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Ipatiy [6.2K]
3 years ago
12

− 4/5 (− 3/8 n +6n+2)-n

Mathematics
2 answers:
love history [14]3 years ago
7 0

Answer:

thbhjfff g gfggggggfdfgghfddgh

kotegsom [21]3 years ago
6 0

Answer:

-11/n -8/5

Step-by-step explanation:

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What percent of the total budget is the dog food (to the nearest tenth)?
Scorpion4ik [409]

Answer:

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Step-by-step explanation:

8 0
3 years ago
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What is 8,000 *20? Please help me, thanks!
Rainbow [258]
It is 160000 because 8*2 is 16 just add 0000 after the 16 
6 0
3 years ago
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What is the measure of the hypotenuse?
SVETLANKA909090 [29]

Answer:

To find the hypotenuse you need to use the Pythagorean Theorem which is

a^2+b^2=c^2

Where a and b are your two sides and c is your diagonal line

So you want to plug the numbers in for the right variables

5^2+12^2=c^2

We want to find what c equals so we are first gonna simplify

25+144=c^2

we take 5^2=25, and 12^2=144, then we add them together 25+144=169

169=c^2 now you want to take 169 and square root it because the opposite of squaring is taking it by the root square

The square root of 169=13

Your hypotenuse is 13

Hope this helps ;)

4 0
3 years ago
Read 2 more answers
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
3 years ago
If (1, y) is on the graph, then y = ____________ a0.
Debora [2.8K]
If <span>y = -x + 7, and (-1,y) is on the graph, then the following is true:  y=-(-1) + 7, or y=8.

Thus, y = a0 = 8.</span>
7 0
3 years ago
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