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iogann1982 [59]
3 years ago
9

I need help desperitly

Mathematics
1 answer:
topjm [15]3 years ago
8 0
Number one is 12. There is 12 cubes.
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WILL GIVE 30 points. The GRE is an entrance exam that many students are required to take in order to apply to graduate school. I
Afina-wow [57]

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The answer is 0.0228. Have a good day!

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Pls help me nobody ever wants to 6th grade math
weqwewe [10]

Answer:

The average number of students in kindergarten classes is 21.

Step-by-step explanation:

To do this, just add them up and divide by the total number (which is 10).

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2 years ago
Determine the value of a. <br> a+22=-86<br><br> plz show how u got your answer
Whitepunk [10]

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a=-108

Step-by-step explanation:

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a+22-22=-86-22

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3 years ago
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
Here is a diagram of a person standing next to a lorry.
erma4kov [3.2K]

Answer:

The person is a about 2m

3 0
3 years ago
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