Questions Asked on
October 17, 2015

HELP CALCULUS
Find dy/dx by implicit differentiation. tan−1(4x2y) = x + 3xy2
asked by Anonymous 
Chemistry
which gas sample has the greatest volume at STP? a)10.0g Ar b)10.0g Kr c) 10.0 g Xe d) none of the above (They all have the same number)
asked by Mark 
Algebra 2
Which set of ordered pairs in the form of (x, y) does not represent a function of x? {(0, 2), (1, –1), (2, 3), (3, –2)} {(0, –2), (1, 1), (2, 3), (3, –2)} {(0, 2), (–1, –1), (2, –3), (3, 2)} {(0, 2), (1, 2), (1, –2), (3, 2)}
asked by Sandra 
Business Math
What will be the total deduction for social security and Medicare taxes on Rony's next semimonthly paycheck of $3,960.00, if she has already earned $42,560.00 this year? (Social security tax is 6.2% of gross wages up to $106,800. Medicare tax is 1.45% of
asked by Vic 
chemistry
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2 (g) and H2O (g) and releases 5.16x10^3 kJ/mol sucrose. a) Write a balanced thermochemical equation for this reaction. Make sure to
asked by patrick 
Chemistry
A 255mL gas sample contains argon and nitrogen at a temperature of 65 degrees celsius. The total pressure of the sample is 725mmHg and the partial pressure of argon is 231 mmHg. what mass of nitrogen is present in the sample?
asked by Mark 
Chemistry
A gas mixture in a 1.55L at 298K container contains 10.0g Ne and 10.0g Ar. Calculate the partial pressure " in atm" of Ne and Ar in the container
asked by Mark 
Algebra 2
Does this verbal phrase translate into the algebraic expression correctly? The quotient of seven times a number and three (7x) / 3
asked by Lou 
Math
a cell phone company offers the following plan: monthly charge (which includes 500 minutes) for $40 and a charge for additional minutes will be 5 cents a minute. write a piecewise function function putting x&y terms that can be used in any # or minutes. I
asked by Brianna 
physics
An elevator is moving upward with a speed of 11 m/s. Three seconds later, the elevator is still moving upward, but its speed has been reduced to 5.0 m/s. What is the average acceleration of the elevator during the 3.0 s interval? a.5.3 m/s2, upward b.2.0
asked by N 
Business Math
The weekly payroll of Abkar Hardware includes 19 employees who earn $280.00. How much is the employer's share of total social security and Medicare taxes for the first quarter of the year?
asked by Vic 
History
Can someone check my history questions? Please? 1) Republicans were responsible for the passage of the Thirteenth Amendment, which effectively nullified the Threefifths Compromise. Why was this an issue of concern for Republicans? A) because it meant that
asked by Abby 
Math
Find the area of the parallelogram. 13 times 8
asked by gavin 
Physics
At t=0 a particle leaves the origin with a velocity of 5.0 m/s in the positive y direction, its acceleration is given by a=3i2j m/s^2 At the instant the particle reaches its maximum y coordinate, how far is it from the origin? I'm not sure how to do a
asked by alyssa 
Business Math
The last semimonthly payroll of Garcia Carpentry was $84,248 of gross wages for 38 employees. The company pays 5.2% of payroll for vacations and sick leave and $72.22 per employee for health insurance. What percent of payroll is the total cost of fringe
asked by Vic 
math
Find the length of a guy wire that makes an angle of 45.5 degrees with the ground if the wire is attached at the top of a tower 63.0 meters high
asked by Ashley 
Math
Could someone please check my questions? My answers are under the questions... and any help will be greatly appreciated 33. Jane works at the public library after school. She makes $7.00 per hour. She cannot work more than 15 hours per week. If y = 7x
asked by Abby 
Science
1. True or False: If the net force of an object is 0 N, the forces are considered unbalanced. (True) 2. Which of the following forces causes a feather to fall slower than a blowing ball? gravity © rolling friction sliding friction air resistance 3. A
asked by Halie 
Multicultural Psychology
“I have a big nose and my hair is too straight. I just can’t seem to do anything right!” These statements are a reflection of: A. the fundamental attribution error. B. standup comedy. C. ethnic joke. D. Barnum statement. I looked up each answer and
asked by Pat 
M@them@tcs
on @ Gp.the 4th term exceed 3rd term by 72 nd 3rd term exceeds 2nd term by 24.fnd the frst four term of the progressn.
