8 months ago

PLEASE HELP ME WITH MY REVISION:

Mathematics

1 answer:

8090 [49]8 months ago

4 0

I think this is the answer

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In Minnesota, the current temperature is 35.7 o F and is dropping 2.5 o F every day. Greenland’s temperature is 25.2 o F a

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3 years ago

If carol hangs a picture using 3/8 yard of a wire that is 1 1/8 yards long.how much wire will carol have left?

Artemon [7]

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2 years ago

Prove the following identity true. Show work.

yulyashka [42]

Answer:

The Pythagorean identity states that

$\sin^2 t + \cos^2 t = 1$

Using that we can rewrite the left denominator as:

$1 - \sin^2 t$

Which can be factored as

$(1 - \sin t)(1+ \sin t)$

The numerator we can expand as:

$(1 - \sin t)(1 - \sin t)$

On the right hand side, let's multply numerator and denominator with (1 - sin t):

The total formula then becomes:

$\dfrac{(1-\sin t)(1-\sin t)}{(1 - \sin t)(1 + \sin t)} = \dfrac{(1-\sin t)(1 - \sin t)}{(1+\sin t)(1 - \sin t)}$

There you go... left and right are equal.

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3 years ago

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What are the correct steps for solving the following equation: 5x - = 21

ololo11 [35]

Answer:

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2 years ago

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How many line segments are in the 20th figure?

Trava [24]

The first figure has 3 line segments.

the second figure has 3+3 =3*2 = 6 line segments

the third figure has 3+3+3 = 3*3 = 9 line segments

the fourth figure has 3+3+3+3=3*4=12 line segments...

so it is clear that:

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Answer: 60

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2 years ago