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Lesechka [4]
2 years ago
15

It is given that y=ax²-3. Express a in terms of x and y.

Mathematics
1 answer:
Elena-2011 [213]2 years ago
7 0
A=(3+y)/x^2
Hope this helps
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there are 103 students eating lunch in the cafeteria. each table seats 4 students. all the tables are full except for 1 table. h
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4*25= 100. There are 26 tables. At each of the 25 tables 4 people are sitting. Which means 100 people are sitting in complete tables of 4 people. That means that at the 26th table 3 people are sitting. 103-100= 3. Hope that helps. :) 
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3 years ago
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Kalpana is rescuing a hiker. On Kalpana's GPS tracker, positive numbers represent the elevations of hikers above her, and negati
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the correct answer is A, (The hiker is 371 m below Kalpana.)

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Rachael needs to rent a car while on vacation. The rental company charges $17.95, plus 19 cents for each
Scorpion4ik [409]

Answer:

116 miles

Step-by-step explanation:

We can solve this by first writing an equation for the cost of the car rental. To begin, the base cost is $17.95, so any further costs must be added to that. Next, the car costs 19 cents (0.19 dollars) for each mile driven, so for each mile, we add 19 cents. This can be written as 0.19 *x if x represents the amount of miles driven. Therefore, we can add the two input costs of the car (the base cost and cost per mile) to get

17.95 + 0.19 * x = total cost.

After that, we want to maximize x/the number of miles with only 40 dollars. We can do this by setting this equal to the total cost, as going over the total cost is impossible and going under would be limiting the amount of miles (this because we are adding money for each mile, so more money means more miles). Therefore, we have

17.95 + 0.19 * x = 40

subtract 17.95 from both sides to isolate the x and its coefficient

22.05 = 0.19 * x

divide both sides by 0.19 to isolate x

22.05/0.19 = x = 116.05

The question asked us to round down, and 116.05 rounded down is 116 for our answer

5 0
2 years ago
Marlon has 4 cards, Jake has 4 cards, and Sam has 3 cards. can you write a multiplication sentence to find how many cards they h
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Step-by-step explanation:

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2 years ago
Solve 5g= 20
Ronch [10]

Step-by-step explanation:

divide each side by 5 is the correct justification please give thanks

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