Answer:
Explanation:
![x^3-64x=x(x^2-64) = x(x+8)(x-8)](https://tex.z-dn.net/?f=x%5E3-64x%3Dx%28x%5E2-64%29%20%3D%20x%28x%2B8%29%28x-8%29)
using the formula for difference of square.
OKAY G !!!!!!!!!!!!!!!!!!!!!!!!!!!
1. <u>Too broad:</u> what will the economy be like in the future?
2. <u>Effective:</u> how can virtual reality (VR) be used in health care?
3. <u>Too narrow:</u> how many gallons of water will we use in 2025?
4. <u>Effective:</u> what are the best strategies for <u>increasing</u> food production in the future?
A research question can be defined as a specific inquiry (question) that a research work seeks to provide an answer or response to, especially by using scientific methods such as the following:
- Documenting critical information.
According to their nature, a research question is broadly classified as follows:
1. <u>Too broad:</u> what will the economy be like in the future?
- A country's economy has many facets and as such it would be difficult to write about what it would be like in the future in one research paper.
2. <u>Effective:</u> how can virtual reality (VR) be used in health care?
- Virtual reality (VR) is a modern technology that is effectively used by medical professionals in the field of medicine to provide health care for various patients.
3. <u>Too narrow:</u> how many gallons of water will we use in 2025?
- The quantity of water in gallons that would be used in 2025 can easily be calculated by using a simple formula and as such the answer to this question can be provided in a sentence.
4. <u>Effective:</u> what are the best strategies for <u>increasing</u> food production in the future?
- The best strategies to be adopted for an increase in food production in the future can be developed into a full research paper based on strategies that have been used in the past.
Read more on research question here: brainly.com/question/15623923
Answer:
2.000 colones
Explanation:
colones are el salvadors old currency so which it says was 2000 thoundes.