2 years ago

State some effects of a thinning ozone layer

1 answer:

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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How do u solve the equation using the quadratic formula

Dennis_Churaev [7]

Answer:

you could use the formula

Step-by-step explanation:

That is x = -b<u>+</u>√b^2 - 4ac/2a

where ur x is

x= -b+√b^2-4ac/2a or

x= -b-√b^2-4ac/2a

7 0

3 years ago

Is √m+n = √m + √n for all values of m and n? Explain why or why not.

lukranit [14]

Step-by-step explanation:

√(m + n) = √m + √n

Square both sides:

m + n = m + 2√(mn) + n

Simplify:

0 = 2√(mn)

mn = 0

The equation is only true if either m or n (or both) is 0.

6 0

3 years ago

Which is the simplified form of (2ab/a^-5b^2)^-3?

olchik [2.2K]

Answer: First option is correct.

Step-by-step explanation:

Since we have given that

$(\frac{2ab}{a^{-5}b^2})^{-3}$

We will use law of exponents :

$(\frac{2ab}{a^{-5}b^2})^{-3}\\\\=(\frac{a^{-5}b^2}{2ab})^3\text{ }\because (a^m)^{-1}=\frac{1}{a^m}\\\\=\frac{a^{-15}b^{6}}{8a^3b^3}\text{ }\because (a^m)^n=a^{mn}\\\\=\frac{b^{6-3}}{a^{3+15}}\\\\=\frac{b^3}{8a^{18}}$