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Gennadij [26K]
3 years ago
10

There are 40 pens. 25 of them are red. What fraction of the pens are red?​

Mathematics
2 answers:
Nady [450]3 years ago
8 0

Answer:

.....

Step-by-step explanation:

i think 1.6.

is it correct?

Virty [35]3 years ago
4 0
25/40

then simplify and you’ll get 5/8
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If f(x)=-2x+2 then find f(1/2)
natima [27]

Answer:

F is 0

Step-by-step explanation:

If you divide X on both sides to get X on one side, it will end with F = -2 + 2, which is 0

3 0
3 years ago
Gimme the right answers, plz
Juliette [100K]

Answer:

1) It would take Steve 4 days to reach $36

for Maria it will take 3 days to get $36

Step-by-step explanation:

9x4=36

12x3=36

6 0
3 years ago
During the first 13 weeks of the television season, the Saturday evening 8:00 p.m. to 9:00 p.m. audience proportions were record
SpyIntel [72]

Part 1: Do not reject H0. There has not been a significant change in the viewing audience proportions.(The above conclusion holds as the p-value is greater than the significance level of 0.05)

Part 2:

H0:  

Ha:  

Part 3: The test statistic is given as 3.0081.

Part 4: The p-value is given as  0.39037

Step-by-step explanation:

As per the data

Part 2

H0:  

Ha:  

Part 3

As per the sample is of 300 homes, the expected values are given as

ABC=p(ABC)*300=0.30*300=90

CBS=p(CBS)*300=0.27*300=81

NBC=p(NBC)*300=0.26*300=78

IND=p(IND)*300=0.17*300=51

Now the values actually are given as

ABC=94

CBS=71

NBC=88

IND=47

So the test static is given as

So the test statistic is given as 3.0081.

Part 4

Now the degree of freedoms are given as 4-1=3

and chi square  is given as 3.0081 so for α = 0.05 , the p-value is given as  0.39037

Part 1.

As the value of p in part 4 is greater than the value of α = 0.05, thus Do not reject H0. There has not been a significant change in the viewing audience proportions.(The above conclusion holds as the p-value is greater than the significance level of 0.05)

4 0
3 years ago
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mixer [17]

Answer:

-1 -8

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Awnser for brainliest
igor_vitrenko [27]

Answer:

A (c=1,900-163-259)

Step-by-step explanation:

This is right because this equation follows the PEMDAS rules in order to get the correct answer.

7 0
2 years ago
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