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AlladinOne [14]
3 years ago
13

if billy has 7 friends and he loses 6 friends and then gains 4 friends and then loses five friends, how many friends does billy

have?
Mathematics
2 answers:
dedylja [7]3 years ago
4 0
Billy has no friends
lord [1]3 years ago
4 0

Answer:

Billy ain't got no friends. I'll be his therapist.

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Y=3x-7 Complete the missing value in the solution to the equation. (1,_)
creativ13 [48]

Answer:

minus 4

Step-by-step explanation:

answers in the photo thanks

6 0
3 years ago
Bryan has 24 toy cars. Jason has 12 toy cars. What is the ratio of Jason’s toy cars to Bryan’s toy cars?
sergij07 [2.7K]
12/24 = 1/2
answer is 1/2
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3 years ago
The differences of 4 and a number x is 14
shutvik [7]

Answer:

x=18

Step-by-step explanation:

x-4=14

  +4  +4

x=18

6 0
3 years ago
Read 2 more answers
Need to know, are these two equal
MaRussiya [10]

Answer:

They are equal.

Step-by-step explanation:

-\frac{7y}{2} = -\frac{7}{2} y

-\frac{7y}{2}\\ · 2 = -\frac{7}{2} y ·2

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7 0
1 year ago
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A random sample of 11 fields of rye has a mean yield of 20.1 bushels per acre and standard deviation of 7.66 bushels per acre. D
Lady bird [3.3K]

Answer:

17.1≤x≤23.1

Step-by-step explanation:

The formula for calculating the confidence interval is expressed as;

CI = x ± z*s/√n

x is the mean yield = 20.1

z is the 80% z-score = 1.282

s is the standard deviation = 7.66

n is the sample size =  11

Substitute

CI = 20.1 ± 1.282*7.66/√11

CI = 20.1 ± 1.282*7.66/3.3166

CI = 20.1 ± 1.282*2.3095

CI =  20.1 ±2.9609

CI = (20.1-2.9609, 20.1+2.9609)

CI = (17.139, 23.0609)

hence the required confidence interval to 1dp is 17.1≤x≤23.1

8 0
3 years ago
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