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When do you have to use the common denominators?
You use them when there are 2 fractions with different denominators.
How many super keys are possible in DBMS having m attributes?
In dbms with m attributes 2^m-1 keys are possible. BY-ROHIT
What are the attributes of quadrilateral shapes?
They are plane (2 dimensional or flat) figures. They are closed shapes. They are bounded by four straight sides. Then there are others that follow from the general attributes of polygons.
How do you merge and sort an array using PHP?
To merge and sort an array in PHP you need to use the array_merge() and sort() functions like shown in the example below: <?php $array1 = array(1, 5, 3, 9, 7); $array2 = array(8, 2, 6, 4, 0); // merge the arrays $merge = array_merge($array1, $array2); // 1, 5, 3, 9, 7, 8, 2, 6, 4, 0 // sort the array sort($merge); // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ?>
Why do you use brackets in maths?
To seperate different sections of a sum;- 2 + 2 - 2 x 2 / 2 = 0 2 + 2 - 2 x (2 / 2) = 2 It can also change the meaning of a sum to something completely different.
