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anygoal [31]
3 years ago
10

What is 5y-4(-4-7y) using Distributive property

Mathematics
1 answer:
AlexFokin [52]3 years ago
5 0

Answer:

33y+16

Step-by-step explanation:

Break apart the problem:

-4(-4-7y)=16+28y

5y+16+28y=33y+16 (Add like terms)

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4x25x27 associate property
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(4x25)x27
(100)x27
2700
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2 years ago
Omar is born weighing 8 pounds,3 ounces.The doctor says he should gain a about 5 ounces each week for the next 4 weeks.How much
hoa [83]
Start weight- 8.03
week 1 - 8.8
week 2 - 8.13
week 3 - 9.03
week 4 - 9.08

So, the Omar should weigh 9 pounds 8 ounces by the end of 4 weeks.

I hope this helped!
6 0
2 years ago
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Complete the the ratio to convert the units of measure from ounces to grams to ounces ?​
otez555 [7]

Answer:

84 and 5

3x28=84

140 divided by 28=5

7 0
3 years ago
Mrs. jack bought 150 T-shirt for $1920 from a factory calculate the cost of one T-shirt
o-na [289]

Answer: $12.80

Step-by-step explanation:

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6 0
3 years ago
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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
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