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Ray
Questions and answers by visitors named
Ray
Questions (886)
A truck with 40-in.-diameter wheels is traveling at 50 mi/h.
a) Find the angular speed of the wheels in rad/min b) How many
4 answers
3,750 views
Boron is used to dope 1 kg of germanium (Ge). How much boron (B) is required to establish a charge carrier density of
1 answer
449 views
A thin, double-convex lens has a refractive index of 1.50. The radius of curvature of the front surface is 15 cm and that of the
5 answers
1,834 views
I'm doing a titration lab and writing a lab report where I'm sort of stuck on how exactly to find the concentration of HCl.
4 answers
1,056 views
Identify an important element of Genghis Kahn’s origin that impacted the type of leader he became.(1 point) Responses He was
3 answers
191 views
Read the following passage from "First Confession" in which the main character has just entered the confessional. It must have
3 answers
191 views
Analyze the maps to identify the connection between the growth of the Spanish Empire and the spread of Catholicism. (1 point)
1 answer
202 views
Which statement explains how the feudal system was an important cause leading to the emancipation of serfdom?(1 point) Responses
1 answer
228 views
What is the religion of North Carolina
A simple Google search for "religion of North Carolina" gave me many links, try it The
1 answer
467 views
A=Bx5
B=C-4 And what it the question here? what
1 answer
410 views
A consultant traveled 7 hours to attend a meeting. The return trip took only 6 hours because the speed was 10 miles per hour
1 answer
422 views
Suppose you are studying coordination compounds of Co(II) with the ligand pyridine (py, C5H5N, MW = 79.10). You isolate a
1 answer
827 views
Choose the group from the given list: a) 1A b) 2A c) 3A d) 4A e) 5A The elements in this group are termed alkali metals.
a b c d
1 answer
1,016 views
would some one please check these for me
1. divide x^2-36y^2 over 5x^2+30y divide (x^2-6xy) A: x+6y over (5x)(x^2+6y) 2. Add.
1 answer
621 views
A parent leaves his house during rush-hour each weekday to get her husband from work and pick up her child from school. Her
2 answers
555 views
evaluate if possible
1. square root -121 A not a real number 2. 3cube-8/27 would this be 3cube -2/3 number 1 is correct i've had
2 answers
816 views
Give the URL of two different e-commerce Web sites. For one of the Web sites, outline the key technology infrastructure
1 answer
1,130 views
Give the URL of two different e-commerce Web sites. For one of the Web sites, outline the key technology infrastructure
2 answers
716 views
could someone please explain to me a how a business would benefit from Expert systems or even an example would help
Thank you for
1 answer
478 views
(6+root sign 3)(6- root sign 3)
I am suppose to multiply this problem we are working on multipling radical I can not understand
1 answer
347 views
What is the difference between gross income and disposable income? If I want to know which countries are prosperous, which one
2 answers
631 views
What does mutually exclusive mean? Can anyone give me an example?
1 answer
389 views
I want to use a large number of small items to construct one big item. The big item must have a relationship with the small
4 answers
458 views
The Parkhursts used 160 yd of fencing to enclose a rectangular corral and to divide it into two parts by a fence parrallel to
2 answers
1,194 views
A rectangle has dimensions of 12x8inches. If a uniform border is added, then the new rectangle has twice the area of the old
4 answers
1,913 views
Please double check
In a bottling company, a machine can fill a 2-liter (l) bottle in 0.5 second (s) and move the next bottle
2 answers
562 views
A 522g piece of copper tubing is heated to 89.5C and placed in an insulated vessel containing 159g of water at 22.8C. Assuming
5 answers
3,093 views
Find dy/dx by implicit differentiation. sqrt(3 x+y)=2+x^2y^2?
2 answers
861 views
find answer
5.which of the following sentences has a compound predicate b.while he swam she collected shells c.she washed the
3 answers
444 views
Can give me example in relation to the 6 steps of the Rational Decision -Making Model? There are no examples in the textbook.
