Questions Asked on
September 14, 2010

physics
The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub you toe in the dark, estimate the time it takes the nerve impulse to travel to your brain. (Assume that you are approximately 1.8 m tall and that the nerve impulse
asked by jer 
physics
A long, thin straight wire with linear charge density λ runs down the center of a thin, hollow metal cylinder of radius R. The cylinder has a net linear charge density 2λ. Assume λ is positive. Find expressions for the electric field at the following
asked by David D. 
Physics
A child is pushing a shopping cart at a speed of 1.5 m/s. How long will it take this child to push the cart down an aisle with a length of 9.3 m?
asked by Brianna 
calculus
Assume a substance has a halflife of 11 years and the initial amount is 144 grams. How much remains at the end of 5 years? How long will it be until only 30 % remains?
asked by nick 
spanish
Mari Bocazas is one of those people who often exaggerates. Whatever you do, she says she does it better, and whatever you have, she says she has more. What would Mari say if you were to tell her that you had each of the following? un(a) novio(a)
asked by Christopher 
finite math
Assume that the student has a cup with 15 writing implements: 8 pencils, 5 ball point pens, and 2 felttip pens.In how many ways can the selection be made if no more than one ball point pen is selected?
asked by carly 
molal
the freezing point of ethanol (C2H5OH) is 114.6C. the molal freezing point depression constant for ethanol is 2.00C/m. what is the freezing point (C) of a solution prepared by dissolving 50.0 g of glycerin (C3H8O3, A nonelectrolyte) in 200 g of ethanol.
asked by lisa 
AP Stats
The distribution of heights of adult American men is approximately normal with mean 69 inches and standard deviation 2.5 inches. Use the 689599.7 rule to answer the following questions: (d) A height of 71.5 inches corresponds to what percentile of adult
asked by Emily 
physics
A particle leaves the origin with an initial velocity v=(2.40 m/s)x hat and moves with a constant acceleration a=(1.90 m/s ^2)x hat+(3.20 m/s ^2)y hat. How far does the particle move in the x direction before turning around? Answer is 1.48 m. What is the
asked by Ka 
algebra 1b
Arianna kicks a soccer ball off the ground and in the air with an initial velocity of 42 feet per second. Approximately what maximum height does the soccer ball reach?
asked by james 
chemistry
WHAT TYPE OF CHEMICAL REACTION IS FORMED FROM Mg + O2MgO
asked by lOUISE 
economics
1. 1. Derived demand refers to a) demand curves derived from utility functions b) an individual demand curve estimated from a market demand curve c) a market demand curve estimated from individual demand curves d) demand for a resource derived from the
asked by shubh 
Pre Calc!
A drug is eliminated from the body through urine. Suppose that for a dose of 10 milligrams, the amount A(t) remaining in the body t hours later is given by A(t)=10(0.8)^t and that in order for the drug to be effective, at least 2 milligrams must be in the
asked by Hayli 
chemistry
[Cu(NH3)4]2+ + SO4(aq)2 + H2O [Cu(NH3)4]SO4•1H2O What is the theoretical yield of the products?
asked by Leila 
Physics
A child on a sled reaches the bottom of a hill with a velocity of 12.0 m/s and travels 22.0 m along a horizontal straightaway to a stop. If the child and sled together have a mass of 59.0 kg, what is the magnitude of the average retarding force on the sled
asked by Phil 
geography
Match the region to its description. 1. climate _defined by agreements between nations creating free trade zones 2. cultural _defined by average precipitation and temperature 3. economic _defined by factors including language, religion, or customs 4.
asked by Victoria 
lititure
what is the rising action in the story "The School Play' By: Gary Soto
asked by alma 
Physics
A hummingbird hovers motionless beside a flower. You can observe that the wings are moving rapidly up and down. If air pushes upward on the bird with a force of .30N whats the weight of the hummingbird?
asked by Gio 
chemistry
1. State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it?
asked by Rupali 
Chemistry
In which reaction does the oxidation number of oxygen increase? a. Ba(NO3)2+K2SO4>BASO4+2KNO3 b. HCL+ NaOH> NaCl+H20 c. Mg0+ H20> Mg(OH)2 d. 2SO2+02> 2SO3 e. 2H2O> 2H2+O2
asked by Hiba 
Chemistry
Calcium chloride has been used to melt ice from roadways. Given that the saturated solution is 32% calcium chloride by mass, estimate the freezing point. Express your answer in degrees Celsius. Assume that calcium chloride behaves ideally in solution.
asked by Frank 
Chemistry
In a mountainous location, the boiling point of pure water is found to be 95 degrees Celsius. How many grams of sodium chloride much be added to 1 kg of water to bring the boiling point back to 100 degrees Celsius? Assume that sodium chloride behaves
asked by Mike 
Physics
You are pulling a suitcase through the airport at a constant speed. The handle of the suitcase makes an angle of 45 degrees with respect to the horizontal direction. If you pull with a force of 7.5 N parallel to the handle, what is the force of friction
asked by Ashli 
chem
400.0g of a metal absorbs 10000.J of heat energy and its temperature rises from 20.0*C to 103.0*C. What is he specific heat of the metal
asked by san b 
chemistry
Analysis of a compound gave 39.50% C, 2.20% H, and 58.30% Cl. When 0.855 g of this solid was dissolved in 7.50 g of napthalene, the solution had a freezing point of 78.0° C. The pure solvent freezes at 80.0° C; its molal freezing point constant is 6.8°
asked by Chris 
Pre Calc!
A drug is eliminated from the body through urine. Suppose that for a dose of 10 milligrams, the amount A(t) remaining in the body t hours later is given by A(t)=10(0.8)^t and that in order for the drug to be effective, at least 2 milligrams must be in the
asked by Hayli 
physics
A certain car is capable of accelerating at a rate of +0.50 m/s2. How long does it take for this car to go from a speed of 45 mi/h to a speed of 85 mi/h?
asked by j 
English
Can you please help me infer about Mah and her past from what she says and does and from what the narrator says about her. This is relating to the excerpt from Bone.
asked by bindiya farswani 
math (trig)
from the top of a bridge over the burlington canal, maria looks down at a sailboat at an angle of depression 15 degrees.the bridge is 18m above the water. calculate the horizontal distance from the bridge to the sailboat
asked by haley 
Physics I
A person is attempting to swim directly across a river. They are able to swim at a speed of 0.500 m/s relative to the water. The river is 25.0 m wide and the person ends up 50.0 m downstream from their starting point. How fast is the current in the river?
