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lapo4ka [179]
3 years ago
13

I need help with questions 1, 2, and 3​

Mathematics
2 answers:
aalyn [17]3 years ago
8 0

Answer:

1. 26   2.  2    3.   4

Step-by-step explanation:

gizmo_the_mogwai [7]3 years ago
3 0

Answer:

1) 26%

2) 2%

3)18%

Step-by-step explanation:

1) the sausage slice in the pi chart is the same size as the mushroom slice, and the mushroom slice is 26%. And both the sausage slice and the mushroom slice makes up half the pi chart.

2) 2% more people like bacon than ham, 14-12=2

3) 14 + 26=40 12+10=22 40-22=18 18% more people like bacon or sausage then ham or peporoni.

if you need the numbers of people not the percentages let me know, I think ill know the answer.

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<u>Step-by-step explanation:</u>

To prove:

\cos 3x=\cos^3x-3\sin^2 x\cos x

Identities used:

\cos(A+B)=\cos A\cos B+\sin A\sin B      ......(1)

\sin 2A=2\sin A\cos A        ........(2)

\cos 2A=\cos^2A-\sin^2 A     .......(3)

Taking the LHS:

\Rightarrow \cos 3x=\cos (x+2x)

Using identity 1:

\Rightarrow \cos (x+2x)=\cos x\cos 2x-\sin x\sin 2x

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As, LHS = RHS

Hence proved

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