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Gnoma [55]
2 years ago
7

Blake and Jacob went shopping for

Mathematics
1 answer:
Ket [755]2 years ago
6 0
Each shirt cost $8.50. Each pants cost $12.50.
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PLEASE HELP I WILL GIVE BRAINLIEST
soldi70 [24.7K]

Answer: i believe its a x=2

4 0
3 years ago
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First right BRAINLIEST pls:))
masya89 [10]

Answer:

2000000

Step-by-step explanation:

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3 years ago
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Previous Question Question 14 of 20 Next Question A company randomly surveys 15 VIP customers and records their customer satisfa
Ann [662]

Answer:

71.4699, 81.7301.

Step-by-step explanation:

So, the following are the scores: 74

90

84

78

61

65

62

67

73

75

76

95

71

98

80

Let,\;the\;total\;sum\;of\;the\;scores\;be:\sum x =1149

Then,\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\sum x^2=89795

The length of the score : 15

Then, let the size of the scores be n : 15.

Then, we have to find the mean.

                                      \bar{x}=\frac{\sum x}{n}

                                         =\frac{1149}{15}=76.6

Then,\;we\;have\;to\;find\;standard\;deviation:S=\sqrt{\frac{\sum x^2-n.(\bar{x})^2}{n-1} }

                                         =\sqrt{\frac{89795-15\times(76.6)^2}{15-1} }=11.2808

The\;degree\;of\;freedom:n-1=14

So,\;the\;significant\;level:\alpha=1-0.90=0.10

and\;the\;critical\;value:t_{\frac{\alpha}{2} }=1.7613

Finally:\\=\bar{x}\;\pm\;t_{\frac{\alpha}{2} }\;\frac{S}{\sqrt{n} }\\=(71.4699, 81.7301)

6 0
3 years ago
A flagpole casts a showdown 15 feet long the 6 foot tall man casts a shadow 4 feet long how tall is the flag pole
Neko [114]
Set it up as a ratio:
mans shadow over mans height (4/6 ) equals flag pole shadow over flag pole height (15/x)

set them to equal each other:

4/6 = 15/x

cross multiply: 4*x =4x, 15*6 = 90

so you have 4x = 90

now divide both sides by 5 to solve for x, which is the height of the flag pole:

x = 90 / 4 = 22.5 feet tall
5 0
3 years ago
Marcus buys a pair that cost $35.99 plus 5.5% tax. Tai buys a pair of shoes that cost $ 39.99 plus 9% tax. Tai uses a coupon off
romanna [79]

Answer:

The difference is $5.62

Step-by-step explanation:

The total cost Marcus will pay is

35.99 + 5.5% of 35.99

= 35.99 + 0.055(35.99) = 35.99 + 1.97945 = 37.96945

The total cost Tai will pay is;

39.99 + 9% of 39.99

= 39.99 + 0.09(39.99) = 43.5891

The difference between the total costs will be;

43.5891 - 37.96945 = 5.61965

To the nearest cent, this is 5.62

4 0
2 years ago
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