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
oee [108]
3 years ago
11

Please help! I will give brainliest!

Mathematics
1 answer:
Lunna [17]3 years ago
3 0

Answer:

2nd option

Step-by-step explanation:

trinomial is 2x² + 10x -4 = 0

a = 2

b = 10

c = -4

(-b±√b²-4ac) / 2a

= [-10±√100-4(2)(-4)] / 2

= (-10±2\sqrt{33}) / 4

= (-5+\sqrt{33})/2, = (-5-\sqrt{33})/2  (simplified)

You might be interested in
Which solve the problem correctly <br> PLEASE HELP:p<br> 30 POINTS?!!
Drupady [299]

Answer: :( incorrect :( :( :( :(  = (

                                           

Step-by-step explanation:

3 0
3 years ago
Find the value of x in the triangle shown below.<br> 13<br> 5<br> х
katen-ka-za [31]

Answer:

x=12

Step-by-step explanation:

This is a right triangle, so the Pythagorean theorem can be used. The Pythagorean theorem states that C^2=a^2+b^2 where C is the hypotenuse and a and b are legs. In this question, we are given a and C. So, plugin 13 for C and 5 for a and solve for b. Once you rearrange the equation you get, b=\sqrt{13^2-5^2}. Next, solve what is under the root to get, b=\sqrt{144}. Finally, square root 144 for the final answer b=12.

3 0
2 years ago
Read 2 more answers
Maths <br>what is a meaning of Indian system and international system ​
Zina [86]

Step-by-step explanation:

That's the system of numbering in indian system it is like thousand lakh ten.lakh crores and in international it is thousand ten thousand and hundred thousand and million

7 0
3 years ago
Read 2 more answers
a brand of cereal had 1.2 milligrams of iron per serving. then they changed their recipe so they had had 1.8 mg of iron per serv
olya-2409 [2.1K]
To get the percent of increase, we will follow these steps:
1- get the difference between the two numbers:
difference = 1.8 - 1.2 = 0.6
2- divide the difference from step one by the original number (the number before the increase) and then multiply the quotient by 100 to get the percent as follows:
% of increase = (0.6 / 1.2) * 100 = 50%

Based on the above calculations, the percent of increase in the amount of iron is 50%
3 0
3 years ago
Read 2 more answers
Understanding Transversals<br> Use the diagram to complete the statements. (please helpp)
Semenov [28]

Answer:

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • -6+3y=12 solve for x
    6·1 answer
  • 5 Jean owns a craft store. The protective safeguards endorsement of her BOP requires the store to have a functional automatic sp
    15·1 answer
  • BRAINLIESTTT ASAP! PLEASE HELP ME :)
    13·1 answer
  • Rewrite -360 degrees in radians
    12·1 answer
  • Factor <img src="https://tex.z-dn.net/?f=x%5E2-2x%2B3" id="TexFormula1" title="x^2-2x+3" alt="x^2-2x+3" align="absmiddle" class=
    8·2 answers
  • Algebraic Expressions
    5·1 answer
  • Will give brainliest m^2= -7m + 6
    13·2 answers
  • A convenience store purchased a magazine and marked it up 100% from the original cost of $2.30. A week later, the store placed t
    11·2 answers
  • Show me how to solve .384-.3798
    5·1 answer
  • Why does a rectangle with different side lengths have only 2 lines of symmetry?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!