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Arlecino [84]
3 years ago
14

Determine the number of solutions, y=x+2 and x=-1

Mathematics
1 answer:
anyanavicka [17]3 years ago
4 0

There is only one solution.

y = x+2

x = -1

Substitute x = -1  in y = x+2

y=-1+2

y = 1

We only get the single value of y and x so It's clear that there's only one solution.

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The answer would be 1/2
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Which ordered pair is the best estimate for the solution of the
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If gasoline sells for $1.25 per gallon, how much would 3 3/5 gallons cost? express your answer as a decimal
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3 3/5 gallons of gasoline would cost $4.50

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8 0
3 years ago
Read 2 more answers
2. A pet food company wants to know the number of pets owned by adults ages 21 to 70. The frequency table shows the data from a
ludmilkaskok [199]

Answer:

3.6669

Step-by-step explanation:

Given is a frequency distribution and we are expected to find the mean of the distribution.

Let X be the no of total pets owned and f be the number of adults owning those pets.

                                                          Total

x   1    2    3           4          5                   6                 7    

F 248 567 1402 728         419                 456                203     4023

x*f 248 1134 4206 2912 2095        2736         1421     14752

       

Mean        3.666915237

Thus we find the total of all frequencies and then sum of product of x*f.

Mean = sum of f*x/sum of x

Here mean= 3.6669

7 0
3 years ago
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