Questions Asked on
May 5, 2015

math
Two boats leave a port at the sametime. The first travels at 15km/hr on a bearing of 135 degree. While the second travels at 2km/hr on a bearing of 63 degree . If after 2hours the second boat is directly North of the first boat, calculate their distance
asked by Anonymous 
English
1. It's no use worrying about it. 2. It's no use to worry about it. 3. There is no use worrying about it. 4. There is no use to worry about it. Which ones are grammatical? In #1 and #2, does 'it' on the left refer to 'worrying about it'?
asked by rfvv 
mathematic
q1 a cone has a base radius of 5cm and height of 12cm(a)calculate it slant height (b)calculate it total surface area,leave answer in terms of it
asked by patience daniel 
trigonometry
Prove : 1 + Sin2A/ Cos2A = CosA + SinA / CosA SinA
asked by clive 
English
The passage below contains a total of ten pronouns. How many of the pronouns in the passage below are in the nominative case? "Teach me, O Lord the way of thy statutes; and I shall keep it unto the end. Give me understanding and I shall keep thy law; yea,
asked by Anonymous 
Equilibrium constant
Consider the reaction: SO2Cl2(g)⇌SO2(g)+Cl2(g) A solution is made containing initial [SO2Cl2]= 0.022M . At equilibrium, [Cl2]= 1.7×10−2M Calculate the value of the equilibrium constant.
asked by Chemistry 
Geometry
NA ≅ PA, MO Û NA, RO Û PA, MO = 7 feet what is PO? a.7 ft b.49 ft c.14 ft d.3.5 ft Explain?
asked by Sandra 
Chemistry
Calculate the value of the equilibrium constant for the following reaction: PbI2 (s) + 2I (aq) PbI4 ^ 2 (aq) The solubility product constant Ksp for PbI2 is 9.8e9 and the formation constant Kf for PbI4^2 is 3.0e4 I have Ksp=[PbI4^2] Kf= [PbI4^2] /
asked by Maya 
science
a car travels due east on the level road for 3km it then turns due north at the intersection and travels 4km before stopping the magnitude of resultant displacement of car
asked by mehak 
math
a. the line y=7x cuts the circle x^2+y^2=50 at A and B. find the coordinates of A and B. b. show that C(5;5) lies on the circle. c. show that ACB angle C=90degrees. what can you deduce about AB? d.find the equation of the tangent to the circle at C
asked by Anonymous 
math
A certain sum of money was shared among 3 friends, A, B, and C. A received 3/7 of the money, and B got 2/3 as much as A. C received $49 less than A. a) Find the ratio of B’s money to C’s money. b) How much money did C receive?
asked by jessi 
Equilibrium
An equilibrium mixture of the following reaction was found to have [I2]= 0.0325M at 1200 ∘C. What is the concentration of I ? I2(g)⇌2I(g) Keq= 1.5×10−2 at 1200 ∘C Someone please help set this up?
asked by Chemistry 
L.A
The word propose has been borrowed from the Latin propositus meaning, "set forth" in which sentence is the word propose used correctly A. he felt that propose would do more harm than good B. when you set up a propose, be certain it is correct. C. the
asked by anne 
math
The ratio of the number of male lions to female lions in the animal reserves is 21:20. If there are 123 lions in the animal reserve, how many of the lions are female? Thank you!
asked by Scotty 
Math  7th grade
Can you check/explain the following: 1. If you roll a number cube 66 times, how many times should you expect to roll a 1? a. 9 times b. 11 times c. 8 times d. 10 times Ans. P(1) = favorable outcome/possible outcome = 66/396 , (1 x 66rolls, and 6sides x 66
asked by Alexis 
math
An amount of $27,000 is borrowed for 6 years at 8.25% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back?
asked by Jane 
Math
Hi(: A newspaper editor wants to know whether people who buy the newspaper like the paper’s new format. He prints an alphabetical list of all the employee names and asks every fifth person on the list. Is the sample likely to be biased or unbiased?
asked by Crystal 
Calc
A ball is thrown straight up from the top of a 200 foot building with an initial velocity of 40feet/second. acceleration due to gravity is 32feet/second. a) find a formula for the height of the ball at time t. b) how high does the ball rise before it
asked by Jason 
Algebra (Slope)
Find a slope of the line that is parallel to the line containing the points 3,4 and 2,6. A. m = 1 B. m = 2 C. m = 2 D. m = 1/2 I chose B. Is this correct?
asked by Caitlyn L. 
