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Serhud [2]
2 years ago
11

What is the missing number in this pattern? 0, 2, 6, ----, 30, 62

Mathematics
2 answers:
mario62 [17]2 years ago
5 0

Answer:

14

Step-by-step explanation:

so the pattern is they add 2 then they add 4 then they add 8 then the add 16 basically they are double the number being added each number so the missing number is 14

ExtremeBDS [4]2 years ago
3 0

Answer:

14

Step-by-step explanation:

The first line below has the given numbers.

The second line has the differences between each two consecutive numbers.

0            2                 6             ___            30            62

      2              4             ___             ___            32

The first two differences are 2 and 4. Maybe the differences are powers of 2.

2^1 = 2

2^2 = 4

2^3 = 8

2^4 = 16

2^5 = 32

Sure enough the 5th difference is 32.

We can now fill in the differences on the second line.

0            2                 6             ___            30            62

      2              4               8                  16           32

Now we add each difference to the previous number to get the next number.

0            2                 6             14           30            62

      2              4               8                  16           32

Answer: 14

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Luda [366]

Answer:

item total cost: 4.19

5 0
3 years ago
Find the sum of (x + 5) and (2x + 3)
Genrish500 [490]
What you can do is subtract 1x from each side 
Then you subtract 3 from each side
Then it tells you x=2
Always put what you think x is back into the problem and see if it works out

Example on how you do it:
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7 0
3 years ago
1/3(-15 divide 1/2) 1/4 what does it equal
Dafna1 [17]

Answer:

-2.5 or - 2 1/2

Step-by-step explanation:

Writing out the expression Mathematically ;

1/3(-15÷1/2)1/4

Using PEMDAS :

Solving the bracket first

(-15 ÷ 1/2) = (-15 * 2/1) = - 30

We have :

1/3(-30)1/4 = - 10 * 1/4 = - 10 / 4 = - 2.5

-2.5 = - 2 1/2

3 0
2 years ago
Our environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 7.5 parts
DochEvi [55]

Answer:

We accept  H₀   with the information we have, we can say level of ozone is under the major limit

Step-by-step explanation:

Normal Distribution

population mean  =   μ₀   =  7.5   ppm

Sample size     n   =  16      df  =  n  -  1  df  =  15

Sample mean      =    μ   =  7.8  ppm

Sample standard deviation   =  s  =  0.8

We want to find out if ozono level, is above normal level that is bigger than 7.5

1.- Hypothesis Test

null hypothesis                          H₀         μ₀   =  7.5

alternative hypothesis             Hₐ          μ₀  >  7.5  

2.-Significance level    α  =  0.01   we will develop one tail-test (right)

then   for   df  =  15    and    α =  0,01   from t -student table we get

t(c)  = 2.624

3.-Compute  t(s)

t(s)  =  (  μ -  μ₀ ) / s /√n            ⇒   t(s)  = ( 7.8  -  7.5 )*4/0.8

t(s)  = 0.3*4/0.8

t(s)  = 1.5

4.-Compare   t(s)   and  t(c)

t(s)  <  t(c)       1.5  <  2.64

Then  t(s) is inside the acceptance region. We accept  H₀

7 0
2 years ago
Which statement about the data is true?
ss7ja [257]
I think it's B, there no repeating number.
7 0
2 years ago
Read 2 more answers
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