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adelina 88 [10]
3 years ago
8

A given set of values is found to be a normal distribution with a mean of 140 and a standard deviation of 18.0. Find the value t

hat separates the bottom 45% of the data from the top 55%
148.1
142.3
149.9
137.8
Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0

Answer:

137.8

Step-by-step explanation:

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GarryVolchara [31]

Answer:

21

Step-by-step explanation:

8 0
3 years ago
three student share a townhouse their electric bill for october was 3.87 less than the september bill. the total of both bills i
leva [86]

Answer: 40.27

Step-by-step explanation:

Let their September bill be x

Therefore, the October bill will be = x - 3.87.

Therefore, the addition of both bills will be:

x + (x - 3.87) = 237.75

x + x - 3.87 = 237.75

2x - 3.87 = 237.75

2x = 237.75 + 3.87

2x = 241.62

x = 241.62/2

x = 120.81

Therefore, September bill was 120.81

Since the 3 students share the bull equally, the amount owed by each will be:

= 120.81 / 3

= 40.27

Each person owes 40.27

4 0
3 years ago
4^-2 what does this equal
S_A_V [24]

0.0625

or 16 im not sure

4 0
3 years ago
Read 2 more answers
Nethan made 8 rose bouquets and 6 daffodil bouquets. Nethan only has enough flowers to make at most 20 rose or daffodil bouquets
Solnce55 [7]

Answer:

Nethan made 8 rose bouquets and 6 daffodil bouquets.

Nethan only has enough flowers to make at most 20 rose or daffodil bouquets total.

Let x represents the number of more rose bouquets.

Let y represents the number of more daffodil bouquets.

The maximum bouquets that can be made = 20

And the number of bouquets made are = 14

So, additional bouquets are = 20-14=6

In equation form we can show like :

x +y= 6

or y=6 -x

or x=6- y

Putting values of x as 0,2,4 and 6 we get:

When x = 0 then y = 6  

When x = 2 then y = 4

When x = 4 then y = 2

When x = 6 then y = 0

You can see the graph attached.

3 0
3 years ago
A circle had a sector with area 33pi and central angle of 11/6pi radians
MissTica

Answer:

The area of the circle is 36\pi\ units^{2}

Step-by-step explanation:

we know that

The area of a circle subtends a central angle of 2\pi radians

so

By proportion find the area of the circle

\frac{33\pi }{(11\pi /6)}=\frac{x}{2\pi}\\ \\ x=2\pi*( 33*6)/11\\ \\x=36\pi\ units^{2}

3 0
3 years ago
Read 2 more answers
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