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Vanyuwa [196]
2 years ago
5

Select each figure that appears to be a rectangle. You must select all that apply.

Mathematics
2 answers:
statuscvo [17]2 years ago
8 0

Answer:

I think it's A. and B.

Step-by-step explanation:

♥ hope this helps ♥

Archy [21]2 years ago
4 0

Answer:

Step-by-step explanation:

i Believe its A. B. And D. But i could be wrong

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6-4(2x-3)+10x<br> Show and explain work
lukranit [14]

Answer:

18+2x

Step-by-step explanation:

6-4(2x-3)+10x

6-8x+12+10x    multiply 2x-3 by -4

18+2x               combine like terms

6 0
3 years ago
You are studying the relationship between the history of early childhood trauma (categorized as trauma/no trauma) and weight in
jeka57 [31]

Answer:

You can decide to <u>reject</u> the Null Hypothesis at p < 0.05.

Step-by-step explanation:

In this case, the relationship between the history of early childhood trauma and weight in adulthood are being studied.

The categories of childhood trauma are:

Trauma and No trauma.

So, number of rows is, <em>r</em> = 2.

The categories of weight in adulthood are:

Low to normal, Overweight, and Obese

So, number of columns is, <em>c</em> = 3.

The distribution of the statistic \chi^{2} is chi-square with (<em>r </em>- 1)(<em>c </em>- 1) degrees of freedom, where <em>r</em> represents the number of rows in the two-way table and <em>c</em> represents the number of columns.

Compute the degrees of freedom as follows:

df = (r-1)(c-1)=(2-1) \times (3-1) = 2

It is provided that the calculated value of Chi-square test statistic is 18.26.

Compute the <em>p</em>-value of the test as follows:

p-value=P(\chi^{2}_{2}\geq 18.26)\\=0.000108\\\approx0.00011

Decision rule:

The null hypothesis will be rejected if the <em>p</em>-value of the test is less than the significance level.

The significance level is, <em>α</em> = 0.05.

<em>p</em>-value = 0.00011 < <em>α</em> = 0.05.

The null hypothesis will be rejected at 5% level of significance.

Thus, the complete statement is:

"You can decide to <u>reject</u> the Null Hypothesis at p < 0.05."

4 0
3 years ago
What is the circumference of a rectangle when the length is 8 inches and the width is 4 inches
Nikolay [14]
You multiply 8x4=32 and then divide 32÷2= 16in²
5 0
3 years ago
Can anyone help me with this question??
zepelin [54]

Answer:

The asnwer is 83.6 :)

Step-by-step explanation:

7.6x11=83.6

4 0
3 years ago
Read 2 more answers
Kira has 3 shelves of books. Each shelf has 4 books. She also has 5 books that are not on shelves. How many books does she have?
Slav-nsk [51]

Answer:

kira has 17 books. I think

7 0
2 years ago
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