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
LUCKY_DIMON [66]
3 years ago
7

IM AM SO CONFUSED

Mathematics
1 answer:
Semenov [28]3 years ago
6 0

Hello,

Answer (1/2,-1/4)

8x^2-2x-1=0\\\\8x^2-4x+2x-1=0\\\\4x(2x-1)+2x-1=0\\\\(2x-1)(4x+1)=0\\\\sol=\{\dfrac{1}{2} ,-\dfrac{1}{4} \}\\

You might be interested in
What is the value of 3(4x+5y) - 2(7x-3y) when x = -2 and y = 3
Shkiper50 [21]

Answer:

67

Step-by-step explanation:

Subsitute both given values into the equation then continue to simplify the equation

3(4(-2)+5(3)) -2(7(-2)-3(3))

3(-8+15) -2(-14-9)

3(7) -2(-23)

21 +46

67

6 0
3 years ago
Read 2 more answers
Tell which equation you would use to isolate a variable in order to solve the system using substitution. Explain your reasoning.
vampirchik [111]
2x+y=-10
Multiply both side by 3
2x*3+y*3=-10*3
6x+3y=-30

3x-y=0
Multiply both side by 2
3x*2-y*2=0*2
6x-2y=0
Next, use substitute property
6x+3y=-30
    -
6x-2y=0
    =
y=-30
3x-y=0
Substitute y with -30
3x-30=0
Add 30 to each side
3x-30+30=0+30
3x=30
Divided both side by 3
3x/3=30/3
x=10, so the solution pair is (10,-30). In this case, there is the first way to solve these two equation.
Then, I would use equation 3x+1.5y=-15 in this question by multiply 2x+y=-10 by multiplying both side by 3/2 to eliminate x and to solve variables for y. Hope it help!
3 0
3 years ago
Is 45 a multiple of 4? Explain your answer Lmk ASAP
arsen [322]
No 45 is a multiple for 5
6 0
3 years ago
Read 2 more answers
I need help please!!!
galben [10]

Answer:

Y= 3

Step-by-step explanation:

When the line hits - 1

The y axis shows that its 3

3 0
3 years ago
Please help thank you.
ki77a [65]
Hello!

Let O be the center of the sphere, A the tangency point and B the location of the satellite.

m<ABO = 1/2m(b) = 1/2 * 138 = 69

m<OAB = 90

m<AOB = 180 - 90 - 69 = 21

21 * 2 = 42

The answer is 42°

Hope this helps!
7 0
3 years ago
Other questions:
  • If p is true and q is false, then p ∧ ~q is true.
    12·1 answer
  • Which of the following is equal to the square root of the cube root of 6 ?
    10·2 answers
  • Joelle was walking in the park and saw a flock of 5362 birds flying .how many total wings were in the flock
    15·2 answers
  • After 12% the cost of a new cooler is £190.40 work out the original price
    9·2 answers
  • What’s -4/5 divided by 2
    10·2 answers
  • Please help, im stuck. ​
    12·1 answer
  • Please help it's due today. Also if you don't know please don't answer.​
    10·2 answers
  • Please help it asks: the graph below represents which of the following functions
    7·1 answer
  • FACTORIZE :- <br> 3x³y( x-3y ) - 7x²y² ( x-3y )​
    14·1 answer
  • A small company has 6 employees with associate degrees, 2 employees with bachelor's degrees, and 8 employees with master's degre
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!