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
____ [38]
3 years ago
10

What is the discriminant of 4n^2 - 7n +2 = 0?

Mathematics
1 answer:
Marina86 [1]3 years ago
3 0
The discriminant is 2
You might be interested in
Adiya said that the first step to solving the quadratic equation x2 + 6 = 20x by completing the square was to divide 6 by 2, squ
Anit [1.1K]
No, actually the method is not correct. Adiya needed to take x2 and subtract it from 20x. she would then get 6 = 18x. Have in mind also that she needed to divide 18. So 6 = 18x turns into 6=X. That is why is incorrect
7 0
3 years ago
Read 2 more answers
Sklyer has 15 less than twice as many customers as when she started selling newspapers. She now has 155 customers. How many did
arlik [135]
155 = 2x -15
170 = 2x
85 = x

She had 85 when she first started. 

8 0
3 years ago
Read 2 more answers
The Reel Good Cinema is conducting a mathematical study. In its theater, there are 200 seats. Adult tickets cost $12.50 and chil
Vlada [557]
If the goal is to sell at least $1500 worth of tickets then what you can do is add the 12.50+ 6.25 which well equal 18.75. Then you can divide 1500/18.75 which eqauls to 80 meaning at least 80 seats must be sold
3 0
3 years ago
Solve for x<br> x = 5<br> x = 18<br> x= 30°<br> x = 36
Norma-Jean [14]

Answer:

x=36

Step-by-step explanation:

5x=180

x=180/5=36

8 0
3 years ago
The sum of two numbers is twice their difference. the larger number is 2 more than twice the smaller. find the numbers. smaller
MatroZZZ [7]
X+y=2(x-y)
x+y=2x-2y
3y=x
x-2y=2
then,substitute
(3y)-2y=2
y=2
so,x=3(2)
x=6
x the largest
y the smallest

6 0
3 years ago
Other questions:
  • Can someone help me figure out how I’m supposed to fill the table out? Thanks! ;D
    9·1 answer
  • Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = 6x3 ? 9x2 ? 108x + 2, [?3, 4]
    5·1 answer
  • Can anyone please help me solve for x? Thank you!
    12·2 answers
  • What is the area of a trapezoid with height 5m and bases 8m and 1m.
    13·2 answers
  • What is the common denominator for 14/25 and 10/21
    6·1 answer
  • What is 5 1/6 minus 1 1/3
    7·1 answer
  • 10.) 1 and 2 in this diagram are___
    6·1 answer
  • What is the quotient of 144 and 12? *
    12·1 answer
  • True or False: Cold air is more dense than warm air, causing it to sink and hover near the ground.
    5·1 answer
  • What are all the steps to solving a Quadratic Formula? (steps please)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!