you would divide 3.45 by 3 to get 1/4, which is 1.15, then multiply that by 4 to get the cost for one pound, which is 4.6. multiply 4.6 times 7.2 to get your answer of 33.12

5 0

3 years ago

Four students want to have their picture taken together. They will stand side-by-side for the picture. In how many different way

yulyashka [42]

Answer:

24 ways

Step-by-step explanation:

<u>This is the permutation of 4:</u>

4P4 = 4! = 1*2*3*4 = 24 ways

8 0

3 years ago

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Prove that : tan^2(theta) - tan^2(alpha) = sec^2(theta) - sec^2(alpha)​

Prove that : tan^2(theta) - tan^2(alpha) = sec^2(theta) - sec^2(alpha)