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zlopas [31]
3 years ago
12

Whats (8,2) and (9,3) in finding the slope from points

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
4 0
A (8, 2)
B (9, 3)
m =  \frac{yb - ya}{xb - xa}
m =  \frac{3 - 2}{9 - 8}
m =  \frac{1}{1}
m = 1
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Ray wants to buy an item worth $500. Which option is the most cost-effective?
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Ray wants to buy an item worth 500$ in the most cost-effective way. Let's study each of the 3 cases and see with option is the best.

In the first option, he'll buy the item at list price with a coupon for $10 off. So he'll buy it at 500-10 =$490.

In the second option, he'll buy a membership for $35 and then get the item at a 15% discount. With a 15% discount, the price of the item will be 500 - (500*0.15) = 500 - 75 = $425. And with the membership price, he'll pay a total of 425 + 35 = $460.

The third option is to buy the item online at a 10% discount and pay $4 for the shipping. At 10% discount, the price of the item will be 500 - (500*0.1) = 500 - 50 = $450. And with cost of the shipping, he'll pay a total of 450+4 = $454.


So if he chooses the first option, he'll pay $490. With the second, he'll pay $460. And finally with the third, he'll pay $454.

So the third option is the most cost-effective, buying the item at $454.

Hope this helps! :)

5 0
3 years ago
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It costs $36 for 4 movie tickets. What is the unit price
garik1379 [7]

Answer:

$9

Step-by-step explanation:

Total Unit (Movie Tickets) 4

Total Price: 36

36/4=9

Total $9

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3 years ago
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If the discriminant of an equation is negative, which of the following is true of the equation
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Solve for b:<br><br> 6b+14 = -7-b
vladimir2022 [97]

Answer:

b = -3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

6b+14=−7−b

6b+14=−7+−b

6b+14=−b−7

Step 2: Add b to both sides.

6b+14+b=−b−7+b

7b+14=−7

Step 3: Subtract 14 from both sides.

7b+14−14=−7−14

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Step 4: Divide both sides by 7.

\frac{7b}{7} = \frac{-21}{7}

b= -3

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2 years ago
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