Cotx - tanx +4sin2x = 2/ sin2x

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Answer 1
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Answer:

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Which statement justifies that x2 + 3x − 1 multiplied by 2x2 − 2x + 1 obeys the closure property of multiplication?(A)The result 2x4 − 6x2 − 1 has a degree of 4. (B)The result 2x4 − 6x2 − 1 is a trinomial. (C) The result 2x4 + 4x3 − 7x2 + 5x − 1 has a degree of 4. (D)The result 2x4 + 4x3 − 7x2 + 5x − 1 is a polynomial.

The product of c and 7 is greater than -27

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hii, I think you forgot to add a question :)

Explain whether the figuers in b and d have the same area

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b and d do have the same area d is just b facing the other way

Subtract: 3x^2 - 7x + 4 from 5x^2 - 3x + 8.

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subtrace x from y means y-x so
subtract 3x^2-7x+4 from 5x^2-3x+8 means
5x^2-3x+8-(3x^2-7x+4)=
5x^2-3x+8-1(3x^2-7x+4)
5x^2-3x+8-3x^2+7x-4=
5x^2-3x^2-3x+7x+8-4=
2x^2+4x+4

The Wilsons have triplets and another child who is fourteen years old. The sum of the ages of their children is 32. How old are the triplets?

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32 minus 14 then divide that by 3 so they are all 6

Please give the correct answer and the solution if you can

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Answer:

the answer is b the solution is 6

a blueprint for a fence has a scale of 1:40. the fence in the blueprint is 6 in. what is the length of the actual fence ?

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240 in or 20 ft; Since the scale is 1:40, Every 1 spot on the scale is equal to 40. So 6 times 40 equals 240 in. or 20 ft 
240 inches / 2 feet is the answer. Check the other answer for an explanation.