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Questions Asked on October 28, 2011

(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 23.2 m. Assume the density of the water is
1. 4 answers
2. asked by Allie
3. 11,401 views
Suppose that p(x) is the density function for heights of American men, in inches, and suppose that p(69)=0.22. Think carefully
1. 1 answer
2. asked by Cesar
3. 5,823 views
why didn't the circus managers want their human cannonball to quit?
1. 15 answers
2. asked by marcus
3. 5,735 views
how many kilojoules of heat must be transferred to a 480 g aluminum pizza pan to raise its temperature from 22 degree c to 234
1. 3 answers
2. asked by Justin
3. 4,970 views
A stationary bicycle is raised off the ground, and its front wheel (m = 1.3 kg) is rotating at an angular velocity of 14.0 rad/s
1. 1 answer
2. asked by Anonymous
3. 3,981 views
Find the value of X:Given: segment RS is congruent to segement ST, measure angle RST = 7x-54, measure angle STU = 8x
1. 6 answers
2. asked by Kirby
3. 3,697 views
A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the
1. 5 answers
2. asked by Samuel
3. 3,443 views
1)SOLVE:a) 2nP3 = 2(nP4) b)6(n+1P2) = 3nP2 2) If (nC12 = (nC8), find (nC17) and (22Cn) 3)simplify. a) n(squared) (n-2)! -
1. 3 answers
2. asked by Jane
3. 3,355 views
When x² - 3x + 2k is divided by x + 2, the remainder is 7. Find the value of k. Use synthetic division to do so.
1. 1 answer
2. asked by Peter
3. 3,341 views
Jan says if you double each of the dimensions of a rectangular box, it will take twice as much wrapping paper to wrap it. How do
1. 2 answers
2. asked by unknown
3. 3,059 views
The manager of a large apartment complex knows from experience that 80 units will be occupied if the rent is 460 dollars per
1. 2 answers
2. asked by Anonymous
3. 3,040 views
Calculate the solid needed to make a 250ml solution that is 0.34M in sodium cation, using sodium sulfate decahydrate. I came up
1. 1 answer
2. asked by Denise
3. 3,037 views
An arcade uses 3 different colored tokens for their game machines. For $20 you can purchaseany of the following mixtures of
1. 3 answers
2. asked by laurie
3. 2,754 views
The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P
1. 2 answers
2. asked by Ahmad
3. 2,621 views
a 160g hockey puck slides horizontally along the ice, and the coefficient of kinetic friction between puck and ice is 0.15. if
1. 2 answers
2. asked by annie
3. 2,542 views
Predict the formal bond angles about the central atom for the following molecules: TeBr4Express your answers using three
1. 3 answers
2. asked by Caitlin
3. 2,492 views
x^3 + y^3 = 6xyAt which point is the first quotient of the tangent is horizontal?
1. 2 answers
2. asked by Yousef
3. 2,032 views
Suppose that p(x) is the density function for heights of American men, in inches, and suppose that p(69)=0.22. Think carefully
1. 1 answer
2. asked by Cesar
3. 1,977 views
A ball has a diameter of 3.70 cm and average density of 0.0841 g/cm3. What force is required to hold it completely submerged
1. 1 answer
2. asked by Allie
3. 1,787 views
guy wire is attached to a pole for support. If the angle of elevation to the pole is 67° and the wire is attached to the ground
1. 2 answers
2. asked by shye
3. 1,759 views
A car is moving at 20 m/s. The driver applies the brakes and the car decelerates at 1 m/s2. How long will it take the car to
1. 2 answers
2. asked by Terry
3. 1,733 views
5.85 g of sodium chloride(NaCl) is dissolved in 250 mL OF solution. Calculate mass percentage of the solute.
1. 3 answers
2. asked by Dewa
3. 1,627 views
Calculate the mass of solid neded to make 500ml of solution that is 0.25m in sulfate ion, using sodium sulfate decahydrate.
