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torisob [31]
3 years ago
7

What number is midway between 2/5 and 1?

Mathematics
2 answers:
jeka57 [31]3 years ago
5 0
4/10 and 10/10:

7/10.
snow_lady [41]3 years ago
4 0

Answer: \frac{7}{10}

Step-by-step explanation:

To find the mid point 'c' between any two numbers 'a' and 'b' we apply the following rule:-

c=\frac{a+b}{2}

Now, the number is midway between 2/5 and 1 will be given by :-

\c=\frac{\frac{2}{5}+1}{2}\\\\\Rightarrow\ c=\frac{\frac{7}{5}}{2}....\text{[by taking LCM]}\\\\\Rightarrow\ c=\frac{7}{2\times5}\\\\\Rightarrow\ c=\frac{7}{10}

Hence, the number is midway between 2/5 and 1 =\frac{7}{10}

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Average reading score is given by the expression,

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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.

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       Therefore, 1996 is the year in which the average reading score will be 259.378.

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