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Questions Asked on May 31, 2013

At one college, GPA's are normally distributed with a mean of 2.7 and a standard deviation of 0.5. What percentage of students
1. 3 answers
2. asked by Irene
3. 4,346 views
What is the half-life of sodium-24? Explain how you determined your answer.Sodium-24 decays by beta emission. Write a nuclear
1. 3 answers
2. asked by Help plz....Chloe
3. 3,801 views
Describe what happens in a fission reaction.What is a commonly used isotope in a nuclear fission reactor? Describe how a fission
1. 4 answers
2. asked by holly
3. 3,265 views
The Flour Power Bakery makes 200 cherry cheesecakes at a cost of $2.45 each. If a spoilage rate of 5% is anticipated, at what
1. 2 answers
2. asked by Beth
3. 2,985 views
A single die is rolled.(a) What is the probability that the number on top is a 3. (Give your answer correct to two decimal
1. 3 answers
2. asked by Nora 2
3. 2,778 views
Sixty men working on a construction job have done 1/3 of the work in 18 days. The project is behind schedule and must be
1. 6 answers
2. asked by Shin
3. 2,506 views
Sodium Azide, (NaN3), the conjugate base of hydrazoic acid, is sometimes added to water to kill bacteria. Given a 0.010 M
1. 2 answers
2. asked by Lovey dovey
3. 2,421 views
1. What is Charles’s law?• State the definition of the law in words. • What are the assumptions of Charles’s law? •
1. 2 answers
2. asked by Help needed.... Danielle
3. 2,177 views
Sulfuryl chloride, SO2Cl2, decomposes to SO2 and Cl2 according to the reactionSO2Cl2(g) -> SO2(g) + Cl2(g) The reaction is first
1. 5 answers
2. asked by ssss
3. 2,165 views
What is the excluded value of a/b-2
1. 2 answers
2. asked by Anonymous
3. 1,976 views
Describe the subatomic structure of the nucleus, including the structure of each nucleon.Describe the forces that hold the
1. 3 answers
2. asked by Maria
3. 1,931 views
1.Which of the following is an example of an acronym? FAQ Mrs. Ave. won't 2. The original meaning of the word awesome is
1. 6 answers
2. asked by Delilah
3. 1,833 views
Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red
1. 5 answers
2. asked by Nora 4
3. 1,806 views
2.The data in the table show the amount of a 500 g sample of sodium-24 over time.Make a graph of the data (remember to label all
1. 1 answer
2. asked by holly
3. 1,801 views
What nutritional supplement is recommended for helping the body handle stress?A. Zinc B. Iron C. Vitamin C D. No supplements are
1. 2 answers
2. asked by selena
3. 1,523 views
Silver will spontaneously reduce which of the following?Reaction E (volts) Na+ + e- ---> Na -2.71 Co2+ + 2e- ---> Co -0.28 Ag+ +
1. 6 answers
2. asked by sciencegeek
3. 1,498 views
A. Wyatt’s Western Wear purchases shirts for $47.50 each. A $34.00 markup is added to the shirts. What is the selling price?B.
1. 1 answer
2. asked by TISHA
3. 1,329 views
Slope and y-intercept in 3x-2y=10my answer: slope-intercept form is y = 1.5x + 5 and the slope is 1.5 and the y-intercept is -5.
1. 3 answers
2. asked by Anonymous
3. 1,323 views
State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test the following statements.(a) The
1. 2 answers
2. asked by Sue 12
3. 1,309 views
Here are some questions I had for hw, I answered some of them, can someone check my answers and help me with the ones i didn't
1. 3 answers
2. asked by Ally
3. 1,279 views
Don't really understand what the teacher want. Can you help me get a better understanding.Evaluating and Refining Resolutions
1. 9 answers
2. asked by cathy
3. 1,249 views
Find all first partial derivatives:f(x,y)=e^(xy)cosx
1. 3 answers
2. asked by Elyse
3. 1,123 views
a trailer is pulling acar with a force of 900N on a level road. The car is moving at 70km/h, how much work is done by the
1. 1 answer
2. asked by taiwo
3. 1,101 views
You are shopping for an executive desk chair at The Furniture Gallery. You see two you like on sale. Chair A was originally
1. 3 answers
2. asked by trish
3. 1,101 views
Which of the following is the correct relationship between the electric field strength and the potential difference?
