The diagram shows 3 identical circles inside a rectangle. Each circles touches the other two circles and the side of a rectangle, as shown in the diagram. The radius of each circle is 2mm.
Work out the exact area of the triangle.
Give your answer in the from “ a root3 + b” where a and b are integers.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

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im not sure

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step-by-step explanation:

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answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.