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Dahasolnce [82]
3 years ago
12

Please answer the 2 questions

Mathematics
1 answer:
hammer [34]3 years ago
6 0

the correlation between the days and weight is that when the number of days goes up, the weight goes up too.

The puppy gained about 2.5 pounds during this time.

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On Monday, Kevin spent 4/5 of an hour working on his homework, on Tuesday he spent 2/3 of an hour on his homework and on Wednesd
exis [7]

Answer:

1.167

Step-by-step explanation:

4/5 + 2/3 + 7/10

LCM 5 * 3 * 2 = 30

24/30 + 20/30 + 21/30

65/30 = 1 5/30 = 1 1/6 = 1.167

6 0
3 years ago
Delta Airlines quotes a flight time of 2 hours for its flights from Cincinnati to Tampa, meaning that an on-time flight would ar
ddd [48]

Answer:

a) Attached

b) P=0.60

c) P=0.80

d) The expected flight time is E(t)=122.5

Step-by-step explanation:

The distribution is uniform between 1 hour and 50 minutes (110 min) and 135 min.

The height of the probability function will be:

h=\frac{1}{Max-Min}=\frac{1}{135-110} =\frac{1}{25}

Then the probability distribution can be defined as:

f(t)=\frac{1}{25}=0.04 \,\,\,\,\\\\t\in[110,135]

b) No more than 5 minutes late means the flight time is 125 or less.

The probability of having a flight time of 125 or less is P=0.60:

F(T

c) More than 10 minutes late means 130 minutes or more

The probability of having a flight time of 130 or more is P=0.80:

F(T>t)=1-0.04(t-110)\\\\F(T>130)=1-0.04*(130-110)=1-0.04*20=1-0.8=0.2

d) The expected flight time is E(t)=122.5

E(t)=\frac{1}{2}(max+min)= \frac{1}{2}(135+110)=\frac{1}{2}*245=122.5

6 0
3 years ago
HELP ME PLEASE i beg u
lorasvet [3.4K]

Answer:

3. -2

4. 15

5. 0

6. 1

7. 0

Hope this helps!!! If so please give brainliest

7 0
3 years ago
Read 2 more answers
Solve this problem step by step.<br> 2x^3+17x^2+30x
lesantik [10]
The answer is x(2x +5) (x + 6)

3 0
3 years ago
Calculate the slope of the line.Please help!!
vladimir2022 [97]
The slope is 2/3 you’re welcome :)
5 0
3 years ago
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