Questions Asked on
November 6, 2013

Math
True or False: A function's graph may include solutions that do not appear in its table of values.
asked by Anonymous 
MATH
Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. If the side lengths are all the same, what is the length of each side of the box? Hint: V= s^3.
asked by Cindy 
Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary
asked by Anonymous 
Science
1. The sporophyte generation produces spores that grow into a(n) (1 point) gametophyte. gymnosperm. angiosperm. pupa. 2. Placental mammals develop (1 point) in an egg laid in water. in a pouch on the mother’s body. inside the mother’s body. inside an
asked by anon 
Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary
asked by Anonymous 
stats
To estimate the mean score of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about
asked by Aman 
Chemistry
List the following compounds in order of increasing electrical conductivity: 0.1 M formic acid (HCOOH), 0.1 M (NH4)3PO4, 0.1 KCl, and 0.1 M glucose solution (C6H12O6). Why are they in that order?
asked by Sam 
General Chemistry I
At noon on a clear day, sunlight reaches the earth's surface at Madison, Wisconsin, with an average power of approximately 4.00 kJ·s–1·m–2. If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 6.60 cm2
asked by Deaven 
Science
During which section of the geologic time period did the first modern humans evolve? a. during the Paleogene period of the Cenozoic era. b. during the Quaternary period of the Cenozoic period. c. during the Cretaceous period of the Mesozoic era. d. during
asked by Anonymous 
physics
Two children are sending signals along a cord of total mass 0.50 kg tied between tin cans with a tension of 35 N. It takes the vibrations in the string 0.50 s to go from one child to the other. How far apart are the children?
asked by emy 
Science
Which of the following vertebrates had the chance to become abundant after the dinosaurs became extinct? a. wolly mammoths b. amphibians c. mammals d. reptiles C
asked by Anonymous 
Science
which of the following vertebrates had the chance to become abundant after the dinosaurs became extinct? a. wolly mammoths b. amphibians c. mammals d. reptiles C
asked by Anonymous 
chemistry
Solid sodium azide (NaN3) is used in air bags to fill them quickly upon impact. The solid NaN3 undergoes a decomposition reaction to produce Na(s) and N2(g). a. Provide the balanced equation for the decomposition of NaN3. b. What mass, in grams, of NaN3 is
asked by Anonymous 
Science
3. What can scientists learn from the rate at which radioactive elements decay? (1 point)
asked by Nicole 
physics
A 15cmlong tendon was found to stretch 3.7 mm by a force of 13.4 N. The tendon was approximately round with an average diameter of 8.5 mm. Calculate Young’s modulus of this tendon.
asked by emy 
Science
3. What can scientists learn from the rate at which radioactive elements decay? (1 point)
asked by Nicole 
physics
A fish tank has dimensions 36 cm wide by 1.0 m long by 0.60 m high. If the filter should process all the water in the tank once every 4.0 h, what should the flow speed be in the 3.0cmdiameter input tube for the filter?
asked by emy 
chemistry
Assuming reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter. heat capacity =3.03J/g.c density =1.012 5g of NH4Cl used 100 mL of water used NH4Cl(s) + H2O(l) > NH4Cl(aq)
asked by john 
Health (Ms. Sue)
1. List five questions you should ask you doctor id you are given a prescription for a medicine. A: You should ask your doctor of what amount is the correct dosage, how many times of the day you will need to partake of the medicine, what the side effects
asked by Anonymous 
Math
Information: Juan plans to build a bookcase t store his paperback books, DVDs, and CDs. he has lumber that he will use for the sides and back of the bookcase. Juan plans for his bookcase to have five shelves including, the top and bottom shelves. Each
asked by HELP!!! ASAP!!! 
English
Which of the following sentences contains an italicized word that's used as a predicate adjective? A. Jerry looks ill today.(ill is italicized) B. Jerry looks into the microscope.(into is italicized) C. Jerry looks disdainfully at the pile of
asked by Cassie 
math
A store has 2 times as many hooded sweatshirts as crewneck sweatshirts. The total number of sweatshirts is 36. How many hooded sweatshirts does the store have?
asked by abhishek 
calculus
A Ferris wheel with a radius of 13 m is rotating at a rate of one revolution every 2 minutes. How fast is a rider rising when the rider is 25 m above ground level?
asked by Rabb 
ap chemistry
Under certain conditions, the reaction 3A + 2B > 4C was observed to proceed at a rate of 0.00348 M· s−1. What was the corresponding rate of change in reactant A?
asked by gabriella 
math
Hideki is collecting pennies . Each month in may, june, and july he put 200 pennies in a jug . He put 300 pennies in th jug in August and 300 in September. How many pennies did Hideki put in the jug between May and September ?
