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Marta_Voda [28]
3 years ago
7

An amusment park is insalling a new rollorr coaster. The park intends to charge $5 per adult and $4 per child fo each ride. It h

opes to earn back more than the 650,000 cost of construction in four years. with the best weather, the park can provide 125,000 child rides and 50,000 child rides in one season.
Mathematics
1 answer:
Anika [276]3 years ago
8 0

so whats the question

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A plot of land has been surveyed for a new housing development with borders AB, BC, DC, and DA. The plot of land is a right trap
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90 approximately because if AB is 80 then DC should be 90 because AB come before DC in letters

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Square root of 49/64 answered as a fraction
pshichka [43]

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Hey there!

That would be 7/8

Let me know if this helps :)

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Derivatives of inverse trigonometric functions please explain answers
Jobisdone [24]

I'll explain how to do the first one:-

y = cos-1(x2)

This can be described as ' a function of a function'   x^2 is a function of x and cos-1(x^2) is a function of x^2.

We need to  apply the chain rule.

Personally I find this  easier to understand if i let u = x^2, so

If y = f(u) and u is a function of x then

dy/dx = dy/ du * du/dx

Here u = x^2  and y = cos-1(u)

du/dx = 2x

so dy/dx = d(cos-1(x^2) dx = dy/du * du/dx


= -1 / √(1 - u^2) * 2x

= -2x / √(1 - u^2)    

= -2x / √(1 - (x^2)^2)

= -2x / √(1 - x^4)

I hope this helps. but if not. you might like to employ the formulae in the question - The square boxes contain the 'u' s in my answer. These formulae are equivalent to my explanation.

6 0
3 years ago
What is the volume of the trianglur cylinder when the radius is 2 and the height is 3​
xxMikexx [17]

Answer:

37.68 units^3

Step-by-step explanation:

Simply use the formula area of base×height....

so,

Volume(V)=πr^2h

=3.14×2^2×3

=3.14×4×3

=37.68 units^3

HOPE IT HELPS!!!

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3 years ago
Cd’cost 12.95 and tapes cost 7.95 What is the cost of 2cd’s and 1tape
agasfer [191]

Answer: 33.85

Step-by-step explanation: Add them up

6 0
3 years ago
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