3 years ago

For which value of x must the expression radical 71x be further simplified?

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

8 0

Answer:

B 32

Step-by-step explanation:

sqrt(71*x)

71 is prime

sqrt(71) sqrt(x)

A. 19 prime

B. 32 = 16*2 16 is a perfect square

C. 34 = 2*17 both of which are prime

D. 41 prime

sqrt(71) sqrt(16 *2) = sqrt(71) * sqrt(16) * sqrt(2) = sqrt(71)*4*sqrt(2)

=4sqrt(142)

You might be interested in

What is the solution to the equation below? Round your answer to two decimal places. 4•e^x=17

bixtya [17]

Answer:

$\large\boxed{x\approx1.45}$

Step-by-step explanation:

$4e^x=17\qquad\text{divide both sides by 4}\\\\e^x=\dfrac{17}{4}\qquad \ln\ \text{of both sides}\\\\\ln e^x=\ln\dfrac{17}{4}\qquad\text{use}\ \log_aa^n=n\\\\x=\ln\dfrac{17}{4}\\\\x\approx1.45$

7 0

2 years ago

James is 5'10", Emily is 5'7", Ruby is 6'0", Chad is 6'0", Russell is 5'10", and Ariel is 5'9". What is the mean height of those

White raven [17]

Answer:

34'2" I think

Step-by-step explanation:

You just add them together and that was for the first part

5 0

2 years ago

Find the surface area of the cylinder

Stels [109]

Answer:

Step-by-step explanation:

مرحبًا ، أود أن أحاول مساعدتك في عملك المدرسي. إذا كنت تستطيع أن تشرح أكثر فأنا أقدر ذلك.

3 0

2 years ago

Barbara runs once around the track in 3 minutes 45 seconds. Liad runs around the track in 2

seropon [69]

Answer:

2/3rds of liad's run

Step-by-step explanation:

3 min 45s = 3 3/4 min = 15/4 min; 10/(15/4) = 8/3 laps

2min 30s = 2 1/2 min = 5/2 min; 10/(5/2) = 4 laps

(8/3)/4 = 2/3

3 0

1 year ago

Ummm i know both of these are easy but i can't remember them please help

ExtremeBDS [4]

It is 4 because 3 times 4 equals 12

4 0

3 years ago