asked by Muhmmed sheu 
Biology
Which features are common to all cells? Check all that apply. All cells have cytoskeleton lysosomes vacuoles the cytoplasm flagella and fimbriae photosynthetic membranes the plasma membrane ribosomes the cell wall genetic information (DNA) in chromosomes
asked by Anonymous 
Calculus
The measurement of the side of a square is found to be 12 cm with a possible error of 0.05 cm. Use differentials to estimate the propagated error ΔA in computing the area of the square. Please do not include the ± symbol in your answer. Round your final
asked by olga 
maths
five years ago juhi was three times as old as amreen. 10 years later juhi would be twice as old as amreen. how old are they?
asked by shehzad 
chemistry
A mixture of carbon and sulfur has a mass of 9.0 g. Complete combustion with excess O2 gives 29.7 g of a mixture of CO2 and SO2.
asked by Anonymous 
Physics
Initially, a particle is moving at 4.00 m/s at an angle of 33.5 degrees above the horizontal. Two seconds later, its velocity is 6.45 m/s at an angle of 60.0 degrees below the horizontal. What was the particle's average acceleration during these 2.00
asked by Hailey 
MATH
How many squares of side 5 inches can be cut from a piece of cartolina 48 inches long and 36 inches wide. What area of the paper will be wasted?
asked by ROLAN 
Chemistry
A mixture of carbon and sulfur has a mass of 9.0 g. Complete combustion with excess O2 gives 29.7 g of a mixture of CO2 and SO2.Find the mass of sulfur in the original mixture.
asked by Anonymous 
Chemistry
Please check the following. 1. What compound is sodium sulfite? My answer:Na2SO3 2. Which element is a noble gas? a. N2 b. Cl2 c. Xe d. I2 My answer: c 3. Which element is most likely to form a cation with a 2+ charge? a. S b. P c. Be d. Al My answer: c 4.
asked by Anonymous 
Physics
A 72 kg skier leaves the end of a skijump ramp with a velocity of 24 m/s directed 25◦ above the horizontal. The skier returns to the ground at a point that is 14 m below the end of the ramp with a total speed of 22 m/s. (a) What is the rate at which the
asked by Adam 
math
Could someone please check my questions? My answers are under the questions... and any help will be greatly appreciated 33. Jane works at the public library after school. She makes $7.00 per hour. She cannot work more than 15 hours per week. If y = 7x
asked by Abby 
maths
in an AP the third term is equal to five times the sixth term. the second term is lesser by 3 than twice the fourth term. find the term of AP
asked by vagdevi 
Chemistry
Please check the following. 1. What compound is sodium sulfite? My answer:Na2SO3 2. Which element is a noble gas? a. N2 b. Cl2 c. Xe d. I2 My answer: c 3. Which element is most likely to form a cation with a 2+ charge? a. S b. P c. Be d. Al My answer: c 4.
asked by Anonymous 
GGIS
A vertical radio mast is supported by wires attached to its top and to points on the level ground 9m from its base. If each wire is 31m long m, find the height of the mast.
asked by damilola 
algebra
Using the rational zeros theorem to find all zeros of a polynomial The function below has at least one rational zero. Use this fact to find all zeros of the function h(x)=7x^49x^341x^2+13x+6 if more than one zero, separate with commas. Write exact
asked by Pat 
Math
please solve 30 is 2 less than____ 35 is more than 40 ____
asked by Kankona Dubey 
Spanish
Como mi madre no sabe hablar espanol yo (traducir) para ella cuando el hombre de Costa Rica nos (decir) las direcciones Traduci and dijeron?