asked by sai 
Algebra 8th
Find the greatest possible error for the given measurement if it is to the nearest 10 miles. 150 mi a. 5 mi b. 75 mi c. 0.5 mi d. 7.5 mi Find the greatest possible error for each measurement. 18.9 m a. 0.01 m b. 0.5 m c. 9.45 m d. 0.05 m Find the greatest
asked by purplebananas 
math
beth travels 244 miles everyweek. she says she will travel 2,196 miles if she travels the same number of miles for the next 9 weeks.
asked by rani 
AP Chemistry
Equal masses of Ne and Ar are placed in a rigid, sealed container. If the total pressure in the container is 1.2 atm, what is the partial pressure of Ar?
asked by Elizabeth 
Chemistry
Why is the solubility of butane 6.1 mg / 100 g water, yet hexane is immiscible in water?
asked by Ali 
kjkj
A gymnast of mass 56.0kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81m/s2 for the acceleration of gravity.Calculate the tension T in the rope if the
asked by Anonymous 
Quantitative Analysis
The "standard deviation of the sample score" divided by the "square root of the sample size" is the formula for computing the ...? A. Coefficiant of Determination B. Absolute Deviation C. Variance D. Standard Error
asked by Stacie 
brief calc
Calculate the total area of the region described. Do not count area beneath the xaxis as negative. Bounded by the curve y = square root of x the xaxis, and the lines x = 0 and x = 16 This is under Integrals, i don't know what i'm doing wrong, please help
asked by kyle 
physics
Calculate the component of a force of 200N at a direction of 60degree to the force.
asked by Abdulbasit 
Eko
MegaMart collects a sales tax equal to 1/16 of the retail price of each purchase and sends this money to the state government. .Is the amount of tax collected proportional to the cost of an item after tax has been added?
asked by Ngozi 
Quantitative Analysis
All "Factorial ANOVAs" share the characteristic of...? A. Having one dependent variable B. Relying on post hoc procedures to reject the Null Hypothesis C. Having two or more independent variables D. Applying corrections for multiple comparisons
asked by Stacie 
science
2. How do enzymes impact biochemical reactions in the body? A. Enzymes are catalysts to biochemical reactions. B. Enzymes lower the activation energy of biochemical reactions. C. Enzymes can speed up biochemical reactions. D. All of the above are correct.
asked by hannah 
English
After the bully struck him, Jules wanted to......... by throwing a rock, but he had.......s about doing anything so dangerous.
asked by Miracle Moore 
math for the office professional
one of your delivery trucks traveled 1,200 miles on 55 gallons of gas.yow many miles per gallon did the truck get?round off your answer to the nearest hundredth a.21.81 B.45.83C.45.84 D.21.82 my answer is d I know a is wrong
asked by susue 
physics
Four long, parallel conductors carry equal currents of I = 9.50 A. The current direction of the current is into the page at points A and B and out of the page at C and D. Calculate the magnitude and direction of the magnetic field at point P, located at
asked by arthur 
solar energy please help
In this section, we talked about combining a solar cell with a photoelectrode to form a photoelectrochemical device. Why do we add a solar cell in the system? a)Because the photoelectrode is not able to produce any voltage difference to drive the reaction
asked by hitesh 
Physics ASAP PLease
A spherical capacitor consists of a spherical conducting shell of radius b and charge Q concentric with a smaller conducting sphere of radius a and charge +Q . Enter an expression for the capacitance of this device in terms of Coulomb's Constnat K_e (just
asked by asha 
Physics
A heavy wooden block rests on a flat table and a highspeed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 9.5 g, the mass of the block is 10.5 kg, the
asked by jonathan 
math
A hobby shop has 4 times as manymodel airplanes as model helicopters.The total number of model airplanesand helicopters is 35. How manymodel airplanes does the hobby shophave?
asked by rani 
Physics (help)
A solid disk 1 with radius R1 is spinning freely about a frictionless horizontal axle l at an angular speed ω initially. The axle l is perpendicular to disk 1, and goes through the center S of disk 1. The circumference of disk 1 is pushed against the
asked by Anonymous 
Chemistry
How would I extract benzophenone from acetylsalicylic acid? thanks
asked by Anon 
Chemistry
Calculate the mass in grams of 0.000025 Avagadro's number of rhodium atoms (with the steps please)
asked by Anonymous 
physics
A house at the bottom of a hill is fed by a full tank of water 5.0 m deep and connected to the house by a pipe that is 110 m long at an angle of 58° from the horizontal (Fig. 13–48). (a) Determine the water gauge pressure at the house. (b) How high
asked by emy 
Chemistry
How many grams of NaCl are present in a 300 grams salt solution containing 9% NaCl ?
