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klio [65]
3 years ago
13

I think it's either C or D but I'm not sure plzzz help me !?!?!?!

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0
Using th epythagorean theorem.

52^2-48^2= x^2

2704-2304= x^2

400=x^2

x=20

Final answer: D
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Answer:

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Which number can you add to 15 to get a sum of 0? (-10 -15 15 0 )
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4 0
3 years ago
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
nirvana33 [79]

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 = \frac{3.978}{0.153}

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.

Learn more,

brainly.com/question/2883790

3 0
2 years ago
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