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ipn [44]
3 years ago
9

There are 63 students marching in a band, and they’re marching in 7 rows. How many students are in each row?

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
7 0
63/7 = 9; 9 students in each row.
VLD [36.1K]3 years ago
4 0
Total divided by number of rows=number per row
63/7=9
9 per row
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Mrs. Hall's sixth graders walk laps every day on the school track. The following are the number of laps the class completed in t
MAVERICK [17]

Answer:

Here is the answer in the picture sorry I was late to answer I got busy in a zoom but here

Step-by-step explanation:

A box plot is basically a box with lines that tell you where the minimum,first quartile,median,third quartile and maximum are on a line.

So I just but all the values in order than find the minimum,first quartile,median,third quartile and maximum are and then build the box plot

(7,10,14,15,15,18,18,19,20,20,22,23)

3 0
2 years ago
Please help me out please
IgorLugansk [536]

Answer:

h=20

Step-by-step explanation:

h=3 (V/lw)

h= 3 (960/12*12)

7 0
3 years ago
What is the answer for this Evaluate 3|-3|.
zhenek [66]

Answer: 9

Concept:

Here, we need to know the idea of absolute value.

The<u> absolute value</u> of a number or integer is the actual distance of the integer from zero, in a number line.

There are <u>no negatives </u>in absolute value. So in practice "absolute value" means to remove any negative sign in front of a number, and to think of all numbers as positive.

Solve:

<u>Given</u>

3 |-3|

<u>Expand absolute value sign, which means making [-3] positive</u>

= 3 × (3)

<u>Simplify by multiplication</u>

= \boxed{9}

Hope this helps!! :)

Please let me know if you have any questions

4 0
3 years ago
Read 2 more answers
Suppose a package delivery company purchased 17 trucks at the same time. Six trucks were purchased from manufacturer A, five fro
yaroslaw [1]

Answer:

df_{den}=df_{between}=N-K=17-3=14.

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 (A,B,C) and on each group we have sample of size (6,5,6) respectively , 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}=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}=df_{within}=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=17-3=14.

And the total degrees of freedom would be df=N-1=17 -1 =16

On this case the correct answer would be 2 for the numerator and 14 for the denominator.  

Best answer

14

4 0
3 years ago
The original price of a jar of paint is$1.20 the store manager gets a 10 percent discount on orders of at least 50 jars of paint
sleet_krkn [62]

Answer:

$54

Step-by-step explanation:

50 * $1.20 = $60

Before the discount, 50 jars cost $60.

Since the discount rate is 10%, he will pay only 90% of the price since 100% - 10% = 90%.

90% of $60 =

= 90% * $60

= 0.9 * $60

= $54

4 0
3 years ago
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