Recent activity by Erez Cohen

Recent activity by Erez Cohen

Is this a Pythagorean identity? tan²(x) + 1 = sec(x).

asked Dec 18, 2024

1 answer 66.0k views

Which of the following statements is not accurate? (a) direct fitness results from personal reproduction. (b) altruistic behaviors may evolve due to an increase in inclusive fitness. (c) indirect benefits

answered Dec 10, 2024

2 answers 117k views

Find the x-intercept and the y-intercept of x-1=0. Then graph the equation.

answered Dec 3, 2024

1 answer 98.0k views

An electron transition in the hydrogen atom emits a photon with a wavelength of 1093.5 nm. calculate ∆e for this transition in aj. include the correct sign for the emission of a photon.

asked Nov 2, 2024

1 answer 167k views

In a dance class, 70% of the students wear black bailet shoes. There are 30 students that wear black shoes. How many students are in the class?

answered Oct 22, 2024

1 answer 174k views

a lamina occupies the part of the disk x2 y2 ≤ 36 in the first quadrant. find the center of mass of the lamina if the density at any point is proportional to the square of its distance from the origin.

answered Oct 5, 2024

2 answers 221k views

Two objects gravitationally attract with a force of 18.0 N. If the mass of one of the objects is doubled, then what is the new force?

answered Aug 10, 2024

1 answer 197k views

If the mean is 4.5 and the standard deviation is 1, what is the z-score for a data point of 6? a) 1.5 b) 2.5 c) 3.5 d) 4.5

answered Jul 26, 2024

1 answer 28.4k views

£1 = $1.41 £1= €1.15 $1= €?

answered May 17, 2024

1 answer 198k views

Where can terms be found?

asked May 10, 2024

1 answer 32.2k views

A patient who is a contact lens wearer uses preservative-free propylene glycol eye drops and mineral oil eye ointment. Which of the following is an appropriate counseling point? A) Use the eye ointment

asked May 8, 2024

1 answer 90.1k views

You are studying a gene that controls ossicone (horn) length in giraffes. The wild-type long-ossicone allele (L) is dominant to the mutant short-ossicone (l) allele. However the L allele is only 60% penetrant.

asked Apr 1, 2024

1 answer 21.7k views

How much is a 1900 silver dime worth?

answered Mar 19, 2024

1 answer 36.6k views

think about running a restaurant. for this restaurant: question 26 options: a) valet parking staff would be fixed inputs in the long run b) cooks and hosts would be variable inputs. c) a building would

answered Feb 29, 2024

1 answer 114k views

Assigned the mean of the ranks that would have been used had the scores been slightly different. a) Rank correlation b) Outlier treatment c) Sensitivity analysis d) Rank-based regression

asked Feb 26, 2024

1 answer 29.2k views

What was the purpose of John Wheatley's letter to the publisher of Phillis Wheatley's poems? A.to explain why no one should take the poems too seriously B.o assure the world that Phillis was no longer

asked Jan 17, 2024

1 answer 23.5k views

Find an equation of the line, and write it in (a) slope-intercept form if possible and (b) standard form.

answered Jan 2, 2024

1 answer 180k views

Find the diameter of the circle and show work

answered Dec 19, 2023

2 answers 141k views

Why does Hobbes believe that power in a commonwealth should not be divided

answered Dec 3, 2023

1 answer 114k views

Which type of landform is found in regions that may be prone to earthquakes caused by plate tectonic forces

answered Sep 20, 2023

1 answer 206k views

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