Questions and answers by

Paula

Questions (163)

Sometimes as a solute dissolves in a solvent, the solute molecules dissociate to some extent. Sometimes solute molecules
1. 1 answer
2. 898 views
Please help with this as I can not understand it at all. Imagine you've been shown a seismogram from an earthquake on which you
1. 2 answers
2. 628 views
Hi,This may sound like a dumb question but I am stuck. I have worked out everything from a titration and I am now trying to work
1. 4 answers
2. 413 views
the perimeter of a rectangle is 56 inches> the width of the rectangle is three-fourth of the length. Find the length of the
1. 5 answers
2. 1,249 views
find the value of r in terms of T(2r+ 3T)/2 = (2r-T)/3 please help me!
1. 1 answer
2. 318 views
Dave pays two-fifth of his salary for rent, 16% of the salary for grocery and one-fourth of the salary for travel. He saves the
1. 1 answer
2. 505 views
four times the difference or two posotive integer numbers is equal to half the sum of the numbers. If one of the numbers is 14,
1. 1 answer
2. 593 views
I don't know how to solve this math problem?A call center is 120 yd. long and 40 yd. wide. Each employee requires 30 sq. ft. if
1. 1 answer
2. 572 views
Is gone the past and past participle tense of the word go?
1. 1 answer
2. 414 views
are the past participle correct for the following wordsappear has appeared seem had seemed finish has finished dance has danced
1. 1 answer
2. 319 views
Each child will want one of those.is one a pronoun or adj? I think it is a adjective
1. 2 answers
2. 350 views
Lori and her friends went to a movie on the Fourth of July.identify the collective and compound nouns friends collective Fourth
1. 2 answers
2. 1,012 views
Tom could see the anger on Mr. Adams' face.nouns contrete or abstract Tom concrete anger abstract face concrete is this correct?
1. 1 answer
2. 492 views
Our class had a test in Spanish this afternoon.find the nouns mark concrete or abstract class concrete test concrete spanish
1. 1 answer
2. 643 views
The colorful paper decorations were ruined by the sudden storm? what are all the adjectives
1. 3 answers
2. 1,046 views
Gaseous nitrogen has a density of 1.17 kg/m3 and liquid nitrogen has a density of 810 kg/m3.[The relative molecular mass of
1. 0 answers
2. 663 views
A salesperson has found that the probability of making various numbers of sales per day is presented in the following table.
1. 2 answers
2. 2,241 views
A riverboat cruise line has a boat that can travel 76 mi downstream in the same time that it takes to travel 52 mi upstream. The
1. 2 answers
2. 1,210 views
Suppose 80% of citizens in Singapore are smokers. During a year, 50% of smokers suffer from at least one respiratory disease,
1. 0 answers
2. 408 views
It is known from experience that in a certain industry 40 percent of all labour-management disputes are over wages, 40 percent
1. 0 answers
2. 512 views
A mini-computer system contains two components, A and B. The system will function so longas either A or B functions. The
1. 1 answer
2. 656 views
9x -12 = 78. I need the steps to solve.
1. 1 answer
2. 446 views
Hello,My dughter is in 6th grade and has a science experiment that she is working on. It is to take a shoebox and do a
1. 1 answer
2. 401 views
Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now
1. 2 answers
2. 580 views
what is the principal procedures and services of the dermatology department?
1. 1 answer
2. 296 views
what are five memory aids for the musculoskeletal system
1. 2 answers
2. 545 views
i must make a police report of the murder from Patick Maloney the question is; imagine that you are one of the defective who is
1. 1 answer
2. 475 views
Trying to write a full sentence about drugs that includes effective arguments and counter arguments to support my thesis
1. 1 answer
2. 472 views
Using Cramer's rule, how do you solve?2x-y=4 3x+y-z=10 y+z=3
1. 0 answers
2. 407 views
103.5 mL of hydrogen are collected over water at 22.2 degrees Celsius and 758.2 torr from reaction with 0.1356 grams of alloy.
1. 4 answers
2. 741 views
How to factor (x/x-2)-(x+2/x)my answer is -x^2-x-2/x and (3+sq rt 5)*(3-sq rt 5) my answers are either 4 or 3*sq rt 5^2 are any
1. 5 answers
2. 318 views
In triangle ABC, sin A = 0.7 and sinB = 0.3 and side a = 12. What is the value of side b?
