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MrMuchimi
3 years ago
9

A linear function has the same y-PLEASE PLEASE HELP!!!!intercept as x+2y=10 and it’s graph contains the point (9,7) find the slo

pe of the linear function slope
Mathematics
1 answer:
Anastasy [175]3 years ago
7 0

Answer:

I think it is 2/9 or 0.22

Step-by-step explanation:

You know they have the same y intercept, so first you should find the y intercept of the givern equation.

<em>x+2y = 10   </em>

<em>2y = -x + 10        [subtract x]</em>

<em>y = -.5x + 5          [divide by 2]</em>

Now you have the equation in graph form, and know the y intercept is 5.

If the unknown function has the same y intercept, you know it contains the point (0,5), and it is given that it includes the point (9,7)

now that you have two points, you can use slope formula.

<em>(y2 - y1)/(x2-x1)</em>

<em>(change in y)/(change in x)</em>

so,

<em>(7-5)/(9-0) = 2/9 = 0.2</em>

someone please correct me if i'm wrong:)

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Answer:

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b) Round all dollar values to the nearest cent.

Rounding $3.82 dollars to the nearest cents

$1 = 100 cents

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Step-by-step explanation:

Lets day the original price of the DVD player was $100

We are told the price was marked down to 36%

36% of $100 = $36

$100 - $36 = $64

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Lets the original price of the Stereo player was $100

We are told the price was marked down to 22%

22% of $100 = $22

$100 - $22 = $78

We are told the DVD cost $69.42 after the markdown.

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$23.40 - $19.58 = $3.82

Therefore,the DVD player's price was reduced by $3.82 more than the stereo tuner's price

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MA_775_DIABLO [31]

Answer:

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Answer:

Step-by-step explanation:

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