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Questions Asked on April 6, 2014

The height of a certain species of a tree are normally distributed with a mean of 30ft and stand dev of 4ft. If a random sample
1. 1 answer
2. asked by Tammy
3. 528 views
Convert- 94 gal/h=______L/min
1. 1 answer
2. asked by Unknown
3. 415 views
during the slave trade, what was shore trading?
1. 1 answer
2. asked by Victoria
3. 445 views
A family of 2 parents and 4 children is eating lunch at a rectangular table with 2 chairs on each side and one chair on each
1. 1 answer
2. asked by Paula
3. 447 views
A certain Circle of paper has x degrees cut out of it. The two cut edges are taped together, curling the paper up into a right
1. 1 answer
2. asked by diana
3. 499 views
Revision of the second paragraph: "Leisure time is another one of my favorite things about summer. It brings me happiness beyond
1. 1 answer
2. asked by Anonymous
3. 526 views
A brass ring of diameter 10.00 cm at 22.2°C is heated and slipped over an aluminum rod of diameter 10.01 cm at 22.2°C. Assume
1. 1 answer
2. asked by niti
3. 1,099 views
Put the following words in the correct place in these sentences.Revoke, Provoke, Invoke A. If we put something off until later,
1. 1 answer
2. asked by Anonymous
3. 544 views
For the following electrochemical cellCu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 3.50 M)|Ag(s) write the net cell equation. I presume it
1. 2 answers
2. asked by Aki
3. 8,171 views
Write the net ionic equation for the reaction between potassium hydroxide and copper(I) nitrate.
1. 1 answer
2. asked by Michael
3. 880 views
1) Which solution will have the lowest OH-A) Na2CO3 B) NaHCO3 C) NaCl D) NaHSO4 E) NH4Cl 2) Which solution will be the strongest
1. 6 answers
2. asked by Timothy
3. 5,702 views
what is the degree of the polynomial4x-2+5x^2?
1. 2 answers
2. asked by Alice HELP HELP
3. 1,445 views
Maria and Charlie can deliver 50 papers in 2 hours. How long would it take them to deliver 35 papers? formula please
1. 2 answers
2. asked by jorge
3. 966 views
Skeletal remains had lost 84% of the C-14 they originally contained. Determine the approximate age of the bones. (Assume the
1. 1 answer
2. asked by Vanessa
3. 5,037 views
Phosphorus-32 (P-32) has a half-life of 14.2 days. If 200 g of this substance are present initially, find the amount Q(t)
1. 0 answers
2. asked by Vanessa
3. 754 views
The growth rate of Escherichia coli, a common bacterium found in the human intestine, is proportional to its size. Under ideal
1. 0 answers
2. asked by Vanessa
3. 727 views
The length (in centimeters) of a typical Pacific halibut t years old is approximatelyf(t) = 190(1 − 0.955e−0.25t). How fast
1. 0 answers
2. asked by Vanessa
3. 451 views
The percentage of a certain brand of computer chips that will fail after t years of use is estimated to beP(t) = 100(1 −
1. 1 answer
2. asked by Vanessa
3. 970 views
During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days
1. 0 answers
2. asked by Vanessa
3. 824 views
A radioactive substance decays according to the formulaQ(t) = Q0e−kt where Q(t) denotes the amount of the substance present at
1. 1 answer
2. asked by Vanessa
3. 1,592 views
When a reservoir is created by a dam,50 fish are introduced into the reservoir ,which has an estimated carrying capacity of 8000
1. 4 answers
2. asked by Dash
3. 2,155 views
what is the degree of the polynomial4x-2+5x^2?
1. 1 answer
2. asked by Alice PLEASE HELP ME
3. 340 views
Identify the extraneous solution when solving √x+2= x
1. 0 answers
2. asked by Alice PLEASE HELP ME
3. 405 views
Identify the extraneous solution when solving √x+2= x
1. 1 answer
2. asked by I DONT UNDERSTAND
3. 357 views
A hypothesis is an educated guess and as such must have the following characteristics:1) can be proved or disproved 2) is based
1. 1 answer
2. asked by Indigo
3. 943 views
A theory differs from a hypothesis in the following ways:Question 2 options: 1) they are proven hypotheses and are not subject
1. 1 answer
2. asked by Indigo
3. 559 views
Collina’s Italian Café in Houston, Texas, advertises that carryout orders take about 25 minutes (Collina’s website,
1. 0 answers
2. asked by Vanessa
3. 680 views
Assume a binomial probability distribution has p = .60 and n = 200.a)What are the mean and standard deviation (to 2 decimals)?