1. 2 answers
2. asked by Emily
3. 1,627 views
Find all values of a such that y=a/(x−8) and y=x^2−16x+64 intersect at right angles?please how the steps :)
1. 5 answers
2. asked by mehak
3. 1,561 views
Ethanol and carbon dioxide have approximately the same molecular weight, yet carbon dioxide is a gas at STP and ethanol is a
1. 1 answer
2. asked by Anonymous
3. 1,544 views
Calculate the pressure exerted on your finger if you hold up a 15-pound box of apples.
1. 1 answer
2. asked by Steve
3. 1,511 views
a figure skater must trace a figure eight on the ice that consists of two perfect circles, each with radius 11 feet. How far
1. 1 answer
2. asked by unknown
3. 1,493 views
penn foster exam number 05054100 need all the answers.
1. 2 answers
2. asked by moo
3. 1,471 views
as 390 g of hot milk cools in a mug, it transfers 30,000 J of heat to the environment. What is the temperature change of milk?
1. 1 answer
2. asked by Justin
3. 1,470 views
A draw contains 3 black socks and 2 white socks. A sock isdrawn at random and then replaced. Find each probability. p(2 black)
1. 1 answer
2. asked by sherry
3. 1,455 views
A plane passes over point A with a velocity of 8000 m/s north. Forty seconds later it passes over point B at a velocity of
1. 1 answer
2. asked by .......
3. 1,435 views
for the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluable
1. 1 answer
2. asked by carly
3. 1,434 views
Maria has $5.05 in quarters and dimes. The number of quarters exceeds twice the number of dimes by 1. Find the number she has of
1. 1 answer
2. asked by Emily
3. 1,428 views
assume that a parcel of air is forced to rise up and over a 6000 foot high mountain. The intial temperature of the parcel at sea
1. 0 answers
2. asked by nissa
3. 1,414 views
a 100 cm cube gas cylinder filled with chlorine under 160 torr pressure is connected by stop clock with another cylinder of 400
1. 3 answers
2. asked by afshan
3. 1,378 views
Two parallel chords of lenght 24cm and 10cm which lie on opposite side of a circle are 17cm apart. Calculate the radius of the
1. 3 answers
2. asked by Omol
3. 1,351 views
find all numbers for which the rational expression is undefinded8/8z+7 I think the expression is undefined for all real numbers
1. 5 answers
2. asked by Katie
3. 1,349 views
A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of
1. 2 answers
2. asked by Anonymous
3. 1,310 views
. There is a strongly linear association between the weight of a football player and the time in seconds it takes for that
1. 1 answer
2. asked by Cath
3. 1,255 views
A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (editing)
1. 1 answer
2. asked by Billy
3. 1,246 views
Find the value of zα/2 to construct a confidence interval with level:a. 95% b. 98%
1. 2 answers
2. asked by Ayuda!!!
3. 1,242 views
Need to draw a single line under the Complete Subject, and a double line under the Complete Prediate. Thanks?1. Hundreds of were
1. 2 answers
2. asked by Ann
3. 1,214 views
What is the next number in the sequence 270, 27, 2.7,0.27
1. 2 answers
2. asked by William
3. 1,209 views
The width of a rectangle is 4 meters more then 1/3 its lenght. the perimeter is 64. Find the lenght and width
1. 2 answers
2. asked by sam
3. 1,206 views
What effect did ataturks radicalin turkey have on nationalists in neighoring iran?A. Iranian nationalists scaled back their
1. 4 answers
2. asked by Ciara's Sister
3. 1,179 views
A 1000·kg car traveling with a velocity of 13·m/s north collides head-on with a 2000·kg truck traveling with a velocity of
1. 2 answers
2. asked by jr
3. 1,175 views
(5) In this experiment MnO4-is reduced to Mn2+ by the unknown. What is the equivalent weight of MnO4- for this experiment? 52.68
1. 1 answer
2. asked by bry
3. 1,154 views
Find the ending balance in an account that opens with $6,950, earns 10.5% interest compounded monthly, and is held for 15 years.
