Questions Asked on
October 19, 2013

chem
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 384 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
asked by Anonymous 
Chemistry
A mixture of C3H8 and C2H2 has a mass of 2.3g . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.6 times as many moles of CO2 as of water. What is the mass of C2H2 in the original mixture?
asked by Matt 
Chemistry
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure Y:X:Y could be abbreviated as XY2Z2. Classify these structures according to their shape.
asked by Laura 
Algebra
Triangle ABC has coordinates A(1,4) B (3, 2)C ( 4, 2). Find the coordinates of the image ABC prime after a reflection over the X  axis.
asked by Steve 
Ancient History
1) Along what waterway did Abraham begin his migration away from his native city? 2)how did Canaan's location make it a true crossroad of the eastern Mediterranean?
asked by Anonymous 
Math  Limits/Derivatives
Suppose that for a company manufacturing calculators, the cost, revenue, and profit equations are given by C = 70,000 + 20x R = 300x  (x^2 / 20) P = R  C where production output in 1 week is x calculators. If production is increasing at a rate of 600
asked by Jess 
chemistry
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure Y:X:Y could be abbreviated as XY2Z2. Classify these structures according to their shape.
asked by Laura 
chemistry
4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) If a container were to have 16 molecules of NH3 and 16 molecules of O2 initially, how many total molecules (reactants plus products) would be present in the container after this reaction goes to completion? (Use
asked by Anonymous 
Geometry
Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with
asked by Jayden 
Calculus
A cable hangs between two poles of equal height and 40 feet apart. At a point on the ground directly under the cable and x feet from the point on the ground halfway between the poles the height of the cable in feet is h(x)=10+(0.4)(x^1.5). The cable weighs
asked by Robin 
Physics
To win the game, a place kicker must kick a football from a point 40 m (43.744 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23 m/s at an angle of 30.9◦ from the
asked by Sarah 
Chemitry
the average adult human male has a total blood volume of 5.0 L. if the concentration of sodium ion in this average individual is 0.135 M, what is the mass of sodium ion circulating in the blood
asked by Anbu 
PLEASE HELP!!! math
How many ways are there to put 4 balls in 3 boxes if the balls are distinguishable but the boxes are not? How many ways are there to put 4 balls in 3 boxes if two balls are indistinguishably white, two are indistinguishably black, and the boxes are
asked by Epic 
microekonomics
Suppose the income elasticity of demand for a food is 0,5 and the price elasticity of demand is 1,0. Suppose also that Felicia spends $10,000 a year on food, the price of food os $2 and her income is $25,000
asked by suhaimi hishan 
chemistry
5.34g of salt of formula M2SO4 (M is a metal)were dissolved in water. The sulfate ion was precipitated by adding excess barium chloride solution when 4.66g of barium sulfate (BaSO4) were obtained. a)How many moles of sulfate ion were precipitated as barium
asked by Ben 
physics
a plane flies due north at 225km/h. a wind blows it due east at 55km/h. what is the magnitude and direction of the plane's resultant velocity?
asked by Ashley 
english
Identify the capitalized part of the sentence. The main event WILL be a memory contest. subject, predicate, direct object, indirect object, predicate noun, predicate adjective,
asked by Michael 
Statistics
A coding supervisor must determine the number of fulltime equivalents (FTEs) needed to code 500 discharges per week. If it takes an average of 20 minutes to code each record and each coder works 7.5 productive hours per day, how many FETs will the coding
asked by Anonymous 
chemistry
Three solutions are mixed together to form a single solution. One contains 0.2 mol \rm mol Pb(CH 3 COO) 2 \rm Pb(CH_3COO)_2, the second contains 0.1 mol \rm mol Na 2 S \rm Na_2S, and the third contains 0.1 mol \rm mol CaCl 2 \rm CaCl_2. Write the
asked by cc 
probability
Rosencrantz and Guildenstern In the opening scene of Tom Stoppard's play Rosencrantz and Guildenstern Are Dead, about two Elizabethan contemporaries of Hamlet, Guildenstern flips a coin 91 times and gets a head each time. Suppose the coin was balanced. a.