asked by Angelica 
Health (Ms. Sue)
Compare the term drug with the term medicine. A: The term drug and the term medicine both describe types of drugs. However, these types of drugs are very different. For example, the term drug is any substance that causes a change in a person’s physical
asked by Anonymous 
Statistics
A scientist in Smallville tested the cholesterol of a random sample of 35 town residents. He constructed the following confidence interval: tinterval for μ: with 99.00% Confidence: 188 < μ(Cholesterol) < 206 What is the margin of error? A) 18 B) 9 C)
asked by Katelyn 
spanish
how to write 530.000 in Spanish
asked by Anonymous 
math
Juan has measured the location of his bookcase and realized that he could only fit a bookcase with shelves that are 1 3/4 feet wide. what is the maximum number of shelves Juan could build for a new bookcase using 18 ft of lumber.
asked by Emilee 
English
Can someone please check my answers? *Cross out any prepositional phrase. Underline the subject once and the verb/verb phrase twice. Write Adv. above adverbs. Put infinitives in parenthesis. Not doesn't need to be listed as an adverb. 1.Without hesitation,
asked by Jane 
Math
Triangle ABC has coordinates A(1,4); B(3, 2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the xaxis.
asked by Wendy 
Medical transcription
I am to figure out the wrong words without hearing any audio. I don't think the "word" is correct in this sentence but I don't know what to replace it with either. PROCEDURE: Excision of 0.5 cm penile words and circumcision.
asked by Connie 
science
A positive test charge of 6.00 µC is placed in an electric field, which exerts a force of 5.00 x 104 N on the test charge. What is the magnitude of the electric field strength at the location of the test charge? (remember E = Fon q' / q', and 1 µC =
asked by Anonymous 
biology
an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away
asked by hannah 
English
1. Reading this poem, I can picture the speaker, who has so much to say. 2. When I read this poem, I can picture the speaker,and he has so much to say. 3. While I read this poem, I can picture the speaker,and he has so much to say. (Does #1 mean #2 or #3?
asked by rfvv 
Math
The cost of renting a car for one day is $32 plus $.08 per mile. How much would it cost to rent a car for one day if the number of miles driven is 250?
asked by Evy 
Health (Ms. Sue)
1. State the reason why some drugs are considered drugs of abuse. A: Some drugs are considered drugs of abuse because these drugs, which possess mindaltering effects that have no medical purposes, can lead to changes in structure and function of the brain
asked by Anonymous 
physics
) A cord has two sections with linear densities of and Fig. 15–34. An incident wave, given by where x is in meters and in seconds, travels along the lighter cord. (a) What is the wavelength on the lighter section of the cord? (b) What is the tension in
asked by emy 
Algebra
1) Mio can build a large shed in 15 days less than Yuuko can. If they build it together, it would take them 18 days. How long would it take each of them working alone? M: Y: 2) A sink can be filled by a pipe in 6 minutes but it takes 12 minutes to drain a
asked by Vice 
chemistry
2 questions, I'm Having trouble figuring out how to calculate the moles of a solute in a solution based on the molarity and the volume. Here is what I'm working with. 1) "Use molarity of the stock solution of aspirin/Fe(No3)3(aq) (0.0044mol) and the total
asked by Courtney 
math
Laundry detergent $7.99 T Flower bouquet $3.99 T, A grocery store receipt shows 5% state tax due on laundry detergent and a flower bouquet. Does it matter whether the tax is calculated on each separate item or the total cost? Explain.
asked by jade 
Health (Ms. Sue)
1. Describe how drugs can change the way the brain works. A: Some drugs can change the way neurons within the brain communicate with each other. These drugs act like neurotransmitters, block neurotransmitters, or change the amount of a neurotransmitter in
asked by Anonymous 
physics
) A uniform ladder of mass m and length leans at an angle against a frictionless wall. If the coefficient of static friction between the ladder and the ground is determine a formula for the minimum angle at which the ladder will not slip.
asked by emy 
Calculus  #2
Suppose g(x)={x^2+2x+1/x+1 if x
asked by Samantha 
math
Three groups of students are sharing leftover pizza (all the same size originally). In which group does each student get the most pizza? Explain your choice. A. Six students equally share 3/4 of a pizza B. Three students equally share 1/3 of a pizza C.
asked by anonymous 
Math
The first modern electronic computer, called ENIAC, was introduced in 1946. Personal home computers were not available until 28 years later. In what year were personal home computers introduced.
asked by Kk 
Social studies
Which of the following be explains why a species of lizards is able to live in the desert but not in a tundra regions?
