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3 years ago

How many different strings can be made from the letters in aardvark, using all the letters, if all three as must be consecutive?

1 answer:

7 0

AARDVARK has 3 A's, 2 R's, 1 D, 1 V, and 1 K. If all three A's have to be together, then treat them as one letter. So there are a total of 6 "letters" to arrange. There would be 6! ways to arrange them if the "letters" were all different, but you have to keep in mind that there are 2 R's which are the same, so you need to divide out the number of ways to arrange the R's if they were different, which is 2!.

<span>So, in total, there are 6!/2! = 360 ways to arrange the letters in AARDVARK if all three A's must be consecutive.</span>

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Answer:

Option B is correct.

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Explanation:

The coordinates of ABCD are A = (-1,2) , B(1,1) , C =(1,-1) and D(-2,-2).

Rotation means moving the shape around a fixed point clockwise or anticlockwise, and by a certain number of degrees.

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4 years ago

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zalisa [80]

Answer:

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Step-by-step explanation:

Average rate of change:

The average rate of change of a function f(x) in an interval [a,b] is given by:

$A = \frac{f(b)-f(a)}{b-a}$

In this question:

$f(x) = 4x - 2, b = 4, a = 2$

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