1. 1 answer
2. asked by Vanessa
3. 1,401 views
Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals).P(z -1.0) P(z -1.0) P(z
1. 1 answer
2. asked by Vanessa
3. 1,392 views
how many ways can you choose 3 dishes from a menu of 8?my answer is 56
1. 1 answer
2. asked by steve
3. 2,259 views
A uniform AB 2m long Rod which exerts a downwards force of 60N at its centre is placed on a knife egde support position 0.8m
1. 1 answer
2. asked by mwazzy
3. 659 views
An alloy of copper is 10% copper and weighs 25 pounds. A second alloy is 18% copper. How much (to the nearest tenth lb.) of the
1. 1 answer
2. asked by justin
3. 1,527 views
.An angle is 10° more than the measure of its complement. Find the number of degrees in each angle.The angles measure _
1. 3 answers
2. asked by justin
3. 772 views
important concept that children learn by modeling other children is associated with which one of the following researchers?
1. 1 answer
2. asked by Soso
3. 490 views
whats a circle?
1. 1 answer
2. asked by sar
3. 370 views
a chord of 42 cm with the distance of 5 cm from center of the circle find the raduis of the circle?/.
1. 1 answer
2. asked by sar
3. 550 views
4. How could you increase the electricity generated by a solar cell during the day, when the sun’s angle is constantly changin
1. 1 answer
2. asked by debie
3. 412 views
1. Develop hypotheses predicting the efficiency of solar energy from direct sunlight against the 4 variables tested?
1. 2 answers
2. asked by debie
3. 774 views
I need a chart plan that will help me win Ghana national lottery.
1. 9 answers
2. asked by Quayson Nyamiah Alex
3. 1,606 views
2. Based on the results of your experiment, would you reject or accept each hypothesis that you produced in question 1? Explain
1. 1 answer
2. asked by debie
3. 599 views
Three positive numbers form an increasing G.P. If the middle term in this G.P. Is doubled , the new numbers are in A.P. Then the
1. 1 answer
2. asked by sagar tiwari
3. 629 views
Who am I? I have 2 in the ten thousands and the units place. The rest of my digits are 0.
1. 1 answer
2. asked by Arnesh
3. 1,037 views
Which of these phrases is correct?A 9 is a multiple of 3 and a factor of 12. B 9 is a factor of 45 and a multiple of 5. C 9 is a
1. 1 answer
2. asked by Carlotta
3. 507 views
1. If sec x + tan x = 3/2 and 0 ≤ x ≤ pi/2 then the value of sin x is...2. If 0 ≤ x ≤ pi/2 and tan²x + sec x = 5 then
1. 1 answer
2. asked by Patrick
3. 1,861 views
A closed box has a height which is two times it’s width. The length is 15 cm less than five times the width .What is the
1. 1 answer
2. asked by Anonymous
3. 441 views
Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into
1. 0 answers
2. asked by roger
3. 553 views
Bob buys a house for 150,000 with a mortgage rate of 5.8% convertible monthly. At the time ofpurchase he owns a 10,000 20-year
1. 1 answer
2. asked by John
3. 665 views
work breakdown structure deliverables are ignored and replaced with activities or tasks that have been grouped in phasesTrue or
1. 1 answer
2. asked by Patti
3. 1,001 views
what is the formula of a base area for a right trapezoidal prism?
1. 1 answer
2. asked by ali
3. 597 views
In cat, the gene for black coat is dominant to the gene for white coat. A heterozygous black cat is crossed with a white cat.
1. 3 answers
2. asked by Didi
3. 927 views
How do you think southern whites reacted to president Andrew Johnson’s plan?President Johnson’s Plan (10%+)  Offered
1. 1 answer
2. asked by anonymous
3. 617 views
what is the number of moles of nonvolatile nonelectrolyte dissolved in 3.5 kg of water when the solution boils at 101.86 degrees
1. 1 answer
2. asked by anonymous
3. 604 views
The following questions refer to the following system:A total of 30.0 mL of a .10M solution of a monophonic acid (Ka = 1.0 x 10
1. 1 answer
2. asked by Charlie
3. 689 views
A series RLC circuit is made with a C=100pF capacitor, an L=100μH inductor, and an R=30Ω resistor. The circuit is driven at
1. 2 answers
2. asked by roger
3. 639 views
What higher education institution were established to assist blacks during reconstruction?is it college?
