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3 years ago

Is it possible to save the ozone layer? Can the damage be reversed?

Advanced Placement (AP)

2 answers:

fiasKO [112]3 years ago

8 0

Answer:

yes

Explanation:

yes

liraira [26]3 years ago

3 0

Answer

Yes

Explanation

Yes. If concentrations of ozone-destroying chemicals are reduced, the natural balance between ozone creation and destruction can be restored.

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Hello, I need help with a calculus FRQ. My teacher has given a hint that this last part has to do with the intermediate value th

lesya [120]

Answer:

Yes, at a time t such that (√2)/2 ≤ t ≤ 2.

Explanation:

To answer the question

Therefore, where the domain of the function is the set of all real numbers x for which f(x) is a real number we have

For Chloe's velocity

$C(t) = t\times e^{4-t^2} \ for \ 0\leq t\leq 2$

Finding the boundaries of the function gives;

$0\times e^{4-0^2} = 0$ and $2\times e^{4-2^2} = 2$

At t = 1, we have $1\times e^{4-1^2} = e^{3} = 20.086$

We find the maximum point as follows;

$\frac{\mathrm{d} \left (t\times e^{4-t^2} \right )}{\mathrm{d} x}=0$

From which we have;

$\frac{\mathrm{} e^{4-t^2} - t\times e^{4-t^2} \times2\times t }{(e^{4-t^2} )^2}=0$

$e^{4-t^2} - t\times e^{4-t^2} \times2\times t }=0$

$e^{4-t^2}(1 - t\times2\times t })=0\\e^{4-t^2}(1 - 2\times t^2 })=0\\$

$e^{4-t^2}=0$ or $(1 - 2\times t^2 })=0$

∴ 1 = 2·t² and from which t = (√2)/2

Hence the function C(x) is decreasing from t = (√2)/2 to t = 2

For Brandon

For 0 ≤ t ≤ 1, 1 ≤ B(t) ≤8 and for 1 < t ≤ 2, 8 < B(t) ≤ 1.5

1 ≤ f(x) ≤ 1.5

Given that the function B(t) is differentiable, therefore, continuous, there exists a point at which the function C(t) and B(t) intersects given that;

For 0 ≤ t ≤ (√2)/2, 0 ≤ C(t) ≤ 23.416 for (√2)/2 < t ≤ 2, 23.416 > C(t) ≥ 2

and for 0 ≤ t ≤ 0 1 ≤ B(t) ≤ 8 and for 1 < t ≤ 2, 8 > B(t) ≥ 1.5

Therefore, the curves intersect at in between (√2)/2 ≤ t ≤ 2.

8 0

3 years ago

Look at this monthly budget.

Softa [21]

Answer:

Decrease food expenses

Explanation:

3 0

2 years ago

What’s the best way to study for the ACT?

allsm [11]

Answer:

Get practicing early

ALOT of practice tests

Learn what you are missing everytime you take a test

There's different strategies for the reading section (like reading first and last sentence of each paragraph and many more) there's many other strategies google them!

Goodluck!

I liked SAT more than ACT just saying if you have the option to take either take both practice tests to determine which one you might score more

Explanation:

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3 years ago

What are the three properties of density

g100num [7]

heavy, kinda heavy, and Hek no dawg i cant lift this.......

Hope I brought a smile on that miserable face who the hek takes AP courses in middle school i never heard of that. You must be a scholar.

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3 years ago

Superior performance on intelligence tests is most likely to be indicative of

bagirrra123 [75]

Sllalaallaalalalwlalalalla

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2 years ago