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gregori [183]
3 years ago
7

Randi earned a profit of $60.00 on her last snow shoveling and salting job. Write an equation that can be solved to find how man

y hours Randi spent shoveling and salting to earn a profit of $60.00. HINT: Randi charges $25 an hour to shovel and salt. She pays $3 for salt. It costs her $2 to replace a shovel. Profit for this job = $60.00
Write your answer in the form of an algebraic equation . You do not have to solve the equation, but you will need to use your equation to complete the next test question.
Mathematics
1 answer:
pishuonlain [190]3 years ago
4 0

Answer:

Step-by-step explanation:

$25x + $2 + $3

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A linear function has an x-intercept of 12 and a slope of 3/8. How does this
Alekssandra [29.7K]

Answer:

O It has the same slope and a different y-intercept.

Step-by-step explanation:

y = mx + b

m = 3/8

b = 12

y = (3/8)x + 12

---

Data in the table:  slope is the rise (y) over the run (x) between two points (assuming the data represent a linear line).

 Change in x and y between two points.  I'll choose (-2/3,-3/4) and (1/3,-3/8).

Change in y:  (-3/8 - (-3/4)) = (-3/8 - (-6/8))  =  3/8

Change in x:  (1/3 - (-2/3)) = (1/3+2/3) = 3/3 = 1

Slope = (Change in y)/(Change in x) = (3/8)/1 = 3/8

The slope of the equation is the same as the data in the table.

Now let's determine if the y-intercept is also the same (12).  The equation for the data table is y = (2/3)x + b, and we want to find b.  Enter any of the data points for x and y and then solve for b.  I'll use (-2/3, -3/4)

y = (3/8)x + b

Use (-2/3, -3/4)

-3/4 =- (3/8)(-2/3) + b

-3/4 = (-6/24) + b

b = -(3/4) + (6/24)

b = -(9/12) + (3/12)

b = -(6/12)

b = -(1/2)

The equation of the line formed by the data table is y = (3/8)x -(1/2)

Therefore, It has the same slope and a different y-intercept.

5 0
2 years ago
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Answer:

7/11

Step-by-step explanation:

This is the only fraction without a 1 in its numerator.

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Answer:

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Step-by-step explanation:

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Step 2: Divide both sides by 3y+1.

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so x = 6/3y+1

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Answer:

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