3 years ago

Rachel wants to know the mean price of all the sunglasses on a display rack.

2 answers:

8 0

The mean price of the sunglasses is $17.

If you add up all the values, you will get a total of 136. Now, divide this total by the total number of values.

There are 8, so 136 divided by 8 is 17. That is the mean.

Tems11 [23]3 years ago

5 0

Answer: 17 dollars I took the test this was the correct answer

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Sara went out for lunch with a group of 25 friends. Each person purchased either a sandwich for $4.00 or a bowl of soup for $3.5

Brrunno [24]

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4 0

2 years ago

Establish the identity.<br> (2 cos 0-6 sin 0)² + (6 cos 0+2 sin 0)2 = 40

kogti [31]

Rewriting the left-hand side as follows,

$(2\cos\theta-6\sin \theta)^2 +(6\cos \theta+2\sin \theta)^2\\\\=4\cos^2 \theta-24\cos \theta \sin \theta+36 \sin^2 \theta+36 \cos^2 \theta+24 \cos \theta \sin \theta+4 \sin^2 \theta\\\\=40\cos^2 \theta+40 \sin^2 \theta\\\\=40(\cos^2 \theta+\sin^2 \theta)\\\\=40$