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
defon
3 years ago
9

What is 4xsquared minus 9 equals 0

Mathematics
2 answers:
topjm [15]3 years ago
8 0

Answer:

<h2>±3/2</h2>

Step-by-step explanation:

4x^2 - 9 = 0

4x^2 = 9

2x = 3

x = +-3/2

I'm always happy to help :)

g100num [7]3 years ago
7 0

Answer:

x  = ±3/2

Step-by-step explanation:

4x^2 - 9=0

Add 9 to each side

4x^2 -9+9 =0+9

4x^2 =9

Divide each side by 4

4x^2/4 = 9/4

x^2 = 9/4

Take the square root of each side

sqrt(x^2) = ±sqrt(9/4)

x  = ±sqrt(9)/sqrt(4)

x  = ±3/2

You might be interested in
Sophie can type 128 words in 3 minutes. How many minutes will it take her to type 576 words?​
Andrej [43]
Let’s first find the rate that she types at in wok.
128/3 = 42+2/3 words per minute.
Now divide 576 by the rate.
576/42.666= 13.5 minutes
7 0
3 years ago
Please answer number one as well as show your work thank you!
sveta [45]

√2 is irrational

a rational number Q can be expressed in the form \frac{a}{b} where a and b are integers.

- 18 = \frac{- 18}{1} ⇒ rational

\frac{2}{3} ⇒ rational

3.14 = \frac{314}{100} ⇒ rational

√2 = 1.414213562...... ⇒ irrational


8 0
3 years ago
What is the original price of ATV set if you paid 1035 for it after a 10% discount
oksano4ka [1.4K]

Answer:

$1150

Step-by-step explanation:

To be honest, this is the type of question I straight up solve in my head. Sorry for the no explanation.

5 0
3 years ago
Please!!!! HELP ME!! I give brainlyest!!! are u my friend? The table below models the cost, y, of using a high-efficiency washin
horsena [70]

Answer:

y= 25x+500

y=30x+400

20

standard machine

Step-by-step explanation:

just did it on edge!! :D

5 0
3 years ago
This supply graph shows the supply of video games
Andrews [41]
The correct answer is 300
8 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the equation<br>algebra 2<br><br>-6=3x-6y<br>4x=4+5x
    12·1 answer
  • Can someone please help me with my work
    9·1 answer
  • Consider the graphs of f(x) = 5 sin (2x-
    14·1 answer
  • You ride your bike to campus a distance of 6 miles and return home on the same route. Going to​ campus, you ride mostly downhill
    11·2 answers
  • Gasoline costs $2.79 per gallon Is the number of gallons proportional to the total cost
    9·1 answer
  • You are designing a rectangular poster to contain 7575 in2 of printing with a 33​-in margin at the top and bottom and a 11​-in m
    13·1 answer
  • Area of square = 9 mm2<br> Perimeter of square=
    15·2 answers
  • PLEASE HELP ME WITH THIS!
    8·1 answer
  • Need this real quick, please.
    13·2 answers
  • Two variables are said to be negatively associated if
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!