asked by vv 
PHYSICS
An airfilled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is
asked by rabio 
Physics
To win the game, a place kicker must kick a football from a point 40 m (43.744 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23 m/s at an angle of 30.9 ◦ from the
asked by Sarah 
chemistry
if 2.0 grams of sodium sulfate are mixed with 2.0 grams of calcium chloride to produce calcium sulfate as a precipitate, which compound is the limiting reactant
asked by Anonymous 
Chemistry
The thermochemical equation for the combustion of hexane is shown below. 2 C6H14 (g) + 19 O2 (g) → 12 CO2 (g) + 14 H2O (g) ΔH° = –8326 kJ What is the enthalpy change for the combustion of 0.650 L C6H14 at STP?
asked by Hunter 
Statistics
Last month, the release of information specialist received 232 requests for information. He was able to answer 176 within the specified time frame of three working days. What is the rate of compliance in answering requests within the specified time frame?
asked by Anonymous 
Math
How many different sequences of ten flips of a coin have at least 8 heads?
asked by Epic 
physics
A cardiologist uses an ultrasound scanner with an operating frequency of 3.5 MHz that can detect Doppler frequency shifts as small as 0.1 kHz. What is the smallest flow velocity detectable with this device? Two frequencies are given so I know I have to
asked by Sarah 
statistics
After one month of operation the health information services at community health center determined that there were two reords misfiled out of the 450 active records. What is the filing accuracy rate for this area?
asked by Anonymous 
english
I have one more: Identify the capitalized part of the sentence. As well as being a competent secretary, Marilyn has become the informal staff COUNSELOR.
asked by Michael 
ChemistryStoichiometry
what is the limiting reactant if 0.10 moles Fe and 0.16 moles O2 react according to the reaction 4Fe +3O2 > 2Fe2O3?
asked by Barbara 
physics
a plane flies due north at 225km/h. a wind blows it due east at 55km/h. what is the magnitude and direction of the plane's resultant velocity?
asked by Ashley 
Physics
A fivesided object, whose dimensions are shown in the figure, is placed in a uniform magnetic field. The magnetic field has a magnitude of 0.72 T and points along the positive y direction. Determine the magnetic flux through each of the five sides.
asked by Sarah 
chemistry thermodynamics
a sample of methane gas of mass 25g at 250k and 18.8atm expands isothermally until its pressure is 2.5atm. calculate the change in entropy.
asked by sam 
Physics
One end of a cord is fixed and a small 0.270kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.50 m, as shown in the figure below. When θ = 18.0°, the speed of the object is 6.80 m/s. (a) At this
asked by <3 
Math
Corey needs 24 boards that are 47 1/2 inches long. How many feet of boards should he buy? Explain. If you can only buy 8 foot boards, how many should he buy? Explain.
asked by Person 
Help
Jane claimed that a number is divisible by 4 if each of the last two digits is divisible by 4. Is this claim accurate? If not, how would you suggest that Jane change it to make it accurate?
asked by Trudy 
Physics
A particle of mass m = 27 g slides inside a bowl whose cross section has circular arcs at each side and a flat horizontal central portion between points a and b of length 30 cm (Fig. 723). The curved sides of the bowl are frictionless, and for the flat
asked by Lilian 
Statistics
The health information managemnet supervisor agrees to pay a new graduate $13.50 per hour. This is a fulltime coding position at 2,080 hours per year. The cost for a fulltime employee's fringe benefits is 24 percent of the employee's salary. How much
asked by Anonymous 
Statistics
The health information managemnet supervisor agrees to pay a new graduate $13.50 per hour. This is a fulltime coding position at 2,080 hours per year. The cost for a fulltime employee's fringe benefits is 24 percent of the employee's salary. How much
asked by Anonymous 
Math
the area of ABCDE is 18 sq. cm.; the area of a similar pentagon PQRST is 32 sq.cm. the diagonal AC is 6 cm.; find the length of PR.
asked by Yana 
ESL proof reading
States. We are living in a same society but some people tend to be healthy and some tend to be less healthy. Many factors contribute to health status of the population such as individual behaviors, physical environment, education, culture and social
asked by sham 
Civics
What was the purpose of english colonies, according to england? Please help.
asked by Kurt 
Statistics
An employee currently earning $13.85 per hour has been awarded a 3.5 percent merit raise. What will the employee's hourly salary be with this increase?
