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Delicious77 [7]
2 years ago
8

Evaluate |2 5/6 +y| for y= 7/4

Mathematics
1 answer:
bearhunter [10]2 years ago
7 0

Answer:

Step-by-step explanation:

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The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 37 o
just olya [345]

Answer:

a) 68 % will lie between 30 and 44 ounces

b) between 23 and 44 ounces will lie 81,5 %

Step-by-step explanation: See Annex

a) Normal Distribution  N ( 37, 7)

The Empirical Rule establishes that 68 % of values will be at

μ  ±  1 σ      where μ is the mean and σ the standard deviation

Then:   37 - 7  = 30    and 37 + 7 = 44

68 % of the values will lie between  30 and 44 ounces

b) And between  23 and 44 we should find:

We have 95 %  of values between

μ  ± 2*σ  

In our case to the left of the value (mean 0 ) and up to the value 23 we get 95/2 = 47,5 % and to the right of the value (mean 0 ) and up to 44 we half 68/2 = 34 %

Then between 23 and 44, we have 47,5 + 34 = 81,5 %

8 0
3 years ago
The cost of a movie ticket is $7. The cost is reduced to $5 for groups of 10 or more. How many people must be in a group for the
belka [17]
I guess 60 people may be because if atleast 10 people makes ticket reduce to $5 so there must be 60 people 

7 0
3 years ago
nikki wants to buy a dog bed that costs $87. She earns $6 per week for doing chores. How many weeks will Nikki have to do her ch
Zanzabum
87 : 6 = 14,5 (weeks)
3 0
3 years ago
Read 2 more answers
Simplify square root 58 over square root 2
pantera1 [17]

Answer:

5.38516482 or 5.4 or 5

Step-by-step explanation:

The square root of 58 is 7.61577311 and the square root of 2 is 1.41421356.

Divide those 2 numbers and you get 5.38516482 or 5.4 or 5

6 0
3 years ago
Find the 15th term of the arithmetic sequence if a1 = -3 and d = 2
pantera1 [17]

Answer:

25

Step-by-step explanation:

a1 = - 3               Given

d = 2                   Given

n = 15                  Given

Formula

tn = a1 + (n - 1) * d

Substitute and solve

t15 = -3 + (15 - 1) * 2               Calculate what's in the brackets.

t15 = -3 + 14*2                        Combne

t15 = -3 + 28                          Add the two terms

t15 = 25


3 0
3 years ago
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