2 years ago

What is 2.91666666667 in fraction

Mathematics

2 answers:

ZanzabumX [31]2 years ago

4 0

Answer:

291666666667/100000000000

prisoha [69]2 years ago

3 0

Answer:

2 11/12

Step-by-step explanation:

11/12 is .91666666666667

2 is 2

2+ 11/12 = 2.91666666667

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What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the

marishachu [46]

The sum of all the measurements is just the average times the number.

$\bar x = \frac{1}{n} \sum_{i=1}^n x_i$

$\sum_{i=1}^n x_i = n \bar x$

So if the average of all 92 is 7 the sum of those is $92 \times 7$

The average of the last two is 7.2 so their sum is $2 \times 7.2$

That means the sum of the first 90 is $92 \times 7 - 2 \times 7.2$

so the average of the first 90 is

$\dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556$ cm

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2 years ago

If f(z)= sqrt z2+8z , then how much does f(z) increase as z goes from 7 to 8?

Nuetrik [128]

Answer:

Step-by-step explanation:

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