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11Alexandr11 [23.1K]
3 years ago
10

I need help please help me​

Mathematics
2 answers:
SpyIntel [72]3 years ago
6 0

Answer:

The Answer is 25

Step-by-step explanation:

liberstina [14]3 years ago
5 0
The answer would be 25. If you put 25 x .64 into a calculator, you’ll get 16 :)
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Please answer quickly
Juliette [100K]

Answer:

Step-by-step explanation:

4^3 * 4^4 = 4^(3+4) = 4^7

4^7/4^9 = 4^(7-9)

= 4^-2 = 1/4^2

6 0
2 years ago
Write these equations of the line in point-slope form given the slope
Mice21 [21]

Answer: #1) y=5x-73

#2) y= 2/5x - 47/5

Step-by-step explanation:

7 0
2 years ago
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
What is y=-5/3x-6 in standard form
andre [41]

Answer: 5x+3y=-18

Step-by-step explanation:

7 0
2 years ago
Resolva a equação a seguir:<br> (x-3/2) + (2x-3/4) = (x²) + (x)-(17/2)
bagirrra123 [75]
X =(-8+√464)/-8=1-1/2√<span> 29 </span><span>= -1.693</span>
8 0
2 years ago
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