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madreJ [45]
2 years ago
12

What are the excluded values of the fraction x+6/4x

Mathematics
1 answer:
Marat540 [252]2 years ago
8 0

Answer:

Here's the answer lil jit

Step-by-step explanation:

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I have to find out how many quarters and dimes equal $2.05 with 13 total coins
KatRina [158]

Answer:

Step-by-step explanation:

5 dimes and 8 quarters :)

3 0
3 years ago
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The area (A) of a triangle varies jointly as its ba
Harrizon [31]

Answer:

The area (A) of a triangle varies jointly as its ba

se (b) and height (h). If its base is 8 inches and i

ts height is 7 inches, it has an area of 28 square

inches. Find the base if its height is 5 inches an

5

d its area is 16 square inches.

Formulate the equation of variation.

Step-by-step explanation:

8 0
2 years ago
The distribution of the test statistic for analysis of variance is the F-distribution. true or false
lubasha [3.4K]

Answer:

True. See explanation below

Step-by-step explanation:

Previous concepts

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 k groups and on each group from j=1,\dots,k we have k 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 where k represent the number of groups.  

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

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

And the we can find the F statistic F=\frac{MSR}{MSE}

8 0
3 years ago
How can I find a?<br> (Trigonometric Ratios)
earnstyle [38]

Step-by-step explanation:

Hey there!

<u>Use</u><u> </u><u>cos</u><u> </u><u>ratio to</u><u> </u><u>find </u><u>the</u><u> </u><u>value</u><u> </u><u>of</u><u> </u><u>'</u><u>a'</u><u>.</u>

As per given, we can state that it is a Right angled triangle, so taking 38° reference angle.

We get;

p = AC

b = 6

and h= a

Here, <u>Use</u><u> </u><u>the</u><u> </u><u>value</u><u> </u><u>of</u><u> </u><u>b</u><u>,</u><u> </u><u>h</u><u> </u><u>and</u><u> </u><u>3</u><u>8</u><u>°</u><u> </u><u>angle</u><u> </u><u>to</u><u> </u><u>find</u><u> </u><u>the</u><u> </u><u>value</u><u> </u><u>of</u><u> </u><u>a</u><u>.</u>

\cos(38° )  =  \frac{b}{h}

\cos(38°)  =  \frac{6}{a}

0.7881 =  \frac{6}{a} [ cos(38°=0.7881]

0.7881a = 6

a =  \frac{6}{0.7881}

Therefore the measure of a is 7.61 Or 8.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em>

6 0
2 years ago
The statement "if x is divisible by 8, then it is divisible by 6" is false if x equals
kotegsom [21]
Answer:(3)\ 32\\\\32\ is\ divisible\ by\ 8\to32:8=4\\\\but\ not\ divisible\ by\ 6\to32:6=5\frac{1}{3}
6 0
3 years ago
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