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leonid [27]
3 years ago
11

Help me out with 1 - 8 please.

Mathematics
1 answer:
Lunna [17]3 years ago
4 0
The picture is blank on my phone so I can’t see the problems :(
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What is the product of (x-2)(x-6)? *
belka [17]

Answer:

x^2-4x+12

Step-by-step explanation:

(x-2)(x-6)

x(x-6)-2(x-6)

x^2-6x-2x+12

x^2-4x+12

7 0
2 years ago
Read 2 more answers
Use the circle graph below to answer the question.
Digiron [165]
500 people were surveyed
8 0
3 years ago
Read 2 more answers
In an experiment examining the effects Tai Chi on arthritis pain, Callahan (2010) selected a large sample of individuals with do
Volgvan

Answer:

a) Participants in Tai Chi course

b) Nominal

c) Magnitude of arthritis pain

d) Ordinal

Step-by-step explanation:

TYPES OF VARIABLES:

  • Independent Variable:

An independent variable is the one controlled or changed in an experiment to test the effects on the dependent variable. If this variable is changed, there shall be effects on the experiment.

In this case, number of participants in the course was independent.

  • Dependent Variable:

Dependent variable is the one being tested and measured. If the independent variable changes, this variable will show the effect of the changes.

<em>The variables can be determined by their cause and effect on the experiment.</em>

TYPES OF SCALES:

<em>There are two variations in types of scales; Quantitative and Qualitative.</em>

<em>Qualitative variables are measured by either nominal or ordinal scale, while quantitative variables are measured by ratio or interval.</em>

  • Nominal scale:

Nominal scales assign identifiers as labels to objects or classes of objects. The  assigned numbers carry no additional meaning except as identifiers for example: patient A, patient B etc.  

  • Ordinal scale:

Ordinal scales assign numbers to objects to rank  an attribute. For example: Level of pain 1 - 10, Level of satisfaction etc.

  • Interval:

In an interval scale, numbers are  assigned to objects such that the interval helps in interpretation of the variables. For example: age of patients: 30 - 40, 40 - 50 etc.

  • Ratio:

Ratio scales includes an absolute “zero” point. For example, Rate of arthritis in patients of a particular age etc.

4 0
3 years ago
Can someone please explain step by step on how I can get the answer? If so I’ll mark you brainliest
krok68 [10]

Answer:

3

Step-by-step explanation:

18 factors to 2, 3, 3

45 factors down to 5,3,3

6 0
2 years ago
Help! How Can I Determine the interval in which the function is increasing.
Anuta_ua [19.1K]

Answer:

(2,\infty)

Step-by-step explanation:

After x=2, we see that the change in y over the change in x is positive since both variables increase with each other, so (2,\infty) is where the function is increasing.

3 0
2 years ago
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