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
sleet_krkn [62]
3 years ago
15

Given the equation −4Square root of x minus 3 = 12, solve for x and identify if it is an extraneous solution.

Mathematics
2 answers:
Darina [25.2K]3 years ago
4 0

Answer:

There is no solution for the given radical equation.

x = 225/16 is an extraneous solution.

Step-by-step explanation:

The given equation is  

Add 3 to both sides of the equation

Squaring both sides

Divide both sides by 16

Substituting back the value of x in original equation to check the extraneous solution.

 

Since -18≠ 12. Hence, the value of x does not satisfy the equation.

Therefore, x = 225/16 is an extraneous solution.

Step-by-step explanation:

zhannawk [14.2K]3 years ago
4 0

Answer:

yes i do have the answer i wat you to up the points

You might be interested in
Help. I will be guessing on this, but I want to make sure this is on here so no one has to guess like I am. Help a brother out
GaryK [48]

Answer:

Line 3

Step-by-step explanation:

→ Calculate gradient

\frac{6-3}{4-2} =1.5

7 0
3 years ago
Read 2 more answers
I need help! This pattern repeats every 4 terms. The pattern is square, hexagon, trapezoid, triangle. What is the shape in the 7
alina1380 [7]
<h3>Answer:  Trapezoid</h3>

==========================================================

Explanation:

There are two ways to do this problem.

Method 1 involves listing out the terms until we reach the seventh one.

  1. square
  2. hexagon
  3. trapezoid
  4. triangle
  5. square
  6. hexagon
  7. trapezoid
  8. triangle

We see that the trapezoid is term 7.

-------------

Method 2 is faster and the one I recommend.

Since the pattern repeats every 4 items, this means we divide by 4 and look at the remainder. Ignore the quotient entirely.

7/4 = 1 remainder 3

The remainder 3 means that the answer is found in term 3, which is the trapezoid.

6 0
1 year ago
The third term of the sequence is 120. The fifth term is 76.8 The explicit rule for the geometric sequence is an=?(?)n-1
gulaghasi [49]

Answer:

The explicit rule of the geometric sequence

 aₙ   = 187.5 (0.8)ⁿ⁻¹

Step-by-step explanation:

<u><em> Step(i):-</em></u>

Given that the third term of the sequence = 120

        tₙ = a rⁿ⁻¹  

       t₃  = a r³⁻¹ = ar²

        120 = ar² ..(i)

Given that the fifth term of the given geometric sequence = 76.8

        tₙ = a rⁿ⁻¹  

       t₅  = a r⁵⁻¹ = a r⁴

   76.8  = a r⁴...(ii)

<u><em>Step(ii):</em></u>-

 Dividing (ii) and (i)

         \frac{ar^{4} }{ar^{2} } = \frac{76.8}{120}

        r²   = 0.64

       r    =√ 0.64 = 0.8

Substitute r= 0.8 in equation (i)

         120 = ar²

       120 = a(0.8)²

⇒      a = \frac{120}{0.64} =187.5

<u><em>Step(iii):-</em></u>

The explicit rule of the geometric sequence

                 aₙ  = a rⁿ⁻¹

put a= 187.5  and r = 0.8

                aₙ   = 187.5 (0.8)ⁿ⁻¹

 

7 0
2 years ago
If each of the 4 shelves holds 14 movies, how many movies does Betty have on her shelving unit? Show your work.
Flura [38]

Answer:

56

Step-by-step explanation:

Multiply 4 by 14 to get your answer.

8 0
3 years ago
An ice cream shop sells large cones for $2.50 and small cones for $1.50. Jack has enough money to buy 21 large cones. How many s
Strike441 [17]

Answer:

35 cones

Step-by-step explanation:

21 x $2.50

=52.5

52.5/$1.50

= 35 small cones he can buy

6 0
2 years ago
Read 2 more answers
Other questions:
  • The choices are 40, 120, and 100. Can someone please help?
    14·2 answers
  • Number 10 <br> I think it's 1 but I'm not exactly sure
    15·1 answer
  • Solve 15 ≥ -3x or x ≥ -2. <br> A{x | x ≤ -5} <br> B{x | x ≥ -5}<br> C {all reals}
    13·2 answers
  • Cobalt-60 is used in the treatment of cancer. A sample contains 8 grams of co-60 wbere k=0.1308
    9·1 answer
  • What happens to a line when the y-intercept is changed? Check all that apply. A. As the y-intercept increases, the graph of the
    8·2 answers
  • Helppppp please I will give brainliest​
    13·1 answer
  • Does anyone know this?
    15·1 answer
  • Which expression is equivalent to…
    6·1 answer
  • A total of 620 tickets were sold for the school play. They were either adult tickets or student tickets. There were 70 more stud
    14·2 answers
  • Perform an experiment with 50 trials. What is the experimental probability of the spinner landing on red?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!