1. 1 answer
2. asked by anonymous
3. 629 views
help us!!! plzzbtw this is not a question :P
1. 6 answers
2. asked by anonymous
3. 467 views
Jane has a pizza shop. She has 1 type of crust, 1 type of sauce and 6 toppings. How many 2 topping pizzas can she make. Note the
1. 1 answer
2. asked by Evan
3. 584 views
Write the net ionic equation for the reaction between...(and MUST INCLUDE STATES, please post answers to all so i can verify if
1. 1 answer
2. asked by NEED HELP PLEASE!!!
3. 1,207 views
To what temperature would the reaction below need to be heated to have a rate constant of 8.474e-4 M-1s-1 if the rate constant
1. 1 answer
2. asked by Chemistry
3. 606 views
The initial concentration of PCl5 was 0.1983 M. It was allowed to decompose at some temperature until equilibrium had been
1. 1 answer
2. asked by Chemistry
3. 571 views
If an explanation for correct answer could be provided, that would be great! Which equilibrium constant indicates that the
1. 1 answer
2. asked by Chemistry
3. 439 views
Method for getting correct answer for this? Thank you! A mixture containing an initial concentration of 0.1877 M for H2 and
1. 1 answer
2. asked by Chemistry
3. 609 views
Method for getting correct answer for this? Thank you!For the reaction A ↔ 2B K = 3.80x10-7 , if one started with 0.154 M A
1. 1 answer
2. asked by Chemistry
3. 555 views
Method for getting correct answer? Thank you!What is the value of Kc at 226.85 °C for the reaction below if Kp is 6.24e-3 at
1. 1 answer
2. asked by Chemistry
3. 572 views
The surface area of a prism is 54 square inches. What is the surface area of a similar prism that is smaller by a scale of 1/3?M
1. 1 answer
2. asked by Unknown
3. 960 views
Square miles 66, 000 and 1, 000, 000 people.Population density is a rate that is indicates how crowed and area is. A proportion
1. 1 answer
2. asked by Alice Urgent
3. 639 views
Method for how to get answer? Thank you!For the equilibrium reaction below. To what is Kc equal? N2(g) + 3H2(g) ↔ 2NH3(g) a.
1. 1 answer
2. asked by Chemistry
3. 630 views
Method for getting correct answer? Thank You!What is Kp for the reaction below, if Kc = 1.13e-3 at 111.2°C? 4A(s) + 5B(g) ↔
1. 1 answer
2. asked by Chemistry
3. 447 views
The following questions refer to the following acids and bases.A) Hydrazoic acid HN3 Ka = 1.9 x 10^-5 B) Hydrofluoric acid HF Ka
1. 3 answers
2. asked by Zachary
3. 1,322 views
Method for getting correct answer? Thank you!Initially there were equilibrium concentrations of 0.1887 M A, 0.1042 M B. Which of
1. 2 answers
2. asked by Chemistry
3. 548 views
Method for getting correct answer? Thank you!The reaction below is an endothermic reaction. What would one have to do to shift
1. 2 answers
2. asked by Chemistry
3. 702 views
A lightning bolt may carry a current of 1.00 ✕ 104 A for a short time interval. What is the resulting magnetic field 134 m
1. 1 answer
2. asked by Chris
3. 742 views
Volume of a cylinder is 15 cubic inches. If all the dimensions are multiplied by 2.7 what is the new volume?
1. 0 answers
2. asked by Karley
3. 470 views
Problem Question:Rashad started The 780km drive from Sault st. Marie to Ottawa at 09:00. His average speed was 100km/h. Two
1. 1 answer
2. asked by M.
3. 445 views
A procedure in regression analysis where Predictor or Independent Variables are coded as 1 or 0 (representing categories) and
1. 1 answer
2. asked by C
3. 736 views
a hammer is often used to force a nail into wood.the faster the hammer moves,the deeper the nail moves into the wood.
