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
vfiekz [6]
3 years ago
10

(4x-1)(4x+1)-3=15x^2

Mathematics
1 answer:
algol133 years ago
8 0
(16x^2+4x-4x-1)-3=15x^2
16x^2-1-3=15x^2
16x^2-4=15x^2
X^2=4
X=+or-2
You might be interested in
List all prime fractors of the composite number 50
Misha Larkins [42]
The factors of 50 are 1, 2, 5, 10, 25 and 50.<span> The factors of a number can be found by determining which numbers evenly divide into a given number.</span>
3 0
3 years ago
Zane each one eighth of a pizza later he is a half of the same Pizza to eat more the first time or the second time
Katyanochek1 [597]
Second time. hope this helped
3 0
3 years ago
Sandra wants to buy a dress that is on sale for 20% off. Sandra also gets a 5% discount for being a member of the store's buyer'
Paraphin [41]
0.25c - that’s 25% off the cost (c) of the dress
7 0
3 years ago
If the Revenue for the week is $2000, and labor cost consists of two workers earning $8 per hour who work 40 hours each, what is
Hatshy [7]
2 workers, each 8 per hour, for 40hrs a week, so one earns 8 * 40, or 320 bucks, is two workers, so 320 + 320 or 640 bucks

if 2000 is the 100%, how much is 640 in percentage off of it?

well   \bf \begin{array}{ccllll}&#10;amount&\%\\&#10;\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\&#10;2000&100\\ 640&x&#10;\end{array}\implies \cfrac{2000}{640}=\cfrac{100}{x}

solve for "x"
7 0
3 years ago
Read 2 more answers
Describe the function over each part of its domain. State whether it is constant, increasing, or decreasing, and state the slope
vivado [14]

The function is illustrated below based on the information.

<h3>How to describe the function?</h3>

When x <= 8000

The cost remains constant at 0.35 when x increases from 0 to 8000. The slope of the cost function over this part is 0

When 8000 < x <= 20000

The cost remains constant at 0.75 when x increases from 8000 to 20000 and the slope of the cost function over this part is 0.

Learn more about functions on:

brainly.com/question/25638609

#SPJ1

5 0
2 years ago
Other questions:
  • a 45 foot tall lighthouse located in fajardo, puerto rico a tourist sights two boats coming into a coastline, one behind the oth
    13·1 answer
  • For the function h(x) =3x/(x+5)(x-4), solve the equation.​
    5·1 answer
  • An electrician charges $45 per hour plus a fixed charge of $30
    14·1 answer
  • Find x in this proportion. 5/2x = 25/4 x=
    13·1 answer
  • 3/7 of a children's choir are boys, if there are 12 boys in the choir. How many children in total are in the choir?
    13·1 answer
  • Please help ...........​
    5·1 answer
  • The variable in a relation who’s value depends on the value of the independent variable is called what?
    12·1 answer
  • a spinner is divided into eight equal parts numbered 1 to 8. if the spinner is spun once, what is the probability that it stops
    13·2 answers
  • Some one help i will be posting other ones to
    6·1 answer
  • Kit charges customers an initial fee plus a certain amount per hour to walk their pets. The table below shows the amount of mone
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!