1. 2 answers
2. asked by Help
3. 1,145 views
I was wondering if I paraphrased correctly.The original article is:(my work is at the end ) Known as the "Napoleon of the
1. 0 answers
2. asked by zahra
3. 1,119 views
How many grams of methane must be combusted to heat 1.05 of water from 24.0 to 89.0, assuming as a product and 100% efficiency
1. 0 answers
2. asked by Collin
3. 1,111 views
(a) Calculate the mass flow rate (in grams per second) of blood (ρ = 1.0 g/cm3) in an aorta with a cross-sectional area of 2.0
1. 0 answers
2. asked by caitlin
3. 1,105 views
a phone company charges a flat monthly fee of $15 for cell phone services, plus an additional fee for every minute you talk. in
1. 2 answers
2. asked by abigail
3. 1,082 views
juan says,"When you put together unequal groups, you can only add." is he correct? Explain
1. 2 answers
2. asked by Alex
3. 1,070 views
a 50 kg person has a weight of 80 N on the surface of the moon what is the acceleration due to gravity
1. 1 answer
2. asked by Lea
3. 1,066 views
An arrow is shot at 29.0° above the horizontal. Its initial speed is 54 m/s and it hits the target.(a) What is the maximum
1. 2 answers
2. asked by Alex
3. 1,059 views
Forecasts of economists have.....1. overestimated inflation2. underestimated inflation 3. generally been accurate on inflation
1. 0 answers
2. asked by carrie
3. 1,047 views
Is anarchy used correctly in this sentence?: As so as the teacher step out of the class room to copys some paper the class was
1. 1 answer
2. asked by Kevin
3. 1,045 views
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M
1. 1 answer
2. asked by Andres
3. 978 views
The sum of the first 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P
1. 2 answers
2. asked by Anonymous
3. 977 views
A town decides to build a playground using one of the existing walls beside an elementary school. What is the maximum area they
1. 2 answers
2. asked by Anna
3. 975 views
A 20kg block is being pulled by a 150N force,the block is initially at rest,if the coefficient of frictionbetween the block and
1. 1 answer
2. asked by amaka
3. 972 views
a 425 g cylinder of brass is heated to 90/0 degree C and placed in a calorimeter containing 334 g of water at 25.0 degree C. The
1. 0 answers
2. asked by Justin
3. 962 views
This is a final essay. Can someone please read over it and let me know where they think I need improvement.Even though People
1. 3 answers
2. asked by Anonymous
3. 961 views
When the Sun is directly overhead, a hawkdives toward the ground at a speed of 3.07 m/s. If the direction of his motion is at an
1. 0 answers
2. asked by rachel
3. 954 views
why is glucose converted into hexose bisphosphate in glycolysis ??
1. 0 answers
2. asked by Anonymous
3. 912 views
A cylinder is inscribed in a right circular cone of height 5.5 and radius (at the base) equal to 7. What are the dimensions of
1. 1 answer
2. asked by Anonymous
3. 912 views
For this assignment you are to look at the ways courtship rituals have (or have not) changed over the last generation or two. In
1. 3 answers
2. asked by Scott
3. 907 views
A window washer uses the chair and pulley arrangement shonw in the figure to lift himself up the side of a building. The window
1. 1 answer
2. asked by Anonymous
3. 894 views
p(x)+q(x) and p(x)-q(x),where p(x)=x3-2x2(square)-3 and p(x)=x4+x3+x2-7x
1. 1 answer
2. asked by Debashish Banchhor
3. 845 views
One of the by-products of a reaction is 2-methyl-2-butene.A) Suggest a mechanistic pathway for the formation of this alkene. B)
1. 0 answers
2. asked by Aly
3. 844 views
ray makes an array that has 4 rows of 4 counters. he wants to make two more arrays using the same number of counters. he wants
1. 1 answer
2. asked by hadyn
3. 841 views
A swimming pool has two identical sides in the shape of a trapezium.All other sides are rectangular. The length of the pool is
1. 2 answers
2. asked by lissa
3. 823 views
what did a diet at the asclepion consist of?