asked by Kayla 
Chemistry
The combustion of propane (C3H8) in your BBQ occurs by the following unbalanced reaction: C3H8(g) + O2(g) CO2(g) + H2O(g) If 34.0 mL of CO2(g) is collected, what volume of H2O(g) also could be collected under the same conditions?
asked by Anonymous 
CalculusAproximate Areas
A ball is thrown upward at time t = 9 seconds on planet Ubuntu, and its acceleration from time t=9 seconds to t=21 seconds is given by the function . a(t) = (3) / (t  8) m/s^2 Use 4 time intervals of equal length to overestimate, and then underestimate,
asked by Sara 
English
Charollets Web How did Wilbur respond to the lamb saying "Pigs mean less than nothing to me"
asked by Raquel 
Calculus
Evaluate the surface integral. the double integral of (x^2 + y^2 + z^2)dS over Region S. S is the part of the cylinder that lies between the planes z = 0 and z = 5, together with its top and bottom disks Can anyone help?
asked by Q 
Health (Ms. Sue)
1. List the important things to consider when choosing OTC medicine. A: The important matters to consider when choosing an OTC medicine are whether you want generic or a brandname medicine, what type of OTC medicine will be most effective for you, and
asked by Anonymous 
physics
In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocity of +4.4 m/s, grabs him. The tackler holds onto the receiver, and the two move off together with a velocity of +2.9 m/s. The
asked by bam 
Calculus
Suppose that f(x)=ln(3+x^2). Use interval notation to state when f(x) is concave up and concave down. Then find all inflection points for f(x).
asked by Sckricks 
Chemistry #13
When a metal was exposed to light at a frequency of 4.26× 1015 s–1, electrons were emitted with a kinetic energy of 4.50× 10–19 J. What is the maximum number of electrons that could be ejected from this metal by a burst of light (at some other
asked by Chelsea 
Jr Applied Math (Algebra II)
A landscaping company placed two orders with a nursery. The first order was for 13 bushes and 4 trees, and totaled $487.00. The second was for 6 bushes and 2 trees, and totaled $232.00. The bills do not list the peritem price. What were the costs of one
asked by Tash 
Ratio
Complete to express each ratio in simplest form. How do I do 18 feet: 5yards =_____feet :______ feet= ______: _______
asked by Emani J 
Quantitative Analysis
The circumstance where the Null Hypotheses is rejected when it is actually true is known as...? A. Type I Error B. Mundane realism C. Experimental incongruence D. Type II Error
asked by Stacie 
science
1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy
asked by hannah 
biology
Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario? A. It would increase the solubility of substance X into the solvent needed to speed up the reaction. B. It would speed up the reaction by
asked by hannah 
Health (Ms. Sue)
Describe three problems that can occur when taking a medicine. A: Three problems that can occur when taking a medicine are allergic reactions, such as itching, swelling, wheezing or difficulty in breathing, a pounding heart, or fainting and
asked by Anonymous 
math
colored beads are placed in the following order 1 red,1 green;then 2 red,2 green;then 3 red, 3 green; and so on In all,how many of the first 100 beads are red?
asked by udaya 
MathTrigonometry
Show that if A, B, and C are the angles of an acute triangle, then tan A + tan B + tan C = tan A tan B tan C. I tried drawing perpendiculars and stuff but it doesn't seem to work? For me, the trig identities don't seem to plug in as well. Help is
asked by Sam 
Geometry
Find, to the nearest tenth of a centimeter, the length of a diagonal of a square if the measure of one side is 8.0 centimeters.
asked by Angel 
Calculus  #1
Suppose g(x)={1/x+1 if x
asked by Samantha 
AP Chemistry
At 298K and 1 atm, a 0.5 mol sample of O2 and a separate 0.75 mol sample of CO2 gas have the same: A. mass B. density C. average molecular speed D. average molecular kinetic energy E. number of atoms Please explain, and thanks for helping!
asked by Elizabeth 
Calculus  #3
Suppose g(x)={1/(x2) if x
asked by Samantha 
statistic
Let x be a random variable that represents the length of time it takes a student to complete a takehome exam in Dr. Larson’s psychology class. After interviewing many students, it was found that x has an approximately normal distribution with mean =5.2
asked by Anonymous 
anatomy
________ can reveal the race of an individual. a. hair b. eyes c. digestive organ d. clothing I think it is c or b
asked by Gran 
biology
Enzymes in the human body work in a very wide range of conditions. A. True B. False
asked by hannah 
math
Sam, Trish, and Shanti are making signs for the spring dance. Sam can make a sign in 3/4 of an hour, Trish can make a sign in 2/3 of an hour, and Shanti can make a sign in 3/5 of an hour. a. How many complete signs can each person make in 4 hours?
