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
259.378 = 0.153(x) + 255.4
0.153x = 259.378 - 255.4
0.153x = 3.978
x =
x = 26
That means given average reading score 259.378 will be 26 years after 1970.
Therefore, 1996 is the year in which the average reading score will be 259.378.
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brainly.com/question/2883790
Answer:
x<1.5
explanation: move 4 to other side subtract it with 26.5 then divide it by 15
18 - 2,3,6,8
24 - 2,4,6,8,12
HCF = 8
Answer:quotient property
Product property
Step-by-step explanation:
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Answer:
70+30x-140
Step-by-step explanation:
(7x+3) (10x-14)
70-98+30x-42
70+30x-42-98
70+30x-140