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mr Goodwill [35]
3 years ago
8

Rida and Elisa are each paid by the hour rida worked 5 1/2 hours and earned $77 Elisa worked 3 3/4 hours and $60 whose hourly ra

te is greater
Mathematics
2 answers:
allochka39001 [22]3 years ago
5 0
Rida:
5 1/2 :77
5.5 : 77
Divide both sides by 5.5 to get $/hour:
1:14

Elisa:
3 3/4:60
3.75:60
Divide both sides by 3.75 to get $/hour:
1:16

16 is bigger than 14 so Elisa earns more.
DerKrebs [107]3 years ago
4 0

Answer:

Elisa hourly salary is more than Rida's hourly salary

Step-by-step explanation:

Rida worked for 5\dfrac{1}{2}\ hours and earned $77

Elisa worked for3\dfrac{3}{4}\ hoursand earned $ 60

Rida salary per hour will be = \dfrac{77}{\dfrac{11}{2}}

                                              = $ 14

Elisa salary per hour will be = \dfrac{60}{\dfrac{15}{4}}

                                              =  $ 16

hence, Elisa hourly salary is more than Rida's hourly salary

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The following histogram shows the relative frequencies of the heights, recorded to the nearest inch, of a population of women. T
Airida [17]

Answer:

The following histogram shows the relative frequencies of the height recorded to the nearest inch of population of women the mean of the population is 64.97 inches and the standard deviation is 2.66 inches

(a) Based on the histogram, what is the probability that the selected woman will have a height of at least 67 inches? Show your work

Answer:

0.22268

Step-by-step explanation:

z-score is z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

(a) Based on the histogram, what is the probability that the selected woman will have a height of at least 67 inches? Show your work

At least means equal to or greater than 67 inches

z = 67 - 64.97/2.66

z = 0.76316

P-value from Z-Table:

P(x<67) = 0.77732

P(x>67) = 1 - P(x<67) = 0.22268

The probability that the selected woman will have a height of at least 67 inches is 0.22268

Step-by-step explanation:

6 0
3 years ago
The measures of the three of the interior angles of a quadrilateral are 60°, 110°, and 90°. What is the measure of the fourth an
irina [24]
The answer is C. 100 because the total measure of a quadrilateral is 360. When you add up the 3 interior angle measures, it adds up to 260. Then you subtract 360-260 to get 100 as the fourth angle measure. Hope that this helped!
6 0
3 years ago
The altitude of the base of a cloud
natima [27]

The height of the ceiling is 162.31 meters

The situation will form a right angle triangle.

<h3>Right angle triangle:</h3>

Right triangle has one of its angles as 90 degree. Therefore, the sides can be found using trigonometric ratios

The triangle formed, the theodolite distance from the spotlight is the  adjacent side. Therefore,

tan 62.7 = opposite / adjacent

tan 62.7 = x / 83

cross multiply

x = 83 × tan 62.7

x = 160.809554025 m

Therefore, the height of the ceiling form the ground is as follows:

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ikadub [295]

Answer:

x = price of balcony tickets = $7

y = price of orchestra tickets = $21

Step-by-step explanation:

Let

x = price of balcony tickets

y = price of orchestra tickets

y = 3x (1)

148y + 76x = 3,640 (2)

Substitute y = 3x into (2)

148y + 76x = 3,640 (2)

148(3x) + 76x = 3,640

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520x = 3,640

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x = 7

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