2 years ago

#4 is tough for me can you help me and explain how you got the answers.

1 answer:

4 0

You put the scores in order from least to greatest, then you have to find the middle number. Now you will end up with two middle numbers you add them and divide by 2 then u have it answer.

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If I am putting carpet in my basement, how many square feet of carpeting do I need if the room is 20ft.x10ft.?

kogti [31]

It would be: 20* 10 = 200 ft²

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8 0

2 years ago

Factor the algebraic expression below in terms of a single trigonometric function. sin 2x + sin x - 2

Pie

Answer:

The factored form is (sin x +2)(sin x-1)

Step-by-step explanation:

We have been given the trigonometric function $\sin^2 x +\sinx-2$

We can factor this by AC method. In AC method we multiply the term a and c and then write the middle term b in such a way that the sum/difference is equal to the product 'ac'

Using the method, we can write sinx as 2sinx -sinx

$\sin^2 x +2\sinx-\sin x-2$