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meriva
3 years ago
13

Abril earned a total of $60 mowing lawns around her neighborhood. she charges $8 an hour and received $20 in tips .use the equat

ion 8h+20=60 to determine h, the number of hours she spent mowing lawns​
Mathematics
1 answer:
zmey [24]3 years ago
5 0

Answer:

She spent 5 hours mowing lawns.

Step-by-step explanation:

To solve, we will just use some algebra

8h + 20 = 60 | Subtract 20 from both sides

8h = 40 | Divide both sides by 8

h = 5

We can confirm this by plugging it back into the original formula.

8(5) + 20 = 60

40 + 20 = 60

60 = 60

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A line that includes the points (- 3, - 10) and (- 4,v) has a slope of - 4. What is the value of v?
tekilochka [14]

Answer:

The value of v with given slop and points is - 6

Step-by-step explanation:

Given as :

Let x and y be the points of a line

So, x = ( - 3 , - 10 )    And  y = ( - 4 , v )

The given slop of line XY is - 4

Now, from slop equation :

Slop = \frac{(y2 - y1)}{(x2 - x1)}

Or, - 4 = \frac{(v + 10)}{(- 4 + 3)}

Or, - 4 =  \frac{(v + 10)}{(- 1)}

Or, v + 10 = ( -4 ) × (- 1 )

Or, v + 10 = 4

∴    v = 4 - 10 = - 6

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4 0
3 years ago
Please show steps to answer
Schach [20]

I hope this helps you

3 0
2 years ago
Suppose that you need to build as many chairs as possible. Each chair requires one seat, one back, and four legs. If you have 12
GrogVix [38]

Answer:

  legs limit the number of chairs that can be built

Step-by-step explanation:

The maximum number of chairs that can be built will be the minimum of the number of parts divided by the number of parts needed for each chair, as computed across the different kinds of parts required.

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The maximum number of chairs that can be built will be the minimum of 12, 15, and 11. That is, 11 chairs can be built, limited by the number of available legs.

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Step-by-step explanation:

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damaskus [11]

Answer:

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Step-by-step explanation:

hope dis helped:)

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