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
marusya05 [52]
2 years ago
10

For which value of x must the expression square root of 19x be further simplified? A. 15. B 21. C 28. D 41

Mathematics
2 answers:
algol [13]2 years ago
5 0
<span>The expression of the square root of 19x must be simplified when x is equal to 28. This is because possible factors of 28 can be seen to be 4 and 7, and 4 is a perfect square. This means it can be pulled outside of the square root when evaluated. The other options include only prime factors that could not be pulled out. (3,5), (3,7), (1,41)
   28 simplifies as such:
 Sqrt(19*28) = Sqrt(19*4*7) = 2*Sqrt(19*7) = 2*Sqrt(133).</span>
kap26 [50]2 years ago
3 0

Answer:

C 28

Step-by-step explanation:

Let:

f(x)=\sqrt{19x}

Now, let's evaluate every value, so we can determinate if the expression can be further simplified:

x=15

f(15)=\sqrt{19*15} =\sqrt{285}

This can't be simplified because it can't be expressed as the product of a series of prime factors raised to the exponent of the root.

x=21

f(21)=\sqrt{19*21} =\sqrt{399}

This can't be simplified because it can't be expressed as the product of a series of prime factors raised to the exponent of the root.

x=28

f(28)=\sqrt{19*28} =\sqrt{532}

This can be simplified because you can rewrite the expression as:

\sqrt{532} =\sqrt{2^2*133} = \sqrt{4*133} =\sqrt{4} \sqrt{133} =2\sqrt{133}

x=41

f(41)=\sqrt{19*41} =\sqrt{779}

This can't be simplified because it can't be expressed as the product of a series of prime factors raised to the exponent of the root.

You might be interested in
If $1.00 at 5.5% interest compounded daily has a value of $1.00513 after 34 days, how much interest would Bonnie’s account have
ivolga24 [154]

Answer:

$4020.52

Step-by-step explanation:

The future value is the principal multiplied by the amount $1.00 is worth in the future.

$4,000 × 1.00513 = $4020.52

6 0
2 years ago
Please help I don’t want to give up it’s getting hard
Svetradugi [14.3K]

Answer:

144 goes with 12, 36 goes with 6, 9 goes with 3, and 121 goes with 11.

Step-by-step explanation:

The second number stated in each phrase is time itself to create the first number. For example, 144. If we take the second number in the number phrase (12) and time it by itself (12 * 12) it equals 144. This applies to each number phrase.

6 0
3 years ago
Read 2 more answers
How many pt are there in 10 qt
nataly862011 [7]
The answer is 20 pt. Hope this helped
8 0
3 years ago
What are the x-intercepts of the parabola?
puteri [66]

Answer:

(5,0) & (4,0)

Step-by-step explanation:

The x-intercepts are where the graph touches the x-axis. The parabola clearly touches in the x-axis at points 4 and 5.

5 0
2 years ago
Read 2 more answers
Identify the angle of depression.<br> 3<br> 6<br> 4<br> 5
dsp73

Answer: Angle 4

Step-by-step explanation:

The angle of depression is formed by the line of sight and the horizontal line tangent to the top of the observer.

5 0
2 years ago
Other questions:
  • What is equivalent to a 60% decrease?
    14·1 answer
  • Which of the following below could have created this graph
    15·1 answer
  • Could someone help me solve this math problem, please? Thanks!
    6·2 answers
  • Savings are what percentage of monthly net income? Round your answer to the nearest whole percent.
    10·1 answer
  • Jessica rented 1 video game and 3 movies for a total of $11.50.
    14·2 answers
  • Determine the future value of a $25000 investment at an annual rate of 4.85% compounded quarterly for 6 years.
    6·1 answer
  • Rationalize the denominator of 2/√3−1 Please give step by step answer
    14·2 answers
  • Sometimes the best way to solve an equation, a system of equations, or a system of inequalities is to look at a graph of the equ
    9·1 answer
  • Which decimal is equivalent to 8/11 ?
    11·2 answers
  • Karen has 1/2 cup of sugar. She is baking cookies and needs 1 1/3 cups for a recipe. How much more sugar does she need If she wa
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!