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nalin [4]
3 years ago
15

Solve the equation. 9 = 8n n =

Mathematics
2 answers:
blsea [12.9K]3 years ago
4 0
N equals 1.125. Percent are y’all going to be doing okay now lol ima is my life day to wiwiwiwiwiwiwow
jarptica [38.1K]3 years ago
4 0

Answer:

n  =  9 /8

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

n  =  9 /8

Decimal Form:

n  =  1.125

Mixed Number Form:

n  =  1  1 /8

hope this helps

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In 2015, Mrs. Dane paid $385 in Medicare taxes. This
Aleonysh [2.5K]

Answer:

$38,500

Step-by-step explanation:

Take the $385, then divide it by the percentage you know, 1 percent (.01 as a decimal) 385/.01 = $38,500, which is your answer.

Hopefully this helps - let me know if you have any questions!

5 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
we want a ratio of orange seashells and pink seashells to be 3:7. we should use 40 seashells.how many orange shells should we pa
dybincka [34]
Add the ratios together: 3+7=10. The ratio means that there are 3/10×40=12 orange seashells and 7/10×40=28 pink seashells.

7 0
4 years ago
A square has an area of 9 cm². What is its side length?
Snezhnost [94]

Answer:

3 cm

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
As an estimation we are told 5 miles is 8km Convert 4 km to miles
puteri [66]

Answer: 2.5

Step-by-step explanation:

For this problem, we see that 4km is 1/2 of 8km.

So, we will have to find 1/2 of 5km.

1/2 of 5km = 2.5km

Your answer is 2.5km

4 0
3 years ago
Read 2 more answers
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