Archives
2013
April

Questions Asked on April 8, 2013

The perimeter of a square is 17.6cm.find the length of one side of the square
1. 3 answers
2. asked by raheim mckenzie
3. 1,223 views
On its highest power setting, a microwave oven increases the temperature of 0.350 kg of spaghetti by 45.0°C in 100 s.(a) What
1. 0 answers
2. asked by taryn
3. 489 views
calculate the ph of titration of 50.0 ml of 0.140 m hclo (aq)
1. 0 answers
2. asked by Aaron
3. 923 views
A 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for
1. 0 answers
2. asked by taryn
3. 900 views
An encyclopedia on cd-Rom would be most appropriate for a typical
1. 1 answer
2. asked by Anonymous
3. 335 views
What volume of 1.0 M HCl would react completely with 0.20 grams of NaC2H3O2*3H2O?It sounds like an equation I would set up as
1. 0 answers
2. asked by Emily
3. 534 views
A single conducting loop of wire has an area of 7.4 10-4 m2 and a resistance of 110 Ω. Perpendicular to the plane of the loop
1. 1 answer
2. asked by Valerie
3. 1,040 views
A single-turn square loop of side L is centered on the axis of a long solenoid. In addition, the plane of the square loop is
1. 1 answer
2. asked by Valerie
3. 1,857 views
*The sum of 6 times the length of a shed. It width is 60ft. What are dimensions that gives maximum area for floor of the shed?
1. 0 answers
2. asked by thomas
3. 818 views
A magnetic field increases from 0 to 0.09 T in 3.0 s. How many turns of wire are needed in a circular coil 20 cm in diameter to
1. 1 answer
2. asked by Valerie
3. 519 views
A mass of 0.22 kg is attached to a spring andis set into vibration with a period of 0.10 s. What is the spring constant of the
1. 1 answer
2. asked by Emily
3. 1,557 views
Please help!!*f(x)= x(x+6)^1/2 find two x intercepts. Then show that f'(x)=0 at some point between the 2 x intercepts. *Use mean
1. 3 answers
2. asked by thomas
3. 550 views
-find the coordinates for all points of inflection . find all intervals on which function has upward or downward concavity?-i
1. 2 answers
2. asked by david
3. 423 views
The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 410 grams and a standard
1. 1 answer
2. asked by MD
3. 3,776 views
Jeanna wants to buy a new boat for her family. She has two payment options. The first option is to pay a cash payment of $7,200.
1. 1 answer
2. asked by Vickie
3. 521 views
convert y=x^2+9x+14 to factored form
1. 1 answer
2. asked by Gabriella
3. 994 views
You drop a 1.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your friend's outstretched hands
1. 2 answers
2. asked by Ariana
3. 1,791 views
A particle hangs from a spring and oscillates with a period of 0.2 s.If the mass-spring system remained at rest,by how much
1. 2 answers
2. asked by Emily
3. 3,895 views
what mass of K2SO4 would you measure out to prepare 350 mL of a .76 M solution? The gram formula mass of K2SO4 is 174.2 g/mol
1. 0 answers
2. asked by Catherine
3. 482 views
find the molality of a salt-water solution containing 0.27 mol NaCl in 150 g water.
1. 0 answers
2. asked by Catherine
3. 557 views
Find the vertex of the parabola.y = -2x2 + 12x - 13
1. 1 answer
2. asked by tammy
3. 1,066 views
A car has a unibody-type frame and is supported by four suspension springs, each witha force constant of 36100 N/m. The combined
1. 0 answers
2. asked by Emily
3. 939 views
Write the expression as a single log. Express powers as factorsln(x/x-5) + ln(x+5/x) - ln(x^2-25)
1. 1 answer
2. asked by Alley
3. 1,084 views
Sodium bicarbonate is often used to neutralize acids, such as the following reaction: NaHCO3 + HCl ---> NaCl + H20 + CO2.What is
1. 0 answers
2. asked by Patricia
3. 537 views
Find a formula for the fourth degree polynomial p(x) whose graph is symmetric about the y-axis (meaning it has no odd powers of
1. 2 answers
2. asked by Dana
3. 5,388 views
How far does the tip of the minute hand of a clock move in 100 minutes if the hand is 3.3 inches long?
