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4 years ago

8

Determine whether each equation is a linear equation. write yes or no. if yes, write the equation in standard form. if the answe

r is no, circle the part that makes it no
1. y = 4 - 2x

1 answer:

madam [21]4 years ago

5 0

YES. y = 4 - 2x is a linear equation.

the equation in standard form is;

2x + y = 4

hope this helped, God bless!

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If a line with a slope of -2 crosses the y-axis at (0,3), what is the equation of the line ?

MakcuM [25]

Y = -2x + 3

Slope is -2......and when x = 0 thats the y intercept.

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3 years ago

Joes employer will reimburse him $0.17 per mile driven. If Joe drives 107.78 miles on a business trip,

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Answer:

$18.3236

Step-by-step explanation:

If the employer reimburses $0.17 per mile driven, we just need to multiply $0.17 by the number of miles that Joe drives.

So, the mileage reimbursement for Joe is:

$0.17 * 107.78 = $18.3236

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3 years ago

you are running at a rate of 6 miles per hour. A write a function that represents the distance d traveled in h hours. B how many

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4 years ago

Santa's elves are selling

Andreas93 [3]

cost of one peppermint cookies = $ 0.6

cost of one cinnamon sugar cookies = $ 0.3

<h3><u>Solution:</u></h3>

Let "p" be the cost of one peppermint cookies

Let "c" be the cost of one cinnamon sugar cookies

<u><em>To find: cost of each cookie</em></u>

<h3><u><em>On the first day, they sold 120 peppermint cookies and 30 cinnamon sugar cookies for a total of $81</em></u></h3>

We can frame a equation as:

120 peppermint cookies x cost of one peppermint cookies + 30 cinnamon sugar cookies x cost of one cinnamon sugar cookies = $ 81

$120 \times p + 30 \times c = 81$

120p + 30c = 81 --------- eqn 1

<h3><u><em>The next day they made $60 by selling 70 peppermint cookies and 60 cinnamon sugar cookies</em></u></h3>

70 peppermint cookies x cost of one peppermint cookies + 60 cinnamon sugar cookies x cost of one cinnamon sugar cookies = $ 60

$70 \times p + 60 \times c = 60$

70p + 60c = 60 --------- eqn 2

Let us solve eqn 1 and eqn 2 to find values of "p" and "c"

Multiply eqn 1 by 2

240p + 60c = 162 --- eqn 3

Subtract eqn 2 from eqn 3

240p + 60c = 162

70p + 60c = 60

(-) -------------------------

170p = 102

<h3>p = 0.6</h3>

Substitute p = 0.6 in eqn 1

120p + 30c = 81

120(0.6) + 30c = 81

72 + 30c = 81

30c = 9

<h3>c = 0.3</h3>

<u><em>Summarizing the results:</em></u>

<em>cost of one peppermint cookies = $ 0.6</em>

<em>cost of one cinnamon sugar cookies = $ 0.3</em>

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3 years ago

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3 years ago

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