asked by anonymous 
PHYSICS
A physical pendulum consists of a disc of radius R and mass m fixed at the end of a rod of mass m and length l . (a) Find the period of the pendulum for small angles of oscillation. Express your answer in terms of m, R, l and acceleration due to gravity g
asked by Anonymous 
chem111
If a balloon holds 2000L of Helium at sea level, at 1 atm and 25 degress Celsius, what will its volume be if it is allowed to rise to a height og 8 miles, where the pressure is 0.30 atm and the temperature is 70 degress Celsius.
asked by merc 
Career (Ms.Sue)
I want to be a lawyer do I have to do a master degree? what qualifications do I need? what subjects a suitable for college?
asked by Anonymous 
science
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its
asked by Jenna 
Health (Ms. Sue)
1. Differentiate drug tolerance from physical dependence. A: Drug tolerance is a condition in which a user need more of a drug to feel the same effect felt when first using the drug, whereas physical dependence is a states in which the body relies upon a
asked by Anonymous 
GEOMETRY
Here are the figures. file:///C:/Users/ALIZAJOY/Pictures/Untitled.png Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle
asked by Barbie Lee 
Calculus  #4
Suppose g(x)={1/(x2) if x
asked by Samantha 
calculus HELP!
A person stands on a bridge that is 100 feet above a river. If she drops a pebble how fast is it moving after 2 seconds? How long does it take the pebble to reach the river below? She has another pebble that she tosses up with initial speed of 8 feet per
asked by Danielle 
history
how did George washington successfully lead a new nation? how did john adams successfully lead a new nation? thank you!
asked by megan 
Chemistry
A sample of carbon dioxide has a volume of 22.0 L at 5.80 x 102 mm Hg. What pressure, in torr, would be needed to increase the volume to 48.6 L at constant temperature?
asked by Anonymous 
Calculus
Suppose that f(x)=3x^3+3x. Find all critical values of f. Then use interval notation to state when f(x) is increasing and when f(x) is decreasing and to state when f(x) is concave up and concave down. Find the local maxima and local minima. Find all
asked by Skirby 
Spanish
A. mi B. mis C. tu, tus D. su E. nuestro, nuestra F. nuestros, nuestas G. sus 1. Our (plural) 2.(singular) his, her, your(formal),their 3. Our (singular) 4. My (singular) 5. My (plural) 6. (plural) his, her, your (formal), their 7. Your (familiar) A.
asked by ShadyyKatie 
English
1. Walking on the street, I found a stray dog. 2. While I was walking on the street, I found a stray dog. 3. When I was walking on the street, I found a stray dog. 4. While I walked on the street, I found a stray dog. 5. When I walked on the street, I
asked by rfvv 
English
1. He must have been rich. 2. I am sure he was rich. 3. I am sure that he was rich. 4. It is certain he was rich. 5. It is certain that he was rich. 6. Certainly he was rich. 7. Surely he was rich. (Are they all the same? Do we have to use 'that' or not?)
asked by rfvv 
physics
a heat engine operates between 403 K and 1263 K at 67% of Carnot efficiency. How much work can it produce from 5900J of input heat?
asked by Sara 
chemistry
A solution of iron(III) thiocyanate was produced by dissolving 7.98 milligrams solid iron(III) thiocyanate in enough water to produce a 100.00 mL solution. What is the concentration, in molarity, of the solution?
asked by Anonymous 
emu
a bullet of mass ..21kg is fired from a gun of a mass 5.6kg. if gun is recoiled at a speed of 2.5 m/s .What speed must the bullet have as it leaves the gun
asked by Aisha 
geometry ratio
5. find the ratio between the area of a square inscribed in a circle and an equilateral circumscribed about the same circle.
asked by Barbie Lee 
vocabulary
relevant: bearing upon or connected with the matter in hand; pertinent: A. connotative B. denotative
asked by sassy 
Statistics
When consumers apply for credit, their credit is rated using the FICO score. A bank manager used a random sample of the credit scores of 18 customers and determined the following 95% confidence interval: (613.6, 708.0) If the sample used 45 customers
asked by Katelyn 
basic rigging trade terms quiz
an eyeabolt is a piece of rigging hardware wiht a  which means it has a series of spiral grooves cut into it.
asked by david 
KUAI HELP!