2 answers
480 views
If one unit of Product X used $1.5 of direct materials and $2 of direct labor, sold for $11, and was assigned overhead at the
1 answer
454 views
Dell Computer Corp., the world's largest personal-computer maker, is keenly aware of everything its rival PC manaufacturers
3 answers
948 views
When Mcdonal's corp reduced the price of its big mac by 75% if consumers also purchase french fries and a soft drink. the
3 answers
834 views
What are the 4 differences between Strategy Formulation and Strategy Implementation?
1 answer
411 views
A lead ball is dropped into a lake from a diving board 5.42 m above the water. It hits the water with a certain velocity and
2 answers
599 views
How many cubic centimeters of water are required to fill a graduated cylinder to he 50.0 mL mark? How?
2 answers
666 views
y+5/3=x+2
1 answer
238 views
A small solid sphere, with radius 0.25 cm and mass 0.61 g rolls without slipping on the inside of a large fixed hemisphere with
2 answers
922 views
A small solid sphere, with radius 0.25 cm and mass 0.61 g rolls without slipping on the inside of a large fixed hemisphere with
5 answers
1,587 views
A Texas cockroach of mass 0.17 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical
2 answers
1,161 views
In a playground, there is a small merry-go-round of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of
3 answers
1,769 views
In a playground, there is a small merry-go-round of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of
4 answers
1,423 views
In a playground, there is a small merry-go-round of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of
1 answer
1,238 views
A diver of weight 730 N stands at the end of a diving board of length L = 5 m and negligible mass. The board is fixed to two
4 answers
865 views
A uniform beam of weight 520 N and length 3.4 m is suspended horizontally. On the left it is hinged to a wall; on the right is
1 answer
895 views
A uniform beam of weight 520 N and length 3.4 m is suspended horizontally. On the left it is hinged to a wall; on the right is
3 answers
1,107 views
A tunnel of length L = 141 m, height H = 6.9 m high, and width 6.0 m (with a flat roof) is to be constructed at distance d = 60
3 answers
812 views
Some people believe that the Moon controls their activities. The Moon moves from being directly on the opposite side of Earth
3 answers
1,924 views
A orbiting satellite stays over a certain spot on the equator of (rotating) Mercury. What is the altitude of the orbit (called a
2 answers
710 views
A orbiting satellite stays over a certain spot on the equator of (rotating) Mercury. What is the altitude of the orbit (called a
2 answers
602 views
A block of wood with volume V floats in water with 0.68V submerged. In oil the block floats with 0.86V of its volume submerged.
W
4 answers
1,588 views
atthew interviews the director of computing services to get information for the company newsletter. What part of the writing
3 answers
370 views
The ceiling of a single-family dwelling in a cold climate should have an R-value of 25. To give such insulation, how thick would
1 answer
663 views
What is a possible explanation for the significance of two separate flood myths in which the water comes from the sky
4 answers
395 views
Simply:
cot(-x)-1/1-tan(-x) Is it -cotx? The other answer choice is: cotx.
1 answer
493 views
A 1.15 kg block slides down a 19.0 m long 29.0° incline at constant velocity. How much work is done by friction?
2 answers
883 views
What is the value of theta if 9 cos^2 theta + 3 cos theta = 0 where 90 degrees < theta < 180 degrees?
1 answer
853 views
If cos^2 theta -6 sin 2 theta =0, one value of theta is a)0 degrees b) 90 degrees c)180 degrees or D)255 degrees.
Please show me
3 answers
522 views
I need to write this parabola question 2(x+3)^2 -1 in general form. Not sure how to do it. Do I sqaure whats in brackets first?
3 answers
349 views
a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to
1 answer
401 views
How do you think the importance of these relationships developed?
What spiritual purpose do you think they serve for indigenous
1 answer
372 views
At Shannons birthday Kira ate 3 pieces, Brazdley ate 2,Shauna ate 4, and Sammi ate 3 pieces of pizza. Now 1/4 of the pizza is
4 answers
623 views
Simplify the expression (x(3/2)^(4/3)(√x)/x)
1 answer
306 views
1)What theory does the narrator propose in the first paragraph of “The Mark of the Beast”?
A) In Asia, Asian gods rather than
12 answers
2,444 views
Ok we have to graph a step function. I am given y=[-5x]. How do I write the chart for this in order to graph it?
