2 years ago

Which inequality is true?

Mathematics

2 answers:

Aleonysh [2.5K]2 years ago

5 0

D. Will be the correct answer

trasher [3.6K]2 years ago

3 0

It's A because pie is 3.14

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Joseph pays $20 for his base phone plan in addition to the $0.23 per text. Micki pays $10 for her phne plan plus $0.15 per text.

Nostrana [21]

Not really Specific in asking in what way you want it answered... So here is what Im able to understand.

Function

Joseph : 20 + .23x = y

Micki : 10 + .15x =y

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sashaice [31]

Answer:

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Step-by-step explanation:

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Multiple Choice: Please select the best answer.

PSYCHO15rus [73]

D. 171

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Explanation:

4(2+5)^2 - 5^2

4 x 7^2 - 5^2

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196 - 25

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Answer: D. 171

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2 years ago

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finlep [7]

$3 \sqrt{3}$

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2 years ago

A potential energy function is given by U = A x3 + B x2 − C x + D . For positive parameters A, B, C, D this potential has two eq

Ivenika [448]

Answer:

7.8655

Step-by-step explanation:

Given the functionl

$U=Ax^3+Bx^2-cx+D$

Where,

$A=1.45J/m^3\\B=2.85J/m^2\\c= 1.7J/m\\D=0.6J$

We have, replacing,

$U=1.45x^3+2.85x^2-1.7x+0.6$

We need to derivate and verify for stable equilibrum that,

$\frac{d^2 U}{dx^2}>0$

Then,

$U'(x) = 4.32x^2+5.7x-1.7$

Roots in,

$x_1=-1.57008\\x_2=0.250636$

We obtain U"(x), then we have

$\frac{d^2U}{dx}=8.64x+5.7$

For $x=-1.57, U"(x)=-7.86549$ Unestable

For $x=0.250636 U"(x)=7.8655>0$ Stable

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2 years ago