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Paladinen [302]
3 years ago
13

How to graph x+y=3 and x-y=1

Mathematics
2 answers:
guapka [62]3 years ago
7 0
Put them in y= mx+b format. . 
x+y=3 ---> y= -x+3 
x-y=1 ---> y= x-1 
The x's are your slope and the numbers are your y-intercept.
Hope it helps!
stich3 [128]3 years ago
6 0
Isolate y in both the equations so
x+y=3                                                     x-y=1
y=-x+3                                                    y=x-1
your y-intercept is 3                                y-intercept is -1
and slope is -1/1                                      slope is 1/1
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y = 16h is the equation that represents the situation, where "y" is the total cost to rent and "h" is the number of hours

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

Given that, cost y to rent an off road vehicle is proportional to the time that you rent it

Let "y" be the cost to rent the road vehicle

Let "h" be the number of hours rented for

Then, by given statement,

\text{ cost to rent the vehicle } \propto \text{ number of hours rented for }

y \propto h\\\\y = kh -------- eqn 1

Where "k" is the constant of proportionality

<em><u>Given that it costs $ 48 to rent it for 3 hours</u></em>

Therefore, y = 48 and h = 3

48 = k \times 3\\\\k = \frac{48}{3} = 16

<em><u>Substitute k = 16 in eqn 1</u></em>

y = 16 \times h\\\\y = 16h

Thus y = 16h is the equation that represents the situation

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AleksAgata [21]

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Sophie [7]

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<h3>What are Percentages?</h3>

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given Kelly wants to buy a dress that costs $40.00. She has a coupon for 25% off, and there is a 10% sales tax. Therefore, the amount she will pay is,

25% of $40.00 is,

0.25 × $40 = $10

After using the coupon, the sale price is,

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The 10% tax on the sale price is,

0.10 × $30 = $3

The final price is $

$30 + $3 = $33

Hence, the amount that Kelly will pay for the dress is $33.

Learn more about Percentages:

brainly.com/question/6972121

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3 0
2 years ago
At Putt Putt, they offer a special for unlimited mini golf. You decide to go golfing with your friends. After golfing and purcha
Anvisha [2.4K]

Answer:

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Step-by-step explanation:

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5 0
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Answer:

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