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krok68 [10]
3 years ago
8

Jocelyn's income was $243,358.

Mathematics
1 answer:
Ludmilka [50]3 years ago
5 0

Answer:

Ask that bleep Jocelyn, its her money she always wants us to answer for her ugh shes so selfish

Step-by-step explanation:

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HELP WILL DO ANYTHING TO GET ANSWERS
nignag [31]

Answer:

24. 40 minutes approximately

25. 8 days

Step-by-step explanation:

24. 40 minutes

Anna: 1 hour

Peter: 3 hours

Maria: 6 hours

A way to solve this kind of question is to think about how much they can perform given the same amount of time.

Anna: 1 hour x 6: 6 hours (In 6 hours Anna can clean 6 houses)

Peter: 3 hours x 2  6 hours (In 6 hours Peter can clean 2 houses)

Maria: 6 hours x 1: 6 hours (In 6 hours Peter can clean 1 house)

Working together they can clean the house 9 times faster.

It is 0.66 hours, or approximately 40 minutes

25. 8 days

It climbs 3 feet up but then it falls 2 feet down while sleeping during

the night. So the snail actually climbs 1 foot every day. It happens in the first 7 days. On the 8th day it goes out before sleep.  

7 0
3 years ago
Read 2 more answers
a political candidate has asked you to conduct a poll to determine what percentage of people support her. if the candidate only
musickatia [10]

Answer:

The  sample needed is  n  =150

Step-by-step explanation:

From the question we are told that

   The margin of error is  E =  0.08

   The confidence level is  C  =  95 \% =  0.95

Given that the confidence level is  95% the level of significance is mathematically represented as

          \alpha  =  1 -  0.95

           \alpha  = 0.05

Next we obtain the critical value of  \frac{\alpha }{2} from the z-table , the value is Z_{\frac{\alpha }{2} } =  1.96

The reason we are obtaining critical value of    \frac{\alpha }{2} instead of    \alpha is because  

\alpha represents the area under the normal curve where the confidence level interval (   1-\alpha ) did not cover which include both the left and right tail while  

\frac{\alpha }{2} is just the area of one tail which what we required to calculate the margin of error

The sample size is mathematically represented as    

            n  =  [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \r p[1-\r p]

Here \r  p is sample proportion of people that supported her and we will assume this to be 50% =  0.5

So

            n  = [\frac{1.96}{ 0.08} ]^2 *  [0.5 (1- 0.5)]

           n  =150

           

8 0
3 years ago
A window in the shape of a rectangle as shown below has a width of 2X +1 and the length of X squared minus 5X -7
BARSIC [14]

Answer;

14x-12

Explanation:

Since we are not asked what to fine, we can find the perimeter of the rectangle

Perimeter = 2(L+W)

Perimeter = 2(2x+1+5x-7)

Perimeter = 2(7x - 6)

Perimeter = 14x - 12

Hence the perimeter of the rectangle is 14x-12

3 0
3 years ago
Exhibit a population of ten integers having mean=20 and variance=4
Alla [95]

exhibit population for ten integers is 15,19,19,20,20,20,21,22,22,22 mean is 20 variance is 4

Step-by-step explanation:

  • Mean is helps in finding the mid point of the data.
  • Variance is the variability of data it was here.
  • In order to get the data straight the combination of 4 was required.
  • 4 is variance one data set was 19 other had to be 22.
  • As mean is 20 three means had to be 20.
  • from mean 20 4 is greater then 20 and 3 is less then 20.
  • 15 being the lowest it compensated the variance to 4.
  • Mathematically there are many ways to do this using function.
  • This is to be found out at a traditional method.
  • Reducing or increase the number as it was integers.
8 0
3 years ago
Basic Ratio Right Triangle Trigonometry Find the missing side X and Y. <br><br>​
bonufazy [111]
37

180-53-90
Just subtract the 2 angles you already have by 180
4 0
3 years ago
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