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1 year ago

Which of the following is considered a SBR data collection method

SAT

1 answer:

Dafna1 [17]1 year ago

7 0

Some SBR data collection methods are:

Questionnaires (written questions)
Interviews

<h3>What is Data Collection?</h3>

This refers to the various means through which data is collated, analyzed, and used.

Hence, we can see that based on the data collection used by SBR, we can see that questionnaires and interviews are some of the data collection methods used by them.

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Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.

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Acetic acid and ether are pure substance because they can not be further broken down.

<h3>What is a homogeneous mixture?</h3>

A homogenous mixture consists only of single phase. A solution is comprised of a solute and a solvent while a colloid is a false solution.

The following is a classification of each of the items;

1- Acetic acid - pure substance

2- Ether - pure substance

3- Vinegar - homogeneous mixture

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Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.

1- Acetic acid

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1 year ago

You are at a pizza parlor that offers four toppings: anchovies, olives, pineapples, and sausage. how many different combinations

nata0808 [166]

The number of different combinations of these items that you can make if you choose four (4) toppings is equal to 1.

<h3>How to calculate the combinations of these items.</h3>

In order to determine the combinations of these items that this person can make, we would use this mathematical model known as combination.

Mathematically, combination is calculated by using this mathematical equation:

$_nC_r = \frac{n!}{r!(n-r)!}$

<u>Where:</u>

n is the total number of items.

r is the number of times of choosing items.

<u>Given the following data:</u>

Number of toppings = 4.

Let us assume you'll choose four (4) toppings.

Substituting the given parameters into the formula, we have;

⁴C₄ = 4/4

⁴C₄ = 1.

Read more on combination here: brainly.com/question/17139330

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