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vovikov84 [41]
3 years ago
15

A computer program found that the line y=3x - 52 is the best line of best fit to represent the temperature outside and the amoun

t of ice cream sold on the beach. If the temperature is predicted to be 50 degrees tomorrow, how much ice cream can they expect to sell?​
Mathematics
1 answer:
Aliun [14]3 years ago
4 0

Answer:

98

Step-by-step explanation:

given x = 50

=> y = 3(50)-52 = 150-52=98

the ice cream they can expect to sell = 98

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Answer:

The point (2,12) is not a solution of the system

see the explanation

Step-by-step explanation:

we have

y=5x+2 ----> equation A

4x-y=0 ----> equation B

Solve the system by elimination

Adds equation A and equation B

y=5x+2\\4x-y=0\\------\\y+4x-y=5x+2+0\\4x=5x+2\\5x-4x=-2\\x=-2

Find the value of y

substitute the value of x in the equation A

y=5(-2)+2=-8

The solution of the system is the point (-2,-8)

The system has only one solution, because the intersection point both lines is only one point

therefore

The point (2,12) is not a solution of the system

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Step-by-step explanation:

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