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mixer [17]
3 years ago
13

CAN SOMEONE PLEASE HELP ME???

Mathematics
1 answer:
Rudik [331]3 years ago
3 0

Answer:

the correct answer is number 3.

I'm 10000000000% sure.

the explanation is in the pictures.

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Help me please if you can tell me the answer​
Lady_Fox [76]

Answer:

a

Step-by-step explanation:

4 0
3 years ago
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The long-distance calls made by the employees of a company are normally distributed with a mean of 6.3 minutes and a standard de
Sergio [31]

To solve this problem, we use the formula:

z = (x – u) / s

where z is the z score value which can be obtained from the tables, x is the sample value, u is the mean = 6.3 min, and s is the std dev = 2.2 min

 

at P value = 0.90, the z = 1.28, finding for x:

x = z s + u

x = 1.28 * 2.2 + 6.3

x = 9.116

 

at P value = 1.0, the z = 3.49, finding for x:

x = z s + u

x = 3.49 * 2.2 + 6.3

x = 13.978 ~ 14

 

Therefore the longest 10% calls last about 9.1 minutes to 14 minutes

3 0
3 years ago
Can anyone please help i am stuck on this question?
ale4655 [162]

Answer:

8/17

General Formulas and Concepts:

<u>Trigonometry</u>

  • [Right Triangles Only] cos∅ = adjacent over hypotenuse

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use trig to find the ratio.

<u>Step 2: Identify</u>

<em>POV from angle S</em>

Adjacent = 8

Hypotenuse = 17

<u>Step 3: Write</u>

  1. Substitute [cosine]:                    cos(s) = 8/17
5 0
3 years ago
The diagonals of an isosceles trapezoid are 3x + 7 and 5x – 11. What is the value of x?
Alja [10]
In a trapazoid the diagonals are the same so therefore the two equations equal echother

3x+7=5x-11  solve for x by combining like terms

18=2x  then divide to unto multiplication

9=x

9 is the value of x

I hope I've helped!
7 0
3 years ago
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You babysit for 3 hours. You receive $24. what is your hourly wage
storchak [24]

Answer

six dollars

Step-by-step explanation:

8 0
2 years ago
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