Questions Asked on
January 24, 2014

Science
Can someone please check my answers and if they are wrong can you help me fix them? Thank so much!! 1. Which of the following determines the strength of the force of gravity between two objects? Check all that apply. (2 points) the speeds of the objects
asked by Melissa 
PreCAL
Write an equation in slope–intercept form of the line with the given parametric equations. x = 9t + 2 y = –6t + 9 Answer Choices (A) y=2/3x3/7 (B) y=3/2x+3/31 (C) y=31/3x2/3 (D) y=2/3x+31/3
asked by PreCAL 
AP Chemistry
What is the pH of a 0.41 M solution of pyridinium chloride (C5H5NH+Cl−)? (Kb for pyridine is 1.5×10−9.) Answer in units of pH
asked by Gabriella 
AP Physics C
One dimension. In the figure, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and particle B has mass 5.00 mA. A third particle C, of mass 62.0 mA, is to be placed on the x axis and near particles A and B. In
asked by Tabetha 
AP Chemistry
A 0.00100 M solution of a weak acid HX is 6% ionized. Calculate Ka for the acid.
asked by Gabriella 
Fractions
lisa's dog has 4 squeaky toys. two thirds of the dog's toys are squeaky toys. how many dog toys does lisa's dog have in all?
asked by Jennifer 
AP Chemistry
Consider the ionization constants cyanic acid (HOCN) : Ka= 3.5×10−4; ammonia (NH3): Kb= 1.8×10−5. A solution of ammonium cyanate (NH4OCN) is 1. acidic, because the cation and the anion hydrolyze to the same extent. 2. acidic, because the anion
asked by Gabriella 
Physics
The figure gives the acceleration a versus time t for a particle moving along an x axis. The aaxis scale is set by as = 14.0 m/s2. At t = 2.0 s, the particle's velocity is 11.0 m/s. What is its velocity at t = 6.0 s?
asked by laken 
Science
Which of the following functions like a fulcrum in a lever? A. tendons connecting muscle to bone at a joint. B. ligaments connecting bones at a joint. C. two muscles working as a pair to move a joint. D. two bones meeting at a joint. B or D?
asked by Anonymous 
english
In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? She went to boarding school in Coventry. My sister was born in Chicago. Her grades gave my sister a place in the top rank of her class. My sister moved away in
asked by Anonymous 
Chemistry
A student obtained a clean, dry glass stoppered flask. She weighed the flask and stopper on an analytical balance and found the total mass to be 33.695 g. She then filled the flask with water and obtained a mass for the full stoppered flask of 64.356 g.
asked by Alan Anderson 
Global Studies
What is the name of the area on the side of mountains away from the wind that receives little rainfall? a. Dry spell b. No man's land c. Tundra d. Rain shadow **** Manitoba, Saskatchewan, and Alberta, as well as parts of the central United States, form the
asked by Hannah H 
MATH Fractions
how can you tell if an equal share is more than one whole?
asked by Anne 
Chemistry
The halflife of 131I is 8.021 days. What fraction of a sample of 131I remains after 24.063 days? 1/2 1/4 1/8 1/16 Please help. Thank you
asked by Kiki 
Spanish
Are these correct? Thank you for helping Finish the following sentences including at least one possessive adjective (mi[s], tu[s], su[s], nuestro[s] or nuestra[s]) in your answer. Ejemplo: La profesora que tiene mi amiga es antipática, pero "mis
asked by Eric 
Math
In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30 students passed Mathematics and History, 35 students passed History and Geography, 25 passed Mathematics and Geography, and 15
asked by Lucas 
Physics
You're an investigator for the National Transportation Safety Board, examining a subway accident in which a train going at 88km/h km/h collided with a slower train traveling in the same direction at 25km/h km/h . Your job is to determine the relative speed
asked by Tabitha 
AP Chemistry
Like all equilibrium constants, Kw varies somewhat with temperature. Given that Kw is 7.51×10−13 at some temperature, compute the pH of a neutral aqueous solution at that temperature.
asked by Gabriella 
AP Chemistry
A given weak acid HZ has a Ka=1.7×10−6. What is the H3O+ concentration of a solution of HZ that has a concentration of 0.78 mol/L? What is the pH of this solution of HZ? What is the percent ionization of HZ in this solution? Answer in units of %
asked by Gabriella 
math
A car company charges $35 per day plus 20 cents per mile to rent a car. Write an equation to express the average cost per x mile.
