by-step explanation:

5 0
2 years ago
DOES ANYONE USE THIS APP? <br>I NEED HELP​
Sergio039 [100]

Answer:

You can determine the root of the equation by multiple methods. However, that answer is correct. The root is -2.

Step-by-step explanation:

A root is where the graph crosses the x-axis. One trick I use to see if it is a root is by taking the numerator and plugging in the number for x. For example, \frac{x+2}{x^{2} -2}, and take the -2 and plug it in for x. The numerator would cancel out because -2 + 2 = 0. That is the way you can determine if it is a root or not.

I hope this helps, if you need any clarification let me know :)

3 0
3 years ago
Read 2 more answers
Estimate and solve 4,624 ÷ 72 = ________. (2 points)<br> 66 r 22<br> 66 r 16<br> 64 r 22<br> 64 r 16
umka21 [38]
The answer is C. 64 r 22
8 0
2 years ago
10) Colleen paid $19.85 per hour for tennis lessons for 3 hours of instruction. If she gave
dmitriy555 [2]

Answer:

40.15$

Step-by-step explanation:

subtract 20 from 60, you get 40. then add the 0.15 back. bam! 40.15$. hope this helped!! ^___^

8 0
3 years ago
A tap can fill a bucket in 6 hours. After half the bucket is filled, three more similar taps are opened. What is the total time
777dan777 [17]

The total time taken to fill the bucket completely is 3 hours 45 minutes

The time taken to fill the bucket by one tap= 6 hours

Then the time take by one tap to fill half of the bucket= 3 hours

Part filled by one tap in one hour =\frac{1}{6}

Part filled by four taps in one hour =4(\frac{1}{6})=\frac{4}{6}=\frac{2}{3}

Given, that after half the bucket is filled, three more similar taps are opened

Then the remaining part = 1-\frac{1}{2}=\frac{1}{2}

Time taken to fill the half of the bucket= (\frac{1}{2} )(\frac{2}{3})=\frac{3}{4} hours

Convert the hours to minutes

(\frac{3}{4})60=45 minutes

Therefore,

Total time taken to fill the bucket= The time taken by one tap to fill half of the bucket+  Time taken by 4 taps to fill the half of the bucket

=3 hours+ 45 minutes

=3 hours 45 minutes

Hence, The total time taken to fill the bucket completely is 3 hours 45 minutes

Learn more about time here

brainly.com/question/28050940

#SPJ4

8 0
2 years ago
Other questions:
  • Polynomial long division
    10·1 answer
  • Suppose you got 8 mangoes and 3 apples for $18 and 3 mangoes and 5 apples for $14.50.
    5·1 answer
  • PLEASE HELP ME WITH THIS QUESTION.
    9·1 answer
  • (-532 + 41 – 2) + (-82² + 25 + 1) =
    9·1 answer
  • Nicole wants to buy a pair of jeans. The original cost of the jeans is $42.50 and he markup is 10 percent. How much will she hav
    8·1 answer
  • 3 root 5c*root 15c^3
    7·1 answer
  • I need help and really appreciate it if someone could help
    11·1 answer
  • Help me :( .........
    9·2 answers
  • Which of the following values are in the range of the function graphed below?
    7·1 answer
  • Liam says -() is equivalent to 2. Explain if Liam is correct by completing the
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!