asked by Dazed and Confused 
chemistry
how many moles of solute is present in 40.0mL of 1.000 M of HNO3
asked by Lauren 
Biochemistry
Sorry! HEPES, is a commonly used component of physiological buffers. The PKa of the protonated amino group of HEPES is 7.55 at 25C. Describe the preparation of 1.00L of 0.100M HEPES buffer, pH 8.00, from the sodium salt of the basic form of HEPES (MW
asked by Angel 
College Chemistry
Phosphoric Acid is usually obtained at an 85% phosphoric acid solution, by mass. If this solution is 15 M, what is the density of the solution? Express your answer in g/ml
asked by Tabatha 
Psych
How does nature and nurture contribute to one’s selfefficacy?
asked by Carmen 
math
A magazine claims that 25% of its readers are college students. Of a random sample of 200 readers, 42 are college students. Use a .10 level of significance to test Ho: p =.25 and H1: p ≠ .25 Show the hypothesis test procedure.
asked by cristi 
chemistry
What is the freezing pint of 0.0091 m aqueous sodium phosphate, Na3PO4? Assume that sodium phosphate is a strong electrolyte and it functions ideally in solution. (express your answer in degrees Celsius)
asked by shawn 
calculus
if h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=16t^2+13t+1. find the height of the object at the time whent eh speed is zero
asked by Jenny 
College Physics
A 1200 kg airplane starts from rest and with a constant average forward acceleration of magbitude 5.0 m/s, reaches its takeoff speed in 9.00 s. The runway is 300 m long. What is the plane's takeoff speed?
asked by Dakota 
calsulus
if h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=16t^2+13t+1 find the height of the object at the time when the speed is Zero. h(t)=?
asked by Jenny 
Physics
Estimate the average force exerted by a shotputter on a 6.5 kg shot if the shot is moved through a distance of 2.7 m and is released with a speed of 11 m/s.
asked by Phil 
chemistry
Propane is widely usid in liquid form as a fule for barbecue grills and camp stoves for 58.5g of propane, calculate the following quantities. The grams of carbon?
asked by Missy 
geometry
You have a slice of pizza with a central angle that measures 140° that you want to share with your friend. She cuts it through the vertex into two slices. You choose one slice that measures 60°. How many degrees are in the other slice?
asked by jackie 
biology
how does a hypothesis help scientists understand the natural world?
asked by karla 
Physics
An elastic cord is attached to two back teeth and stretched across a front tooth. The purpose of this arrangement is to apply force to the front tooth. If the tension in the cord is 1.2 N what are the magnitude and direction of the force applied to the
asked by Mr. D 
Structural design part 2
The structual technique that includes long vertical studs running from the sill plate to the second floor rppf frame is called_____framing. A.platform B.vertical C.balloon D.post Bulging of exterior walls usually results in. A.sagging of windows B.a rise
asked by sib 
chemistry
You have a 22 g sample of ethanol with a density of 0.7893 g/mL. What volume of ethanol do you have?
asked by Anonymous 
physics
What is the magnitude of the displacement of a car that travels half a lap along a circle that has a radius of 170m ?
asked by Taisiya 
Physics
An airplane flies 200 km due west from city A to city B and then 345 km in the direction of 32.0° north of west from city B to city C In straightline distance, how far is city C from city A?
asked by Lisa 
chemistry
2C6H5CL + C2HOCL3 / C14H9CL5 + H2O 114G CHLOROBENZENE IS REACTED WITH 485G CHLORAL. WHAT MASS OF DDT IS FORMED?
asked by anderson 
chemistry
How many liters of water must be added to 4 liters of a 6 molar HNO3 solution to create a solution that is 2 molar?
asked by Hiba 
Physics
A fisher sets out to check his fishing nets and heads 15 km/h [N] for 0.20 h. After stopping for 0.50h, he travels at 12 km/h [E] for 0.10 h to get to the next set of fishing nets. a) What is the fisher's displacement to get to the first set of nets? ( I
asked by Emily 
chemistry
CaCO3 = CaO +CO2 after a 15.8g sample of calcium carbonate was heated in an open container to cause decompostition the mass of the remaining solid was determined to be 9.10g. calculate the mass of carbon dioxide produced.
asked by Missy 
social studies
write a sentence that explains how the terms tributary and drainage basin are realated
asked by Anonymous 
math word problem
Bill likes pepperoni pizza, and Howard like sausage pizza. Both are willing to eat pizza with sausage and pepperoni both. They order 10 pizzas total, each of which has either sausage or pepperoni and some of which have both. If 6 have pepperoni on them,
asked by M.A. 
Chemistry
SrH2 +2H2O = Sr(OH)2 + 2H2 You wish to calculate the mass of hydrogen gas that can be prepared from 7.74g of SrH2 and 6.45g of H2O How many moles of H2 can be produced from the given mass of SrH2? How many moles of H2 can be produced from the given mass of
asked by Missy 
chemistry
What is the halflife of an isotope if it decays to 12.5% of its radioactivity in 18 minutes?
asked by fatin 
chemistry
What is the total vapor pressure4 at 20° C of a liquid solution containing 0.30 mole fraction benzene, C6H6, and 0.70 mole fraction toluene, C6H5CH3? Assume that Raoult’s law holds for each component of the solution. The vapor pressure of pure benzene
asked by Tim 
Algebra
Twice Beth's daily pay is the same as her daily pay increased by 45$. Find Beth's daily pay.
asked by Laura 
French
toi / la / aimer / la / moi / fête / mieux / et / nous / faire i am supposed to unscramble and conjugate these and make a sentence i cant figure one out that makes sense
asked by Isabelle 
English
In Handmaid's Tale, What can you tell about the period just from the first sentence? "We slept in what had once been the gymnasium?" What I put was that it was from long time ago because a gymnasium is used for playing sports, not to sleep and in this
asked by John 
physics
A person is standing at the edge of the water and looking out at the ocean. The height of the person's eyes above the water is h = 1.6m. and the radius of the earth is R = 6.38 X 10^6 m. (a) How far is it to the horizon?
