3 years ago

How do you solve this??

Mathematics

2 answers:

Dafna1 [17]3 years ago

8 0

The sum in the line is 180

vovikov84 [41]3 years ago

7 0

Answer:

The sum of this entire line is 180, so to solve this we would subtract 20 from 180, which means x = 160.

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The average reading score on certain tests is given by y = 0.153x + 255.4, where x is the number of years past 1970. In what yea

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Average reading score is given by the expression,

y = 0.153x + 255.4

Here, x in the number of years past 1970.

To find the year in which the average reading score is 259.378, substitute the value of 'y' in the given expression.

y = 0.153x + 255.4

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