asked by lisa 
Language Arts
2. What do the tomato seeds in “In Response to Executive Order 9066” most likely represent? a. the speaker’s anger at her friend b. the speaker’s excitement about moving to a new place c. the speaker’s love for her friend d. the speaker’s
asked by Felicia 
Chemistry
The gas phase decomposition of dinitrogen pentoxide at 335 K N2O5(g) 2 NO2(g) + ½ O2(g) is first order in N2O5. During one experiment it was found that when the initial concentration of N2O5 was 0.218 M, the concentration of N2O5 dropped to 2.96E2 M
asked by Breauna 
Physics 212
Styrofoam has a density of 300kg/m3. What is the maximum mass that can hang without sinking from a 40.0cm diameter Styrofoam sphere in water? Please help!
asked by Victoria 
Maths and science
In how many ways can a lift holding eight passenger carry a part of thirteen in two journey?
asked by Muthomi paul 
Chemistry 1
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to sweat, and it is determined that the heat of vaporization of its sweat is 215 cal/g. The scientist observing the
asked by Molly 
history
In Japan, under the sweeping authority of General Douglas MacArthur, all of the following reforms were enacted, except A. women were granted equality before the law. B. antitrust laws were abolished. C. the emperor was to remain a symbolic head of state.
asked by Victoria 
algebra 2
simplify the product using the distributive property. (5h+2)(3h3)
asked by ashly 
math(check answers)
please check my math ANSWERS 1.which pair of ratio form a proportion? choose all that apply. A. 1/6, 4/20 B. 7/9, 28/36(I PICK THIS) C. 14/18, 21/27 D. 30/80, 8/18 2.which pair of ratios does not form a proportion? A. 3/5, 24/40 B. 30/10, 15/3(I PICK THIS)
asked by Matt 
Global studies
Because Canada is a long way from the equator, the climate tends to be. a. Moderate b. Warm c. Cool ** d. Very cold
asked by Anna Mullen 
Physics
Two small spheres spaced 20.0 centimeters apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10 −21 newtons?
asked by James 
Physics
An egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the way down and passes a point a distance 37.0m below its starting point at a time 5.00 s after it leaves the thrower's hand. Air
asked by Hannah 
history
In Japan, under the sweeping authority of General Douglas MacArthur, all of the following reforms were enacted, except A. women were granted equality before the law. B. antitrust laws were abolished. C. the emperor was to remain a symbolic head of state.
asked by Victoria 
Anyone please help (language arts)
2. What do the tomato seeds in “In Response to Executive Order 9066” most likely represent? a. the speaker’s anger at her friend b. the speaker’s excitement about moving to a new place c. the speaker’s love for her friend d. the speaker’s
asked by Felicia 
Math
A sample of 5 people is selected from 3 smokers and 12 nonsmokers. In how many ways can the 5 people be selected?
asked by Liam 
Physics
A car is traveling at 16.0 m/s, and the driver sees a traffic light turn red. After 0.500 s (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured from the point where
asked by Jon 
MATH !!!
PLEASE ANSWER THESE 3 I BEEN STUCK ON ALL DAY AND IM SICK OF THEM JUST WANNA SLEEP..PLEASE LABEL ANSWER WITH A B C D ! 1.which pair of ratio form a proportion? choose all that apply. A. 1/6, 4/20 B. 7/9, 28/36 C. 14/18, 21/27 D. 30/80, 8/18 2.which pair of
asked by annabelle 
Economics
Which of the following is most likely to be an implicit cost for Company X? (Points : 1)
asked by tsouthern 
Math
A 20 year loan requires semiannual payments of $1333.28 including interest at 10.75% compounded semi annually. what is the original amount of the loan and what will be the balance of the loan 8.5 years later (just after the scheduled payment?)
asked by MathHelp 
Physics
Two PingPong balls each have a mass of 2.6g and carry a net charge of 0.500ìC . One ball is held fixed. At what height should the second ball be placed directly above the fixed ball if it is to remain at rest there? Express your answer to two significant
asked by James 
Math Interest Question
A loan of $8,532 was repaid at the end of 12 months. What size repayment check (principal and interest) was written, if a 9.5% annual rate of interest was charged?
asked by Maxie 
math
An open box is to be made from a flat piece of material 8 inches long and 2 inches wide by cutting equal squares of length x from the corners and folding up the sides. Write the volume V of the box as a function of x. Leave it as a product of factors, do
asked by MATH ASSIGN HELP 
language arts(CHECK ANSWERS)
1.select the dependen clause that best completes the sentence below. jeff and his parents went to a nice Italian restaurant________. A.located down town near the river. B.even though his mother prefers Chinese food.(I PICK THIS) C.after his piano recital
asked by Matt 
physics
1. The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to change the above equation if the object was 100,000 meters above the ground? (Note: this question refers to Newton’s equation
asked by Anika 
chemistry
What is the concentration of a solution, in gsolute/100gsolvent, made using 2.29 g of KNO3 in 2.03 g of H2O?
