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3 years ago

8

What are the problems with defining the start and end of adolescence

Advanced Placement (AP)

1 answer:

liraira [26]3 years ago

6 0

<span>Defining the start and end of adolescence is hard because no one can really tell when adolescence starts . This problem exists because different people mature at different levels and times</span>

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Slope integrals for calculus, having trouble need all the help I can get

Harlamova29_29 [7]

(1) The integral is straightforward; <em>x</em> ranges between two constants, and <em>y</em> ranges between two functions of <em>x</em> that don't intersect.

$\displaystyle\int_{-2}^1\int_{-x}^{x^2+2}\mathrm dy\,\mathrm dx$

(2) First find where the two curves intersect:

<em>y</em> ² - 4 = -3<em>y</em>

<em>y</em> ² + 3<em>y</em> - 4 = 0

(<em>y</em> + 4) (<em>y</em> - 1) = 0

<em>y</em> = -4, <em>y</em> = 1 → <em>x</em> = 12, <em>x</em> = -3

That is, they intersect at the points (-3, 1) and (12, -4). Since <em>x</em> ranges between two explicit functions of <em>y</em>, you can capture the area with one integral if you integrate with respect to <em>x</em> first:

$\displaystyle\int_{-4}^1\int_{y^2-4}^{-3y}\mathrm dx\,\mathrm dy$

(3) No special tricks here, <em>x</em> is again bounded between two constants and <em>y</em> between two explicit functions of <em>x</em>.

$\displaystyle\int_1^5\int_0^{\frac1{x^2}}\mathrm dy\,\mathrm dx$

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3 years ago

It has been suggested that gasoline would cost over $10 per gallon if its price reflected the full costs to society of gasoline.

IgorLugansk [536]

The actions are that some people will or may not pay forthe gas if it costs that much!

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3 years ago

Lake Superior contains 3.0 x 10^15 gallons of water. How many cubic meters of water are contained in the lake? Express your fina

aivan3 [116]

Given that:

Lake Superior contains 3.0 x 10^15 gallons of water

Firstly, let's know that of 1 gallon;

1 gallon = 0.00375 cubic meter

Then, 3.0 x 10 ^15 = 3.0x10^15 x 3.785 x 10 ^-3

= 3 x 3.785 x 10^15-3

= 11.355 x 10 ^12m^3

Therefore, 11.355x10^12 cubic meters of water are contained in the lake.

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3 years ago

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You got lost hiking in the woods with a friend and you are running out of food

m_a_m_a [10]

Eat the fattest one.

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3 years ago

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Laurie is trying to stay within 10 feet of her current diving depth of –30 feet (with regard to sea level) so that the light is

Hitman42 [59]

Answer: x + 30 = 10 and x + 30 = –10

Explanation: The two equations can be used to find the minimum and maximum depths Laurie wants to stay between is the below:

x + 30 = 10 and x + 30 = -10

Hope this helps!

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3 years ago

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