1. 1 answer
2. asked by valerie
3. 529 views
What is the expected freezing point of a 3.50 m (m standing for molality)aqueous solution of BaCl2(Kfp= 1.86 degrees Celsius/m)?
1. 1 answer
2. asked by Patricia
3. 952 views
Calculate the mass in grams of glycerol you would need to make 200 g of a 20% (w/w) glycerol solution.
1. 0 answers
2. asked by Anonymous
3. 896 views
How many grams of H2SO4 are contained in 4.5 L of .30N (N standing for normality) sulfuric acid?Help would be much appreciated.
1. 0 answers
2. asked by Daniel
3. 746 views
A newspaper story on AIDS reports that an allele (R) confers complete resistance to HIV when homozygous and that 1% of the human
1. 0 answers
2. asked by MT
3. 539 views
The ratio of two similar prisms is 2:5 the volume of the larger is 375cm3 if sand is being poured into the smaller prism at 3cm3
1. 3 answers
2. asked by Olivia
3. 1,027 views
Suppose that in the past, 94% of all Hispanic grocery shoppers were women. Perhaps due to changing cultural values, we believe
1. 3 answers
2. asked by Jason
3. 1,252 views
A 4.1 kg bundle starts up a 31° incline with 148 J of kinetic energy. How far will it slide up the incline if the coefficient
1. 1 answer
2. asked by Ariana
3. 1,197 views
What are the freezing point and boiling point of an aqueous solution of 15.5 g glucose(C6H12O6) dissolved in 150 g of water?
1. 1 answer
2. asked by Daniel
3. 1,149 views
1. This is the desk. That belongs to Bill.= This is the desk that belongs to Bill. 2. This is the window. Bill broke it
1. 2 answers
2. asked by rfvv
3. 506 views
Thimerosal is an organic compound (gram molecular mass = 404.8 g/mol) used to inhibit bacterial growth. A .100%solution of
1. 0 answers
2. asked by Tyler
3. 670 views
Wondering the answers to these:Find the value of each of the following. Leave your answers as fractions where appropriate. [I
1. 3 answers
2. asked by Daniel
3. 564 views
Given f(x)=-4+lnx; Find the inverse of f. f^-1=?
1. 3 answers
2. asked by Ashley
3. 344 views
Hi!I need help with determining the value of each of the following logarithmic expressions. Do not change the bases- thx a)
1. 1 answer
2. asked by Julia
3. 419 views
For the curve y = log(x+3)determine the following: a) asymptotes, if any. b) intercepts, if any. c) domain and range
1. 1 answer
2. asked by Adam
3. 381 views
an airplane climbs at a rate of 66.8 feet per minute. It descends at twice the rate that it climbs. Assuming it descends at a
1. 2 answers
2. asked by tracey
3. 594 views
So I have a question regarding advanced functions, logarithm stuff.here is the question: Beginning with the function f(x) =
1. 1 answer
2. asked by Matthew
3. 1,026 views
In the theories of development, Who is the founder of the cultural theory?
1. 3 answers
2. asked by Anonymous
3. 453 views
i nead to find to the nearest degree all values of theta in the interval 0 x 360 that satisfy the equation 3 cos 2 theta+ sin
1. 1 answer
2. asked by Anonymous
3. 865 views
How do you convert 7 to the square root of 2 into a decimal?Also, how do you convert 3 to the square root of 8 into a decimal?
1. 2 answers
2. asked by Danny
3. 373 views
Use properties of logarithms to find the exact value of each expression. Do not use a calculator.8^log 8^5
1. 3 answers
2. asked by Kendall
3. 501 views
A 72.2 g ice cube floats in the Arctic Sea. The temperature and pressure of the system and surroundings are at 1 atm and 0°C.