asked by Anonymous 
physics
. If the momentum of an object is tripled, its kinetic energy will change by what factor?
asked by fola 
Math  Limits/Derivatives
If a pricedemand equation is solved for p, then price is expressed as p = g(x) and x becomes the independent variable. In this case, it can be shown that the elasticity of demand is given by E(x) =  [g(x) / xg'(x)]. Use the given pricedemand equation to
asked by Jess 
physics
A 5000kg truck is being pulled up a 15 degree ramp by a cable which is parallel to the surface of the ramp. If the coefficient of friction u between the wheels of the truck and the ramp is 0.100 and the truck is being pulled at a constant velocity,
asked by chuck 
CHEMISTRY
A garden fertilizer contains 15% by mass of nitrogen. The recommended usage is 30g of fertilizer per 10dm^3 of water. What is the concentration of nitrogen in this solution? a)0.15 g dm^3 b)0.30 g dm^3 c)0.45 g dm^3 d)3.00 g dm^3
asked by Claudia 
Physics
A ﬁreman, 34.9 m away from a burning building, directs a stream jet of water from a ground level ﬁre hose at an angle of 44.2◦ above the horizontal. If the speed of the stream as it leaves the hose is 60.5 m/s, at what height will the stream of water
asked by Sarah 
Chemistry
A solution of NaOH(aq) contains 5.2 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
asked by Homework help 
Statistics
The health information management department at Community Hospital will experience a 15 percent increase in the number of discharges coded per day as the result of opening a cardiac clinic in the facility. The 15 percent increase is projected to be
asked by Anonymous 
Management
ignoring history hinder young hitech firms?
asked by Setta 
Chemistry
Explain using electronpushing arguments why glycolysis must go through G6P to F6P step (C1 aldehyde to C1 ketone). Focus on the subsequent aldolasecatalysed reaction and explain why glucose 1,6 bisphosphate would not be able to go through the aldolase
asked by Max 
Water Treatment
Minimum oxygen concentration should be 7.6 mg/l, concentration in raw water is 0 mg/l and you can assume a saturation concentration of 10 mg/l. Calculate the total efficiency of oxygen addition, the number of cascade steps and the total height of the
asked by Naifaru 
us history
anti federalist 7 letters
asked by mary 
Chemistry
Explain using electronpushing arguments why glycolysis must go through G6P to F6P step (C1 aldehyde to C1 ketone). Focus on the subsequent aldolasecatalysed reaction and explain why glucose 1,6 bisphosphate would not be able to go through the aldolase
asked by Max 
Statics
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their father or by
asked by Terri 
Civics
What actions were taken by the first continental congress and what actions were taken by the second continental congress in regards to colonial concerns? Please help!!!!!
asked by Anonymous 
math
Simplify the expression. 5(x − 1) − 3(x2 + 4x + 5) − 8(x + 7) Classify the answer by number of terms and degree. 1stdegree monomial 1stdegree binomial 1stdegree trinomial 2nddegree binomial 2nddegree trinomial
asked by lisa 
PHYSICS
A stone is thrown in a vertically upward direction with a velocity of 5 m s 1 . If the acceleration of the stone during its motion is 10 m s2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach
asked by Maihul 
organic chemistry
I need help understanding how to differentiate between isomers and resonance structures in skeletal structures. Specifically, here is an image to a problem with the answers: i.imgur. com /mz3URSa.jpg (remove spaces) The left most structure is the reference
asked by Bill 
physics
A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the
asked by PLS HELP ME 
Probability
Rosencrantz and Guildenstern In the opening scene of Tom Stoppard's play Rosencrantz and Guildenstern Are Dead, about two Elizabethan contemporaries of Hamlet, Guildenstern flips a coin 91 times and gets a head each time. Suppose the coin was balanced. a.
