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2 years ago

Is the length of shadows at noon higher in summer or winter?

2 answers:

8 0

Answer: Winter shadows are long because sunlight is spread out. The Sun appears low in the sky even at noon. Summer shadows are short because the light is concentrated in a small area.

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HAVE A GOOD DAY

Anastasy [175]2 years ago

8 0

Answer:

Winter

Explanation:

The answer is Winter because....

During the winter the suns rays are not very strong due to the tilt of Earth's Axis. So if you live in America it is cold in the winter and hot in the summer in most places. The shadows of the sun are greatest at winter due to the temperature drop then during the summer
Hope this helped :)

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Write out the form of the partial fraction decomposition of the function (See Example). Do not determine the numerical values of

maw [93]

Answer:

a. $\frac{A}{x}+\frac{B}{x^2}+\frac{C}{x^3}+\frac{Dx+E}{x^2+5}$

b. $\frac{A}{x+3}+\frac{B}{x-3}+\frac{C}{(x-3)^2}+\frac{D}{(x+3)^2}$

Explanation:

a.We are given that

$\frac{x^4+7}{x^5+5x^3}$

$\frac{x^4+7}{x^5+5x^3}=\frac{x^4+7}{x^3(x^2+5)}$

Using partial fraction decomposition of the given function

$\frac{x^4+7}{x^3(x^2+5)}=\frac{A}{x}+\frac{B}{x^2}+\frac{C}{x^3}+\frac{Dx+E}{x^2+5}$

Using the formula

$\frac{1}{x^3(x^2+a)}=\frac{A}{x}+\frac{B}{x^2}+\frac{C}{x^3}+\frac{Dx+E}{x^2+a}$

b. $\frac{2}{(x^2-9)^2}$

$\frac{2}{(x^2-3^2)^2}=\frac{2}{(x+3)^2(x-3)^2}$

Using property $a^2-b^2=(a+b)(a-b)$

$\frac{2}{(x+3)^2(x-3)^2}=\frac{A}{x+3}+\frac{B}{x-3}+\frac{C}{(x-3)^2}+\frac{D}{(x+3)^2}$

Using the property

$\frac{1}{x^2}=\frac{A}{x}+\frac{B}{x^2}$

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2 years ago

How is real life fingerprinting different from the techniques used on CSI?

spin [16.1K]

Answer:

Fingerprint analysis is different in real life rather than on TV because in real life, the examiner uses themselves rather than a machine to match the fingerprint like they do on TV.

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1 year ago

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ra1l [238]

Answer:there is literally nothing to be answered there I can’t even see the objects that can be chemically changed

Explanation:

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2 years ago

True or false a species is a collection of all the organisms that live in a particular place together with their physical enviro

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False, a species is a collection of AN organism that live in a particular place...

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2 years ago

A ---- is a multi-level network of feeding interactions, through which

SpyIntel [72]

Answer:

1. Food web

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THANKS FOR POINTS

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3 years ago