Questions by Erez Cohen

Questions by Erez Cohen

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

asked Dec 18, 2024

1 answer

3 votes

66.0k 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

4 votes

167k 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

5 votes

21.6k 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

1 vote

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

0 votes

23.5k views

The maximum grade allowed between two stations in a rapid transit rail system is 3.5%. Between station a and station b which are 290 feet apart, the tracks rise 8 ft. What is the grade of the tracks between

asked Jan 22, 2023

1 answer

2 votes

222k views

In the morning, Drake practiced his guitar for 65 minutes. Later that afternoon, he practiced for a more minutes, Enter an equation that represents the total number of minutes, y, Drake practiced playing

asked Nov 10, 2022

1 answer

5 votes

115k views

Please help!!!!!!!!!!!!!!!

asked Oct 7, 2022

1 answer

1 vote

53.5k views

Enter the equation of the line in slope-intercept form. Slope is -3, and (4,2) is on the line. The equation of the line is

asked Oct 6, 2022

1 answer

1 vote

77.7k views

Which of the following would be the best example of a secluded spot? * a busy store a national park entrance a popular beach a secret treehouse

asked Oct 2, 2022

2 answers

3 votes

160k views

11. What is the value of xin the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

asked Sep 3, 2022

1 answer

14 votes

139k views

Find the value of x in the triangle shown below. a.x=24 b.x=135 c.x=24 d.x=12

asked Jun 22, 2022

2 answers

1 vote

120k views

At certain times of year , the oceans get warmer. Which part of the water cycle is directly affected by the warming of the ocean water?

asked Jun 4, 2022

1 answer

20 votes

46.6k views

1 point Which EQUATION shows the relationship between the weight of the apples, in pounds, and the cost of the apples, in dollars? * O y = 15x + 10 O y = 1.50x O y = 15 O y = 10x O y = 10x + 15

asked May 28, 2022

1 answer

4 votes

89.2k views

Which species has the most chromosomes? A. cats B. dogs C. crayfish D. humans

asked Feb 4, 2022

1 answer

4 votes

211k views

Hellooo someone solve this

asked Nov 11, 2021

2 answers

2 votes

206k views

A military company is_____.

asked Sep 22, 2021

1 answer

0 votes

168k views

What concern was incorperated into western art during the renaissance A.science and mathematics B.the struggles of working people C.criticism of religion D.the nobility of the wealthy

asked Sep 11, 2021

1 answer

0 votes

188k views

Simplify help pls: 13x(3x-32y)

asked Jul 21, 2021

2 answers

2 votes

91.0k views

Five more than 3 times a number is 6 less than twice the number. Find the number

asked Apr 26, 2021

1 answer

4 votes

178k views

Page:

Search QAmmunity.org