Business Statistics
The Bureau of Labor Statistics’ American Time Use Survey showed that the amount of time spent using a computer for leisure varied greatly by age. Individuals age 75 and over averaged 0.30 hour (18 minutes) per day using a computer for leisure.
asked by Kim 
Math
You spin a spinner that has 8 equal sections numbered 1 to 8.Find p(perfect square or odd).
asked by Steve 
Math
The electrical resistance, r ohms, of 1,000 ft of solid copper wire at 77¡ãF can be approximated by the model r = 10,770 / d^2  0.37 for any wire diameter, d mils (1 mil = 0.001 inch), such that 5 ¡Ü d ¡Ü 100. What is the approximate resistance, in
asked by Anonymous 
science
Earth's energy sources include both nonrenewable and renewable resources. Name at least three sources of energy that could be used in your house. The describe the ideal energy source for generating most of your home's electricity, and explain why you chose
asked by Bob 
English
What is the difference between 'scarf' and 'muffler'?
asked by rfvv 
Physics
A stone is thrown vertically upward with a speed of 12.0 m/s. (a) How fast is it moving when it reaches a height of 5.0 m? (b) How long is required to reach this height?
asked by Shing 
science
What is the difference between specific heat and heat capacity? If you heat 500g of H2O initially at 8C in a 1000 W microwave with 80% efficiency for 2 minutes, what will the final temperature be?
asked by Mary 
ELA
Which of the following is a way you could begin an essay that's about the medical uses of iodine? A. Last summer, a splinter in my brother's leg became infected, which led to blood poisoning. He could have prevented the problem with a few drops of iodine.
asked by Brooklyn 
physics
4. Three point charges, +6.3 µC, +2.3 µC, and −3.4 µC, lie along the xaxis at 0 cm, 2.6 cm, and 5.2 cm, respectively. What is the force exerted on q1 by the other two charges? (To the right is positive.) The Coulomb constant is 8.99 × 109 N · m 2
asked by jamie 
chemistry
Methane burns in air to give carbon dioxide and water. Give a chemical equation . Show(State ) how the mixtures of these gases can be separated
asked by clive 
English
It is good but not good enough. Do I need a comma before "but"?
asked by Anonymous 
Physics
Not sure what formula to use.. im given the molar mass of a molecule the temperature it's at and the distance it traveled, and im looking for the time it takes to travel that distance
asked by Amber 
English
1. Don't you get lonely being on your own all day? 2. Don't you get lonely if you are on your own all day? 3. Don't you get lonely when you are on your own all day? =================== Does #1 mean #2 or #3? Can we substitute 'alone' for 'on your own'?
asked by rfvv 
English
1. Take off the poster from the wall. 2. Take the poster off the wall. 3. Put on the poster on the wall. 4. Put the poster on the wall. ========================= Which ones are grammatical?
asked by rfvv 
chemistry
In a dry cell, MnO2 occurs in a semisolid electrolyte paste and is reduced at the cathode. The MnO2 used in dry cells can itself be produced by an electrochemical process of which one halfreaction is shown below. Mn2+(aq) + 2 H2O(l) MnO2(s) + 4 H+(aq) + 2
asked by Mel 
math
I am trying to find the eigenvalues . They are 0 and 2 but i keep on just getting 0. its a4X4 matrix. [ 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0]
asked by Anonymous 
French
Can someone help me correct this? 1.) Le rat est lit le mur. 2.) Le rat grandit réellement. 3.) La soeur a vu le rat. 4.) Le rat mange sa famille et Eric aussi. 5.) Le méchant Eric ne fait plus ne blagues parce qu'il il un cauchemar.
asked by Meghan 
Chemistry
Helium is collected over water at 20.°C and 1.16 atm total pressure. What total volume of gas must be collected to obtain 0.597 g of helium? (At 20.°C the vapor pressure of water is 17.5 torr.)