asked by Anna 
English
In which one of the following sentences could you best use a semicolon? A If you ask me Jerry is a tennis whiz. B When she is worried Lucille eats a lot. C Jerry loves tennis he plays everyday. D Lucille bought a new tennis racket and brought it home.
asked by mr scooter 
finance
How much would Greg need to have on deposit at retirement in order to withdraw $35,000 annually over the 15 years if the retirement fund earns 4 percent?
asked by Anonymous 
Physics
A ball is thrown straight upward and rises to a maximum height of 20 m above its launch point. At what height above its launch point has the speed of the ball decreased to onehalf of its initial value?
asked by Cara 
science
A 1.92 × 103 kg car accelerates uniformly from rest to 12.4 m/s in 3.77 s. What is the work done on the car in this time interval?
asked by Ti'Anna 
math
Solve the equation using the addition property of equality. p – 1 = 4
asked by loretta 
math
The side length, d, of a cube that contains a sphere depends on the radius, r, of a sphere. Assuming that the faces of the cube are tangent to the sphere, write the volume of the cube as a function of the radius of the sphere.
asked by john 
Physics
A jetliner, traveling northward, is landing with a speed of 60 m/s. Once the jet touches down, it has 795 m of runway in which to reduce its speed to 5.6 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the
asked by Maria 
Math
One number is 3 times as big as another number. If the difference between these two numbers is 60 then what is the larger number?
asked by Lawson 
Python: Creating function
The value of the inventory of a particular book is the price of that book times the number of copies we have in stock. Write a function called inventory_value that takes a Book as its argument and returns the value of our inventory of that book. Then write
asked by Student 
literature
In "A Pair of Silk Stockings," The silk stockings are a symbol of what
asked by Alice 
math
The sum of a nonzero integer and zero has the same value as the square of the integer.What is the integer? not just an answer. A.2 B.1 C.0 D.1 E.2
asked by Johnny 
Math
One number is 3 times as big as another number. If the difference between these two numbers is 60 then what is the larger number?
asked by Lawson 
science
A 1.92 × 103 kg car accelerates uniformly from rest to 12.4 m/s in 3.77 s. What is the work done on the car in this time interval?
asked by Ti'Anna 
Grammar ~CHECK MY WORK PLEASE~
THE STARS NEXT TO IT ARE MY ANSWERS!! Select the answer that correctly identifies the part of speech of the italicized word or words in each sentence below. The words are with all big letters. YET, OH, SUDDENLY, BEFORE, THROUGH, OUTSIDE 1) The movie was
asked by Wendy 
science
Which statement best compares an atom to an ion? A.An ion is an atom that has lost its charge. B.An ion is an atom that has gained or lost protons. C.An ion is an atom that has gained or lost electrons. D.An ion is an atom that has a different number of
asked by victoria 
physics
The coeﬃcient of linear expansion for a silver strip is 1.9 × 10−5 / ◦C. What is its length on a hot day when the temperature is 32◦C if the strip is 1.4 m long when it is −15◦C? Answer in units of m Your answer must be within ± 1.0%
asked by chris 
math
A bouncing ball rises to 60% of the height from which it fell. If the ball fell from a 10 foot balcony, express the height "h" in feet as a function of the number of bounces "n".
asked by sylvana 
Math
Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?
asked by James 
Physics
A free electron and a free proton are exactly 0.70cm apart. Find the magnitude of the acceleration of the proton. Express your answer with the appropriate units. Find the direction of the acceleration of the proton. Find the magnitude of the acceleration
asked by James 
math
U is the set of positive integers less than or equal to 30. A is the set of natural numbers that are multiples of 5 in U. B is the subset of all of the even integers in U. a) Find n(A U B) b) Find n(A intersect B) c) Find n(A U B' ) d Find n(B intersect
asked by Lucas 
Phyhics
What are the difference between heat and temperature
asked by Mahesh budhathoki 
history
Regarding multinational corporations in the era of globalization, which of the following statements is false? A. Their activities were sharply restrained by national governments. B. They could invest large sums of money in research and development. C. They
asked by Victoria 
Physics
A hotair balloon is rising upward with a constant speed of 2.20 m/s. When the balloon is 2.50 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
asked by Sam 
trig
csc^4cot^4= 1+cos^2/sin^2 i need help! please help me
asked by jenny 
Algebra
1. (12g^4)^1 (work check) 12g^4 = 1/(12g^4) 2. (2y^4)^3 (need help)
asked by Anonymous 
philosophy
Explain the theoretical basis of ethical behavior?