1. 1 answer
2. asked by tanya
3. 1,091 views
Hunter and his father drove 582 miles in 4 days. They drove 102 miles on the first day. Then they drove the same number of miles
1. 2 answers
2. asked by Vy
3. 1,046 views
If the resistance between the center and the outer terminal on a 20 k ohm potentiometer reads 12 k ohms, the resistance between
1. 0 answers
2. asked by Adam
3. 1,045 views
3.Describe the subatomic structure of the nucleus, including the structure of each nucleon. Draw a picture. Describe the forces
1. 1 answer
2. asked by holly
3. 1,034 views
Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y.x 7 7 5 5 7 y 95
1. 1 answer
2. asked by Krista
3. 1,010 views
Describe the subatomic structure of the nucleus, including the structure of each nucleon. Draw a picture.Describe the forces
1. 2 answers
2. asked by holly
3. 995 views
Ok, so in an when an endothermic reaction occurs, is it hot or cold? and why? Also what is it for an exothermic reaction? Thank
1. 5 answers
2. asked by K
3. 990 views
Evaluate the following limit, if it exists:lim h-->0 ((sqrt9+h)-3/(h)
1. 1 answer
2. asked by Tyler
3. 980 views
Myra's bulletin board has a length of 60 inches across the bottom. When she originally decorated it she used 192 inches of
1. 1 answer
2. asked by zmarie
3. 972 views
Consider the following.P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give
1. 2 answers
2. asked by Nora 4
3. 959 views
True or False: The least common denominator of each denominator in the following rational expression is -2(x-3)(x-1): 8 /
1. 1 answer
2. asked by mysterychicken
3. 956 views
Help plzzzBesides the major types of radioactive decay, there are two others: positron emission and electron capture. •
1. 1 answer
2. asked by Help!!! Maddie
3. 909 views
A. . Epicure Market prepares fresh gourmet entrees each day. On Wednesday, 80 baked chicken dinners were made at a cost of $3.50
1. 1 answer
2. asked by Lamar
3. 861 views
If a ball is thrown straight up into the air with an initial velocity of 95 ft/s, its height in feet after t seconds is given by
1. 1 answer
2. asked by Abby
3. 860 views
If a ball is thrown straight up into the air with an initial velocity of 95 ft/s, its height in feet after t seconds is given by
1. 1 answer
2. asked by Robin
3. 854 views
1) Find the possible values of a, if the distance between the points is 5, and the coordinates are (1, 1) and (4, a). I don't
1. 2 answers
2. asked by Eri
3. 854 views
Please read my essay to see if it's good. PLEASE LET ME KNOW IF THERE ANY OTHER DETAILS I COULD ADD! I REALLY want to get a good
1. 2 answers
2. asked by Laruen
3. 837 views
Calculate the pI (isoelectric point) of the dipeptide, Lys-Gly, assuming that there is negligible shift in the values of acid
1. 1 answer
2. asked by guegue
3. 832 views
would the equation in slope-intercept form of the line which passes through 0,6 and 4,3 be y = -3/4x + 6?
1. 2 answers
2. asked by Anonymous
3. 828 views
How does Kurt Vonnegut address the concept of equality differently in “Harrison Bergeron” than Martin Luther King Jr. does
1. 2 answers
2. asked by Charlie
3. 826 views
is too much exersise and sports training without any rest good for health?
1. 1 answer
2. asked by kundavai.u
3. 816 views
True or False: The least common denominator of each denominator in the following rational expression is (z-4)(z+4)(z-1)(z+1):8 /
1. 3 answers
2. asked by mysterychicken
3. 806 views
Use the following table to answer the questions. (Give your answers correct to two decimal places.)x 1 1 3 3 5 5 7 7 9 9 y 3 2 6
1. 5 answers
2. asked by Sue 12
3. 797 views
Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol.Express your answer in J/cm2.
