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katen-ka-za [31]
3 years ago
14

Whoever answers the question first and right will get brainly

Mathematics
1 answer:
musickatia [10]3 years ago
6 0

Answer:

the graph is 1/2, y intercept is -6, last one in -7

Step-by-step explanation:

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Write the number for eight million sixty thousand
Fiesta28 [93]

8,060,000 is your answer


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3 years ago
Write the equivalent expression for 6x + 5y + 7x
Oksana_A [137]
I'm pretty sure it is d, you are combining the terms which is the same thing.
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A researcher wants to determine whether the number of minutes adults spend online per day is related to gender. A random sample
suter [353]

Answer:

The expected frequency for the cell E2,2 is = 33

Step-by-step explanation:

The given data is

Gender               | 0-30| 30-60| 60-90| 90+       Totals

Male                    | 23    |    35   |   76    |  46        180

<u> Female               |   31   |    42   |   46    |  16         135    </u>

<u>Totals                    54         77        122    62          315  </u>

<u />

The expected frequency for the cell E2,2 is :

Expected for the (30-60 box for females)   =  Total of (30-6)/ (total )* females

                                                                      = ( 77/315)135= 33

Here p= 77/315 and n= 135

therefor X= pn = 33

χ²=  (33-42)²/33= 2.455  ( for the single value of E2,2=33)

Expected for the (30-60 box for males)   =  Total of (30-6)/ (total )* males

                                                                      = ( 77/315)180= 44

χ²=  (44-42)²/44= 0.09

The critical region is  χ² (0.05) 3 ≥  χ²= 11.34

Let the null and alternate hypothesis be

H0:the number of minutes spent online per day is not related to gender

against

Ha: the number of minutes spent online per day is related to gender

The single value of χ² for E2,2 = 2.45 is less than the critical value of 11.34.  

6 0
2 years ago
Please help me asap if u can.
kkurt [141]

try that app photo math or math tutor

Step-by-step explanation:

just download the app

3 0
3 years ago
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Geoffrey and his babysitter spent 20 minutes preparing dinner, 2 hours and 30 minutes playing board games, and half an hour maki
harkovskaia [24]
200 minutes 
20 + 60 + 60 + 30 + 30 = 200
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3 years ago
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