asked by Anonymous 
AP Chem (Thank you for help)
Hey guys! Stuck on some Redox Reactions. I tried my best to put as much work as I could, but I'm super stuck on these ones. Thanks for any help: 1) Balance the equation as written, what is the coefficient for O2? NH4+ + O2>NO2− + H2O (in basic
asked by Allie 
chemistry
∆H of ★Ca(HCO3)2→CaCO3 + CO2 + H2O and ★Ca(HSO4)2→ CaSO4+ SO2 + H2O???
asked by Mohammad Seyam 
Science
A block of mass m is placed on a triangular block of mass M Which in turn Placed on a horizontal frictionless Surface find the velocity of the triangular block when the smaller block reaches the bottom end
asked by Shubhrajeet Mondal 
Chemistry
A student dissolved 1.62 g of calcium bicarbonate into 500. mL of water. Excess amount of hydrobromic acid was then added to the solution until bubbling stopped. At STP, what approximate volume (in L) of the gaseous compound would be produced in this
asked by May 
business law
Frank was invited to a party at a friend’s home to watch the Super Bowl (football game). He was so disgusted with the way his team was playing that he offered to sell the first person who gave him a $1, his rare team jacket worth about $800. Jeff gave
asked by shawn 
calculus
solve the differential equation that satisfies the given condition: dy/dx=(ycos(x))/(6+y^2), y(0)=1
asked by Lauren 
chemistry
Use a balanced redox equation to answer the following question. 71.7 mL of 1.13 x 104 mol L1 potassium ferricyanide solution is required to react completely with 43.9 mL of ascorbic acid solution (under acidic conditions). What is the concentration of
asked by hm 
Multi Cultural Psychology
A friend reasons that because (according to his assumption) all Asians like spicy food, his Korean neighbor must like it as well. What cognitive strategy did he use when estimating this probability? A. Representatives B. Heuristic C. Schemas D. Continuous
asked by Pat 
Spanish
Ellos (traer) la pintura a su casa y todos le (dar) a ella una carta bonita. Trajeron and dio?
asked by Anonymous 
history
in both the french and indian war and the american revolutionary war, european countries fought for control of north america. what was the main difference between these two wars?
asked by pls help 
math
Is Increasing the Venture Orientation of a Firm always a Good Thing? Or are there Circumstances or Environments in which the further pursuit of Opportunities can diminish Firm Performance?
asked by mae 
Physics
A 2.9 kg brick has a kinetic coefficient of friction of 0.33. what force must be applied to the brick for it to move at a constant velocity? Show work
asked by hamza 
Spanish
Quien (poner) mis libros en el piso? Pusieron?
asked by Anonymous 
Algebra 2
Does this verbal phrase translate into the algebraic expression correctly? Five more than a number divided by four x/4+5
asked by Joan 
maths
ali's father was five times as old as Ali 7 1/2 years ago.After 7 1/2 years father will be twice as old as ALI .what are their present ages?
asked by atish patel 
physics heat flow problems.
b. Two metallic rods A and B with similar length and cross sectional area are joined together and all curved surfaces are insulated. At steady state, the temperatures at their ends are shown in the figure below. The thermal conductivity of A is twice that
asked by mais 
chemistry
How can I collect carbon dioxaide gas(CO2) from mixture of (SO2, CO, NO2, CO2) gases??
asked by Mohammad Seyam 
Luhlaza high school
A car is stationary at first it moves off with an acceleration of 2m.s Calculate how fast it will be moving after 10s
asked by Aluncedo 
Chemistry Dr. Bob
Please check the following. 1. What compound is sodium sulfite? My answer:Na2SO3 2. Which element is a noble gas? a. N2 b. Cl2 c. Xe d. I2 My answer: c 3. Which element is most likely to form a cation with a 2+ charge? a. S b. P c. Be d. Al My answer: c 4.
