3 years ago

What is the mean of the high temperatures, in degrees Fahrenheit, for the week? Show your work.

1 answer:

7 0

The mean is the average, so add all the numbers and divide by 7 (7 terms).

-14 is the sum, divided by 7 = -2

The mean is -2.

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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

7 0

3 years ago

A study was done on several dogs that recently had litters of puppies. The results are shown below.

Reil [10]

Answer: 1/5
Explanation: 8/40 simplified in half is 4/20 then 2/10 then 1/5!

8 0

3 years ago

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if danielle still drove 24 miles on the eight day how many miles would tim need to drive to make the median amount of miles that

Rainbow [258]

Answer:

the answer would be she would drive 192 miles

7 0

2 years ago

Marla thinks her dog is not feeling well. He ate 0.1 times As much dog food on Wednesday as he ate on Tuesday . If her dog ate 6

Anvisha [2.4K]

5.9 is how much he ate

4 0

3 years ago

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Helllllllllpppppppp!!!!!

muminat

Answer:

X=10

A=84

Step-by-step explanation:

5x+34+2x+76=180

7x+110=180

7x=70

x=10

For A

5(10)+34

6 0

2 years ago