1. 0 answers
2. 589 views
The sum of a number and its square is 72. What is the number?I took a guess at 8, but I don't know how to put it in an equation
1. 2 answers
2. 741 views
how many ways can you arrange 6 books on a shelf horizontally?
1. 2 answers
2. 864 views
help with solving the system of equations3x+4y+z=7 2y+z=3 -5x+3y+8z=-31
1. 1 answer
2. 363 views
There are 10 women and 8 men in a club. How many different committees of 6 people can be selected from the group if equal
1. 2 answers
2. 838 views
determine the number of solutions using determinants3x-y=-6 2x=3y+2 I get: 3 -1 2 -3 D = -9-(-2)=-7 and 3 -6 2 2 D = 6-(-12)=18
1. 1 answer
2. 382 views
Which would you rather be paid for 12 days - $100 per day for the 12 days or one dollar for the first day, $2.00 the second,
1. 1 answer
2. 915 views
Jim is making a diagram of the solar system. If he draws Neptune, which is 2795 million miles from the sun, 10 inches from the
1. 1 answer
2. 1,005 views
Use the Rational Theorem to list the possible rational roots.f(x)=x^2+2x+1 f(x)=x^2-2x+5 f(x)=x^2+4x-5
1. 0 answers
2. 860 views
what are the x-intercepts, the extent of the graph and the asymptotes for x^2/16-y^2/25 = 1
1. 3 answers
2. 597 views
what is the equation of the ellipse with goci at (0,-4) and (0,4) and the sum of its focal radii being 10?
1. 2 answers
2. 439 views
what are the x-intercepts, and the y-intercepts and the foci of the ellipsex^2/25 + y^2/36 = 1
1. 2 answers
2. 424 views
The book had some nice features, such as: a hard-bound cover, a ribbon for a bookmark, and the author's signature.
1. 1 answer
2. 371 views
In a certain reaction, 300.23 grams of solid aluminum sulfide combine with unlimited aqueous silver nitrate. How many moles of
1. 2 answers
2. 1,243 views
From the decimal form of 1/13 we pick 99 consecutive digits and treat it as a 99-digit number. Can this number be divisible by
1. 3 answers
2. 413 views
What is the value of 16^(cos (pi/3))?
1. 1 answer
2. 341 views
What is the reference angle for 4400 degrees?
1. 1 answer
2. 402 views
Heidi has a brown pair and a gray pair of slacks; a brownblouse, a yellow blouse, and a white blouse; and a blue sweater and a
1. 1 answer
2. 502 views
What if anything do these reverse migrants lose by returning to the south?
1. 1 answer
2. 978 views
Based on computer and internet knowledge predict the own use and capability when we reach the golden age of 65 what do
1. 3 answers
2. 594 views
In 1995, 7.4 million people used the internet. The growth rate is 59% each year.What is the general equation of the function?
1. 1 answer
2. 327 views
In 1995, 7.4 million people used the internet. The growth rate is 59% each year.What is the general equation of the function?
1. 0 answers
2. 316 views
Two ships leave San Francisco at the same time. One travles 40 degrees W of N at the speed of 20 knots. The other travels 10
1. 1 answer
2. 1,194 views
Heyy, so here's the question:In its 1998 annual report, Arjo Wiggins Appleton p.l.c. states that it is the world's leading
1. 0 answers
2. 570 views
Does the transaction of a buyer and seller directly affect a third party in home building? Is the effect a negative or positive
1. 0 answers
2. 494 views
Can you help with this question?Please give your opinion. Appropriate cooking methods are cost-efficient because: 1.food
1. 1 answer
2. 673 views
which of the foods is Not a common allergen?eggs, orange juice, rice, or whole wheat bread Rice is not a common allergen. Am I
1. 0 answers
2. 713 views
If you wish to warm 120 kg of water by 16°C for your bath, how much heat is required?((The heat capacity of liquid water is
1. 2 answers
2. 721 views
I have one more question DrBob, I have draw a structure of this polymer CH2=CH-CH-OH' CH3 and identify the monomer units. Would
1. 0 answers
2. 743 views
Can you please help me to work out the addreviated structural formulae of hydrolysis of tocainide?Won't it be the -NH2 group
1. 0 answers
2. 429 views
An architect is building a building.Each floor is l0 ft. He wants to build 18 steps with a total run of 14 ft. What is the
1. 0 answers
2. 434 views
3x+4y=12 solve for solution (0.)(.3/4) (,0) (8/3,)You are given the equation, and the x,y set. Iwill be happy to critique your
1. 0 answers
2. 790 views