1. 0 answers
2. asked by Bree
3. 658 views
A solution containing a mixture of metal cations was treated with dilute HCl and no precipitate formed. Next, H2S was bubbled
1. 3 answers
2. asked by Brunost
3. 8,973 views
This is highly advanced qquestion. You have a basket draw, and you have 14 balls left form 39 ballsand 5 number will comes out
1. 0 answers
2. asked by behzad yousefzadeh
3. 1,001 views
two cars 200meters apart drive towards one another. If one car travels at 12 meters/s and the other at 26 meters/s how long does
1. 0 answers
2. asked by colin
3. 369 views
this is a really long question. i don't understand how to answer it. help please.A 10.0% aquueous solution of sulfuric acid has
1. 1 answer
2. asked by Nicole
3. 967 views
Pansori is a kind of Korean folk play.1. Bill is doing pansory at the school talent show. 2. Bill is presenting pansory at the
1. 1 answer
2. asked by rfvv
3. 486 views
At a certain college, there were 780 science majors, 320 engineering majors, and 390 business majors. If one student was
1. 1 answer
2. asked by Lynn
3. 562 views
an apartment building has the following apartments:2 bdrm 3 bdrm 4 bdrm 1st floor
1. 1 answer
2. asked by Lynn
3. 416 views
An apartment building has the following apartments:2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an
1. 1 answer
2. asked by Lynn
3. 607 views
According to an Internet posting, 65% of adults enjoy drinking soda. Choose a group of 12 adults at random. The probability that
1. 0 answers
2. asked by Lynn
3. 367 views
A coin is tossed 4 times. Find the probability that the 4th toss is a tail, given that the first 3 tosses were all heads.
1. 0 answers
2. asked by Lynn
3. 416 views
Tom Cruise is reported to be 5'7.8" tall. Male heights are normally distributed with a mean of 70 inches and a standard
1. 1 answer
2. asked by Rebecca
3. 1,127 views
The number of movies shown in different theatres on Saturday morning in a small city is given in the following.x P(x) 1 0.15 2
1. 0 answers
2. asked by Lynn
3. 437 views
Find the mean of the distribution shown.x 2 5 7 P(x) 0.28 0.42 0.30 What is the mean and the standard deviation of this
1. 0 answers
2. asked by Lynn
3. 362 views
A multiple choice quiz consists of 20 questions, each with 3 possible equally likely answers. If a student guesses at the answer
1. 1 answer
2. asked by Lynn
3. 639 views
an aqueous solution solution of sodium borate is sometimes used to to fire-proof wood.a. what is the molarity of 2.50 L of
1. 1 answer
2. asked by Jessica
3. 1,553 views
1. He is doing voices of the former President Kim Youngsam at the school talent show.2. He is imitating the voices of the former
1. 1 answer
2. asked by rfvv
3. 419 views
dr. halite combined sodium metal with chlorine gas to make sodium chlorine (table salt). The chemical reaction used up all of
1. 3 answers
2. asked by artie
3. 1,282 views
Where is the misplaced or dangling modifiers? 1.Climbing a mountian, fitness becomw all important.
1. 1 answer
2. asked by shanna
3. 464 views
Solve the exponential equatione^x + e^-x = 6
1. 1 answer
2. asked by Tiffany
3. 915 views
Assume that 60% of community college students are female.1) if we pick 100 students at random justify why we can or cannot model
1. 0 answers
2. asked by Katy
3. 438 views
five joules of work are needed to shift .5 C of charge from one place to another. the potential differences between the places
1. 0 answers
2. asked by Susan
3. 388 views
i need help solving this problem -58x-26=8x-230.6 please help need to see how u get the answer
1. 1 answer
2. asked by teanna
3. 427 views
how much energy is stored in a 9 volt battery rated at 10 a hour
1. 1 answer
2. asked by Susan
3. 872 views
65 chemical engineering students are from urban/suburban backgrounds.(Success is defined as a C or better in the course.) 52 of
1. 0 answers
2. asked by Sejul
3. 477 views
sound can not travel through
1. 0 answers
2. asked by Susan
3. 347 views
The value in dollars, V, of a certain stock can be modeled by the equation V=-16+88t+101, where t represents the time in
1. 1 answer
2. asked by Mark
3. 365 views
compute the following items for lone pine company for 20x2, rounding all calculations to two decimal places when necessary
