The equation I’m going to be solving is: -0.11(3a+5) = 0.37(2a-1)
Step 1 to solving this equation -0.11•3a = -0.33a 0.37•2a = 0.74a
is to distribute the number outside -0.11•5 = -0.55 0.37•-1 = -0.37
the parenthesis to the numbers inside
Step 2, once you have your equation -0.33a-0.55 = 0.74a-0.37
rewritten you need to isolate the variable. +0.37 +0.37
To do this I started by adding +0.37 on both sides . = o.18
Now I’m left with the equation -0.33a+0.18 = 0.74a
Next I added -0.33a on both sides +0.33a +0.33a
I’m left with +0.18 = 1.07a as my new equation
Step 3 is to divide 1.07a on both sides so I’m left 0.18 = 1.07a
with just the variable on the left side and a new ____ ____
number on the left 1.07a 1.07a
My final answer is -0.17=a
After solving an equation it’s important to verify the solution. To verify this, I’m replacing the “a’s” in the equation with -0.17 because that’s what “a” is equal to.
-0.11 [(3•-0.17)+5] = 0.37 [(2•-0.17)-1]
0.056 -0.55 = -0.13 -0.37
-0.494 = -0.5
If both numbers on both sides of the equation sign are equal, then you know that -0.17=a is true.
Once I round -0.494 up to the closest decimal it will be equal to -0.5
I chose the results of US favourite music genres of 2014.
Rock seemed to be the most popular music genre with a lead of 7% more than the next. The second favourite was oldies with 33% of the population that voted. They found these statistics by looking at how many physical copies were sold, but later in 2016 they looked at the genre of songs people were downloading on their devices and noticed that hip hop or rap has taken the lead. I think the influencing factor is bias because they only checked the physical copies that were being sold at the time, this influenced the 0utcome of this poll because the majority of people that purchase cds are the older generation. They should’ve also analyzed the digital downloads and purchases of music because now a days thats what people use to listen to music.
In my opinion I think that statistics play an important role in our society. We use statistics in almost everything, like media, our jobs, laws, school and sports. We base a lot of our opinions on what these statistics say. We always seem to believe these statistics even though they could be lying and fooling us.
From reading this article, I believe that statistics can improve many things in our society. For example drinking and driving, when people are aware of the statistics of how many car accidents are caused by driving under the influence of alcohol, they become more cautious with their decisions. Having real evidence and numbers to prove something is a more persuasive way to convincing someone than by just telling them.
In almost all statistics there are at least 1 influencing factor, which will affect the outcome and numbers of the statistics.
When I first read the article about the Nova Scotia Sunday Shopping Referendum I thought it was very biased, considering the people who took the survey are most likely ones who work in retail and would prefer to have Sundays off. I think that they should still be able to shop on Sundays, but all stores should only be open for a short amount of time, in case if anyone really needs to buy something. After learning about the influencing factors, I still think that it is bias and the timing of it may have an effect on the peoples answers. If the survey were to be taken a few weeks before Christmas, I think the votes would be different. In the future when interpreting survey data I will make sure to think of the influencing factors and their effects on the outcome of the survey.
For my visual representation of adding and subtracting fractions I did 3/5 and 1/2. First I found the common denominator which was 10. I multiplied the 3 and 5 by 2 to get 6/10 and then 1 and 2 by 5 to get 5/10. I then cut my apple into 10 pieces.
For .my addition I added 6 apples out of 1o and then 5/10. Which gave me 11/10 because 6 + 5= 11
. So in total I had one apple and 1/10
Then, for my subtraction I started with 6/10 apples and then took away 5/10 apples. This subtraction gave me 1/10 because 6-5=1.
How might your digital footprint affect your future opportunities? Give two examples.
One example of your digital footprint affecting your future is if you’re applying for a job. Nowadays, the person that is hiring you will look you up on the internet to find more personal information. Therefore, if inappropriate images or something bad that you’ve said comes up when searching you; even if it’s from years ago, you could be denied a job position.
Another example on how it could affect you is when you’re applying for university or college. This example has similar reasons to the first one. The only difference is, is that now the place you are applying at will deny your education because of something inappropriate you could have done years ago.
Describe at least 3 strategies you can use to keep your digital footprint appropriate and safe
The first thing to do to keep yourself safe on the internet is to make all your social media accounts private. This prevents people you don’t kn0w from seeing your pictures, tweets, etc and keeps them from direct messaging you.
The second thing you should do is make sure your passwords are very secure. This will make it harder for people to hack you. Also don’t use the same password for everything. If somebody finds out your password for one website, or app they now have the password for all of your accounts.
Finally, to maintain an appropriate digital footprint, you should follow the guidelines of the site. don’t post pictures with nudity, use course language and mention alcohol and drugs. Also don’t follow any accounts that have this content. Another way to maintain appropriate is to not say anything racist, sexist, or anything on those lines.
What information did you learn that you would pass on to other students? How would you go about telling them?
I’ve learned that everything you do online is recorded. Everything you’ve searched on the internet and every website you’ve been on. Its not just what comes up when searching you that’s on your document.
If the topic came up in a conversation I would tell them to never say or do anything inappropriate online, as well as even though you’ve deleted something, its never actually erased from from your digital file. Also to keep your accounts on social media private.
A) and E), B) and F), C) and G) are equivalent. These equations have the same answers because even they were different to begin with, the zero pairs were added which made the answers the same.
This activity helped me further understand the steps on how to find the answer for an integer.
Students need to know that using a visual way of figuring out integers can help you better understand them.
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