3 years ago

If a and b are rational numbers and 6/(3√2-2√3 ) = a √2-b √3 , then find the values of a and b.

Mathematics

1 answer:

eduard3 years ago

6 0

Answer:

=3–√−13–√+1⋅3–√−13–√−1

=(3–√−1)23–√2−12

=3–√2+12−23–√3−1

=4−23–√2

2−13–√

a=2,b=−1.

Step-by-step explanation:

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Find the means of these numbers 3,7,2,9,4,7,3,7,5,2

Sholpan [36]

The "mean" of a group of numbers is also called their "average".

To calculate the mean, add up all the numbers, then
divide the sum by the number of items on the list.

Step #1: Addum up: 3+7+2+9+4+7+3+7+5+2 = 49

Step #2: Count the number of items on the list: I count 10 .

Step #3: Divide the sum by the number of items on the list.

49 / 10 = 4.9

The mean (average) of the numbers on that list is 4.9 .

6 0

3 years ago

Read 2 more answers

A carpenter has two lengths of wood; one is 108cm long and the other is 72cm long. He wants to cut them up to produce smaller pi

Y_Kistochka [10]

Answer:

36 centimeters.

Step-by-step explanation:

1. To solve this problem you must find the Greatest common factor.

2. List the prime factor of 108 and 72:

$108:(2)(2)(3)(3)(3)=(2^{2})(3^{3})\\ 72:(2)(2)(2)(3)(3)=(2^{3})(3^{2})$