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
Drupady [299]
3 years ago
15

What is the value of the discriminant, b2-4ac, for the quadratic equation 0=x^2-4x+5, and what does it mean about the number of

real solutions the equation has

Mathematics
1 answer:
Anettt [7]3 years ago
6 0

Answer:

-4, no real solutions

Step-by-step explanation:

b^2 is 16 since b is -4

4ac = 4*1*5 = 20

16 - 20 is -4

no real solutions since you cant get the squareroot out of a negative number (at least not real numbers)

You might be interested in
Please help me now plz <br> I will mark you brainliest
Sphinxa [80]

Answer:

theta = 24.4 degrees

Step-by-step explanation:

This is a right triangle.

sin theta = opp/ hyp

sin theta = 33/80

Take the inverse of each side

sin^-1 sin(theta) = sin^-1 (33/80)

theta =24.36197794

To the nearest tenth

theta = 24.4 degrees

5 0
3 years ago
Can you solve the equation?
Andreas93 [3]

Answer:

x=3 and 9

Step-by-step explanation:

; x-3=0

x=3 (change side change mark)

and

\frac{2}{3} x - 6 = 0

\frac{2}{3} x = 6

x = 6 \times  \frac{3}{2}

change side change mark.

So, x=9

If u wanna check the answer you can check by substitution x=3 and 9 in equation.

hope it helps you ☺️

3 0
3 years ago
Help!!!!!!!! Please
kvv77 [185]
The answer is C

Hope it helped
5 0
4 years ago
Find the equation of the line.<br> Use exact number .<br><br> Y =____x+____
Elanso [62]
Y= -1/3x+5
the y-intercept is 5 and the slope is -1/3
4 0
3 years ago
On average, water flows over a particular water fall at a rate of 2.08 x 105 cubic feet per second. One cubic foot of water weig
34kurt

Answer:

  5.61×10^8 ton/day

Step-by-step explanation:

  (2.08×10^5 ft³/s)·(8.64×10^4 s/day)·(6.24×10^1 lb/ft³)/(2×10^3 lb/ton)

  = (2.08·8.64·6.24/2)×10^(5+4+1-3) ton/day

  ≈ 56.07×10^7 ton/day

  ≈ 5.61×10^8 ton/day

_____

We have expressed the answer using 3 significant digits, to match the precision of the rate and weight.

4 0
4 years ago
Other questions:
  • In the spring, the height of a vine was 25 inches. In the fall, the height of the vine was 140 inches. What was the percent of i
    10·2 answers
  • Find X <br> Plz I'm on a hurry
    10·1 answer
  • Write the fraction or decimal as a percent #1. 0.622 ,#2. 0.303 #3. 2.45
    5·1 answer
  • Sin(x) = 1/7<br> A.3.2<br> B.8.2<br> C.12.4<br> D.14.3
    14·2 answers
  • In triangle FGH, the measure of angle F=42 and an exterior angle at vertex H has a measure of 104. what is the measure of angle
    11·1 answer
  • (8) In 10 years, Maria will be 39 years old. Let m represent Maria's age today. Which
    13·2 answers
  • What is the area of the parallelogram plotted in the Coordinate Plan in square units? (Only include value! Don't include the wor
    11·1 answer
  • Please help please!!!!!!!!!
    12·1 answer
  • What is the measurement of A, B, C, D, W, X , Y and Z <br> please help !
    7·1 answer
  • Help, I need it by 9:00 am
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!