asked by linda 
calculus
Find the average rate of change of the function f(x) = 2x4 + 3x2 ¡ x + 2: (a) on the interval [0; 3] and (b) on the interval [¡2; 0]
asked by Preston 
math
Estimating and dividing with greater numbers: 794 divided by 46
asked by Alvin 
Science
3 elements that have the same properties most like Helium
asked by Elena 
physics
Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s2 lasting for any length of time will not cause injury, whereas an acceleration greater than 1000 m/s2 lasting
asked by jer 
alegebra
im in 7 th grade but doing alegebra pizzaz riddle why do girls like guys who ear shirts with eight buttons
asked by john 
Calculus
Many scientists believe that there have been four Ice Ages in the past 1 million years. Before the technique of carbon dating was known, geologists erroneously believed that the retreat of the Fourth Ice Age began about 25,000 years ago. In 1950, logs from
asked by Preston 
chemistry
how many moles of Cl2 will be produced from the reaction of 9.61 moles of HCl? MnO2 + 4HCl = MnCl2 +Cl2+2H2O
asked by Missy 
geometry
Q is the midpoint of PR. PQ = 3x  5 and QR = x + 17. What is the value of x?
asked by Paige 
College Chemistry
Which of the following changes generally lead to greater reaction rates? (I)Increasing the temperature (II)Decreasing the concentration of a reactant or (III) adding a catalyst I know that change in temperature influences the reaction, in this case it
asked by James 
chemistry
2Br + Cl2 = 2Cl +Br2 how many moles of chlorine gas, are required to react with 169g of bromide(Br)?
asked by Missy 
chemistry
How many milliliters of a 0.50 M solution contain 14.0 g of BaCl2 (Barium Chloride)?
asked by Emily 
chem
when K temperature increases, the average kinetic energy of the particles in a sample do?
asked by montery 
bc
20. You are writing to a reader who favors a different solution than the one you recommend. Which of the following is MOST likely to persuade the reader? (Points: 5) Describe your reader's solution first, explain why it won't work, and then go on to
asked by Anonymous 
Chemistry
The rate law of a reaction, A> B+C is given by the expression: Rate=k, where k=0.0113 mol/L min. If the initial concentration of the reactant is 0.225 mol/L, how long does it take for the concentration to decrease to 0.180 mol/L? I know i have to find the
asked by James 
Science
A crate is resting on the back of a truck and has a coefficient of of friction of 0.45. What is the maximum acceleration that the truck can undergo before the crate starts to slide off the back of the truck.
asked by Cassy 
chem
as kelvin temperature increases, the average kinetic energy of the particles in a sample 1.Increase 2.Decrease 3.Remains the same
asked by chris k 
geography
The European Union (EU) was formed to advance the economic goals of Europe. Countries of the EU open their borders to member nations. European citizenship is extended to all, allowing people to live, work, and vote in any member nation. Member nations have
asked by Victoria 
Calculus
Find an expression for the function whose graph is the given curve. The top half of the circle x^2 + (y2)^2 = 4 Please Help. I don't even know where to start.
asked by Chelsea 
alicia
Okay, write the expression or inequality. : the difference of a number z and 11 is equal to 35 How would I do that? please explain in great detail
asked by math 
8th grade
what vegetable has these letters? HARBRUB?
asked by Hanna 
Internal Assessment Topic
I have to come up with an Internal Assessment topic for history, and I want something that focuses on Trotsky, but I'm having trouble thinking of a good topic. I would've liked to compare the roles of Trotsky and Lennin in the October Revolution, but my
asked by Lauren 
chemistry
Couze The water in the buket has some energy (tempreture) it is absorbed by the water and the ice melts this way water cools...now if you consider the ice outside the bucket water will no longer be in tuch with ice ,since energy of water since must be
asked by Rupali 
chemistry
How many grams of Li3N can theoretically be produced from 1.77 moles of Li? 6Li+N2 = 2Li3N
asked by Missy 
20th Century World History
I have to come up with an Internal Assessment topic for history, and I want something that focuses on Trotsky, but I'm having trouble thinking of a good topic. I would've liked to compare the roles of Trotsky and Lennin in the October Revolution, but my
asked by Lauren 
counseling
What do the following scores (Standard score of 130, a Tscore of 70, and z score of 2 and a stanine of 9) have in common
asked by Jerome 
Astronomy
Compared to the Sun's gravitational force on the Earth, what is the Sun's gravitational force on Jupiter. Jupiter's average distance from the Sun=5AU Earth's average distance from the Sun=1AU Jupiter's mass is 300 times larger than Earth. I think the
asked by Anonymous 
statistics
A sample of n = 5 college students yielded the following observations on number of traffic citations for a moving violation during the previous year. Calculate s2 and s. (Round all answers to four decimal places.) s2 = 1 s = 2
asked by denise 
statistics
what is the standard deviation if 12 randomly chosen students were asked how many times they had missed class during a certain semester with this result 2,1,5,1,1,3,4,3,1,1,5,1,8.
asked by clemencia 
Chemistry
Oxygen reacts 1:2 with sodium and is a colourless gas; chlorine reacts 1:1 with sodium and is a yellow gas; neon does not reacts with sodium and is a colourless gas. Suppose that a new element , pretendium, has been dicovered, and it is noted that this
asked by Anonymous 
Math
A rectangular closet has a perimeter of about 20 feet and a width of about 3 feet. Find the diagonal.
asked by Cassie 
chem
what is(2.25x10*3)(4.80x10*4)=
asked by mark 
chemistry
how many moles of CO2 are produced from 2.90 moles of C3H8? C3H8 + 5O2 yields 3CO2 +4H2O
asked by Missy 
Calc
Find an expression for the function whose graph is the given curve. The top half of the circle x^2 + (y2)^2 = 4 Please Help. I don't even know where to start.
asked by Chelsea 
Physics
Given VectorA=12i+7j5k and Vector B= 2i4j+3k 1)Find angle theta between vector A and vector B? 2)Fine VectorB x VectorA How would I go about doing these problems ?
asked by Rima 
chemistry
Which state of matter has the strongest bond? A. liquid B. solid C. gas D. molecule i think B but im not 100% sure
asked by junior 
Math
The sum of 12 and the quanity 8 times a number k is equal to 48.... How would I write an expresion or inequality for that using >
asked by Alicia 
math
Name two ways to get .60 cents without a 50 cent piece and 3 coins.
asked by Anonymous 
chemistry
What is composed of atoms in fixed proportions? A. mixtures B. compounds C. electrons D. elements
asked by junior 
physics
A cheetah runs a distance of 97 m at a speed of 26 m/s and then runs another 97 m in the same direction at a speed of 34 m/s. What is the cheetah's average speed? ___m/s
asked by helps 
physics
how much work is required to extend an exercise spring by 15 cm if the spring constant k has the value of 800 N/m
asked by jazmyn 
Chemistry
Potassium permanganate reacts with sulfuric acid as per the equation shown below. Indicate the amount of excess reactant after the reaction of 7.24g KMnO4 and 10.32g H2SO4? 4KMnO4+6H2SO4 = 2K2SO4 +4MnSO4 +6H2O + 5O2
asked by Missy 
geometry
what is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 58?
