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3 years ago

State some effects of a thinning ozone layer

Mathematics

1 answer:

mariarad [96]3 years ago

8 0

Some effects of the thinning ozone layer include elevated health risks of things like skin cancer and other issues caused by ultraviolet radiation. In addition, as the ozone thins, our Earth will get warmer (global warming) causing the melting of ice sheets and odd weather patterns.

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Express the sum or difference as a product: cos 4x - cos 6x

Jobisdone [24]

Cos -2x or -cos2x, it's the difference.

3 0

3 years ago

Which two square numbers have a difference of 51

atroni [7]

49 and 100 are the answers as 100-49=51 and they are both square numbers as 100 square rooted is 10 and 49 square rooted is 7 is that a good enough answer please tell in comments

3 0

3 years ago

Please help me with this question

mars1129 [50]

Answer:

Step-by-step explanation:

Look at the picture.

$sine=\dfrac{opposite}{hypotenuse}$

We need a hypotenuse length.

Use Pythagorean theorem:

$hypotenuse^2=leg^2+leg^2$

We have

$leg=9,\ leg=12,\ hypotenuse=x$

Substitute:

$x^2=9^2+12^2\\\\x^2=81+144\\\\x^2=225\to x=\sqrt{225}\\\\x=15$

For the sine we have:

$opposite=12, hypotenuse=15$

Substitute:

$\sin\alpha=\dfrac{12}{15}=\dfrac{12:3}{15:3}=\dfrac{4}{5}$

3 0

3 years ago

Jeremy has 34567cars+64-2578=

raketka [301]

The answer will be 32053

6 0

3 years ago

9-12r>-99 and -2r-4<-12

Umnica [9.8K]

Hello there!

9 - 12r > -99
-12r > -108
r $\leq$ 9 is your first inequality.

-2r - 4 < -12
-2r < -8
r $\geq$ 4 is your second inequality.

I hope this helps!

3 0

3 years ago