asked by Dave 
language arts(CHECK ANSWERS)
PLEASE CHECK MY ANSWERS /.,. 1.select the dependen clause that best completes the sentence below. jeff and his parents went to a nice Italian restaurant________. A.located down town near the river.(I PICK THIS) B.even though his mother prefers Chinese
asked by Matt 
language arts check answers
I know I got 2 of these right so can you tell me which 2 are right ?? labeled 1.select the dependen clause that best completes the sentence below. jeff and his parents went to a nice Italian restaurant________. A.located down town near the river. B.even
asked by Matt 
Anthropology
what does this statement mean : " the purpose of anthropology is to make the exotic familiar and the familiar exotic".
asked by macy 
geometry
Quad ABCD with diagonal DB.
asked by Jacob 
Math
A is the set of all multiples of 4 that are less than or equal to 20. B is the set of all of factors of 24. Find A U B. Thank you so much for huge help:)))
asked by Lucas 
Calculus
integrate (t(root t)+t(root t))/t^2 dt
asked by Anonymous 
Calculus
Graph the integrands and use areas to evaluate integrals (integrate(3&3)) root(9x^2) dx
asked by Anonymous 
Math
Keisha spent all day baking pies and cookie cakes for Party. Each pie had to bake for 48 minutes, and each cookie cake had to bake for 18 minutes. All together , keisha baked 9 desserts one at a time for a total of 4 hours and 12 minutes. How many cookie
asked by John villarreal 
Trig
Use a graphical method to find a solution to the following system of equations in the interval –1 ≤ x ≤ 5: y = x2 – 4x + 2 y = x + 2 The solution set to this system of equations in the interval –1 ≤ x ≤ 5 is {} {(2, 0)} {(0, 2), (5, 7)} {(2,
asked by Kiki 
Language Arts Reading Book: "Life in a Sod House")
what WORDS does the author use in "Life in a Sod House" to appeal to the reader's sense of sight? what DETAILS does the author use in "Life in a Sod House" to appeal to the reader's sense of sight?
asked by Cindy 
Plan or Review Administration Systems
define the privacy law in Australia and how it sharing information within and organisation and customers?
asked by Nas 
History
The _______ Act required King _______ I to convene Parliament every three years.
asked by Victoria 
MATH
Hi, Please help me find: V, a, and b. Ty An open box is to be made from a flat piece of material 8 inches long and 2 inches wide by cutting equal squares of length x from the corners and folding up the sides. Write the volume V of the box as a function of
asked by MATH PLEASE HELP 
history
Since the stunning 2002 electoral victory of the Justice and Development Party (AKP), the people of Turkey have been concerned that the AKP A. will embrace radical socialism. B. will challenge Turkey's strict separation of church and state. C. will attempt
asked by Victoria 
finance accounting
Fakari had the following asset at the ending of the year 2013 having started the business at the beginning of the same year. kSH.000 Account payables 15,800 equipment 46,000 motor vehicles 25,160 Account receivable 23,080 Cash at bank 29,120 cash in hand
asked by tima ibrahim 
science
How are all atoms of iron different from the atoms of all other elements? A.number of neutrons B.charge on the atoms C.mass number D.number of protons I guessed. I knew the answer. 123456789101112131415161718192021
asked by victoria 
science
How can atoms of two elements that have a different number of protons have the same charge? A.by also having a different number of neutrons B.by also having a different number of electrons C.by having the same mass number D.by being the same size atoms
asked by victoria 
economics
Analysis reveals that _______ is among those countries with the lowest per capita GDP. A. India B. Argentina C. Romania
asked by Victoria 
English
Can someone of you check these sentences, please? Thank you in advance. 1Complete the sentences with the correct form of should, must or have to. 1You _________ be worried. This test is very easy. (don’t have) 2All the students _________arrive on time.
asked by Frank 
economics
Analysis reveals that _______ is among those countries with the lowest per capita GDP. A. India B. Argentina C. Romania
asked by Victoria 
finance accounting
Fakari had the following asset at the ending of the year 2013 having started the business at the beginning of the same year. Ksh.000 Account payable 15,800 equipment 46,000 motor vehicles 25,160 Account receivable 23,080 cash at bank 29,120 cash in hand
asked by tima ibrahim 
Maths
How many litres of water in a tank size 1.3m wide, 3.76m long and 0.73m deep
asked by John 
math
Find the reciprocal: 212/13
asked by loretta 
english3
I found what I was looking for in my purse.