asked by Anonymous 
math
Kevin has a rabbit, ferret, a gerbil, and a turtle. He feeds them in a different order each day. In how many different orders can kevin feed his pets?
asked by reena 
Social Studies
How would being located on a lake and river benefit both a fort and traiding post?
asked by Asia 
Algebra 2
I've got some homework about ellipses and I am not sure if I am doing these right. So if you could check my answers I would appreciate it. Thanks!! 1.) Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,6) and the
asked by Kim 
calculus
find the arc length from (x1,y2) to (x2,y2) on the graph F(x)=mx+b
asked by Reed 
Chemistry
A newly discovered giant planet has an aver age radius 12 times that of the Earth and a mass 722 times that of the Earth. Calculate the ratio of the new planet’s den sity to the Earth’s density.
asked by Daniel 
education
According to Ch. 12 of the text, there are barriers that prevent the implementation of technology in classrooms. Based on your experiences or observations, what barriers exist that are not mentioned in Ch. 12? Discuss possible solutions to these barriers.
asked by renata 
math
Each side of a square is lengthened by 8 inches. The area of this new, larger square is 196 square inches. Find the length of a side of the original square.
asked by Mary 
chemistry
In an atom, the maximum number of electrons having the quantum numbers n=5 and §¤ = 3 is: 1. 9. 2. 14. 3. 50. 4. 25. 5. 7. Shouldn't the maximum number be a lot bigger than the answer choices?
asked by dave 
spanish
what does "contesta estas preguntas sobre ti, tu familia, y tus amigos" mean. does it mean answer the questions about yourself, your family, and your friends? does that mean i have to have 3 sentances for each question.
asked by j 
finite math
Assume that the student has a cup with 15 writing implements: 8 pencils, 5 ball point pens, and 2 felttip pens.In how many ways can the selection be made if no more than one ball point pen is selected?
asked by carly 
chei
.0815moles NO are reacted with .0789moles O2 gas to from NO2 gas according to the following equation: 2NO + O2 = 2NO2 determine the molar amounts of NO, O2, and NO2 after complete reaction.
asked by Missy 
chemistry
.0815moles NO are reacted with .0789moles O2 gas to from NO2 gas according to the following equation: 2NO + O2 = 2NO2 determine the molar amounts of NO, O2, and NO2 after complete reaction.
asked by Missy 
physics
A jet plane lands with a speed of 101 m/s and can accelerate at a maximum rate of 4.60 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest? ___s b)What is the actual
asked by jc 
chemistry
.0815 moles NO are reacted with .0789moles O2 gas to form NO2 gas according to the following equation: 2NO +O2=2NO2 determine the molar amounts of NO, O2 and NO2 after complete reaction.
asked by Missy 
College Physics
A 3.0 kg black is at reat on a horizontal floor. If you push horizontally on the 3.0 kg block with a force of 12.0 N, it just starts to move. What is the coefficient of static friction?
asked by Tam 
chemistry
calculate the specific heat (j/g C ) for each of the following: an 18.5g sample of tin that absorbs 183 J when its temperature inceases from 35.0 degrees C to 78.6 degrees C
asked by kelly 
math
what are the prime factors of a number greater than 5 but less than 13. What is the number?
asked by reena 
chemistry
the # of protons in an atom of sodium23 is
asked by mary 
Calculus
Find the exponential curve through (7, 10) and (9, 250). Recall that an exponential curve is one given by the equation y = A * bx (i.e. is the set of all points (x,A * bx).
asked by Preston 
physics
Peggy drives from Cornwall to Atkins Glen in 37 min. Cornwall is 74.8 km from Illium in a direction 22¡Æ west of south. Atkins Glen is 24.6 km from Illium in a direction 18¡Æ south of west. Use Illium as your origin. Find the displacement during the
asked by Ji 
chemistry
Which is an example of an anion? A. potassium B. ammonium C. sodium D. chloride
asked by junior 
en forma estandar
como se escribe 423,090,709,000 en forma estandar
asked by Alberto 
geometry
what is the formula to find a slope on a graph?
asked by dante 
chemistry
2. 0.300 kilogram chloroform(chlorine calcium3)and 21.0grams eucalyptol(carbon10 hydrogen18 oxygen 3. what is the concentration of a solution of sodium chlorine water containing 1.170grams solute in 100moles solution 4, what is the % by volume of a
asked by juzen 
college  chem
how do i find the amount of moles of H2O in a hydrate?
asked by Patti 
chemistry
.0815 moles NO are reacted with .0789moles O2 gas to form NO2 gas according to the following equation: 2NO +O2=2NO2 determine the molar amounts of NO, O2 and NO2 after complete reaction.
asked by Missy 
statistics
Suppose you sample randomly, without replacement, a number between 1 and 999999, all outcomes have the same probability of being selected.What is the probability that the digits of the number selected add up to 23
asked by cebile 
11th grade math
y=4x^216x+12
asked by Deanna 
English
can you help me to answer these questions? What lifestyles (lifestyle is a manner of living that reflects the person's values and attitudes) can people lead? What are the main differences among lifestyles? What do you have in mind when you speak about
asked by CaroLina 
algebra
here is the question: I am confused about the steps I need to follow to be able to complete this question some explanation will be appreciated :) In a Multiple  choice examination of 25 questions, four marks are given for each correct answer and two marks
asked by Nancy 
science
is a firecracker exploding great example of potential energy or can I describe a better example
asked by san col 
home economics
how many carreers can you get by doing home economics
asked by Anonymous 
physics
What is the average time interval between heartbeats? what is the average time between a hummingbird flaps its wing?
asked by Jennie 
Calculus
Find the exponential curve through (7; 10) and (9; 250). Recall that an exponential curve is one given by the equation y = A ¢ bx (i.e. is the set of all points (x;A ¢ bx).
asked by Preston 
calculus
Assume the initial investment was $6600 and the annual interest rate to be compounded continuously is 5%. Assume also that the target amount is $7900. If you want the account to contain the target amount given above after 9 years, what yearly interest rate
asked by nik 
algebra
In 1995, the life expectancy of males in a certain country was 70.1 years. In 1999, it was 73.6 years. Let E represent the number of years since 1995. The linear function E(t) that fits the data is E(t) =_____ t +______.(Round to the nearest tenth) Use the
asked by James 
math
write the multiplication/division fact family for 2, 7, and 14.