4/75, 2r/25, r/125 1/x, 2/xy, x/y 1/a, 1/b write fractions as equivalent fractions with the least common denominator
asked by rian 
math calculus
A person stands on a bridge that is 100 feet above a river. If she drops a pebble how fast is it moving after 2 seconds? How long does it take the pebble to reach the river below? She has another pebble that she tosses up with initial speed of 8 feet per
asked by Kimmie 
biology
Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to _____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore
asked by hannah 
maths
Alan is using matchsticks to make isosceles triangles. Isosceles triangles have at least two sides the same length.How many different single isosceles triangles can he make with 45 matchsticks, using all the matchsticks each time? The answer is 11, but I
asked by LARA 
math
find general solution of y¡±y¡¯=squre of sinx by variation parameter
asked by amar 
chemistry
A sample of carbon dioxide has a volume of 22.0 L at 5.80 x 102 mm Hg. What pressure, in torr, would be needed to increase the volume to 48.6 L at constant temperature?
asked by Anonymous 
Internet
What does it mean when a question says, "Has the article been peer reviewed?"
asked by Tiffany 
physics
How much work does a student do if he throws a 0.750 kg ball with force of 45.0 N through a distance of 1.50 m?
asked by naya 
Math  Trigonometry
Let f(x) be a polynomial such that f(cos theta) = cos(4 theta) for all \theta. Find f(x). (This is essentially the same as finding cos(4 theta) in terms of cos theta; we structure the problem this way so that you can answer as a polynomial. Be sure to
asked by Sam 
Chemistry
Calculate the number of moles in 50 kg of ammonium sulfate (NH4)2 SO4 (with the steps please)
asked by Anonymous 
science
on the windward side of the mountain, should the relative humidity of the parcel change as it rises from 3000 feet to 6000 feet? Why?
asked by jim 
algebra
end of season sale for summer clothes advertises 30% to 45% off the original price. What was the highest original price of a swimsuit that is now on sale for $12.99? What was the lowest original price?
asked by ava 
Calculus  #6
If the following function is continuous, then what is the value of b? g(f)={2t^2+2t24 if f≠3 {b if f=3 0 3 7 14 None of these If the following function is continuous, then what is the value of a? h(f)={2t+b if f(pi/2) 0 1 2 4
asked by Samantha 
math
Ramesh has 150 shares of par value 10 each of a company which pays annual dividend of 15% at such a price that he receives 10% on his investment.what is the market value of share
asked by ajaykumar 
math
y don't they allow scissors in the school cafeteria?
asked by jada 
basic rigging trade terms quiz
if the  is showing, the sling is not safe for use.
asked by david 
english
two things to keep in mind when you are deciding whether to use formal or informal english are the
asked by Anonymous 
Biology
What polymers are found commonly in cells? Additionally, what monomers make up those polymers?
asked by rinchan 
Maths algebra 1
Janella has only quarters dimes and pennies in her pocket there are eight coins in all and their total value is 83 cents how many of each type of coins does janella have?
asked by Raman 
Law (Ms.Sue)
Rights and Responsibilities: Find the key term that fits with it's definition: 1)A set of rights people have. They include freedom of speech and assembly AI think it's social rights. 2)An international agreement drawn up after WWII A I think it's UDHR
asked by Anonymous 
calculus
A ladder of 85 m length is resting against a wall. If it slips 7 m down the wall, then how far is the bottom from the wall if it was initially 40 m away from it.
asked by Anonymous 
chem111
what is the mass of 40.0Lof NH3 at 1.50atm and 45 degress Celsius
asked by merc 
Accounting 2 goes with the 1st question
Split common stock 4 to 1 and reduced PAR from $80 to $20. After the split there were 600,000 shares.
asked by Jeannie 
Help! Calculus
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its
asked by Kimmie 
geography
What are some reasons why society, especially in the U.S., has been more and more accepting of the view of global warming? Please post to these questions by the end of Week 3.
asked by john 
calculus HELP!
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its
asked by Kimmie 
English/Spelling
Here is a list of words. 1. moral, 1. morality 2. mental, 2. mentality 3. individual, 3. individuality 4. general, 4. generality 5. eventual, 5. eventuality 6. personal, 6. personality 7. musical, 7. musicality 8. neutral, 8. neutrality 9. original, 9.
asked by Hibbah Ahmed 
math
So I need to solve this differential equation dy/dx = 1/(x+2) so i solved it like this dy = 1/(x+2)dx then i took the integral of both sides y= ⌠1/(x+2)dx ⌡ then performed a u sub u = x+2 du = 1dx y = ⌠du/u ⌡ y = ln abs(u)+c y = ln abs(x+2)+c but
asked by Jen 
Chemistry
A hot air balloon has a volume of 3.𝑔80 x 105 L at 42 °C and a pressure of 754 mm Hg. If the average molar mass of air is 29.0 𝑚𝑜𝑙, what is the mass of air, in grams, in the balloon?
asked by Anonymous 
science
humans have the ability to effectively swallow upside down, what makes this possible? explain clearly plz!!!
asked by anonymous 
Math
A sink can be filled by a pipe in 6 minutes but it takes 12 minutes to drain a full sink. If both the pipe and the drain are open, how long will it take to fill the sink?
asked by Wendy 
math
What is the vertex of y=[2x]?
asked by Amanda 
math
how do i find the percentage of a number
asked by portia 
Calculus I
A zombie steps off a 35foot wall by mistake, landing in the river below. How long will it take the zombie to fall?
asked by Sam 
science help pleaseeeeeeeeeeeeeeeee?