asked by Sam 
English
(Speech ) English is the language of opportunities. Why bother to teach indigenous languages? I
asked by Anonymous 
7th grade math (probability)
1. Cmdr's coffee shop offers a coffee special with coffee syrups of vanilla, chocolate, and caramel. You can also choose between a latte, and cappuccino. How many different coffees can you make for the special? Ans: 6 (VLatte, ChocLatte, CLatte; VCap,
asked by Alexis 
LO
hi I'm new plz help i need I four factors that could threaten or limit the core function of the media
asked by Anonymous 
SS
the economic of israel saudi arabia iran and turkey could be best described as what i have no clue
asked by Kareemah 
MATH ONE QUESTION!
The student council is making six right triangular pennants to promote school spirit. Each right triangle is 9 inches high and 2 feet long. In square feet, what is the total area of six pennants.
asked by Anonymous 
science
Jennifer made 5 L of punch for her party. Her brother made another 750 mL. If they combine the two batches, how many 180 mL servings would they have? Would there be any punch left over? If so, how much?
asked by Rishita Papaiya 
math
Terrell has a water purifier for backpacking. It will purify 1 liter of water in 1 minute. How long would it take Terrell to purify enough water for 4 canteens that each hold 750 mL, and two that each hold 1.5 L?
asked by Rishita Papaiya 
Physics
Test Bank, Question 13 In a classroom demonstration, a 79.2kg physics professor lies on a "bed of nails." The bed consists of a large number of evenly spaced, relatively sharp nails mounted in a board so that the points extend vertically outward from the
asked by Seham 
Socials
How did the building of the transcontinental railway benefit the country? I know that First Nations were kicked off their farmland to make way for the building of the railway and for settlers(why would settlers need the land?). Why was the railway so
asked by Lina 
eng
I have to make a speech. Is Traditional African Marraige an advanrage to men only not women?
asked by Marlene 
Physics
we have an unknown mass of water at an initial temp of 35 degrees C and 100 g ice cube at 5 degrees, the final temp is 5 degrees. What is the mass of the water? Specific heat of ice is 2100 j/(kg*k) latent heat of fusion of ice is 333.7 kj/kg
asked by Amber 
Art History
What were some propaganda works of art in Baroque and Rococo periods?
asked by Jill 
English
Can someone please tell me if this poem is in iambic pentameter? I really don't understand it. Thank you. I love a boy who will never be mine. When he speaks, I don't hear anything else. He is like sunshine on a gloomy day. When he laughs it sounds like he
asked by Anonymous 
Math
If the volume of a cone is 1/3 pi r^2 h, then how can it also be 1/3 pi r^3?
asked by Anonymous 
chemistry 121
If a solution of 0.5 M HOAc dissociates as follows: HOAc + H2O „® H3O+ + OAc, what is the final [H3O+] in the solution? Ka for HOAc = 1.8„ª105. What is the pH of the above solution? What is the Kb for HOAc? not sure of the initial set up please
asked by Nicole 
Physics
A rowboat is moving at 3 km/hr straight across a river from north to south and the river is flowing east at 4 km/hr. What is the resultant velocity?
asked by TRW 
Physics
A paperboy moves at 3 m/s delivering newspaper. He throws a newspaper directly behind himself at 3 m/s, in the frame of reference of someone standing nearby, what is the motion of the newspaper?
asked by TRW 
Math
There are 20 books on a summer reading list. In how many ways can you choose 1 per week for 6 weeks.
asked by Steve 
math
Sophia bought 3 yards of trim to put around a rectangular scarf. She wants the width of the scarf to be a whole number that is at least 6 inches and at most 12 inches. if she uses all the trim, what are the possible dimensions of her scarf? write your
asked by seahawks 
Probability
A box contains 95 pink rubber bands and 90 brown rubber bands. You repeatedly choose a rubber band from the box, record the color, and put the rubber band back in the box. The results are shown in the table below. Find the experimental probability of each
asked by I need help 
math
you have apple, mapple, oak, poplar, and spruce trees. about how many different groups can u make with three different trees? please help this is alot of work and i have until 4;45 to get it all done!