1. 1 answer
2. asked by lissa
3. 796 views
Solve the linear equation. Solve for x and yy=-3/4x + 1/4 y=3/4x - 3/4
1. 1 answer
2. asked by Amy
3. 795 views
Describe what a chemical bond is in terms of electron density between two atoms.What are the bond angles for an octahedral
1. 2 answers
2. asked by Caitlin
3. 784 views
An 8.65-kg block slides with an initial speed of 1.52 m/s up a ramp inclined at an angle of 27.6° with the horizontal. The
1. 0 answers
2. asked by Jim
3. 774 views
The fundamental resonance on a string is 60 cm length fixed at both ends is 440Hz. What is the speed of a wave traveling on this
1. 2 answers
2. asked by Fox
3. 771 views
How many grams of methane must be combusted to heat 1.05 of water from 24.0 to 89.0, assuming as a product and 100% efficiency
1. 1 answer
2. asked by Collin
3. 764 views
1) Observe an elementary mathematics lesson. Write an essay of 1,500-1,750 words that addresses the following issues and
1. 1 answer
2. asked by Kimberly
3. 762 views
In sowing seeds of peace the purpose of the camp in maine can est be described as :A. To educate arab and israeli teens B. To
1. 1 answer
2. asked by Ciara's Sister
3. 760 views
If one bacteria will double every 20 minutes, how many bacteria will there be I'm 24 hours
1. 1 answer
2. asked by dest
3. 758 views
a rectangular sandbox has dimensions of 4 feet by 5 feet how many yards is the perimeter of the sandbox?
1. 3 answers
2. asked by marisol
3. 749 views
A thin rectangular plate of uniform area density σ1 = 1.01 kg/m2 has a length a = 0.580 m and a width b = 0.240 m. The lower
1. 0 answers
2. asked by Lady
3. 733 views
How do I find the derivative of 6 + 8cosx?
1. 1 answer
2. asked by lily
3. 725 views
You have been asked to help upgrade the LAN at a very successful CPA firm with five departments in one building and a total of
1. 1 answer
2. asked by me
3. 720 views
tan−1(4x2y) = x + 5xy2
1. 1 answer
2. asked by DeVonne
3. 713 views
What pressure is exerted at the bottom of a tube of mercury 15 cm high?
1. 1 answer
2. asked by Steve
3. 709 views
If two different masses have the same kinetic energy, their momenta are:1. inversely proportional to their masses 2. inversely
1. 0 answers
2. asked by Anonymous
3. 701 views
x + y = 4 , x + z = 4, y + z = 4
1. 2 answers
2. asked by barbie
3. 700 views
Which two of the 12 science processes do you feel are the most important for students to understand early in their science
1. 1 answer
2. asked by Chad
3. 693 views
90.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of
1. 1 answer
2. asked by MARYD
3. 687 views
Betty Bodycheck (mB = 55.1 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 41.2 kg, vS = 28.0 km/h in
1. 1 answer
2. asked by Jake
3. 685 views
A large truck with a mass of 6500·kg and going 20·m/s east collides with a car whose mass is 1100·kg and which is at rest. If
1. 1 answer
2. asked by jen
3. 676 views
Bob is reading a 300-page book. After one hour, he had finished 8% of the book. Assuming that he reads at a constant rate, how
1. 1 answer
2. asked by Anonymous
3. 673 views
A sample of an unknown material appears to weigh 285 N in air and 165 N when immersed in alcohol of specific gravity 0.700.(a)
1. 0 answers
2. asked by caitlin
3. 672 views
Bob is reading a 300-page book. After one hour, he had finished 8% of the book. Assuming that he reads at a constant rate, how
1. 2 answers
2. asked by Anonymous
3. 665 views
5) Find the points on the curve below at which the tangent is horizontal. Use n as an arbitrary integer. (Select all that
1. 1 answer
2. asked by Robyn
3. 664 views
Write two examples of complex sentences, the first having the dependent clause appearring at the start, and the second with the
1. 3 answers
2. asked by Chris
3. 660 views
How do I estimate 791 divided by 38 and use compatible numbers if necessary
1. 1 answer
2. asked by destiny
3. 658 views
An astronaut in outer space pushes himself away from his spaceship. About how far does the astronaut go before stopping? What
1. 0 answers
2. asked by Lala
3. 658 views

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