After the warm-up the participant performs the WAnT. You don't have equipment to automatically track power output, therefore, you count revolutions for each 5 second period of the test. The results are as follows:

Time(sec) 5sec_rpm cumulative
0-5 10 10
5-10 7 17
10-15 9 26
15-20 7 33
20-25 7 40
25-30 6 46

The power output can now be computed for each 5 second period using the following equation:

kg of resistance x number of revolutions x 11.765= power (watts)

Required:
What is the power output for each 5 second period?

Answers

Answer 1

Answer: Missing detail ( weight of resistance = 6.69 Kg )

answer :

787.0785 watts 550.95 watts708.37 watts 550.95 watts 550.95 watts 472.25 watts

Step-by-step explanation:

Applying the equation for computing the power output

= Kg of resistance * number of revolutions * 11.765  ------- ( 1 )

Calculate the power output for each 5 second period

weight ( Kg of resistance ) = 6.69 Kg

Equation 1 becomes :

6.69 * number of revolutions * 11.765  ---- ( 2 )

Next :Apply equation (2) to every 5 seconds interval as represented in the table

For Time 0 - 5  

Number of revolutions ( rpm ) = 10

power output = 6.69 * 10 * 11.765  = 787.0785 watts

cumulative rpm = 10 + 0

Cumulative Power = power output + previous power output = 787. 0785watt

For Time  ( 5 - 10 )

Number of revolutions ( rpm ) = 7

Power output = 6.69 * 7 * 11.765 = 550.95 watts

Cumulative rpm = rpm + previous rpm = 7 + 10 = 17

Cumulative power = power output + previous power output

                               = 550.95 + 787.0785  = 1338.0285 watts

Power output for ( 10 - 15 ) = 6.69 * 9 * 11.765  = 708.37 watts

Power output for ( 15 - 20 ) = 6.69 * 7 * 11.765  = 550.95 watts

Power output for ( 20 - 25 ) = 6.69 * 7 * 11.765 = 550.95 watts

Power output for ( 25 - 30 ) = 6.69 * 6 * 11.765 = 472.25 watts


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Subtract:
18x+21y from 22x-3y​

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Step-by-step explanation:

18x+21y

-

22x-3y

__________

= - 4x+24y

18x-(22x)=-4x

21y-(-3y)=24y // - * - = +

Jeremy bought 5/10 kg of mangoes, 3/4 kg of bananas and 1/2 kg of papayas. How many kilograms of fruits did he buy in all?

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Answer:

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Answer:

1.) 4a + 55

2.) 88m + 24k - 55

4.) b and d

5.) b and d

6.) a

7.) 3x + x + 10

Step-by-step explanation:

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a person deposits rs 55000 in bank p for 2 years at the rate of 10% per annum compounded annually .but after one year , bank has changed the policy and decided to pay semi annual compounded interest at the same rate .what is the percentage difference between the compound interests of the first year and second year​

Answers

Answer:

The interest generated the first year will be 10% of the principal value, while the second year said interest will be 10.25%.

Step-by-step explanation:

Given that a person deposits Rs 55000 in Bank P for 2 years at the rate of 10% per annum compounded annually, but after one year, bank has changed the policy and decided to pay semi annual compounded interest at the same rate, to determine what is the percentage difference between the compound interests of the first year and second year, the following calculation must be performed:

Year 1 =

55,000 x (1 + 0.1 / 1) ^ 1x1 = X

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60,500

Year 2 =

60,500 x (1 + 0.1 / 2) ^ 1x2 = X

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60,500 = X

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66,701.25 x 100 / 60,500 = X

110.25 = X

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A study on how circus ticket pricing influences ticket sales shows that there is an average increase of 4 people for every $3 decrease on the price
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Answers

Answer:

circus ticket pricing influences ticket sales shows that there is an average increase of 4 people for every $3 decrease on the price

of the ticket. A circus owner sells an average of 340 tickets when the price of a ticket is $75. If x represents the number of times the price

decreases by $3, which function describes the revenue earned by the circus owner terms

