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skad [1K]
3 years ago
14

Which two grids can be combined to represent 140%?

Mathematics
2 answers:
ElenaW [278]3 years ago
4 0

Answer:

C and D

Step-by-step explanation:

I did the quiz! good luck everyone

umka2103 [35]3 years ago
3 0
Can you make the a bit more clear
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Write an expression for the sequence of operations described below.
den301095 [7]

Answer:

We conclude that:

''add 3 and the sum of 9 and v'' is algebraically represented by the expression as:

  • 3 + 9 + v

Step-by-step explanation:

Given the statement

''add 3 and the sum of 9 and v''

Let us break down the statement

  • Let the number be:  v
  • The sum of 9 and v: 9+v

so

Adding 3 and the sum of 9 and v will be: 3 + 9 + v

Therefore, we conclude that:

''add 3 and the sum of 9 and v'' is algebraically represented by the expression as:

  • 3 + 9 + v
3 0
3 years ago
A researcher compares differences in positivity between participants in a low-, middle-, or upper-middle-class family. If she ob
777dan777 [17]

Answer:

(2, 12)

Step-by-step explanation:

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".  

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"  

If we assume that we have 3 groups and on each group from j=1,\dots,n_j we have n_j individuals on each group we can define the following formulas of variation:  

SS_{total}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x)^2  

SS_{between=Treatment}=SS_{model}=\sum_{j=1}^p n_j (\bar x_{j}-\bar x)^2  

SS_{within}=SS_{error}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x_j)^2  

And we have this property  

SST=SS_{between}+SS_{within}  

The degrees of freedom for the numerator on this case is given by df_{num}=k-1=3-1=2 where k =3 represent the number of groups.  

The degrees of freedom for the denominator on this case is given by df_{den}=df_{between}=N-K=15-3=12.  

And the total degrees of freedom would be df=N-1=15 -1 =14  

And the correct answer would be 2 degrees of freedom for the numerator and 12 for the denominator

(2, 12)

3 0
3 years ago
Complete the function<br> table below for y= 4x + 5. (Look at the photo.)
Stolb23 [73]

Answer:

5, 25, 45

Step-by-step explanation:

okay so it goes like this, the number in the x colume X 4 + 5 so 0 X 4 = 0 + 5 = 5, 5 X 4 is 20 + 5 = 25 and 10 X 4 =40 + 5 = 45.

6 0
2 years ago
How do you write 600,000,000,000 40,000,000 9,000,000 50,000 8,000 100, 2 in standard form?
Likurg_2 [28]
Count the number of 0

1. 6×10^11
2. 4×10^7
3. 9×10^6
4. 5×10^4
5. 8×10^3
6. 1×10^2
7. 2
6 0
3 years ago
B(n) = b(n − 1) - 7
xxMikexx [17]

Answer:

b=-7

Step-by-step explanation:

if you were supposed t solve for something else just comment and i'll come back :)

(next time state what ur solving for)

3 0
3 years ago
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