asked by vv 
physics
A satellite with mass 6.00*10^3 is in the equatorial plane in a circular orbit. The planet's mass = 6.59 *10^25 and a day of length is 1.6 earth days. How far from the center (in m) of the planet is the satellite? What is the escape velocity (km?sec) from
asked by Jets 
physics
A 710 gram block is released from a height h above an ideal spring of spring constant 400 N/m. The block sticks to the spring, and comes momentarily to rest after compressing the spring by an amount of 18.7 cm. DropOnSpring (a) What is the value of the
asked by Anonymous 
physics
A 5000kg truck is being pulled up a 15 degree ramp by a cable which is parallel to the surface of the ramp. If the coefficient of friction u between the wheels of the truck and the ramp is 0.100 and the truck is being pulled at a constant velocity,
asked by chuck 
A Curious Question
What do these instructions mean? "Draw a river across the land that empties into the bay. Draw at least two tributaries that feed into the river. Draw rivers that lead into both the lake in cell F3 and the swamp in E12."
asked by Anonymous 
physics
A flower pot with a mass of 3.8kg is hanging by 2 wires that make an angle of 48° from the horizontal. what is the tension in each wire
asked by shane 
Water Treatment
Based on the treatment scheme, what type(s) of raw water is / are being treated? Groundwater River water Riverbank filtrate Lake water Infiltrated river water please post answer
asked by Naifaru 
physics
Can anyone help me with the working out and answer to this one? Acetylene gas is leaking from a cylinder in the immediate vicinity of an insulated conveyor belt which has built up a charge of 30 uC (u= micro). If the conveyor belt has a capacitance of
asked by Damo 
physics
A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the
asked by Anonymous 
economics
Clearly explain the different market structure and how they determine the degree of competition among firms and how they maximise profits in the short run and long run Cite the source within the text and bibliography
asked by james 
math
3.5,3,v3,1,0,2/9,v5,15.3,18 my teacher said to write which ones are natural, rational, whole, integers, irrational, & real which i understand but i don't know what she means by v3 & v5?
asked by Anonymous 
biology
Stuck on this question. When infected by the Hepatitis B virus (HBV), many patients experience flulike symptoms such as fever, loss of appetite, nausea, vomiting, and malaise. This is called acute hepatitis. During this stage, what is the HBV doing? What
asked by vanessa 
physics
A flower pot with a mass of 3.8kg is hanging by 2 wires that make an angle of 48° from the horizontal. what is the tension in each wire?
asked by shane 
statistics
Community Health center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its health information management department get started. calculate the number of new shelving units needed for a medical
asked by Anonymous 
English
There are seven books. A series of eight movies based on the novels has been made by Warner Bros. They started making the movies in 2001. The first one was released on November 16th 2001. The second to the fifth were released respectively on 2002, 2004,
asked by rfvv 
Math
two regular polygons of the same number of sides have sides 5 ft. and 12 ft. in length, respectively. what is the length of the side of another regular polygon of the same number of sides, if its area is equal to the sum of the other two.
asked by collins 
Math
the altitude, AD, to the hypotenuse BC of right triangle ABC divides the hypotenuse into segments that are 8 and 10 cm long. find the length of the altitude.
asked by anae 
Probability
Serena Williams won the 2010 Wimbledon Ladies Singles Championship. For the seven matches she played in the tournament, her total number of first serves was 379, total number of good first serves was 256, and total number of double faults was 15. a. Find
asked by vv 
WaterTreatment
a) Which five quality parameters of the raw water may not meet drinking water standards? Bacterial colony count (less than 100 cfu/ml) Ammonium (less than 0.2 mg/l) Nitrite (less than 0.1 mg/l) Nitrate (less than 50 mg/l) Iron (less than 200 µg/l)
asked by youlifex 
Chemistry
A solution of NaOH(aq) contains 5.2 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
asked by Homework help 
PHYSICS(HELP)
A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the
asked by michael 
Trigonometry
n1/n divided by 1+1/n
asked by Cait 
Water  Math Question
This question is related to water footprint calculation. I have no idea how to go about this, if anyone could point me in the right direction, I'd be forever grateful! Background info: The water footprint of the resident of a Blue Sea riparian country (92
asked by Allison 
Statistics
It takes approximately 15 minutes to code one record. How many personnel hours would be needed to code 1,424 discharges for the month?
asked by Anonymous 
PHYSICS
A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the
asked by PLS HELP ME 
physics
A car has a maximum acceleration of 4.6m/s2 . What will the maximum acceleration be if the car is towing another car of the same mass?
asked by Anonymous 
Economics
Capital What are ten items you need to require for the production of stained glass windows when its product is finished? Please help!