Jasmine decides to solve this system of equations using the substitution method.
3x + y = 18
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Step 2: Substitute the result from Step 1 into the second equation.
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O A 4x + 18 + 3x = 10
B. 4x + 18 - 3x = 10
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D. 4x + 36 + 6x = 10
E 4x + 36 - 6x = 10

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Answer:

Make x the same in both so

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12x+6y=30

Now the 12x cancel eachother out so

Difference between 6y and 4y is 2y

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2y must equal -42

Y = -21

Substitute -21 into the equation

X = 13

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Find the length of the missing side

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Answer:

it should be 40 in.

Step-by-step explanation:

because you have to use pythagorean theorem which is A square plus B square equals C square

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A. 33
B. 37 R13
C. 741
D. 33 R5

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Answer:

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Step-by-step explanation: Trust me don't worry :)

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Answer:

the first question is c

Step-by-step explanation:

2 x pi x the radius

2 x 3.14 x 8

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Answer:

Step-by-step explanation:

the second one

Need help please stressing out over this problem!?!?!

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[tex]v = \frac{4}{3} \times \pi \times {r}^{3} [/tex]

Finding the radius,

[tex]d = 2r, \: r = \frac{d}{2} = \frac{8}{2} = 4inches[/tex]

Plugging in our values,

[tex]v = \frac{4}{3} \times 3.14 \times {4}^{3} = \frac{4}{3} \times 3.14 \times 64 = 267.95 {inches}^{3} \\ [/tex]

Rounding to the nearest whol number,

[tex]v = 268 {inches}^{3} [/tex]

What number is the opposite of 659? Enter your answer in the box below.

Answers

Answer:

Additive opposite = - 659

Multiplicative opposite = [tex]\frac{1}{659}[/tex]

what is the measure of NEED HELP ASAP!

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Answer:

of what

Step-by-step explanation:

HELP order to find the percentage of households in a town that own more than one vehicle, a survey asks 1000 randomly selected drivers at a
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A card is drawn from a well-shuffled deck of cards and then returned to the deck,
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A:geometric
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C:binomial
D:normal

Answers

b seems like it is best modeled by the distribution

A count of the number of times a card is selected until an ace is drawn is best modeled by Poisson distribution. Then the correct option is B.

What is Poisson distribution?

A finite frequency distribution that estimates the likelihood that many independent occurrences will take place at the same moment.

A variable that plots symmetrically in the figure of a globe is the distribution of numerous unknown parameters.

A card is drawn from a well-shuffled deck of cards and then returned to the deck, which is then shuffled again.

A count of the number of times a card is selected until an ace is drawn is best modeled by Poisson distribution.

Then the correct option is B.

More about the Poisson distribution link is given below.

https://brainly.com/question/17280826

#SPJ2

The National Collegiate Athletic Association (NCAA) requires colleges to report the graduation rates of their athletes. At one large university, 91% of all students who started their studies in 2000-2010 graduated within 6 years. A sports reporter contacted 152 athletes randomly sampled from that same university and time period and found that 132 of them had graduated within 6 years.
(a) (5 points) Perform the appropriate hypothesis test to determine whether this is significant evidence that the percentage of athletes who graduate is less than for the student population at large, using the significance level a = 0.05. Remember for state the null and alternative hypotheses, the decision rule, and your conclusion.
(b) (3 points) Calculate the P-value for this test. Explain how this P-value can be use to test the hypotheses in part (a).

Answers

Answer:

a)

The null hypothesis is [tex]H_0: p = 0.91[/tex].

The alternate hypothesis is [tex]H_1: p < 0.91[/tex].

The decision rule is: accept the null hypothesis for [tex]z > -1.645[/tex], reject the null hypothesis for [tex]z < -1.645[/tex].