asked by please help 
Algebra Readiness
Which is a table of values for y = x  6? a.) x  y 5  1 8  14 7  14 b.) x  y 5  1 8  14 7  13 c.) x  y 5  11 8  14 7  13 d.) 5  1 8  2 7  1 I think the answer is D!
asked by check answer please 
math
maya made a sign with an area of 48 square centimeters What could her sign look like
asked by julia 
math
Which of the following side lengths could combine to form a triangle? a. 17, 13, 2 b. 15, 18, 24 c. 5, 9, 14 d. 16, 32, 16
asked by boss 
Stats
From previous records a shipping company knows that the cost to deliver a small package within 24 hours is $15.50. The company charges $17.95 for shipping, but guarantees to refund the full charge if the delivery is not made within 24 hours. If the company
asked by Natalie 
functions
Given a 10 cm by 20 cm piece of paper, if you cut out four equal squares from the corners and fold up the resulting sides you will create an open box. Write an expression for the volume of this box in terms of the side length of each cut‐out square, x.
asked by RRR 
functions
A person’s weight, w, on a planet of radius r is given by: w= kr^2 k < 0 where the constant, k, depends on the masses of the person and the planet.What fraction of the Earth’s radius must an equally massive planet have for a person to weigh ten times
asked by Rajab 
math
The length of a rectangle is 3 m more than double the width, and the area of the rectangle is 54 m^2. Find the dimensions of the rectangle.
asked by lina 
Math
9(8+4v)
asked by Sarah 
health
Healthy pregnant and postpartum women should get at least ________ of moderateintensity aerobic activity a week.
asked by kim 
Math
If I have 5 different types of trees and want to plant them in groups of three, how many different combinations of groups can I make. I worked this out and came out with 30. Am I right? Thanks for your help
asked by Jessie 
chemistry
How many milliliters of a 4.5 M HCl solution would be needed to react completely with 5.8 g of aluminum? I know the answer is somewhere around 143 mL HCl, but I CANNOT figure out how to find that answer. I have done a conversion from g of Al to mL of HCl
asked by Reeseamelia 
biology
the respiratory systems of mammals and birds adapted to maximise the extraction of oxygen from air. How has did this happen.
asked by eed 
chemistry
what is a mole
asked by Bob 
Statistics
The number of automobile accidents per day in a particular city is believed to have a Poisson distribution. A sample of 80 days during the past year gives the following data. Compute the value of the test statistic. Use α=0.05. Number of Occurrences
asked by Nobin 
Business Math
Find the amount due on a $300 invoice received on June 3 and paid on June 11 if the sales terms are 3/15, n/30. I can't figure this out! Please help!
asked by Miah 
Accounting
O'Neill Co. has $296,000 in accounts receivable on January 1. Budgeted sales for January are $860,000. O'Neill expects to sell 20% of its merchandise for cash. Of the remaining 80% of sales on account, 75% are expected to be collected in the month of sale
asked by Cindy Floyd Gray 
L.A
what is the participle phrase int he sentence? Quickly grabbing my lunch, I raced out the door to the bus. A. grabbing my lunch B. I raced C. out the door D. to the bus What is the prepositional phrase in this sentence? Late last night there was a loud
asked by anonymous 
Math
Sayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5. Using the estimates, is this a reasonable answer.
asked by Ishmel 
Calc 1
Of the infinitely many lines that are tangent to the curve y = −6 sin x and pass through the origin, there is one that has the largest slope. Use Newton's method to find the slope of that line correct to six decimal places.
asked by TayB 
English
1. I lost my watch. I must buy a new one. 2.I lost my watch. I must buy a new it. 3. I saw a big one. 4. He has a small one. Is #1 grammatical? What about #2? Is #2 ungrmmatical? Can we use the pattern, 'a adjective one' only?
asked by rfvv 
Eng
I need to do a speech of Traditional African marraige is an advantage for men only not women
asked by Marlene 
college precalculus
Saving. How much money should be invested monthly at 6% per year, compounded monthly, in order to have $2000 in 8 months?
