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
Sergio [31]
3 years ago
14

A wheel with a radius of 19 meters is moving forward at 164.95 meters per second. How fast is the wheel rotating in radians per

second?
Mathematics
1 answer:
yan [13]3 years ago
5 0

Answer:

8.68 radians per second.

Step-by-step explanation:

The circumference of the wheel is 2 π r

= 38π meters.

So that is 164.95 / 38π of full turns of the wheel.

1 turn of the wheel = 2π radians , so the answer is

(164.95 / 38π)  * 2π  

= 164.95 / 19

= 8.68 radians per second.

You might be interested in
Suppose that an internal report submitted to the managers at a bank in Boston showed that with 95 percent confidence, the propor
Dmitry [639]

Answer:

The sample size used to compute the 95% confidence interval is 1066.

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population proportion is:

CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

The 95% confidence interval for proportion of the bank's customers who also have accounts at one or more other banks is (0.45, 0.51).

To compute the sample size used we first need to compute the sample proportion value.

The value of sample proportion is:

\hat p=\frac{Upper\ limit+Lower\ limit}{2}=\frac{0.45+0.51}{2}=0.48

Now compute the value of margin of error as follows:

MOE=\frac{Upper\ limit-Lower\ limit}{2}=\frac{0.51-0.45}{2}=0.03

The critical value of <em>z</em> for 95% confidence level is:

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

Compute the value of sample size as follows:

MOE=z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\0.03=1.96\times \sqrt{\frac{0.48(1-0.48)}{n}}\\(\frac{0.03}{1.96})^{2}=\frac{0.48(1-0.48)}{n}\\n=1065.404\\n\approx1066

Thus, the sample size used to compute the 95% confidence interval is 1066.

4 0
3 years ago
Right answer gets brainlist
nekit [7.7K]

Answer:

132

Step-by-step explanation:

12 times 11= 132 PLEASE MARK BRAINLIEST

7 0
2 years ago
What is the approximate lateral area of the cylinder? Use 3.14 for r and round to
marusya05 [52]

Answer:

The answer is C) 678 cm2 :)

Step-by-step explanation:

3 0
3 years ago
What is the nearest value of d to the nearest hundredth
Lisa [10]
The Answer to question is 2.05
6 0
3 years ago
Read 2 more answers
Solve the following equation for x. x = -2 x = 2 x = -17 x = -7 (x - 5)/2 = -6
nordsb [41]

Step-by-step explanation:

x= -2,

(x - 5) / 2= -6

( (-2) - 5) / 2= -6

(-7) / 2 = -6

-3.5 = - 6

right hand side not equal to left hand side of this equation.so,x= -2 cannot exist for this equation.

x=2,

(x - 5) / 2= -6

(2 - 5) / 2= -6

(-3) / 2= -6

-1.5 = - 6

right hand side not equal to left hand side of this equation.so,x= 2 cannot exist for this equation.

x= -17

(x - 5) / 2= -6

( ( -17) - 5) / 2= -6

(- 22) / 2= -6

-11 = -6

right hand side not equal to left hand side of this equation.so,x= -17 cannot exist for this equation.

x= -7,

(x - 5) / 2= -6

( ( -7) -5) / 2= -6

(-12) / 2= -6

-6= -6

right hand side equal to left hand side of this equation.so,x= -7 exist for this equation.

8 0
2 years ago
Other questions:
  • Indica si cada afirmación es verdadero (v) o falso (f) .
    6·1 answer
  • A train arrives at the station with 150 passengers on board.2/5 of the passengers get off the train in Seattle,and then 35 passe
    8·2 answers
  • Can someone help me please
    15·2 answers
  • Midpoint of the segment with endpoints A(-5, -2) and B(-7, 6).
    7·2 answers
  • When 40% of a number is added to the number and the result is 126 , what is the number ?
    13·1 answer
  • Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?
    10·2 answers
  • A safety light is designed so that the times between flashes are normally distributed with a mean of and a standard deviation of
    15·1 answer
  • I NEED HELP WITH THIS ASAP!
    11·1 answer
  • What is the circumference of the circle below? Use the formula C = 2tr.
    14·2 answers
  • A camera costs $129 at a store in Sugar Land. The whole store is 30% off and then customers pay 8% sales tax on the sale price.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!