asked by marissa 
English
The stadium covers nineandahalf acres of land. Would the complete predicate be covers nineandahalf acres and the verb be covers?
asked by Anonymous 
English
In one room we saw several unusual computers. Would the complete redicate be unusual computers and the verb unusual
asked by Anonymous 
Math
distance problem suzi drove home at 60mph,but her brother jim,who left at the same time, could drive at only 48mph. When suzie arrived, jim still had 60 miles to go. How far did suzi drive?
asked by Steven 
Physics
PLEASE HELP!! The x and y cooridinates of an object are given by x(t) = 10t + 5t^2 + 3t^3 y(t) = 20t  10t^2 + 2t^3 where x and y are in meters and t is in seconds. How fast is the object traveling at t = 1 s? Please explain in detail how to do this
asked by Indira 
history
how did the romans built cities and showed us how to organize these?
asked by claire 
sociology
does diamond hurt the enviroment and do we choose profit over ou enviroment when it comesto diaond mining.
asked by tyler 
5th grade
Hi i need help with solving this math question.Make an array for each of these number sentences.3*9=27 and 6*7=42
asked by John 
Math
Please explain why a positive number minus a negative number equals positive and you add it together??? Makes no sense at all. ex 10(3)=13
asked by Cheryl 
computer
Please help me with this if you don't mind Web page my home whole document with 2 links first page with 1 link selection with 1 link world travel framed page as shown with 1 link each frame separately with 3 links prices and packages  a single frame with
asked by wan 
physics
How much force is needed to accelerate a 78kg skier 2m/s/s/
asked by cheyenne 
calc bc (condensed
is the limit as x approaches 0 of sin3x over 3x equal to zero? sorry basically this is my problem: lim [sin 3x / 4x) x> 0 ~~~~I multiplied& eventually got to .75* lim (sin 3x / 3x) x> 0 ~so i figured since (lim (sinx/x) x> 0 was equal to zero, then
asked by APpreciative student 
English
I forgot to include these other sentences. 1)They saw trading stations on the river bank consisting of just a brokendown building and a few white men occupying it. 2) Though the natives were like them, they felt frightened because they couldn’t
asked by Franco 
Math
Find: Re[1/(2+j)] Im[2+j/(3+4j)]
asked by Jacob 
math
60/12x(41) 60/12x3 5x3=15
asked by AnOnYmOuS1 
social studies
who arethe two french explorers who searched for the nortwest passage?/ what areas did they explorers and discover?
asked by aadsion 
math
4 digit number. numeral in tens place 3 times the numeral in hundreds place. numeral in my ones place is 2 more than numeral in hundreds place. numeral in thousands place is 3 less than number in tens place. number in hundreds place is 3. what is number?
asked by Owen 
math
kara needs $35 for an aquarium for 6 fish. How can she pay with the least ten and one dollar bill?
asked by sunny 
Math
find any stationary points of the function g(x) = (2x3)square root of 5+16x4x^2 (0 less than or equal to x less than or equal to 4) and use the first derivative test to classify each stationary point as a local maximum or local minimum of g(x) this is
asked by Pd 
Chemistry
NaOH+HNO3> NaNO3+H2O calculate the number of moles of every ion present in solution after the reaction has occurred.
asked by Hiba 
Calculus
Determine the equations of the following lines: (a) having slope ¡1 and passing through (0; 2) (b) parallel to y=2x1 and passing through (¡2; 0) (c) passing through (1; 0) and (¡1; 3) (d) with xintercept 6 and yintercept 3.
asked by Preston 
math
SOLVE THE SYSTEM USING SUBSTITUTION MATH X4Y=49 3Y4Y=66
asked by Anonymous 
chemistry
Which of the following has the greatest effect on the properties of an element? A. the number of ions B. the number of protons C. the number of neutrons D. the number of electrons
asked by junior 
math
find the unknown number in equation 9s=17+1
asked by lance 
MAth
explain how children's concepts of partitioning need to be refined to produce a concept of fractional parts
asked by Carrie 
calc
Find an equation of the tangent line to the curve at the given point. y = 6 x sin x P= (pi/2 , 3pi) i know the slope of a tangent line is equal to the first derivative. For that I got 6xcosx + 6sinx but idk how to put that into the yy1=m(xx1) formula to
asked by calc 
5th grade math
Larsen's class collected 137 cans. Schmidt's class collected 87 cans & Lopez's class collected 197 cans. Use mental math to see how many more cans Lopez's class collected than Schmidt's. (Got answer of 110) How many more cans did Larsen's class collect
asked by lost 
7th grade life science
list 10 importance of lifescince
asked by Lizzie 
7th grade
what is social health? what is mental/emotional health?
asked by mabel 
English
Can you please check if the following sentences are grammatically correct? Thank you. 1) He invited him to his room for a drink and he accepted the invitation. 2) He spoke highly of Kurtz because he thought Marlow knew everything about the company. 3) As a
asked by Franco 
math
4 digit number greater than 8000 disvible by 5 sum of all digits equals 20?
asked by Rhys 
Algebra 2 Urgent! please Help!
simplfy (10x^26xx^3)+(9x+x^3+5x^2) please show all work and steps i have been working on this problem for 10 minutes and still cant figure out how to do it.
asked by Tristan 
Civics and Economics
what was the problem and solution in the Electoral College Compromise?
asked by Tweety 
chemistry
Light sensitive materials are samples under yellow lighting. Please explain what yellow lighting means.
asked by annie 
5th grade
How did a bill become a law??
asked by Andrea 
Chem
If the hydroxide ion concentration in a lake is 10‐10 M what is the lake’s pH?
asked by Johannie 
Physics
at what velocity would a snowball melt before it hit the wall at 32 degrees?
asked by brian 
English
Can you please check if the following sentences are possible? Thank you. 1)He sailed for Africa in a French steamer. At last they came to the mouth of the Congo river. The first company trading post Marlow saw was a depressing place. 2) African people were
asked by Franco 
chemistry
A hydrocarbon contains 4.65g of carbon and .382g of hydrogen. how many moles of each element are present in this compound?