asked by Anonymous 
physics
You are driving on a very long, very straight 2 lane road, stuck behind a lorry which travels at a constant 75 km/hour. You want to overtake the lorry, which has a length of 12.0 m. You car is 3.8 m long. To overtake the lorry, and to do this safely, you
asked by Anonymous 
physics
You are driving on a very long, very straight 2 lane road, stuck behind a lorry which travels at a constant 75 km/hour. You want to overtake the lorry, which has a length of 12.0 m. You car is 3.8 m long. To overtake the lorry, and to do this safely, you
asked by Physics 
maths
the ages of aryan and arjun are in the ratio 5:7 gour years later their ages will be in the ratio 3:4. find their ages
asked by shehzad 
logarithm
If log base 2 of x and log base 2 of y are distinct positive integers and log base x of 2 plus log base y of 2 equal to 0.5. xy=?
asked by Julie 
Calculus
Determine the linear approximation of 21/2. Express your answer as a reduced fraction in the form a/b.
asked by olga 
Math (help)
find the zeros of the function: f(x)=2x^4 x^3 +7x^2 4x 4 ...
asked by Sophia 
business law
The people of Alberta are tired of Canadians from other provinces taking their construction jobs and so the legislature of Alberta has enacted a law saying that from now on only people who have lived in Alberta for more than two years can get a job in the
asked by anthony johnston 
Math
Jonathan was born 6 years before william. In 2000, Jonathan's age was 2 years more than four times the age of william in 1995. How old will william be in 2020?
asked by Anonymous 
Chemistry
Convert: 10 cm = ? m Convert your answer to scientific notation.
asked by Anonymous 
St Eugene university
Solve x^2 times second derivative 3x times first derivative 5y =sin(logx) my solution is integrating both sides we have sinxlogx
asked by Daniel 
Math
A number is chosen at random from among all 5digit numbers containing only the digits 1,2,3,4, and/or 5. Find the probability that the digits are all different.
asked by Julie 
Calculus also need help plz plz plz
If z=1/(x^2+y^21) is x(dz/dx)+y(dz/dy)=2z(1+z) or z^2(1+z) note:dz/dx=partial derivative of x and dz/dy=partial derivative of y??
asked by Collins 
physics
An astronaut was working on the exterior of her spaceship tightening a bolt with her wrench. The astronaut and a spaceship both experience weightlessness and become separated from each other. Suggest a way in which the astronaut can use her knowledge of
asked by Mike 
math
Solve the problem. Make sure your answer is in simplest form and improper fractions are expressed as mixed numbers. A.6/12 B.6/35 C.7/35 D.7/30
asked by diego 
Physics
Ivan rides his motorcycle 4.5 times around a circular track that has a radius of 100 m a)what is the distance traveled and b)what is the displacement?
asked by Isha 
Biology
What holds nitrogen bases together in a Double Helix? (DNA)
asked by Anonymous 
Calculus
Which of the following is the linear approximation formula, L(x), that estimates values of y = ln(x) + 1 for values of x near 1? a) y = x  1 b)y = x c)y = x + 1 d)y = x
asked by olga 
Calculus
The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (3, 2) where f'(c)=0. f(x) = x + 6x1 , [3, 2] Round your answer to two decimal places.
asked by olga 
algebra
Using the rational zeros theorem to find all zeros of a polynomial The function below has at least one rational zero. Use this fact to find all zeros of the function g(x)=5x©ù28©ø48x©÷8x+7 if more than one zero, separate with commas. Write exact
asked by Pat 
History
Does anyone know what impact has gothic architecture had on modern architecture?
asked by David 
business law
Gina and Jules were shopping together when they decided to buy lottery tickets. Each bought one ticket and agreed that if either won, they would split the winnings. Two days later, Gina discovered that she had won. She refused to share with Jules. 2 of 2
asked by brett 
physics
a car accelerating from reast at 2m/s2 for 5s?..