1 answer
270 views
Center and radius of x^2 + y^2 – 4y = 0.
2 answers
878 views
a pendulum of the length L is suspended from the ceiling of an elevator. When the elevator is at rest , the period of the
7 answers
2,710 views
If the decomposition of 3.785 g iron (III) chloride yields 1.302 g iron and 2.483 g chlorine, how many grams of iron and
2 answers
977 views
What will be the final temperature if 2000g of copper at 95 degrees loses 10 kcal of heat?
4 answers
496 views
Propane gas is used to heat a tank of water. If the tank contains 200 L of water, what mass of propane will be required to raise
4 answers
1,787 views
A building cast a shadow 42m long. At the same time, the shadow cast by a 34 cm tall pole is 86 cm long. Find the height of the
4 answers
973 views
I need to write the specified ratin as a simplified fraction.
A certai lake is 1100 ft deep. A nearby lake is 300 feet deep.
4 answers
647 views
Solve the proportion for u.
(u-2):(u+3) = 4:3
1 answer
309 views
what is the differnce in primary atmospheric gases at 1800 ft?
1 answer
294 views
A 200-g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.250 s. If the total
4 answers
1,467 views
How many grams of phosphorus can be obtained from the decomposition pf 45kg of POCL3.
2 POCL3 --(> 2P + 3Cl2 + O2
1 answer
417 views
where can i find help about direct and indirect objects
1 answer
389 views
I find these questions so difficult! I've been trying to solve them but I just can't. As they are diagrams they are hard to
2 answers
863 views
help me translate please!! i tried it myself but it was a mess! :(
My name is Isabella and I am 14 years old. I live with my
2 answers
1,000 views
How is an ELL's level of language proficiency determined?
How do you modify your assessments to evaluate ELLs understanding of
2 answers
1,082 views
How do you modify a lesson to teach ELLs?
3 answers
339 views
Compare and contrast the teaching of comprehension strategies to ELL students and to native English speakers.
2 answers
701 views
Describe the difference between word-level skill and text-level skill attainment for ELL students. Then, describe specific
2 answers
522 views
How much is 2000 kg in outer space?
1 answer
324 views
During the first part of a trip, a canoeist travels 33 miles at a certain speed. The canoeist travels 2 miles on the second part
2 answers
499 views
A solution of HNO3 has a pH of 4.5, What is the molarity of HNo3?
4 answers
2,072 views
Out of 42 kids in a class twice as many failed Ela as math,4 failed both. If 7 failed neither, find how many failed each
2 answers
509 views
How would I write an object-oriented pseudocode for a system that allows a user to enter their name into a text box? When they
1 answer
474 views
The following logistic function describes the percent of the population of a city that will purchase the local newspaper.
P(t)=(6
2 answers
582 views
A sample of glucose, C6H12O6, contains 1.300x10exponent21 atoms of carbon. How many atoms of Hydrogen does it contain? How many
2 answers
730 views
A card is selected at random from an ordinary pack of 52 playing cards.state the probability the card is a club.
4 answers
1,463 views
The standard deviation of given population is 4.5 with a mean of 60 and the refit population has a standard deviation of 5.2
2 answers
906 views
You are given a vector in the xy plane that has a magnitude of 70.0 units and a y component of -55.0 units. What are the two
5 answers
1,232 views
At an accident scene, 276-m long skid marks are found on the road. If the car that made these skid marks can decelerate at
2 answers
562 views
On tuesday you all took the science and then your social studies final exams. What is the probability of you passing your social
3 answers
1,054 views
Explain another way to help you find the product of 8x6 without repeated addition.
9 answers
2,219 views
A man with a mass of 60 kg skis down a frictionless hill that is h = 2.2 m high. At the bottom of the hill the terrain levels
3 answers
558 views
A pole-vaulter of mass 60.2 kg vaults to a height of 6.1 m before dropping to thick padding placed below to cushion her fall.
(a)
4 answers
1,356 views
Adrian said that any 2 digit number with 2 identical,digits is divisible by 11. Do you agree? Explain.
4 answers
577 views
NUMERICAL EXPRESSION- 12 TIMES AS LONG AS 2 IN.
3 answers
309 views
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