asked by Missy 
HS Math
Please help answer.. What is the principle of powers? When solving a radical equation how do we use the principle of powers to eliminate radicals
asked by Jen 
chemistry
Which of these best describes energy? A. the emission of particles from unstable nuclei B. the capacity to do work C. the splitting of a nucleus D. the combining of nuclei
asked by junior 
Math
Please help... What is the principle of powers? When solving a radical equation how do we use the principle of powers to eliminate radicals
asked by Jesse 
chemistry
Butlylated hydroxytoluene (BHT) is used as an antioxidant in processed food. (It prevents fats and oils from becoming rancid.) A solution of 2.500 g of BHT in 100.0 g of benzene had a freezing point of 4.880⁰ C. What is the molecular weight of BHT?
asked by Mike 
calculus
Suppose that f (x) is a function such that the relationship given below is true. f (3 + h)  f (3) = 9h^2 + 8h What is the slope of the secant line through (3, f (3)) and (7, f (7))? I am stuck on this one , tried every thing in the world. i don't know how
asked by catherine 
physics
A long jumper jumps at a 20 degree angle and attains a maximum altitude of .6 m. a)what is her initial speed? b)How far is her jump?
asked by Anonymous 
business hs
I need a list of 5 basic components of professional behavior. I have only come up with being on time, and respecting your co workers. can someone help me?
asked by Ty 
Algebra
need help in solving by substitution. We all have different steps and all arrive at 3 different ordered pairs. please help and show the steps for 7x+6y=15 and 7x+y=27. Thanks
asked by Team A 
English
What is the relationship between man and nature?
asked by Shaniqua 
Calculus
Suppose that f (x) is a function such that the relationship given below is true. f (3 + h)  f (3) = 9h^2 + 8h (a) What is f '(3)? (b) What is the slope of the secant line through (3, f (3)) and (7, f (7))? Please do not use shortcuts(from future chapters)
asked by catherine 
math
how would you use the concepts from chapter 8 in real life situation? Decribe how these concepts might be useful
asked by davis 
English
Every year the Astrodome attracts thousands of tourirts. Would the complete predicate be attracts thousands of tourists and verb be attracts
asked by Anonymous 
Cemistry
Can an object experience both a physical and chemical change at the same time?
asked by Jim 
geography
Using your knowledge of Location, Place and Region; you will draw to scale and to the best of your ability a map of the United States. I think I have the regions correct, but how do I label it for location and place?
asked by vickie 
English
1. What are your opening hours? 2. When are your opening hours? 3. What is your opening hours? 4. When doe the museum open? 5. We are closed on Mondays? (Would you check the sentences? Are all OK? What is the part of speech of 'closed'?)
asked by rfvv 
Physics
A student travels 6.0 m [E] in 3.0 s and then 10.0 m [N] in 4.0 s. Draw a vector diagram to determine the resultant displacement. Q: How do you know where the starting point is on the graph?
asked by Emily 
Math
using the terms factor, divisor, multiple and divisible by, write as many statements as you can about the number sentence 4X7=28
asked by Max 
chemistry
an organic iron compound consisting of Fe, C, H, and O was found to contain 51.043%C, 5.9886%H, 27.17%O, and 15.80%Fe. how many moles of each element are in 100g of the compound
asked by Missy 
IT210
Why do you think the requirements analysis process is so difficult? Describe two things you can do to overcome these difficulties. Post a Hello World pseudocode or coding example in your post.
asked by Anonymous 
sociology
identify two things that were considerd deviant in the past but are not considerd deviant now
asked by ayesha 
ALGEBRA 2 URGENT! PLEASE HELP!
Simplify 8(2^x1)=64
asked by Tristan 
chemistry
is INH(CH3)3 an acid, base or neutral?
asked by Megan 
math
Tonya and Lauren are designing a soccer uniform. They want to use two colorson the shirt. Their choices are green,orange,yellow, purple, blue, and silver.How many ways can they choose two colors?
asked by reena 
6th grade
i am a 3 digit number divisible by 3. my tens digit is 3 times as great as my hundreds digit and the sum of my digits is 15. if you reverse my digits i am divisible by 6 as well as 3. what number am i?
asked by brandon 
PreCal
log(5x+1)=2+log(2x3) log(5x+1)log(2x3)=2 (5x+1)/(2x3)=10^2 what do i do after that?
asked by Hayli 
Math
What is the average births per day if the average birth per second is 4 1/5? What is the average deaths per hour if the average death per second is 1.7?
asked by Jay 
spanish
i need multiple responses to these questions im stuck 1. Hablen sobre los aparencias, creencias y aficiones de: los hippies, los yuppies, los emo, los Y me 2. Lo que me encanta de ______ es que ... Lo que me fastidia de ______ es que... Lo que me
asked by .. 
inglish
WHat is the relationship between man & nature?
asked by Shaniqua 
Chemistry
.4941g of an ironcontaining compound yielded .1116g of Fe2O3 upon oxidation. What is the mass percent of iron in the compound?
asked by Missy 
5th grade
i need help with this problem what is the mode for the following number? 15,31,32,20,29,32,13 thanks!!
asked by pat 
General information
Does this mean that we are allowed to copy this image and paste it somewhere else? This image may be subject to copyright.
asked by Anonymous 
calculus
Find the limit L. Then find delta > 0 such that f(x)  L < 0.01 whenever 0 < xc < delta. lim x > 4 (4 (x/2))
asked by James 
English
A: Oh, this is to Germany. How will you send it?+ B: By registered mail. (What is the meaning of 'this is to Germany'? What is the role of 'to' in this sentence?)
asked by rfvv 
C1`
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. Bold each adverb. Underline each adjective. Compare the event to one or more similar events. When comparing, use at
asked by VEMSW 
8th grade math
I need the equation for these numbers: 3, 9, 19, 33, 51 I see that the pattern goes up by 6, then 10, then 14, then 18 (4 more each time)
asked by Lisa 
Astronomy and Space
Using a telescope, which planets acn be observed from Earth in a crescent moon phase?
asked by Dan 
Chemistry
Sorry,please ignore my earlier post. Light sensitive materials are sampled in a room with yellow lighting. How is it different from normal white light?
asked by annie 
English
We will be seeing it on our field trip to Philadelphia. would the complete predicate be will be seeing it on our field trip to Philadelphia and the verb be will be seeing?
asked by Anonymous 
Physics/Astronomy
What would a person's weight be on Mars compared to one's weight on Earth?