asked by tim 
Chemistry
When Solid NaHCO3 was placed in a rigid container witha volume of 2.5L and heated to 160 degrees Celsius, the equilibrium was reached. 2 NaHCO3(s) > Na2CO3 (s) + CO2(g) + H2O(g) At equilibrium, some of the starting material remains and the total pressure
asked by lawerence 
Math
Determine one of the zeros of the quadratic realtion: y=(x(k/2))^2[(k2)^2/4] I tried to do this by expanding and got to y=x^2mxk+1 How are you suppose to do this
asked by Lily 
gum
Which is the entire verb phrase in this sentence? My friends and I could have carefully dismantled the playhouse. A. dismantled B. could have dismantled C. could have carefully dismantled D. could have
asked by adam 
geometry and measurement
Lila wants to build a fence around her pool. The pool is 25 feet long by 15 feet wide. The fence is to be 10 feet from the edge of the pool. how many feet of fencing will she need?
asked by danielle 
Civics HELP! Ms.Sue
Who would be included in the middle class?
asked by Anon101 
Venezuela
why did this country fall into dictatorship
asked by Anonymous 
sociology
How do offshoring (also called outsourcing), microfinancing, informal economy, and multinationals affect the U.S. economy? In your discussion, include reference to core nations and globalization.
asked by jjudy 
math
what is the equivalent fraction for ninety over one hundred
asked by angelo 
Math
Apply the following transformations to this parabola. Y=2(x+3)^21 A) reflection in the xaxis, followed by a translation 5 units down. I got : y = 2(x+3)^26 But the answer is y= 2(x+3)^24 Why is it 4 And also. How odd you do reflections in the y axis
asked by Lily 
Chemistry
Pt(s) Fe^3+ (aq, .1M), Fe^2+ (aq, 1M) Fe^3+ (aq, ?M), Fe^2+ (aq, .001M) Pt(s) A.) Write anode reaction B.) Write cathode reaction D.) If E= .14V for this cell, calculate conc. of Fe^3+ on the right half of the cell E.) What is the max amount of work
asked by lawerence 
Economics
can someone help me put (yuan depreciates against the dollar into one stanza of a song.
asked by Danny 
math
5 and 1/4=4 and what numerator over 4
asked by seld 
chemistry
Copper dissolves in dilute acid ( H2so4) to form a pale blue solution Which of the following equation is correct 1) Cu + H2sO4> CuSO4 + h2 2) Cu + 2H2so4>Cuso4 + 2H20 + 2SO2
asked by clive 
math
line of symmetry
asked by billy 
Science
WHICH SYSTEM HAS THE GREATEST TIDAL EFFECT? EARTHSUN OR EARTHMOON?
asked by Blake 
Probability
There are 9 marbles if 3 different colors where 2 marbles are selected at random without replacement and the probability is 1/6
asked by Tay 
math
Multiplication is defined as repeated addition. Use the word repeated to define exponential form. Justify your reasoning.
asked by yoana 
math
A Thai restaurant offers the curry special: curry vegetables with your choice of beef, chicken tofu or shrimp. Choose yellow curry, green curry or red curry. Drink included: tea or soda. If a customer makes all choices randomly, what is the probability
asked by rosie 
Algebra
A bank teller counts her $10 and $5 bills at the end of the day. The total value of the money is $595. Let f represent the number of $5 bills. I have to write an equation that represents the total value of the money. I know f = 5 and 2f = 10 but I am stuck
asked by Kristen 
geometry
EF is a median of trapezoid ABCD. If the length of EF is 14x, and the length of CD is 20x, what is the length of AB in terms of x?
asked by Anonymous 
accounting
What is the closing entry to allocate a net income of $48,000 to Sara, Ellen, and Mary? Respective capital balances are $30,000, $40,000, and $30,000. No agreement was made for division of income. A. Debit Income Summary $48,000; credit Sara’s Capital
asked by Emi 
Maths Problem
Anyone, Please Help me. the figure is not drawn to scale. it shows two squares. the total area of two squares is 65 sq cm. the length of the smaller square is more that half the length of the larger square. given that the length of each square is a whole
asked by Sarah JJ 
question
Tomorrow is my English exam. do you think I can get high marks?