asked by Anonymous 
science
How do two isotopes of the same element compare with each other? A.They have the same number of protons but a different number of electrons. B.They have the same mass number but a different number of protons. C.They have the same mass number but a
asked by victoria 
Anatomy & Physiology
1. What are the constituents of DNA? A. Sugars and lipids B. Proteins and sugars C. Sugars, phosphates, and nitrogenous bases D. Lipids, nitrogenous bases, and proteins 2. What is the mechanism that maintains a stable environment within the body? A.
asked by Diana 
Algebra
I know that Reiny has answered this question on how to simplify this, but what steps do I follow? (r^2 s)^5
asked by Anonymous 
math
If a test has 25 questions with 4 possible answers per questions, how many possible answer combinations are there?
asked by david 
Histroy
'' Which of the following was Daniel Webster speaking of when declared, ''Liberty and Union, now and forever, on and inseparable!"? A. Regional differences B. International differences C. Improved transportation D. Improved industry I got, D. Is that
asked by Bbyboo 
Science
RNA is to U(Uracil) as DNA is to ? a. Cytosine (don't think so) b. Guanine (don't think so) c. Thymine d. Adenine
asked by David 
10th grade Science
Explain, physiologically, how you would decide to use ice or heat on an injury? My book doesn't have any good info on this question. Is there a reputable website or article to get info to answer this question?
asked by Student 
math
Find the absolute value of: 18.7
asked by loretta 
german
Choose the correct helping verb. Wir ____ geschlafen. sind haben urggghh im unsure about this :(
asked by orpheus 
Math
Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?
asked by James 
social studies
12. During the early 1800s, the United States tried to make peace with other countries in order to grow and develop. Give an example of one of these peace efforts and briefly explain what it hoped to accomplish. (5 points)
asked by bla 
physics
In a certain right triangle, the two sides that are perpendicular to each other are 3.80 m and 8.10 m long. What is the length of the third side of the triangle?
asked by leslie 
Physics
How much charge is contained in 9kg of electrons? Express your answer to two significant figures and include the appropriate units.
asked by James 
Kitty?
Does anyone now how I can get hold of kitty? I was talking to her last night but I don't know how I ca speak to uer again
asked by Anonymous 
algebra
The perimeter of a pool is 64 feet and has a width of x and a length of x4. What is both the width and length of the pool?
asked by Harry 
Physical Science 9
What is the chemical equation for the rusting of iron carbide. I tried it myself,but I ended up with iron hydroxide rather than iron oxide. Help, Please, and thank you.
asked by Pierce 
math
Find the absolute value of: 27.8
asked by loretta 
history
According to Franz Fanon in his book The Wretched of the Earth, A. colonization need not be violent. B. decolonization need not be violent. C. decolonization is always violent. D. colonization is an inevitable necessary evil.
asked by Victoria 
math
Quad ABCD with diagonal DB.
asked by Jacob 
math
How to simplify? (r^2 s)^5
asked by Anonymous 
math
The sum of a negative integer and 2 has the same value as the square of that integer.What is the integer? not just an answer. F.2 G.1 H.0 J.1 K.3
asked by Johnny 
english
According to Franz Fanon in his book The Wretched of the Earth, A. colonization need not be violent. B. decolonization need not be violent. C. decolonization is always violent. D. colonization is an inevitable necessary evil.
asked by Victoria 
science
How are the atoms of two different elements always similar to each other? A.They react in the same way. B.They have the same number of neutrons. C.Electrons and protons orbit the neutrons. D.Electrons orbit the nucleus.
asked by victoria 
Social studies
How is imperialism and the Spanish America war related?
asked by Samantha 
math
How to simplify? (r^2 s)^5
asked by Anonymous 
math
The product of a number and 2 has the same value as that number minus 2. What is that number? not just an answer. A.4 B2 C.1 D.0 E.2
asked by Johnny 
algebra
How to simplify? I know the answer, but please show the steps. (r^2 s)^5
asked by Anonymous 
Physics
How much charge is contained in 9kg of protons? Express your answer to two significant figures and include the appropriate units.
asked by James 
Vocabulary
8. Do you think the United States should take the___ in trying to bring about a compromise peace in the region? initiative
asked by Marie 
English
Identify the definition of the word in quotes. Abby was finally able to "balance" her checkbook, after hours of matching her monthly expenses to her bank statement. A. to sway B. to weigh in C. to move toward and then away D. to gain agreement D
asked by Anonymous 
MATH MATH
how can you tell if an equal share is more than one whole?
asked by Sarah