asked by Mike 
To:Ms.Sue
Sorry Ms.Sue but I have a question on the previous answer you gave me and I hope you don't mind answering it,thanks. Earlier you say "What examples do you know about the good that people do who contribute to the community? " Could you explain to me what
asked by Shadow 
English
I'm writing my english on theme for a certain novel. What would be a good topic sentence to start my introduction off with?
asked by Lana 
xmgt216
• Write a 1,050 to 1,400word paper addressing the following points: o Describe the moral and ethical issues faced by managers dealing with your selected topic. Include how the issue affects other individuals. o Explain how the relationship between
asked by susie 
calculus
Suppose that a colony of fruit °ies is growing according to the exponential law P(t) = P0ekt, and suppose that the size of the colony triples in 11 days. Determine the growth constant k. [You may leave your answer as a fraction, with logarithm(s) in it.]
asked by Preston 
math
SOLVE BY SUBSTITUTION MATH...8X+5Y=7 X=368Y
asked by Anonymous 
chemistry
the # of electrons in an atom of Iron56 is
asked by hermosa 
physics
If your car decelerates at a rat of 4.5 m/s2 how long will it take for your car to stop?????
asked by Megan 
chemistry
what particles with electrical charges repel one another
asked by San 
english
what is agood sentence for a word cofused
asked by ayu 
hist/135
•Submit a 150 to 200word response explaining how Reagan’s policies reflected conservative politics and contributed to stimulation of the economy. Be sure to mention specific examples of policy
asked by renata 
hist/135
o Describe the social, economic, and political composition of the decade of corporate greed and how it affected the political climate of the 1980s. Keep in mind that Reagan's tax policies favored some people over others.
asked by renata 
algebra
r = 100/7
asked by sam 
3rd grade
Ã©crire une expression Ã©gale Ã 2000 en utilisant une seul fois chacun des nombres 1;2;3;4;5
asked by corinne 
physics
A 200 kg motorcycle accelerates at 0.02 m/s2. What force produced this acceleration?
asked by Anonymous 
chemistry
Acids and bases react with one another to form compounds called ______? A. salts B. ions C. mixtures D. salts, ions, and mixtures
asked by junior 
math
I don't understand this question so if you don't mind will you help me by showing work so I can understand. Monica has a backyard in the shape of a square. Which of the following is a possible are of the yard? A)32 square feet B)99 square feet C)64 square
asked by sherkyra 
Chemistry
How many moles of H2 can be produced from 7.74g SrH2? equation:SrH2 + 2H2O = Sr(OH)2 + 2H2
asked by Melissa 
English
On the way home, we stopped at the Astrodome for a tour. Is the complete predicate we stopped at the Astrodome for a tour and the verb stopped?
asked by Anonymous 
preAlgebra
How do you do the problem 49
asked by Blaise 
Astronomy
Do people wear seatbelts to protect themselves from speed or acceleration?
asked by Dre 
algebra
the perimeter of a rectangle is 222 inches. the length exceeds the width by 47 inches. what is the length and width
asked by Anonymous 
12th grade chemistry
The number of electrons in an atom of Iron56 is
asked by san col 
math
(2410)3x3= 143x3 149=5
asked by AnOnYmOuS1 
math
5(3518)+1 5(17)+1 51+1=52
asked by AnOnYmOuS1 
chem
one isotope of carbon has the atomic # 6+ the mass #14. An Atom of this isotope contain how many elctrons
asked by peter 
US History
I don't understand what the difference was between the Lodge reservation and the Hitchcock reservation. Both reservations seem to be similar. I have to find a difference.
asked by Amy~ 
Biology
If the hydroxide ion concentration in a lake is 10‐10 M what is the lake’s pH?
asked by Johannie 
math
why is 23 deficient?
asked by cody 
algebra
Given the function f described by f(x)=12x, find each of the following: f(0) f(1) f(2)
asked by Katy 
ALGEBRA 2 URGENT! PLEASE HELP!
Simplify (10x^26xx^3)+(9x+x^3+5x^2)
asked by Tristan 
Physics
PLEASE HELP!! The x and y cooridinates of an object are given by x(t) = (10 m/s)t + (5 m/s2)t2 + (3 m/s3)t3 y(t) = (20 m/s)t  (10 m/s2)t2 + (2 m/s3)t3 where x and y are in meters and t is in seconds. What is the object's acceleration at t = 1 s? Please
asked by Indira 
MATH
whats the value of 0.4297
asked by EMILY 
English
I am writing an essay on the worn path. This time I wrote this by myself. (Apart from a sentence). Could you tell me what I need to improve on? Love, the emotion of strong affection and personal attachment. "It erupts like an earthquake and then subsides."
asked by Anonymous 
calculus
f (4 + h)  f (4) = 4h^2 + 4h (a) What is f '(4)? (b) What is the slope of the secant line through (4, f (4)) and (7, f (7))?
asked by Mark 
math
y+18=39 y+1818=39___ 3918=21 21+1818=3921 Answer18
asked by AnOnYmOuS1 
Geometry
m< =2x+6;m
asked by Carla 
physics
newton third law says that action and reaction are equal and opposite but if we throw wet soil on the wall it sticks to wall, it does not returns back, why it happens
asked by Bilal 
chemistry
what is the freezing point ang boiling point of ah 5.00grams caffune(calcium hydrogen10 nitrogen4 oxygen2)and 250 mole H2O
asked by juzen 
math
What number divided by 2, 3, 4, 5, or 6 has a raminder of 1, but when divided by 7 has no remainder?
asked by Shirley 
4th grade
what's a good sentence for glacier
asked by ashley 
Math
Determine the value(s)of k that give the type of solution indicated: 2x^2+5x2(k1)=0. Show your work.
asked by Mr. Seuss 
Algebra 2
2sqrt8+2sqrt23sqrt18. Im having pn b)ems with radicals. Please he)p me.
asked by *Demetria* 
Calc
Find the domain. f(x)= 3  1/2x if x less than or equal to 2 = 2x  5 if x > 2 Please help... an explanation would be wonderful, so I can understand how to do this.
asked by Chelsea 
12th Grade Maths
make p the subject in both equtions ap+b=cdp q  1/2 p=63q
asked by daz 
12th Grade Maths
simplify (e is positive) (24e)^1/3 / (3e)^1/3
asked by daz 
EDU
What are the positive and negative influences of the media on adolescents?