1. 12 answers
2. asked by Anonymous
3. 777 views
Which of the following best describes the columbian exchange that occurred during the age of discovery
1. 2 answers
2. asked by Annette
3. 764 views
at high noon, the sun delivers 1000w to each square meter of a blacktop road.if the hot asphalt transfers energy only by
1. 2 answers
2. asked by amelia
3. 751 views
The lifetime of a 2-volt non-rechargeable battery in constant use has a normal distribution with a mean of 516 hours and a
1. 0 answers
2. asked by Anonymous
3. 742 views
According to the lesson, most African art was created for all of these purposes EXCEPT:
1. 0 answers
2. asked by Anonymous
3. 738 views
A large truck (m=3300kg) accelerates from 15 m/s. Neglecting any friction or air resistance, find the average mechanical power
1. 2 answers
2. asked by Stacy
3. 733 views
Will someone please check my C++ for me?1. What does the Load ( ) method do? Gets data from a file and puts it into a DataSet
1. 1 answer
2. asked by Lisa
3. 723 views
A. You are shopping for an executive desk chair at The Furniture Gallery. You see two you like on sale. Chair A was originally
1. 1 answer
2. asked by Lamar
3. 717 views
Tickets to a show cost $10 for adults and $5 for children. The show was sold out, and the theatre has 500 seats. If the revenue
1. 1 answer
2. asked by ray
3. 706 views
Find P(B). (Give your answer correct to two decimal places.)A and B are independent events, P(A) = 0.59 and P(A and B) = 0.25
1. 3 answers
2. asked by Nora 4
3. 704 views
Consider the following bivariate data.Point A B C D E F G H I J x 3 4 2 1 7 2 1 0 4 2 y 1 7 3 3 6 6 5 0 6 2 (a) Construct a
1. 0 answers
2. asked by Sue 12
3. 702 views
If you roll a die 48 times and 8 of the rolls result in a "5," what empirical probability was observed for the event "5"? (Give
1. 0 answers
2. asked by Nora
3. 678 views
describe with the aid of a fully labelled diagram the features and their uses of a bicycle pump
1. 0 answers
2. asked by Tanaka Mufuvi
3. 669 views
the car has wheels of radius 0.3 m and is travelling at a speed of 36 m/s in a straight line and the wheel now describes 40
1. 1 answer
2. asked by Circular motion
3. 655 views
Calculate a linear regression, the residuals, and the correlation between two variables using the following info: number of
1. 1 answer
2. asked by Kathryn
3. 652 views
A high pass filter with a cutoff frequency of 250 kHz is placed in a circuit after a low pass filter with a cutoff frequency of
1. 2 answers
2. asked by Adam
3. 649 views
For each pair of substances listed below, identify the one with the lower boiling point.(a) Silane (SiH4) and Phosphine (PH3)
1. 5 answers
2. asked by barco
3. 647 views
when a wire of length 5m & radius 0.5mm is stretched by a load of 49N the elongation produced in the wire is 0.1cm find the
1. 1 answer
2. asked by Sonal
3. 642 views
If the markup of a fluorescent light fixture transformer is 120% based on the cost, what is the corresponding percent markup
1. 1 answer
2. asked by Beth
3. 640 views
15. You are the buyer for The Shoe Outlet. You are looking for a line of men’s shoes to retail for $79.95. If your objective
1. 1 answer
2. asked by kim
3. 640 views
Epicure Market prepares fresh gourmet entrees each day. On Wednesday, 80 baked chicken dinners were made at a cost of $3.50
1. 1 answer
2. asked by Beth
3. 632 views
You are a real estate agent and you are trying to predict home prices for your clients that want to list their house for sale.
1. 1 answer
2. asked by Kathryn
3. 628 views
The Easy Bake Oven is a common toy for young children who want to emulate the process of cooking. Suppose this oven is plugged
1. 1 answer
2. asked by Julia
3. 622 views
Which of the following is correct for a step-down transformer?
1. 1 answer
2. asked by april
3. 612 views
A poll of 100 students was taken at a no-residential college to find out how they got to campus. The results were as follows: 28
1. 1 answer
2. asked by ray
3. 597 views
an elevator descends at the rate of 8m/min.if the descent starts from 5m above the ground level,how much time will it take to
1. 4 answers
2. asked by kundavai.u
3. 594 views
Consider the following set of data.(18, 12), (29, 48), (65, 29), (82, 24), (115, 56), (124, 13) (a) Calculate the covariance of
1. 0 answers
2. asked by Sue 12
3. 584 views
How does The Misfit embody both verses of Matthew 12:35? "A good man from the goodness of his good heart brings forth good
1. 1 answer
2. asked by joanna
3. 583 views
Consider the following.(a) What percentage of a normal distribution is greater than the mean? (Give your answer correct to the
1. 1 answer
2. asked by Nora 2
3. 578 views
find the molar enthalpy of vaporization for a substance, given that 3.21 mol of the substance absolve 28.4 kj of energy as heat
1. 1 answer
2. asked by ady
3. 575 views
Which of the following is correct for the two coherent light waves to produce zero light?
