Question:
If x = 2, y = 3 and z = -5, then x^2 + y^2 +2z = ?
Answer:
Explanation:
Given
Required
Determine 
Substitute values for x, y and z in the above expression:
Answer: descriptive because the scientists are writing down observations but not making comparisons
Explanation:
The options are:
a. comparative, because the scientists will be making observations in order to form a hypothesis
b. comparative, because the scientists are measuring dependent and independent variables.
c. descriptive, because the scientists are using independent variables to test a hypothesis.
d. descriptive, because the scientists are writing down observations but not making comparisons.
The best option that describes this type of investigation is descriptive because the scientists are writing down observations but not making comparisons.
The descriptive investigation is simply used to describe a phenomenon. A descriptive investigation gives an accurate and factual descriptions of a particular without comparing them.
The root word, prefix and suffix of the word "hemoglobinopathy", respectively are:
- Haima
- Hemoglobino
- Pathy
<h3>What is the
Root, the
Prefix and the
Suffix of a word?</h3>
The root of a word is that fragment of the same from which it comes according to a previous language, in the case of English, the language from which it is derived is Latin. Thus, it is identified that the word "hemo" comes from the Latin word "haima" which translates blood.
On the other hand, prefixes are those words or syllables that are used at the beginning of a compound word to give it a certain meaning or modify its translation, in this case the prefix is "hemoglobin" which refers to something that alludes to blood.
Finally, suffixes are syllables that are added to the end of a word to change its direction, in this case the suffix is "pathy" which refers to some kind of disease.
More information about Grammar: brainly.com/question/1952321
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