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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. 4,363 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. 3,822 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. 3,280 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. 3,001 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. 2,790 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. 2,524 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. 2,430 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. 2,190 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. 2,190 views
What is the excluded value of a/b-2
1. 2 answers
2. asked by Anonymous
3. 1,984 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. 1,950 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. 1,852 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. 1,826 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. 1,819 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. 1,534 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. 1,509 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. 1,347 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. 1,332 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. 1,329 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. 1,292 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. 1,261 views
Find all first partial derivatives:f(x,y)=e^(xy)cosx
1. 3 answers
2. asked by Elyse
3. 1,134 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. 1,119 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. 1,113 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. 1,109 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. 1,060 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. 1,056 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. 1,050 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. 1,023 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. 1,009 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. 1,005 views
Evaluate the following limit, if it exists:lim h-->0 ((sqrt9+h)-3/(h)
1. 1 answer
2. asked by Tyler
3. 992 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. 990 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. 978 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. 968 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. 923 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. 879 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. 877 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. 868 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. 867 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. 856 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. 846 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. 842 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. 834 views
is too much exersise and sports training without any rest good for health?
1. 1 answer
2. asked by kundavai.u
3. 828 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. 819 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. 811 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. 801 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. 782 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. 762 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. 756 views
According to the lesson, most African art was created for all of these purposes EXCEPT:
1. 0 answers
2. asked by Anonymous
3. 750 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. 746 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. 738 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. 737 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. 730 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. 719 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. 716 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. 686 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. 683 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. 664 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. 664 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. 664 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. 663 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. 660 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. 657 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. 654 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. 647 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. 641 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. 633 views
Which of the following is correct for a step-down transformer?
1. 1 answer
2. asked by april
3. 630 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. 613 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. 607 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. 598 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. 596 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. 589 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. 587 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. 585 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. 583 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. 581 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. 580 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. 579 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. 578 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. 578 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. 572 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. 570 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. 561 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. 560 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. 560 views
the speed of 90 hm/hr is equal to....m/s
1. 2 answers
2. asked by arowosafe
3. 554 views
Can anyone write a mathematical equation to represent Charles law?
1. 1 answer
2. asked by Schylar
3. 554 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. 549 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. 548 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. 533 views
Which is the better strategy for reading comprehension?
1. 1 answer
2. asked by Lulu
3. 528 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. 527 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. 526 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. 519 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. 1 answer
2. asked by brenda
3. 515 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. 514 views

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