3 years ago

Which equation represents the same line as the table

Mathematics

2 answers:

Ronch [10]3 years ago

7 0

The answer should be A.)
*please mark brainliest If correct :-)

Nonamiya [84]3 years ago

5 0

Answer:

I think the second one I may be wrong tho

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372-199= What’s the answer

Montano1993 [528]

Answer:

Step-by-step explanation:

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zhannawk [14.2K]

Answer:

Step-by-step explanation:

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What is the ratio for the surface areas of the rectangular prisms shown below, given that they are similar and that the ratio of

Harrizon [31]

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4 years ago

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Mariulka [41]

I believe it would be G.

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3 years ago

Prove that sin20sin40sin60sin80=3/16

never [62]

We'll use the following properties of sine and cosine to prove this:

$sin(a)\cdot sin(b) = \frac12(cos(a-b) - cos(a+b))$

$cos(a)\cdot cos(b) = \frac12(cos(a+b) + cos(a-b))$

$cos(180+a) = cos(180-a)$

Then it's just a matter of filling it in...

sin20sin40 * sin60sin80 = 1/2(cos20 - cos60) * 1/2 (cos20 - cos140) =

1/8( cos40 + 1 - cos160 - cos120 - cos40 - cos80 + cos80 + cos200) =

1/8(1 - cos160 - cos120 + cos200) =

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4 years ago