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Lelechka [254]
2 years ago
5

(19)

Mathematics
1 answer:
aksik [14]2 years ago
4 0

Answer:

2s-11

51

Step-by-step explanation:

“N fewer than Y” is Y-N, so Liza has s-11 stickers while Betty has s. They have 2s-11 stickers combined.

If Betty has 31 stickers, s = 31 and they have 2s-11 = 62-11 = 51 stickers total.

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3 years ago
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A taxi driver had 43 fares to and from the airport last Monday. The price for a ride to the airport is $12, and the price for a
leva [86]

Answer:

(25,18) is the required solution.

Step-by-step explanation:

We are given the following in the question:

Let x be the number of trips to the airport and y represent the number of trips from the airport.

Total number of fares  to and from the airport = 43

Thus, we can write the equation:

x+y = 43

Price for a ride to the airport = $12

Price for a ride from the airport = $10

Total amount collected by the driver = $480

Thus, we can write the equation:

12x+10y=480

Solving the two equations, we get,

12x+12y-(12x+10y)=516-480\\\Rightarrow 2y =36\\\Rightarrow y = 18\\\Rightarrow x = 43-18=25

Thus, the driver made 25 trips to the airport and 18 trips from the airport.

The solution can be represented as (25,18)

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3 years ago
A solution of nitric acid has a boiling point of 120 degrees Celsius. What is the boiling point of the solution in degrees Fahre
qaws [65]
The answer is 248 degrees
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You are choosing between two health club. club a offers membership for a fee of $20 plus a monthly fee of $25. club b offers mem
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Convert 118 to radian measure.<br><br> Round your answer to the nearest hundredth.
dangina [55]

Answer:

2.06 rad

Step-by-step explanation:

To change degree measure to radian measure

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