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dimaraw [331]
3 years ago
7

Round decimals Write the place value of the underline digit

Mathematics
1 answer:
atroni [7]3 years ago
6 0
So all you have to do is look at were the number is is it is in the first spot it is in the tenths place value, second spot hundredth and so
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Mary's clock uses 3/4 of the batteries in the package. There are 8
Lelu [443]
DONT look at that photo. You have no idea what's in that link!

The answer is d) 6 batteries
7 0
2 years ago
The CEO of a large corporation asks his Human Resource (HR) director to study absenteeism among its executive-level managers at
Fynjy0 [20]

Answer:

Following are the answer to this question:

Step-by-step explanation:

Given:

n = 30 is the sample size.  

The mean  \bar X = 7.3 days.  

The standard deviation = 6.2 days.  

df = n-1  

     = 30-1 \\      =29

The importance level is \alpha = 0.10  

The table value is calculated with a function excel 2010:

= tinv (\ probility, \ freedom \ level) \\= tinv (0.10,29) \\ =1.699127\\ =  t_{al(2x-1)}= 1.699127

The method for calculating the trust interval of 90 percent for the true population means is:

Formula:

\bar X - t_{al 2,x-1} \frac{S}{\sqrt{n}} \leq \mu \leq \bar X+ t_{al 2,x-1}   \frac{S}{\sqrt{n}}

=\bar X - t_{0.5, 29} \frac{6.2}{\sqrt{30}} \leq \mu \leq \bar X+ t_{0.5, 29}   \frac{6.2}{\sqrt{30}}\\\\=7.3 -1.699127 \frac{6.2}{\sqrt{30}}\leq \mu \leq7.3 +1.699127 \frac{6.2}{\sqrt{30}}\\\\=7.3 -1.699127 (1.13196)\leq \mu \leq7.3 +1.699127  (1.13196) \\\\=5.37 \leq \mu  \leq 9.22 \\

It can rest assured that the true people needs that middle managers are unavailable from 5,37 to 9,23 during the years.

7 0
2 years ago
Help me please!
Ksivusya [100]

Answer:

sum of a triangle adds up to 180 degrees

a+b+c=180

35+52+93=180




6 0
3 years ago
What is the solution to 3/(2x+1) = 9/3x?
Scorpion4ik [409]

Answer:

Solution x = - 1

Step-by-step explanation:

3 / (2x+1) = 9 / 3x

Cross multiply

3(3x) = 9(2x + 1)

Distributive property

9x = 18x + 9

Subtract 18x from both sides

-9x = 9

Divide both sides by -9

x = -1

7 0
3 years ago
Find the possible values of s in the inequality 12s-20 <3s-25
GaryK [48]

12s - 20 < 3s - 25 |+20

12s < 3s - 5 |-3s

9s < -5 |:9

s < -5/9

Answer: Any number from the set (-∞, -5/9).

7 0
3 years ago
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