asked by ibrahim 
english
what is the meaning of the phrases frightened the life out,got down on hands and knees and stuck his nose in the air
asked by muhammad 
Algebra 2
I am stuck on this problem that I have tried to solve so many times! The question is:The length of a rectangle is four more than twice the width. If the perimeter of the rectangle is 32 cm, what are the length and width of the rectangle? Here is my work:
asked by Mick 
science
For the monatonic gas in #3,estimate the momentum of the gas for a particle mass of 3x10^4g
asked by gift 
English
Which of the following uses imagery The wolf is three years old It is now late in the afternoon His ears are rammed forward stiff** It is not a time of year for much howling Pls help
asked by Bubbles 
maths
10 scores have a mean of 85.4, but one was enetered at 75 when it should have been 57 what is the new mean?
asked by diane 
Health science
Make lists of factors that makes your lives stressful and explain how each impacts your physical health and fitness. Please help I'm confused
asked by Sara 
math mtap
what is the solution of 60cm by 48cm.the answer is 20
asked by conan 
English
how is the movie beauty and the beast artistic expression
asked by Yasmine 
Math
What is 2/7 divided by 5/6 in simplest form?
asked by gavin 
math
Each sheet of metal is 2.9 centimeters thick. If Mary stacks 20 sheets on top of each other, how thick will the stack be? 2.9/ 20=.145
asked by haya 
Math
Write the word sentence as an equation. The product of a number n and 2 is 2.
asked by gavin 
maths
after 20 years i will be 5 times as old as i was 8 years ago. what is my present?
asked by shehzad 
english
Why are all the school bus yellow? A) schools B) busses
asked by dondi 
English Writing parts of speech
Why are all the school bus yellow? A) schools B) busses
asked by dondi 
Math
2 is less than 30 5 more than 35 is
asked by Kankona Dubey 
Math
30 is 2 less than 45 is 9 more than
asked by Kankona Dubey 
Calculus badly need help so difficult
If y=ws^3/d^4 find the percent increase in y when w increase by 2% s decrease by 3% and s decrease by 1% plz show the full solution the question is byond my power
asked by Collins 
Sports Finance
I have to develop the year one operating budget of a new NHL Arena that costs $170 million. Also, I will have to complete a year one through five revenue and expense profit/loss forecast. What do I include in both of this budgets? Any examples that might
asked by Hagazaki 
Spanish
whats the difference between stem changing in the present tense and the preterite
asked by Anonymous 
Biology
What are the four nitrogen bases of a DNA nucleotide
asked by Anonymous 
Biology
What are three sub unites or parts of a nucleotide
asked by Anonymous 
Biology
What do Nucleotide Chains create
asked by Anonymous 
Calculus
The function defined below satisfies the Mean Value Theorem on the given interval. Find the value of c in the interval (1, 2) where f'(c)=(f(b)  f(a))/(b  a). f(x) = 1.5x1 + 1.1 , [1, 2] Round your answer to two decimal places.
asked by olga 
Calculus
The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (0,1) where f'(c)=0. f(x) = x3  2x2 + x, [0, 1] Round your answer to two decimal places.
asked by olga 
Math (sequence)
A sequence is generated where is term is equal to the sum of to preceding terms. If the first 2 terms are 1 and 2, what is the fifth term? Please explain the logic.
asked by ER 
Spanish
Qué te (pedir) tu papá que hicieras? Pediste or Pidio?
asked by Anonymous 
Algebra 2
Did I translate this verbal phrase into an algebraic expression correctly? The product of a number and fiftyfive 55x
asked by Jasmine 
Algebra 2
Did I translate this verbal phrase into an algebraic equation correctly? The quotient of ten less than a number and 8 (x10)/8
asked by Jas 
chemistry
is that a 56? Dr. BOb. thank you When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the
asked by patrick 
Spanish
Whats the difference between stem changing in the present tense and the preterite?
asked by Anonymous 
Algebra 2
So I solved this problem but, strange as it sounds, I don't know how to do the work. Here's the question: One number is eight less than another number. The sum of the numbers is eighty. Find both numbers. Here's what I've got: y8=x x+y=80 x=36 y=44 I
asked by Louis 
Chemistry
What is the name of CrS subscript 3? Chromium (III) Sulfide? But S has a 2 charge... 2(3)=6 Cancellation of the charge need to occur. I don't understand this.
asked by Anonymous