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IgorLugansk [536]
3 years ago
10

What is (12x+5)+(-10x-3)​

Mathematics
2 answers:
kvasek [131]3 years ago
7 0

Answer:

2+2

Step-by-step explanation:

There ya go

Ghella [55]3 years ago
5 0
2x+2 #beansssssssssssssssssssssssssssss
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The diameter of holes for a cable harness is known to have a normal distribution with a standard deviation of 0. 01 inch. A rand
Sindrei [870]

For the given standard deviation and sample mean the two sided confidence interval on mean diameter foe 95% and 99% is given by        ( 1.4983 , 1.5107 ) and ( 1.49635 , 1.51265 ) respectively.

As given in the question,

Confidence interval for population mean is given by:

\bar{x} ± z × ( σ / √n)

Where,

σ = population standard deviation.

n= sample size

\bar{x} = Sample mean

Given values from the random sample size are :

σ = 0.01 inches

n= 10

\bar{x} = 1.5045

Critical value confidence interval (using x-value table)

z  for 99% = 2.576 and Significance level = 0.01

z for 95% = 1.960 and Significance level = 0.05

99% two-sided confidence interval on the mean hole diameter is equal to :

\bar{x} ± z × ( σ / √n)

= 1.5045 ± 2.576 × ( 0.01 / √10)

= 1.5045 ± 0.00815 (approximately)

= 1.5045 - 0.00815 , 1.5045 + 0.00815

= ( 1.49635 , 1.51265 )

95% two-sided confidence interval on the mean hole diameter is equal to :

\bar{x} ± z × ( σ / √n)

= 1.5045 ± 1.960 × ( 0.01 / √10)

= 1.5045 ± 0.00620 (approximately)

= 1.5045 - 0.00620 , 1.5045 + 0.00620

= ( 1.4983 , 1.5107 )

Therefore, for the given standard deviation and sample mean the two sided confidence interval on mean diameter foe 95% and 99% is given by ( 1.4983 , 1.5107 ) and  ( 1.49635 , 1.51265 ) respectively.

Learn more about standard deviation here

brainly.com/question/16555520

#SPJ4

4 0
1 year ago
What is the value of x? <br> ANSWER ASAP!!!
svp [43]

Answer:

24 inches

Step-by-step explanation:

15 divided by 3 equals 5, so you need to do to the other side. Which would be  X divided by 3 equals 8. 24 divided by 3 equals 8

3 0
3 years ago
Whoever tells me what 10+10 is I’ll give out a brainliest to
bija089 [108]

Answer:

20

Step-by-step explanation:

7 0
3 years ago
Rebecca was advised to invest her £12000 life savings in a special High
Evgesh-ka [11]

#a

#1st year

\\ \rm\Rrightarrow 12000+0.045(12000)=12540

#2nd year

\\ \rm\Rrightarrow 12540+0.05(12540)=13167

#3rd year

\\ \rm\Rrightarrow 13167+0.053(13167)=13864.85

#4th year

\\ \rm\Rrightarrow 13864.85+13864.85(0.049)=14544.2

#b

Total interest

\\ \rm\Rrightarrow 14544.2-12000=£ 2544.2

#c

Percentage

\\ \rm\Rrightarrow \dfrac{2544.2}{12000}\times 100

\\ \rm\Rrightarrow 21.2\%

3 0
2 years ago
Read 2 more answers
What is 4 newton left?
Ipatiy [6.2K]
Newtons are used to measure force, so there is a measure of 4 newtons remaining. 
4 0
3 years ago
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