asked by Samantha 
English
Hello. I will be very grateful for your help. 1)Do you think it's possible to say: "at the end of the 19th  the beginning of the 20th centuries (maybe,century?)" or do I have to use the word "century" twice? 2)Do you think the sentence sounds OK: "It is
asked by Ilma 
maths
by a reduction of 1kg in the price of sugar, mohan can buy one kg sugar more for Rs56 find the original price of sugar
asked by sasi 
Finance
You plan to saving 6,400 per year, beginning immediately. Making 4 deposits in an account that pays 5.7% interest. How much will there be in 4 years from today?
asked by Sharon 
Math (Algebra 1)
How do I solve this problem for x? a(3x + 1) + 4 = 30
asked by Jordan 
physics
I am having a bit of trouble with this one. A safety harness is connected to a cable with a report breaking stress of 800MNm2. What mass could be hung from a harness if the diameter of the cable was 6mm?
asked by samuel 
biology need help
3 factors the could produce bias in an experiment
asked by loli 
Sports
What website would enable me to know of what cities football teams are located in?
asked by Anonymous 
math
(4)((6+9)5^2)15 answer is 73 but i'm getting a complete different answer, im following pemdas but still don't get it?
asked by Anonymous 
college history
The evolution of the sociopolitical and cultural milieu that created the conditions necessitating and including the formation of the: (a) Declaration of Independence (b) the Constitution (including the Bill of Rights)
asked by Melody 
Math 112
A student claims that if a number is divisible by 6 and 4 then the number is divisible by 24. What is your response?
asked by Trudy 
math
7/x+5/3x=2/x5 so lcm=3x(x5) 21(x5)+5(x5)=5x 21x105+5x25=5x 26x130=5x 26x to both sides 130=21x divide each side by 21 130/21 x=6.19 is this correct thanks for checking my work.
asked by B8 
chemistry
why is the copper/sulfur mass ratio different from the mole ratio?
asked by Katie 
Chemistry
How many atoms of nitrogen are in the 25.0g of ammonia? Use the molar mass to two decimal places found on the periodic table in the front of your text?
asked by anonymous 
Ecology Intervention Project
identify a human impact and create a proposal to present to a target audience? so what are some human impacts
asked by Reina B. 
math
I am alittle confused but I did attempt the question. How did I do? Solve 1/3y+5/12=2/y first I brought the y over to the other side.Mult both sides by 3/1 getting 5/12=6y/y 5/12=5y now divide each side by 1/5 1/12=y I this correct? If not can you lead me
asked by B8 
english
D. She considers it part of her heritage. 14. What pronoun would be used for the narrator(s) of a story such as “A Rose for Emily,” which is written in the firstperson, plural point of view? A. I C. We B. You D. He 15. In the dramatic point of view,
asked by Alberta Contreras 
English
¡°This study shows that the brain has different functional states when asleep and when awake,¡± said Maiken Nedergaard, M.D., D.M.Sc., codirector of the University of Rochester Medical Center (URMC) Center for Translational Neuromedicine and lead
asked by rfvv 
Maths
The difference between the two roots of the quadratic equation x^2+ax+b=0 is 32 and the larger root is 3 times the smaller root. What is the value of a and b ?
asked by CHRIS 
Math
two people walk away from each other at an angle, one moving straight ahead at 6 ft per second, the other moving straight ahead at 4 ft per second. after 5 seconds, they are 24 ft apart. if they continue at the same angle and space, how far apart will they
asked by Riza 
Math
the sides of the triangle were given as m, (m^2/4  1), and (m^2/4 + 1), where m is an even number not equal to 2. prove that it is a right triangle.
asked by anae 
Math
Gray bought two plots of land for a total of 120000 on the first plot she made a profit of 15% on the second plot she lost 10% .her total profit 5500, how much did she pay for each piece of land? (Please show the whole procedure of this math with the rough
asked by Urgent !!! 
statics
This problem will introduce the learner into a technique called Analysis of Variance. For this course we will only conduct a simple OneWay ANOVA and touch briefly on the important elements of this technique. The OneWay ANOVA is an extension of the
asked by Terri 
French
The word is nusiditaco and I need it unscrambled
asked by Kim 
Math (Algebra 1)
Consider the ages of 5 brothers: 32, 26, 28, 30, 28. Determine which of the following are true if a new brother is adopted at age 10. A) The median will decrease B) The mean will decrease C) The range will increase D) The standard deviation will decrease
asked by Jordan 
math
Simplify the expression. (2x − 1)(x2 + 3x − 3)
asked by lisa 
Sports
In city are the Miami Dolphins located?
