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nadezda [96]
2 years ago
8

Calvin has a gift card which he is using to buy candy (x), and he has been tracking how much money (y) he spends. He noted that

after buying 4 pieces of candy (in all) he has $28.00 left on his card and then after buying 10 pieces of candy (in all) he has $25.00 left on his card. Write the equation of the line that represents his spending on candy.
Mathematics
1 answer:
nikklg [1K]2 years ago
5 0

Answer:

Negative Correlation

Step-by-step explanation:

The plot looks like it's going downwards. If it was an equation, it'd be something with y = -x +b.

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Yuri [45]

Answer:

a2b+ca2+ab2-b2c+bc2-c2a-abc

4 0
2 years ago
A child in a neighborhood had a lemonade stand where large cups sold for $0.75, medium cups sold for $0.60 and small cups for $0
chubhunter [2.5K]

Answer:

  • s + m + L = 78
  • 0.45s +0.60m +0.75L = 46.95
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Step-by-step explanation:

The problem statement asks for the number of each size cup sold. You are told there are three sizes, so it is convenient to use one variable to represent the number of cups of a given size that were sold—three variables total.The problem statements tell you the relationships between the numbers:

  • the total number of cups sold
  • the total value of cups sold
  • the relationship between numbers of one size versus other sizes

It is appropriate to write an equation for each of these relationships, for a total of three equations. (Here, the last of these equations is put into standard form to make it easier to translate this to a matrix equation for solving by calculator.)

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The solution is: 20 small, 37 medium, and 21 large.

4 0
3 years ago
The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the dis
Tatiana [17]
$1.36 will be added.
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6 0
3 years ago
What is the term for changes in allele frequency that happen randomly from
nataly862011 [7]

If this helps, feel free to make it brainliest answer!

The term would be genetic drift.

Genetic drift, also known as allelic drift, is one of the basic mechanisms of evolution, in which random changes in alleles from generation to generation in a population occur.

4 0
3 years ago
Read 2 more answers
Can some one give th the right anwser and no website plz ill give u brainlynest
mash [69]

Answer:44

Step-by-step explanation:

Just you the proportions:

so you will get (20*33)/15 which is equals to 44

4 0
3 years ago
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