1. 1 answer
2. asked by kimesha
3. 1,807 views
I have to write a essay about the confederation of Canada in 1867 and why it was a good choice. I have all of my body paragraphs
1. 6 answers
2. asked by Anonymous
3. 906 views
How many mole of magnesium atoms are present in 0.50g of manesium (mg=24)
1. 2 answers
2. asked by Moses
3. 484 views
define a chemical bond
1. 1 answer
2. asked by angelena
3. 371 views
A bullet is fired horizontally with a speed of 100 m/s aiming at a target 20m away. It misses the target by??
1. 1 answer
2. asked by Anonymous
3. 1,806 views
Please Help....A hard-boiled egg at 98℃ is placed in a sink of 18℃ water to cool. After 5 minutes, the eggs temperature is
1. 1 answer
2. asked by Raven
3. 1,008 views
Who is the narrator of The Open Boat?A) The oiler B) The captain C) The correspondent D) The cook I think it's the
1. 1 answer
2. asked by Isabella
3. 724 views
Boxcar A, with a mass of 1500 kg, is travelling at 25 m/s to the east. Boxcar B has a mass of 2000 kg, and is initially at rest.
1. 1 answer
2. asked by DeAnne
3. 527 views
Method for getting correct answer? Thank you!Initially there were equilibrium concentrations of 0.1887 M A, 0.1042 M B. Which of
1. 1 answer
2. asked by Chemistry
3. 429 views
You are about to leave for vacation, but you forgot your socks! You go back to your room but lights are out, can't see. You
1. 1 answer
2. asked by Laney
3. 759 views
1. For the following research question, specify the parameter and give the null and alternative hypotheses. "Is there a
1. 2 answers
2. asked by A
3. 734 views
A 50 foot ladder is placed against a building so that it touches a point 40 feet above the ground. The distances ( in feet )
1. 3 answers
2. asked by thomas
3. 777 views
Two stations, A and B, are located six miles apart on a railroad. The rates of cartage of coal are 50 cents per ton per mile
1. 1 answer
2. asked by thomas
3. 580 views
using integration by partial fraction, prove that pi + integral from 0 to 1 of x^4(1-x)^4/1+x^2 = 22/7
1. 1 answer
2. asked by chelsea
3. 438 views
the gamma function r(x) is defined by r(x)= integral from 0 to infinity of x^n-1(e^-1)dx. find r(1), r(2), r(3)
1. 1 answer
2. asked by chelsea
3. 482 views
In the device a 50g mass is hung from a pulley and released. A disk is placed on the platform. The platform has a radius of 5cm.
1. 0 answers
2. asked by Joe
3. 597 views
What are ten observations made by Charles Darwin on his voyage and what are their significance?
1. 0 answers
2. asked by Zoey
3. 558 views
How would you start and finish these questions by a step by step process? Does Amp equal to Joules?1. How many grams of aluminum
1. 1 answer
2. asked by Erika
3. 584 views
A triangular prism has a volume of 92 in.³ if all dimensions are multiplied by 1.6 what is the new volume?
1. 1 answer
2. asked by Holly
3. 454 views
a wet gas collected over water has a volume of 900 mL at50 degrees Celsius and a pressure of 84.6 kPa. The partial pressure of
1. 1 answer
2. asked by nina
3. 678 views
A series RLC circuit is made with a C=100pF capacitor, an L=100μH inductor, and an R=30Ω resistor. The circuit is driven at
1. 3 answers
2. asked by roger
3. 767 views
My question is ..can anyone explain how to do problem #2? I feel lost. :( And could you also explain why? Problem#1, is that a
1. 1 answer
2. asked by Lynn
3. 735 views
Revision of second paragraph: "Liesure time is another one of my favorite things about summer. It brings me happiness beyond
1. 3 answers
2. asked by Victoria
3. 469 views
I don't really understand these questions and their processes. And I am a bit iffy on redox reactions. For problem 3, can you
1. 1 answer
2. asked by Mika
3. 699 views
PLS HELP ME AND THANK YOU:)What is the molarity if 2.18 grams of CO(NO3)2.6H2O dissolved in 50.00ml of solution?
1. 1 answer
2. asked by may
3. 491 views

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