Since [tex]z = -1.79 < -1.645[/tex], we reject the null hypothesis and accept the alternate hypothesis that that percentage of athletes who graduate is less than for the student population at large.

b)

The p-value for this test is 0.0367. Since this p-value is less than the significance level of [tex]\alpha = 0.05[/tex], we reject the null hypothesis and accept the alternate hypothesis that that percentage of athletes who graduate is less than for the student population at large.

Step-by-step explanation:

Question a:

Perform the appropriate hypothesis test to determine whether this is significant evidence that the percentage of athletes who graduate is less than for the student population at large:

At the null hypothesis, we test if the proportion is the same as the student population, of 91%. Thus:

[tex]H_0: p = 0.91[/tex]

At the alternate hypothesis, we test that the proportion for athletes is less than 91%, that is:

[tex]H_1: p < 0.91[/tex]

The test statistic is:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

Test if the proportion is less at the 0.05 level:

The critical value is z with a p-value of 0.05, that is, z = -1.645. Thus, the decision rule is: accept the null hypothesis for [tex]z > -1.645[/tex], reject the null hypothesis for [tex]z < -1.645[/tex].

0.91 is tested at the null hypothesis:

This means that [tex]\mu = 0.91, \sigma = \sqrt{0.91*0.09}[/tex]

A sports reporter contacted 152 athletes randomly sampled from that same university and time period and found that 132 of them had graduated within 6 years.

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Value of the test statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{0.8684 - 0.91}{\frac{\sqrt{0.91*0.09}}{\sqrt{152}}}[/tex]

[tex]z = -1.79[/tex]

Since [tex]z = -1.79 < -1.645[/tex], we reject the null hypothesis and accept the alternate hypothesis that that percentage of athletes who graduate is less than for the student population at large.

(b) (3 points) Calculate the P-value for this test. Explain how this P-value can be use to test the hypotheses in part (a).

The p-value of the test is the probability of finding a sample proportion of 0.8684 or below. This is the p-value of z = -1.79.

Looking a the z-table, z = -1.79 has a p-value of 0.0367.

The p-value for this test is 0.0367. Since this p-value is less than the significance level of [tex]\alpha = 0.05[/tex], we reject the null hypothesis and accept the alternate hypothesis that that percentage of athletes who graduate is less than for the student population at large.

what is 2+1 this will get you points.

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Answer:

╭━━━╮

┃╭━╮┃

╰╯╭╯┃

╭╮╰╮┃

┃╰━╯┃

╰━━━╯

Step-by-step explanation:

It takes 2 minutes to fill a tank with 16 gallons of gasoline.

Answers

Answer:

and the question is...

Step-by-step explanation:

Can someone help me please!!!!!

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Answers

Answer:

[tex]\frac{95}{56}[/tex] or [tex]1\frac{39}{56}[/tex]

Step-by-step explanation:

hope this helps have a good day :)

Answer:

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Fraction Answer: 1 39/56

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Answer:

.............. .......

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(-8, 9) and (0, 1)

Answers

Answer:

(-4,5)

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y-midpoint 5

Step-by-step explanation:

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M=-8/2,10/2

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Find the LcM of 160, 192,240​

Answers

Given:

The numbers are 160, 192, 240​.

To find:

The LCM of 160, 192, 240.

Solution:

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[tex]160=2\times 2\times 2\times 2\times 2\times 5[/tex]

[tex]160=2^5\times 5[/tex]

[tex]192=2\times 2\times 2\times 2\times 2\times 2\times 3[/tex]

[tex]192=2^6\times 3[/tex]

[tex]240=2\times 2\times 2\times 2\times 3\times 5[/tex]

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Now, the LCM of given numbers is the product of all prime factors with highest degrees.

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[tex]LCM=64\times 15[/tex]

[tex]LCM=960[/tex]

Therefore, the LCM of given numbers is 960.

20 ounce sodas cost 4 for $5. How much does each soda cost?

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Answer:

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Step-by-step explanation:

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Answer:

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Answer:

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Answer:

346

Step-by-step explanation:

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Answers

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Answer:

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