asked by verver 
Easy math
Question: Susie got the following scores for the first 18 holes of miniature golf: 3,4,2,1,4,4,2,3,4,3,2,1,2,3,3,5,4 and 3. If par for the first 18 holes is 45 strokes, is Susie's stroke total over, under, or equal to par?  Answer: do I add 18 by 45?
asked by Tara 
Chemistry
A piece of metal of mass 18 g at 107◦C is placed in a calorimeter containing 56.5 g of water at 25◦C. The ﬁnal temperature of the mixture is 56.3◦C. What is the speciﬁc heat capacity of the metal? Assume that there is no energy lost to the
asked by Ali 
IDOC
1/b (2b10)=17
asked by Tammy 
Geometry
True or False? In an obtuse triangle all the angles are obtuse. I think it's false but I'm not sure.
asked by Andrea 
physics
Consider three charges arranged in a triangle as shown. +  + 0.266 m 0.599 m −3.4 nC 8.1 nC 4.8 nC y x What is the net electric force on the charge at the origin? The value of the Coulomb constant is 8.99 × 109 N · m2 /C 2 . Answer in units of N. 010
asked by jamie 
chemistry
How many moles are contained in 3.25 L sample of an ideal gas at 25oC and 204 kPa?
asked by linda 
Math
Determine which function has the greater rate of change in this question? These are the points on the graph. A. (1,0), B(0,1) C(1,2) This is the table X, 1,0,1,2 Y, 0,1,2,3 A. The rates of change are equal. B. The graph has a greater rate of change. C.
asked by Dove 
336
Let x represent the number pfessages posted each month on a social netwroking website. Answer: Continuous Let x represent the length of time it takes to get to work. Answer discrete Am i correct???
asked by Aqueen 
Math
A student covers the outside of a show box with construction paper. If the student does not cover the lid, what is the surface area that is covered? Please show work. Possible answers: A) 982.25 B) 1433.50 C) 1964.50 D) 5044.50
asked by Victoria 
algebra
the speed of a passenger train is 6 mph faster than the speed of a freight train. The passenger train travels 330 miles in the same time it takes the freight train to travel 300 miles.Find the speed of each train.
asked by milton 
Math
Q. Sammy loves miniature golf. Last year he played 572 games of miniature golf. Assuming that Sammy played the same number of games each week, how many games per week did Sammy play last year? Hint: there's 52 weeks in a year! A. Do I divide 572 by 52?
asked by Jeanie 
Math
What does a and c stand for in the quadratic function Ax^2+bx+c
asked by M 
chemistry
Please help me with this question. Many thanks. Given a vial of IL23 power 10ug. Calculate the amount of water require to reconstitute so that the final volume will be 100ug/mL.
asked by Venice 
Math
How do you find the quadratic equation, in standard form, that has the roots x= (2±√5)/3
asked by Lily 
Math
A) Let x represent the number of messages posted each month on a social netwroking website. B) let x represent the length of time it takes to get to work. I got A) continuous B) discrete Am i correct??
asked by Aqueen 
Analytic Geometry
the segment XY X(1,2) , Y(4,11) is to be extended to point Z which is 4 itmes the length of XY. Find the coordinates of Z
asked by Camille 
chemistry
Pka of Ch3CO2H is 4.75 What is the equilibrium constant of the equation: Ch3Co2 (aq) + H20 (l) > CH3CO2H(aq) + OH(aq)
asked by lawerence 
Maths
Please help.... The figure is not drawn to scale. It shows two squares. the total area of two squares is 65 sq cm. the length of the smaller square is more that half the length of the larger square. given that the length of each square is a whole number,
asked by JJ.Sarah 
Jee advanced
I got 20 days left for jee advanced. How should I manage time table for preparation
asked by JD 
Math/algebra
Post a New QuestionCurrent Questions Homework Help: Algebra Posted by Kristen on Tuesday, May 5, 2015 at 7:53pm. A bank teller counts her $10 and $5 bills at the end of the day. She has a total of 70 bills. The total value of the money is $595. Let f
asked by Kristen 
chemistry
If 2.29 mL of a stock solution of acetic acid with a concentration of 0.723 M is mixed with 15.75 mL of water, what is the concentration of the diluted solution?
asked by mel