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castortr0y [4]
3 years ago
14

The equations given are in standard form. Put each equation in slope-intercept form. State the slope and the

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0

Answer:

3. \displaystyle y = \frac{2}{5}x + 1\frac{2}{5}

2. \displaystyle y = -\frac{5}{7}x + 2

1. \displaystyle y = -2x + 4

Step-by-step explanation:

3. 2x - 5y = −7

- 2x - 2x

__________

\displaystyle \frac{-5y}{-5} = \frac{-2x - 7}{-5} \\ \\ y = \frac{2}{5}x + 1\frac{2}{5}

2. 5x + 7y = 14

- 5x - 5x

__________

\displaystyle \frac{7y}{7} = \frac{-5x + 14}{7} \\ \\ y = -\frac{5}{7}x + 2

1. 6x + 3y = 12

- 6x - 6x

__________

\displaystyle \frac{3y}{3} = \frac{-6x + 12}{3} \\ \\ y = -2x + 4

I am joyous to assist you anytime.

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At the start of the diet keirin weighted 14 stone 13 pounds three months later he weighted 13 stone 10 pounds there are 14 pound
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Answer:

The amount of weight he has lost in 3 months is 1.215 stone or 1 stone 3 pounds

Step-by-step explanation:

From the above question, we are to calculate the amount of weight he has lost in three months

1 stone = 14 pounds

Let's convert all the weight lost to stone

At the start of the diet keirin weighted 14 stone 13 pounds

14 pounds = 1 stone

13 pounds = x

Cross Multiply

14x = 13

x = 13/14

x = 0.9285714286 stone

Approximately = 0.929 stone

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Three months later he weighted 13 stone 10 pounds

14 pounds = 1 stone

10pounds = x

Cross Multiply

14x = 10

x = 10/14

x = 0.7142857143 stone

Approximately = 0.714 stone

Hence:

13 stone 10 pounds = 13 + 0.714 = 13.714 stone

The amount of weight he has lost is calculated as:

14.929 stone - 13.714 stone = 1.215 stone or 1 stone 3 pounds

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