1. 0 answers
2. asked by tracy
3. 964 views
The value, V< of Juan's investment portfolio can be modeled by the equation V=16t^2-256t+16,000. When will Juan's investment
1. 2 answers
2. asked by Mark
3. 421 views
1._____ is the chemical reaction in cells that needs oxygen to release energy and produces carbon dioxide and water as waste. (1
1. 6 answers
2. asked by Anonymous
3. 1,655 views
I need an expression written for the following logs using "sum, difference, or multiple of logarithms."a) log[base(2)] ((x^2) -
1. 1 answer
2. asked by Roberto
3. 495 views
Need help with these:Write the expression as a logarithm of a single quality. a) 3log[base5](a) + 4log[base5](b) -
1. 2 answers
2. asked by Tom
3. 599 views
Ok.."The strongest recorded earthquake in the world took place in Child on May 22, 1960. It had a magnitude of 9.5 on the
1. 0 answers
2. asked by Josh
3. 455 views
A study of two groups of children since early childhood:One group of 62 attended preschool. A control group of 61 children from
1. 0 answers
2. asked by Jose
3. 466 views
Assume that 60% of community college students are female.1) If we pick 10 students at random justify why we can or cannot model
1. 0 answers
2. asked by Jose
3. 484 views
Math systems3x-2y-z=-20 x-y=10
1. 1 answer
2. asked by chris
3. 326 views
1.Calculate the pH of a buffer solution that contains 0.32 M benzoic acid (C6H5CO2H) and 0.17 M sodium benzoate (C6H5COONa). [Ka
1. 2 answers
2. asked by Erin
3. 1,529 views
what is the second derivative of (x^3-6x)^11 that is fully simplex
1. 1 answer
2. asked by Molly
3. 298 views
air is being pumped into a spherical balloon at a rate of 8 cm^3/min. Find the rate at which the radius of the balloon is
1. 1 answer
2. asked by marisol
3. 901 views
a spherical balloon's radius was measured to be 30 cm with a maximum possible error of 0.2 cm.a) use differentials to estimate
1. 1 answer
2. asked by marisol
3. 1,189 views
if a ball is thrown vertically upward with an initial velocity of 48 ft/s, then its height, s, after t seconds is given by s(t)=
1. 2 answers
2. asked by moises
3. 1,861 views
An object at rest begins movinghorizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose,
1. 0 answers
2. asked by Rosie
3. 688 views
1.Calculate the pH of a buffer solution that contains 0.32 M benzoic acid (C6H5CO2H) and 0.17 M sodium benzoate (C6H5COONa). [Ka
1. 1 answer
2. asked by Erin
3. 1,108 views
Could you show me how to do these math systems and show your work so i understand how to do them.1) 3x+2y+4z=19 2x-y+z=3
1. 2 answers
2. asked by hal
3. 570 views
While you're working in a sales office, the office manager says that the sales staff should try to use an empathetic tone when
1. 2 answers
2. asked by Bianca
3. 473 views
Can someone please help me with this I am not getting the same answers as the examples in the book.U={1,2,3,4,5,6,7,8}
1. 4 answers
2. asked by Carol
3. 1,049 views
Identify and describe 3 enviromnmental health hazards that cause ill health, accidents, crisis, and disasters
1. 1 answer
2. asked by Portia
3. 401 views
Find the exact values of sin 2 theta, cos 2 theta and tan 2thea using the double angle formulasin theta = 3/4 , pi/2 < theta <
1. 1 answer
2. asked by Jiskhaa
3. 586 views
how to find volume of a triangle
1. 1 answer
2. asked by VLB
3. 302 views
given that:delta H [Cl(g)]=121.3 kJ*mol^(-1) delta H [C(g)]= 716.7 kJ*mol^(-1) delta H [CCl(subscript 4)(g)] =-95.7kJ*mol^(-1)
1. 0 answers
2. asked by anonymous
3. 627 views
Draw a Lewis structure for SO(subscript 2) in which all atoms obey the octet rule. Show formal charges.Draw a Lewis structure
1. 0 answers
2. asked by anonymous
3. 811 views
Critically discuss ten ways in which the environmental health hazards can impact on one's health
1. 1 answer
2. asked by prudence
3. 486 views
three ways in which enviromental health hazard can contribute to ones ill health
1. 1 answer
2. asked by frans
3. 413 views
two blocks are connected by a light rope over a pulley fixed at the edge of a table such that bloc A, 16kg is a the table top
1. 0 answers
2. asked by ashton
3. 594 views

Back to April 2013

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024