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ss7ja [257]
3 years ago
10

The Barker family just left the local pet store with Lucky, their new family dog. The pet store owner told the Barker family tha

t for the next 6 months, Lucky would grow at an average rate of 9 pounds per month. Currently, Lucky is 2 months old and weighs 3 pounds.
Age, in months 2 3 4 5 6 7 8
Weight, in pounds 3

Part A: Complete the given table that represents Lucky's current weight, in pounds, as a function of his age, in months.
Part B: Graph the data in the table from Part A. Be sure to label the graph and all data points.
Part C: Create a linear model that represents the Lucky's current weight, in pounds, as a function of his age, in months.
Part D: If Lucky continues to grow at the rate of 9 pounds per month beyond the expected six months, how much will Lucky weight by the time he is one year old?
Mathematics
1 answer:
kumpel [21]3 years ago
3 0

Answer:

He will be 92 pounds by the time he is 1.

Step-by-step explanation:

If you add 9+3 thats 12. Then you keep adding nine until you did it 11 times. Then you will get his age.

                                           hope that helps

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Answer:

  • correct answer is C
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Step-by-step explanation:

If you simplify the given equation, you find it matches choice C.

  \dfrac{1}{2}(6-x)+3x=\dfrac{1}{2}x-8\\\\3-\dfrac{1}{2}x+3x=\dfrac{1}{2}x-8\\\\3+\dfrac{5}{2}x=\dfrac{1}{2}x-8\qquad\text{matches choice C}

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Haley's error seems to be failing to distribute the 1/2 properly when she eliminated parentheses. Apparent, she incorrectly decided that ...

  1/2(6 -x)  ⇒  3 -x . . . . instead of 3 -1/2x

Then when -x was added to +3x, she got 2x. Had she done it properly, she would have added -1/2x to +3x to get 5/2x.

_____

<em>Additional comment</em>

It is a common error to "distribute" the factor outside parentheses to the first term only, as Haley apparently did. Another common error is to fail to distribute minus signs properly. The distributive property requires you apply the outside factor to <em>all</em> of the terms inside parentheses.

5 0
2 years ago
A family of 6 is going to the fair. They have a coupon for $1.50 off each ticket. If they pay $46.50 for all their tickets, how
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Step-by-step explanation:

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Step-by-step explanation:

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The function formula is y = mx + b, where the y-intercept(b) is found by substituting in the values of a point on the line ⇒ (4, -6):

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