I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of
asked by john help me with this question plz 
Chemistry
Calculate the mass in grams of 0.0086 mol of xenon (show the steps please)
asked by Anonymous 
science help
The two tables below give the relativerisk of developing a stroke, in relation to blood pressure and body mass index. The data are based on a population of men from the USA. The values in the first table are given in comparison with the total population.
asked by sam ???????????????????? 
CHEM LAB
Calculate the Molar Enthalpy of Neutralization in kJ/mol of the reaction between a monoprotic acid and a monoprotic base, given the following information: *Make sure you report your answer using the correct sign* The temperature change equals 9.80 degrees
asked by BRANDIE 
chemistry volume problem
Can someone please explain to me how to do this?! I am completely lost. Calculate the volume indicated for each of the following: liters of a 2.00M KCl solution to obtain 0.600mol of KCl.
asked by chelsea 
Psychology
What are examples of operational defintions in a experimental Psychology research journal. For instance, would the Oxford Happiness Questionnaire (OHQ)be an example of an operational definition in a psychology experiment? If yes, how come?
asked by Lauren 
mathfractions
last season a little league baseball team traveled a total of 133 miles. For their first game they traveled 16 2/3 miles; second game 2 1/6; third game 25 4/9; and their fourth game 32 1/3. How many miles did they travel for their final fifth away game?
asked by Anonymous 
Math
Find the points of intersection of the parabolas y=1/2x^2 and y=11/2x^2. Show that at each of these points the tangent lines to the two parabolas are similar Answer (+1,1/2) Please show and explain all steps thank yo
asked by Jason 
Math
How do you factor 12v^225v7?
asked by Natalie 
math for the office professional
convert 628 kilometers to miles.round off your answer to two decimal places A.1,010.65 B.1,010.64 C. 390.24 D.390.23 m y answer is c I know d is wrong .can someone please help
asked by susue 
Health (Ms. Sue)
Name the two sources of all medicines and drugs. A: Laboratories and drug companies are the two sources of all medicine and drugs?
asked by Anonymous 
chemistry
What is the molarity of a solution containing 18.0g of KCl in 262mL of KCl solution?
asked by millie 
honor math
2 1/2 divided by 5/6
asked by rian 
spanish
275.000.000
asked by Anonymous 
math
two plus eleven & one plus twelve" what do these 2 have in common
asked by Anonymous 
A Peculiar Question
If I graduated from high school in two years, will I stand out to different colleges?
asked by Anonymous 
algebra
4(5n7)=10n+2
asked by Kate 
math
Andrea and her grandmother paid$32 to go to the museum. An adultticket was 3 times the cost of a child’sticket. How much was an adult ticket?
asked by gautam 
Psychology
Which of the following variables are independent and dependent? 1. Personality and Gender 2. Happiness 3. Scores
asked by Jessica 
English
Is this sentence written properly? "Think about it," Link began, "Didn't you realize how much trash there was as the water came?"
asked by Anonymous 
Chemistry AS
CALCULTE
asked by Lily 
multivariable calculus
Studying for a test, and saw this: Find the center of mass of the hemisphere x^2 + y^2 + z^2 = a^2; z>=0 if it has constant density. Any ideas?
asked by Q 
Accounting 2
Declared semiannual dividends of $1.20 on 75,000 shares of preferred stock and $0.08 on the 600,000 shares of $20 par common stock to stockholders of record on March 31, payable on April 30.
asked by Jeannie 
Maths
what does:  and  make + and + make + and  make  and + make I get very confused with questions that have different signs
asked by Anonymous 
grammar
To complete her Week 3 Discussion Sharon isolated herself from her family, which finally made them realize she needed to concentrate.
asked by tee 
geometry
the lateral area of two similar solids are 16pie cmsquared and 9pie cmsquared. The volume of the larger solid is 128pie cm cubed. find the volume of the smaller solid please explain
asked by why 
math
What's the opposite reciprocal of 1?
asked by kate 
grammar
is this sentence correct..... To complete her Week 3 Discussion, Sharon isolated herself from her family, which finally made them realize she needed to concentrate.
