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Tutor profile: Brittaney S.

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Brittaney S.
Tutor for 6 years & a Current Certified Math/Science Teacher.
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Questions

Subject: Writing

TutorMe
Question:

In some countries levels of health and fitness are decreasing and average weights are increasing. What do you think are the causes of these problems and what are some possible solutions?

Inactive
Brittaney S.
Answer:

There are likely many causes of increasing body masses and decreased physical fitness levels in countries around the world, but the largest contributors to this issue are fast food and the increase in sedentary lifestyles. In many countries around the world, fast food is becoming more prevalent. These fast-food restaurants are appealing to many because they are a cheap, easy dining option. However what people gain in convenience and low-cost they lose in nutrition. Fast food items such as burgers, fries and pizzas are full of oils, fats and excessive calories. In addition, they have very few vitamins, minerals or other important nutrients. Eating too many of these types of foods too often can cause weight gain and other health issues. Therefore it is no surprise that as people choose to eat at these establishments more often, they are steadily gaining weight. Concurrent to the increase in fast food, people are living more sedentary lifestyles than ever before. Less time is spent outside and more time is spent on the couch or in front of some kind of screen. As technology has advanced and things like televisions and video game consoles have become more accessible, more households are using these items as their main form of entertainment. This technological advance has also caused an increase in desk jobs, where employees spend many hours seated in front of a computer screen. With this drastic increase in screen time there has been a corresponding decrease in physical activity. This decrease in time spent on physical activities has resulted in an overall decrease in fitness levels. Ultimately there are many potential culprits for the decrease in health and fitness and increase in body masses around the world. However two of the largest factors affecting our overall health are clearly our diet and our exercise choices. Therefore, fast food and sedentary lifestyles are largely to blame for these changes in countries around the world.

Subject: Basic Math

TutorMe
Question:

Sarah's income is 650 dollars per week. Sarah pays 200 dollars per week in bills. How much money does Sarah keep in a year after paying all of her bills?

Inactive
Brittaney S.
Answer:

First let's determine how much money Sarah makes in a year. There are 52 weeks in a year so: 650x52=$33800 Next let's figure out how much money Sarah spends paying her bills each year: 200x52=$10400 Now to figure out how much money Sarah has left, we take how much money she makes in a year and subtract how much money she spends paying her bills each year: $33800-10400 = $23400

Subject: Algebra

TutorMe
Question:

Subtract 3(x^2+1)^2 from 6x^3-9x^2-13x-4

Inactive
Brittaney S.
Answer:

We are being asked to do the following (numerically) 6x^3-9x^2-13x-4-3(x^2+1)^2 First expand the term in brackets: 6x^3-9x^2-13x-4-3(x^4+2x^2+1) Now simplify the expression: 6x^3-9x^2-13x-4-3x^4-6x^2-3 Lastly combine like terms in order to simplify your expression. be sure to write your final answer with the highest coefficient as the first term and work your way downwards: -3x^4+6x^3-15x^2-13x-7

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