asked by Ggift 
math
in right triangle find length of side not given b=1,c=square root of 26
asked by ruthann 
English III
where would I look to find out what my last name.What is the country of origin of my last name
asked by Betty 
English
I need to write a paper on place. I've come up with a few ideas, but am unable to flesh them out. Some ideas are: imagination as a magical place, Israel, Governor's Island, and Around the watercooler. I need to be able to get 3 body paragraphs out of it.
asked by Writer's Block 
5
43x  6 for an input of 4
asked by joey 
Weather & Climate (science)
Why is it that an Aneriod Barometer Can be used to measure elevation as well as air pressure?
asked by Dani 
5th grade
how will the value of 32,184,567 change if the number 2 is replaced by 9? this will be my last question for today thank you!!
asked by pat 
science
how are alkali metals and alkali earth metals different?
asked by Emily 
math
(10025)x2+25 75x2+25 150+25=175
asked by AnOnYmOuS1 
Pre Calc
Derive the equation of the locus of all points that are equidistant from the point F(3,4) and the line y=2. Leave your answer in general form. [General Form: ax^2+by^2+cx+dy+e=0]
asked by Asher 
Sam Sharpe Teachers' College
what is the importance of air in combustion
asked by ishalee 
math
kelly subtracted 2.3 from 20 and got 17.7.explain how this answer is reasonable
asked by larrial 
algebra help
Need help to simplify it. 3{1+4[43(4+5)]}=
asked by john 
english
i cant make sentence of excuse
asked by ayu 
English Literature
Unferth accuses Beowulf of "wantonly tempting the waves" and risking his life for a "silly boast." Given what Beowulf and the narrator say about Unferth, how is Unferth's comment a reflection back on himself? How does it apply when we think about Grendel?
asked by Joshua 
pre algebra
evaluate (m+n)3 power if m=1 and n=5
asked by Isabel 
English
American patriots hid the bell from the British army. What would be the complete predicate and verb?
asked by Anonymous 
social studies
in the first chapter of the book,section 1 review.i need help with number 3 and 4. number 3 is in what ways did native american cultures shares traditions and knowledge. and #4 is how do the mound builder societies provide evidence of the spread of
asked by imaani 
algebra
Given the function f described by f (x)  12x, find each of the following: f(11) f(12) f(29)
asked by Katy 
algebra
Find the indicated outputs for f(x) =4x^2 4x f(0) f(1) f(2)
asked by Lynn 
Healthcare Communication Strategies
I am trying to write a paper on Communication Theory, which was due last night, I got majority of it done but I am stuck, can you help me to finish it please, I currently work In a Primary Care Clinic on a Naval Base, and in this paper I need include how
asked by Kerri 
calc bc
is the limit as x approaches 0 of sin3x over 3x equal to zero? thank you!
asked by APpreciative student 
verb and noun
how do I know where is the noun and verb of this sentences. Guess who came to the party? The dog ranto the window.
asked by davil 
algebra
1/34(4/7 + 5)
asked by shayla 
Calculus
Suppose that f (x) is a function such that the relationship given below is true. f (3 + h)  f (3) = 9h^2 + 8h (a) What is f '(3)? (b) What is the slope of the secant line through (3, f (3)) and (7, f (7))?
asked by catherine 
Math
I need a good explination to understand why a positive number minus a negative number equals a positive or in other words you add it. ex 10(5)= 15
asked by Cheryl 
math
how to simplify (x^3x)/(x1)
asked by mike 
Interview
I'm going to be interviewing someone on the topic " Contributing to the communities" and then turn it into an essay. So I'm wondering if you guy can give me some ideas and question on what to ask the person( The person I'm interviewing is a teacher)?
asked by Shadow 
training and development(CHURCH)
hi, may i know what are the training objective of the church?when they train people?how the training is conducted? please i don't know any about church
asked by chocolate covered jesus 
a
R = 100/T
asked by sam 
math
i need help on doing 442 mi in 8.5 hr and i don't know how to do it can you help me?
asked by brian 
math
7.36+w=8.94 8.947.36=1.58 w=1.58
asked by AnOnYmOuS1 
English
In 1972, the bell was cracked by its own clapper. What would be the complete predicate and verb?
asked by Anonymous 
chemistry
determine the boiling point and freezing point of the following solution 1. 5.00grams caffune (calcium hydogen10 nitrogen4 oxygen2)and 250moles H2O
asked by juzen 
5th grade economics
The amount you pay for your wants/needs... (5 letters, 4th letter is "e")
asked by JMom 
oil spill
Does anybody know if the BP oil spill from this year is over?
asked by AL 92 
math
What time of function is this? 5x^(3)+4x^(2)+4 Power function?
asked by Anonymous 
I.C.T
what are the 2 advantages and disadvantages for: "personal computers"
asked by Anonymous 
algebra
Why is it important to simplify radical expressions before adding or subtracting?
asked by tina 
Science
A truck is going from 20 km/h to 59 km/h in .20 hours, has an acceleration of what?
asked by Abigail 
Math
You and a friend both take a math examination. You score a 98 out of 100 points and your friend scores 96 out of 100 points. Who scored better? Explain
asked by klk 
art/101
· Write a 200 to 300word summary that answers the following: o Summarize the reaction of the public to Michelangelo’s David and Marcel Duchamp’s Nude Descending a Staircase. o What did contemporary viewers find objectionable about each work? o What
asked by stephaine 
5th grade
what is the value of x in the equation 25=10+? please! help me one more time.
asked by pat 
math
1518/9+3 152+3 13+3=16
asked by AnOnYmOuS1 
science
how is it possible to have a negative sun angle?
asked by emily 
math
140/297
asked by Anonymous 
math
m+18=78 7818=60 m=60
asked by AnOnYmOuS1 
english
The Pennsylvia Assembly ordered the Liberty Bell. What would be the complete predicate and verb?
asked by Anonymous 
chemistry
how to simplify (x 3x)/(x1)?
asked by kelly 
math
what do you divide 83 and 100 with to get to 5/6
asked by liz 
english
does anyone know the definition to the word a."extrinsic" b."arousal"
asked by Anonymous 
chemistry
how to simplify ((x^3)x)/(x1)
asked by mike 
BIS155
can i get help with this class
asked by kobe brown 
8th grade Math
2k+3=15 k=4 but prove why this is true using what you already know
asked by fearkiller 
art
who is picasso?
asked by Brandy 
math
the unit rate for 442 mi in 8.5 hr
asked by jenny 
math
n  4.7 = 8.4 8.4  4.7 = 3.7 n3.7
asked by AnOnYmOuS1 
math
how would you write 814 thousand of an ounce
asked by erika