1. 1 answer
2. asked by Janet
3. 570 views
Solve the Equations142=58-7x 2x+96=-44-3x -26=-7x+4(2x-4) 7x+5(-4x-4)=-124 -7x-35=28 10x+36=-108-2x
1. 1 answer
2. asked by Diamond
3. 569 views
If a - b , a , a + b are zeros of polynomial x3-3x2 + x + 1 the value of(a+b) is:
1. 2 answers
2. asked by sapna
3. 569 views
At The Luminary, the markup on a halogen light fixture is 50% based on selling price. What is the corresponding percent markup
1. 1 answer
2. asked by Beth
3. 568 views
Mark's house is 90 miles away from New York. You travel 15 miles on city streets, and then 75 miles on the highway.a. your
1. 1 answer
2. asked by Celest
3. 564 views
1.Where should you put one or more hyphens in the following sentence? The cake was freshly baked and was an irresistible
1. 3 answers
2. asked by Delilah
3. 563 views
prove that the equation of straight line which passes through the point (a cos^3a, sin^3a) & is perpendicular to the straight
1. 1 answer
2. asked by Sonal
3. 561 views
What is the approximate ratio in conductivity of silicon doped with 37 ppm to silicon doped with 5 ppm?
1. 0 answers
2. asked by zzzz
3. 557 views
Can someone help me with this I figured out a similar problem P(x) = xsquare+5 over 50 for x = 1 got 0.12 But having problems on
1. 3 answers
2. asked by Nora 5
3. 557 views
The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10
1. 0 answers
2. asked by Sue 12
3. 544 views
A tunable capacitor (with variable capacitance) is charged by a U0=12 V battery and then is connected in parallel to a R=3 Ω
1. 0 answers
2. asked by Mathslover
3. 544 views
You have 333 mL of alkaline solution at pH = 11.1. You wish to neutralize this by reacting it with 222 mL of acid. What must be
1. 5 answers
2. asked by barco
3. 543 views
Can anyone write a mathematical equation to represent Charles law?
1. 1 answer
2. asked by Schylar
3. 543 views
1. True or False: The y -intercept of the linear equation x – y = 4 is (0, 4).False?...I think its -4 2. If 10 a > 17, then 30
1. 10 answers
2. asked by mysterychicken
3. 538 views
What was the original selling price of a treadmill currently on sale for $2,484 after a 20% markdown
1. 1 answer
2. asked by Beth
3. 536 views
the speed of 90 hm/hr is equal to....m/s
1. 2 answers
2. asked by arowosafe
3. 531 views
A parallel circuit has value of RT = R1 // R2 // R3. If one resistor opens, RTRT increases?
1. 2 answers
2. asked by Adam
3. 523 views
Which is the better strategy for reading comprehension?
1. 1 answer
2. asked by Lulu
3. 519 views
I'm looking at this graph where I see a line AB with the points (-2,2) and (2,8). Then I have to do the following:a) Find the
1. 1 answer
2. asked by Lily
3. 513 views
an electron with velocity v=3x10 to the power 7 m/s describes a circular path in a uniform magnetic field of 0.2T perpendicular
1. 1 answer
2. asked by Sonal
3. 511 views
Solve the Equations142=58-7x 2x+96=-44-3x -26=-7x+4(2x-4) 7x+5(-4x-4)=-124 -7x-35=28 10x+36=-108-2x
1. 1 answer
2. asked by i need help
3. 508 views
1. If square root of 3x-11 +10 = 17, find the value of 10 x .I don't know how to solve with square roots. I subtracted 10 from
1. 3 answers
2. asked by mysterychicken
3. 504 views
How does the structure of Earth’s interior affect seismic waves?
1. 1 answer
2. asked by ale
3. 501 views

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