asked by tee 
Earth Space
If the temperature is rising, will condensation take place? (Or does it only take place when its cool?)
asked by Bryce 
science help!!!
considering that lung transplants are almost always unsuccessful what might you suggest as a treatment for someone who is suffering from emphysema?
asked by smile003 
MATH
Find the y intercept of the graph of each function. y=3x+3
asked by Rachel 
math
what multiple does 27,8, and 6 all have in common
asked by rian 
biology
Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above
asked by hannah 
physics
2 The instrument used for experimental determination of the value of the universal gravitational constant G is called Galilio’s telescope ballistic pendulum Newton’s balance Cavendish
asked by chykins 
Math/Science
Explain how you could determine, give the following 3 pieces of information, (you need all 3 together not each one individually) the radius of the Earth. 1)Jakarta and Port Moresby, the capital of pau New Guinea, are two cities on the equator. 2) A plane
asked by Elisabeth 
MATH2
what multiple does 27,8, and 6 all have in common
asked by rian 
Math Ms. Sue please help!!!
Okay I am really stuck on this question Tip: ^ = exponent Example: 6x10^7 7 is exponent Question: Venus is the second planet from the sun. Earth is the third planet from the sun. The distance from Venus to the sun is 6.72x10^7 and the distance from Earth
asked by Angelina 
internet
What does, "How is the coverage on the subject?" mean?
asked by Tiffany 
algebra
what is the polynomial z2 (a+b)+ z3(a+b) distibuted. the number by the variable is an exponent
asked by Quan 
CHEM LAB
Calculate the Molar Enthalpy of Neutralization in kJ/mol of the reaction between a monoprotic acid and a monoprotic base, given the following information: *Make sure you report your answer using the correct sign* The temperature change equals 9.80 degrees
asked by BRANDIE 
math
The temperature on one day in January for Phoenix, AZ, is 52 degrees Fahrenheit. On the same day in Barrow, AK, the temperature is 23 degrees Fahrenheit. What is the difference between these two temperatures?
asked by sarah 
Grd 12 Math
Can someone please help me work out how to get to the answer of: tanx + tan (pix) + cot (pi/2+x) = tan (2pix)
asked by Jess 
Science
I need some chemical properties for the element Arsenic
asked by Anonymous 
Social Science
Reading this article, Happiness is a thing called stable extraversion: a further examination of the relationship between the Oxford Happiness Inventory and Eysenck's dimensional model of personality and gender Determine what the independent and dependent
asked by JIskha 
Science
I need some chemical properties for the element Arsenic
asked by Anonymous 
biology
if there is no oxygen for the glycolysis what process would that be called?
asked by bill 
math
what is 6*7=42 as an array
asked by hwyyyyyy 
Calculus  #5
If h(x) is equal to (x^24)/(x+2)when x ≠ –2, and h(x) is continuous for all real numbers, then what is the value of h(–2)? 0 –2 –4 2 This is impossible. There is an infinite discontinuity at x = –2.
asked by Samantha 
math
Lisa and her father stand next to each other on a sunny day. Lisa is 130 centimeters tall and her father is 200 centimeters tall. Lisa's shadow is 100 centimeters. How long is lisa's father's shadow to the nearest centimeter?
asked by ava 
math
Sum of following series 4.1+5.2+6.3+7.4+....52.49
asked by ajaykumar 
Chemistry LAB 1
What is the Molar Enthalpy of Neutralization in kJ/mol if 5.00 moles of HCl(aq) (acid) neutralized 5.00 moles of NaOH(aq) (base) and released 6649J of heat? *Make sure you report your answer using the correct sign* DrBob222 gave me some help and I worked
asked by BRANDIE 
Chemistry LAB 2
Calculate the Molar Enthalpy of Neutralization in kJ/mol of the reaction between a monoprotic acid and a monoprotic base, given the following information: *Make sure you report your answer using the correct sign* The temperature change equals 9.80 degrees
asked by BRANDIE 
A Peculiar Question
Must I doublespaced when I am merely typing answers to questions found, or located, in my textbook? Also, must I replicate a particular format?
asked by Anonymous 
Math
Hat are the possible solutions for the following problem? x + 3 < 5
asked by Kelley 
science
The units for expressing electric field strength include:
asked by Anonymous 
science
What is the difference between gravitational force and the electric field?
asked by Anonymous 
Gen chem 2
calculate the work performed if a balloon contracts from11.75 L to 806 mL due to an external pressure of 3.9 atm.
asked by Stacey 
area fraction
a nerds box is 3x/10 width and 3 1/2 cm in length. simplify the area
asked by Anonymous