Questions by Alexey Petushkov

Questions by Alexey Petushkov

Coherent light with wavelength 500nm shines on a double slit with a screen 1.90m behind it. If the distance between the dark fringes is 3.30mm, what is the separation of the slits?

asked Nov 28, 2020

1 answer

2 votes

81.9k views

Grades in large classes are sometimes approximately Normally distributed—a fact that serves as the justification for "grading on a bell curve." A common practice for very large classes is to give 16% of

asked Nov 3, 2020

1 answer

4 votes

232k views

Solve for x: two thirds(x − 2) = 4x.

asked Sep 8, 2020

1 answer

3 votes

216k views

Add or subtract. (m? - m - 3) + (m-4) A. m^2 +m-1 B. m^2+ 2m - 7 C. m^2-7 D. m^2 -1

asked Apr 19, 2020

1 answer

4 votes

232k views

What is the value of x? 3x−8=8x+42

asked Jan 26, 2020

2 answers

5 votes

14.6k views

Which organism is most likely to be responsible for the boils? which organism is most likely to be responsible for the boils? bacillus cereus escherichia coli staphylococcus aureus staphylococcus epidermidis?

asked Mar 5, 2019

1 answer

5 votes

234k views

Why did Northern Representatives argue for the approval of the Three-Fifths Compromise?

asked Jan 7, 2019

1 answer

3 votes

42.1k views

A tax on___ is an indirect tax A. Buildings B. Income C. Land D. Gasoline

asked Jan 6, 2019

2 answers

3 votes

219k views

What did the Selective Service Act accomplish?

asked Sep 21, 2018

2 answers

4 votes

55.2k views

Contoh Dua sinar garis yg berpotong

asked Jul 8, 2018

1 answer

1 vote

82.4k views

Lupe, rosa y tomás son buenos (bueno) amigos. correct ignacio es alto (alto) y guapo (guapo). correct laura y virginia son bajas (bajo) y delgadas (delgado). correct pedro y vanessa son morenos (moreno),

asked Jun 10, 2018

1 answer

5 votes

9.3k views

Can anybody help me??

asked Oct 14, 2017

1 answer

2 votes

182k views

The range for the given domain of the function f(x) =3x-6/x+4.5 is what

asked Sep 2, 2017

2 answers

1 vote

134k views

Find the slope of the line on the graph. Reduce all fractional answers to lowest terms.

asked Aug 27, 2017

1 answer

0 votes

100k views

A synonym for the word mood is _____.? atmosphere, tone, style or, prose?

asked May 22, 2017

1 answer

2 votes

98.5k views

Alan is putting weed killer on a field to get it ready for planting. the directions on the can say to use 4/5 of a quart for each acre of land. how much weed killer will alan need for two fields one that

asked Feb 16, 2017

2 answers

1 vote

138k views

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