Recent activity by Peter Evjan

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A train with cross-sectional area S, is moving with speed vt inside a long tunnel of cross- sectional area So (So = 4St). Assume that almost all the air (density p) in front of the train flows back between

answered Jan 2

1 answer 144k views

A torsion group is a group all of whose elements have finite order. A group is torsion free if the identity is the only element of finite order. Prove that the t

asked Oct 27, 2024

1 answer 6.6k views

Find the p value for n=23 with a difference mean of 12.5 and sd of difference 13.9 for the null hypothesis that there is no difference from?

asked Oct 20, 2024

1 answer 39.5k views

a whale watching company noticed that many customers. what conclusion can you draw from the 95% interval

answered Oct 5, 2024

1 answer 81.2k views

Under the Fair Housing Act, refusing to rent to a disabled person is permissible if: a) The disabled person demands you make reasonable modifications at your cost. b) The disabled person demands you let

answered Sep 18, 2024

1 answer 83.2k views

If a woman ovulates two oocytes and both are fertilized, - identical twins result. -fraternal twins result. -conjoined twins result. - monozygotic twinning occurs. - paternal twins result.

answered Sep 8, 2024

1 answer 76.3k views

A square is inscribed in a ˚le. If the ˚le has an area of 9π, what is the length of the square's diagonal? a) 3√2 b) 6 c) 3 d) 2√3

asked Aug 13, 2024

1 answer 42.0k views

In standard IUPAC units, the faraday is equal to 96,480 coulombs. A coulomb is the amount of electric charge passed when a current of one ampere flows for one second. Given the charge on the electron is

answered Aug 11, 2024

1 answer 91.6k views

What is the answer to this expression? 3⋅10+3⋅5 ^2 +3 ? Pls help Will leave gd rating

asked Aug 8, 2024

1 answer 149k views

The focal length of the eyepiece of a certain microscope is 18.0 mm. The focal length of the objective is 8.00 mm. The distance between objective and eyepiece is 19.7 cm. The final image formed by the

answered Jun 26, 2024

1 answer 151k views

How many moles of solute are in 250ml of 2.0m cacl2?

answered May 31, 2024

1 answer 184k views

Which term best describes the concept that there are certain rights that cannot be taken or given away O Inalienable rights O Proportional representation O Enumerated powers The Supremacy Article Consent

answered May 21, 2024

1 answer 233k views

How do I solve this? f(x)=1/3x^2-2x+8

answered Apr 26, 2024

1 answer 55.9k views

In our case, we have set the Account, Contact, and Lead object files in the invalid_fields rule, so the rule will only apply to those ___. In the invalid_user_permissions, we use extensions, so that rule

answered Apr 4, 2024

1 answer 143k views

Based on the research of Philip Reno, early hominins show reduced sexual dimorphism, which is evidence for cooperation and likely for: a. monogamy. b. multifamily grouping. c. pair bonding. d. multimale

answered Feb 2, 2024

1 answer 128k views

In his work entitled "Resistance to Civil Government," Henry David Thoreau is jailed for non-payment of taxes. This is an example of which of the following concepts? A. Values B. Mores C. Norms D. Sanctions

asked Jan 13, 2024

1 answer 81.9k views

Describe the nature of the equation 4x²-12x+9=0

answered Dec 18, 2023

2 answers 191k views

1.Charles wants to invest $20,000. The investment firm is offering 8% interest compounded monthly. How much money will he have made if he leaves his money with the bank for 40 years?2.Lisa’s grandmother

answered Dec 13, 2023

1 answer 210k views

What is the domain of this function? O x O {x|x <8) O {x|0 < x <8] O x

asked Nov 18, 2023

2 answers 159k views

Find the sum and product of the roots. 3x^2 - 4x - 7 = 0

asked Oct 19, 2023

1 answer 52.9k views

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