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Mathematics 7 Online
mikewwe13:

The following graph represents the equation y = 1/5x + 1/5 https://d3upxwx9bggvi1.cloudfront.net/img/questions/arei10_1_007.png Which ordered pair is a solution to the equation? A. (0, 0) B. (4, 1) C. (1, 4) D. (1/5, 1/5)

mikewwe13:

@Vocaloid

Vocaloid:

look at the graph, then look at the answer choices which of the answer choices is a point on the line? try to think slowly before you answer

mikewwe13:

The answer is D

mikewwe13:

cause that's one of the ordered pairs

mikewwe13:

@Vocaloid

Vocaloid:

be sure your ordered pair also matches the equation y = (1/5)x + 1/5 does not give a y value of 1/5 when x = 1/5 try to see if any other answer choices are on the graph

mikewwe13:

oh i see it's C or B it's B

Vocaloid:

good, (4,1) is a point on the graph so B = your answer.

mikewwe13:

Mary wants to buy a dress which costs $200 from the money she gets by working overtime. She has already saved up $50 for the dress. The following graph shows the money she will get by working extra hours. https://d3upxwx9bggvi1.cloudfront.net/img/questions/arei10_1_231.png How many extra hours does Mary need to work so that she can buy the dress of her choice? A. 12 hours B. 16 hours C. 10 hours D. 14 hours

Vocaloid:

try to write an equation based on the problem or the graph y = mx + b where m is the slope of the graph and b is the y-intercept

mikewwe13:

the answer is either C or D but it's D

Vocaloid:

please follow my instructions

mikewwe13:

BUT HAVING SECOND THOUGHTS

Vocaloid:

again, please try and follow my instructions before attempting to guess an answer choice it will make the process faster and easier I promise if something in my instructions is unclear you are welcome to ask me to explain

mikewwe13:

How many extra hours does Mary need to work so that she can buy the dress of her choice? so the extra hours she has to work to buy her dress would be 12 hours to get it

Vocaloid:

good, 12 hours.

mikewwe13:

Aleta is shopping for new outfits. At the store where she is buying her new outfits, they are having a sale where all tops are $15 each and each pair of pants are $30 each. Aleta's mother gives her $210 to spend on the outfits. The following graph represents this scenario. https://d3upxwx9bggvi1.cloudfront.net/img/questions/arei10_1_015.png Select all the statements that correctly describe what the ordered pair (10, 2) represents. Aleta can buy 10 tops if she only buys 2 pairs of pants. Aleta can buy 10 pairs of pants if she only buys 2 tops. It is a solution to the equation that represents this situation. For every 2 pairs of pants that Aleta buys, she can buy 10 tops.

mikewwe13:

2 and 4 are the answers correct ?

Vocaloid:

4 is not one of the answers (she only has a limited amount of money so she cannot keep buying pants/tops forever) 3 is one of the answers because (10,2) is on the line and thus represents a solution to the equation so 3 and 1 only

mikewwe13:

so it's 3 and 1 ?

Vocaloid:

yes

mikewwe13:

thank you so much for your help, i really do appreciate your help every single time

Vocaloid:

no problem

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