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Robert
Questions (40)
A light ray of wavelength 589nm in vacuum passes through water. What is the wavelength of this light in water?
1 answer
3 views
Find the wavelength of a photon that has an energy of 12.4eV
1 answer
3 views
Find the number of ways of choosing 3 books from a shelf holding 5 different books
1 answer
4 views
In a class of 30 students, students were asked about their subject preference. 15 students preferred maths, 13 preferred
1 answer
4 views
Show that if m and n are odd numbers then m+n is also odd
1 answer
2 views
Yanu travel surveyed 125 potential customers. The following information was gathered:
* 18 wished to travel to all three
1 answer
5 views
Show that if m and n are both square numbers, then mn is a square number
1 answer
3 views
A constant force of 10N acts on a 2.0kg object initially at rest on a horizontal surface and gives it 90J of kinetic energy.
1 answer
4 views
A constant force of 10N acts on a 2.0kg object initially at rest on a horizontal surface and gives it 90J of kinetic energy.
1 answer
1 view
A man wishes to cross a river 50m wide which is flowing at 0.5m/s. Given that he can swim at 0.8m/s, find:
(a) The time he takes
1 answer
9 views
A man wishes to cross a river 50m wide which is flowing at 0.5m/s. Given that he can swim at 0.5m/s, find:
(a) The time he takes
1 answer
8 views
How can one use polygon rule to add vectors
1 answer
4 views
Argue for the claim that running a school as a bureaucratic organization is difficult in an essay form. Five points
1 answer
3 views
Which economic factors has most likely determined the price in this picture
2 answers
105 views
Advances in technology have increased the number of people needed
2 answers
123 views
Why did the United States attract so many immigrants?
1 answer
93 views
Where did people move after The frontier was fully settled
1 answer
100 views
Where did people move after? The frontier was fully settled
1 answer
85 views
Where did people migrate from to populate North America
1 answer
110 views
What was the Louisiana purchase?
1 answer
87 views
What was the Columbian exchange
1 answer
106 views
Migration definition
1 answer
109 views
Find the probability of getting a full house (3 cards of one value and 2 cards of another) when 5 cards are dealt from an
1 answer
119 views
How many ways can a foursome of two men and two women be selected from 10 men and 12 women to sit at a table in a restaurant?
1 answer
150 views
Three dice are rolled. Find the probability of rolling triples
1 answer
101 views
A 60-year-old buys a 1-year term life insurance policy worth $1000 and it costs him $60. If his likelihood of living to age 61
3 answers
105 views
What is the likelihood that when 5 die are rolled, that the numbers that turn up will be 1, 2, 3, 4, 5 in some order?
1 answer
56 views
In Avery v. Georgia, a Fulton County jury convicted Avery, an African-American, of a
serious felony. There were no
1 answer
107 views
you are a speaker in a school debate on the topic boys should not help in the kitchen. write your speech for or against the
1 answer
121 views
If I have 16 ounces of 99% Alcohol mixed with 4 ounces of distilled water. What percentage of alcohol is in the 20 ounce bottle?
1 answer
242 views
Give a width of 6 feet and a perimeter of 48 feet ,calculate the área of a rectangle
1 answer
353 views
Find the value of the summation from n equals 0 to 5 of the sum of 2 plus 2/2^n.
Type your answer in the space below and give 2
1 answer
234 views
What do two atoms of fluorine and eight atoms of hydrogen form?
1 answer
194 views
A proton accelerates from rest to 3.00x10^6m/s in 1.00x10^-6s in a uniform electric field E. What is the magnitude of the
2 answers
989 views
The velocity of sound in air is about 330m/s, and in water is about 1700m/s. Calculate the critical angle for sound leaving air
2 answers
679 views
A fisherman notices that his boat is moving up and down periodically rowing to waves on the surface of the water. It takes 3.0
3 answers
733 views
An observer is located directly between two speakers, located 20m apart. The speakers are in phase with each other, and both are
2 answers
760 views
Sapose active sonar on a stationary ship is used to determine the speed of a ship that is moving away from it. A sonar ping is
2 answers
570 views
Find the vertex focus directrix and axis of symmetry of each parabola y²–8x–6y–3=0
2 answers
861 views
x+2y=0
x+3y+z=1 -4x-y-z=23
1 answer
266 views
Answers (7)
The answer is d
Nvrm its A because they had to make clothes so they need alot of cotton
I think its B
I got diverges. Is this right? Please respond as soon as possible.
another question is what do 2 atoms of fluorine and eleven atoms of hydrogen form?
Jeff you are crazy the correct answer is 75.36 but im confused becuase on my module 13 volume assessment it gives me 15,62,30, 20 which is correct.Plz respond quckily to this respond so i gcan get a 90% or 100%.
The forth one is A