asked by Anonymous 
math
solve 3/2x3=5/2x5 3(2x5)=5(2x3) 6x15=10x15 minus 6x to both sides 15=4x15 add 15 to both sides 0=4x 0/4=4x/4 x=0 Is this correct?
asked by Elle 
ms. sue please answer my question
it supposed to be listed
asked by loli 
math
2(2x+6)=3(3x1) i did the work & got 3 is my answer right?
asked by Anonymous 
research
How do decision theory, probability theory, inference, and generalization relate to data analysis?
asked by Mary 
Quantum computers
PROBLEM 5 Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly y⟩. PROBLEM 5A (4 points possible) If we run for m+1 additional steps (i.e. total of 2m+1 steps from
asked by Manquillo 
A Curious Question
What would an area of the United Sates be considered as? Would it be either a state or a region?
asked by Anonymous 
MATH
JESSI bought two plots of land for a total of 120000 on the first plot she made a profit of 15%. on the second plot she lost 10% .her total profit was 5500, how much did she pay for each piece of land? ( please show the whole procedure of this math even
asked by NEED HELP NEED HELP !!!!! 
urgent heeeelp!
Divide: 39x^4 by underroot13 multiplied by x^2
asked by shrestha 
Math
one base of a trapezoid is 10 ft. long, the altitude is 4 ft., and the area is 32 sq. ft. find the length of a line parallel to and 1 ft. above the 10ft. base and included between the legs of the trapezoid.
asked by Diana 
question
does it matter the grades of freshmen year
asked by jim 
who dare to solve
Divide: 39x^4 by underroot13 multiplied by x^2 and please explain it.
asked by shrestha 
ms. sue
i replied to my previous question
asked by Reina B. 
Math (Algebra 1)
How do I combine the following like terms? 4+2(x+1)5(x1) I have the answer  117x  but I need to know how to show my work in this problem. Thanks.
asked by Jordan 
Geography Report (Ms. Sue)
I know you told me to not post a rough draft, but I am struggling to write my first paragraph. I do not know if this even relates to the first theme of geography, which is location. Ms. Sue, please, although I haven't even complete this paragraph yet,
asked by Anonymous 
Math
1/4 x>8 1/4 x>8 x2≤8 1≤ ((2+3x)/2)
asked by Chandork 
Math
Write a fraction that is equal to each of the given fractions and has a numerator of one 4/5 5/7 3.15/6.3 How do I do that?
asked by Jerald 
Sports
Does San Francisco have any foot ball or basketball teams?
asked by Anonymous 
PreCalculus
Determine the derivative at the point (2,−43) on the curve given by f(x)=7−7x−9x^2. I know that the answer is 43, but I was wondering if it was just a coincidence that the derivative at the point (2,−43) is 43, or is there a reason why 43 is the
asked by Ann 
math
(5+24) confused about the signs?
asked by Anonymous 
Grammar
This this grammatically correct? How much more did the United States buy than it sold in 1993? A: It bought $115 billion's worth more than it sold in 1993?
asked by Anonymous 
crime
where can I found information on adult siblings crimes against one another
asked by mike 
Biology/Chem
Soy sauce is prepared by fermenting a salted mixture of soybeans and wheat with several microorganisms including yeast over a period of 810 months. After the solids are removed, the resulting sauce is rich in lactic acid and ethanol. How aere these 2
asked by Drew 
BIO
Explain why routine blood measurement of glycated hemoglobin is used to determine whether a diabetic has good glucose control.
asked by Lindsay 
math
(x + 6y − 5z) − (x − 2y + 4z) Classify the answer by number of terms and degree. 1stdegree monomial 1stdegree binomial 1stdegree trinomial 2nddegree binomial 2nddegree trinomial
asked by lisa 
mean and standard deviation
Score Percent of Students 5 13.6 4 22.9 3 25.4 2 18.9 1 19.2 find the mean and standard deviation of the scores
asked by I liked math until stats