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Questions Asked on November 24, 2013

The bases of trapezoid ABCD are AB and CD. Let P be the intersection of diagonals AC and BD. If the areas of triangles ABP and
1. 12 answers
2. asked by ASDF
3. 4,777 views
Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and
1. 6 answers
2. asked by ASDF
3. 3,780 views
Calculate the heat in kilojoules needed to condense 185g of steam at 100 ∘C.
1. 1 answer
2. asked by Alex
3. 2,737 views
A sphere of radius r starts from rest and rolls without slipping along a curved surface, dropping through a vertical distance of
1. 1 answer
2. asked by Clinton
3. 2,649 views
Very few fossils of jellyfish or their close relatives have been found. This makes it hard to trace the evolutionary history of
1. 6 answers
2. asked by Anonymous
3. 2,541 views
A soccer goalie has saved 14 shots and let in 1 goal.Explain Please!!!
1. 5 answers
2. asked by smile0003
3. 2,411 views
A reaction: A(aq) + B(aq) <-> C(aq)has a standard free-energy change of –4.65 kJ/mol at 25 °C. What are the concentrations of
1. 1 answer
2. asked by Katherine
3. 2,274 views
The fossil record contains many intermediate forms of at least one evolutionary line of animals. Beginning with a set of ancient
1. 3 answers
2. asked by Anonymous
3. 2,197 views
Which of the following correctly states the relationship between monkeys and humans?A. Humans and monkeys evolved from apes. B.
1. 9 answers
2. asked by Anonymous
3. 2,117 views
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the y-axis:y=(x-2)^3-
1. 7 answers
2. asked by Nicole
3. 1,995 views
At noon, ship A is 100km west of ship B. Ship A is sailing south at 30km/h and ship B is sailing north at 15km/h. How fast is
1. 1 answer
2. asked by Anon
3. 1,936 views
A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus, the diameter of the semicircle is equal to the
1. 1 answer
2. asked by Lenny
3. 1,900 views
A sample of 11 observations taken from a normally distributed population produced the following data.−7.1 10.3 8.7 −3.6
1. 1 answer
2. asked by ----
3. 1,813 views
An observer stands at a point P, one unit away from a track. Two runners start at the point S in the figure and run along the
1. 1 answer
2. asked by John
3. 1,557 views
a lamp post that is 8 feet high casts a shadow 5 feet long. how tall is the person standing beside the lamp post if his shadow
1. 2 answers
2. asked by Marusa
3. 1,520 views
How did Lamarck and Darwin differ in their thinking about species?A. Darwin thought that organisms could induce their own
1. 22 answers
2. asked by Anonymous
3. 1,470 views
A 61-kg snow skier is being pulled up a 14 ° slope by a steel (Young's modulus 2.0 x 1011 N/m2) cable. The cable has a
1. 3 answers
2. asked by Samantha
3. 1,424 views
60 percent of the students in a marching band are girls. There are 30 girls in the marching band. How many students are there
1. 2 answers
2. asked by Rylee
3. 1,293 views
A ladybug crawls around the outside of a rectangle that measures 5.5 cm by 8.5 cm. The ladybug stays exactly 3.5 cm from the
1. 2 answers
2. asked by josh
3. 1,285 views
Three vertices of a kite are (1,8), (1,0), and (4,6). What is the fourth vertex?
1. 1 answer
2. asked by Samantha
3. 1,284 views
Calculate the project’s initial Time 0 cash flow, taking into account all side effects.?This will be a five-year project. The
1. 1 answer
2. asked by Cheryl
3. 1,205 views
Calculate the heat in kilojoules needed to condense 185g of steam at 100 ∘C.
1. 1 answer
2. asked by Alex
3. 1,190 views
For the past 20 years, the high temperature on April 15th has averaged  = 62 degrees with a standard deviation of  = 12.
1. 2 answers
2. asked by Anonymous
3. 1,126 views
Is it passive or active voice?Many clothes (we're given) to the homeless shelter. Passive By the end of today, the students
1. 2 answers
2. asked by Ray
3. 1,108 views
The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a
1. 0 answers
2. asked by Nickoli
3. 1,094 views
a 2.00 lb rock is dropped from a bridge to the water 50 below.a. what is the velocity as it hits the water? b. how long does it
1. 1 answer
2. asked by carol
3. 1,083 views
1.Select the correct sentence:a.She is younger than him and me. b.She is younger than he and me. c.She is younger than him and
1. 3 answers
2. asked by Susan
3. 1,073 views
a 2.50 N rock is thrown down from a cliff at 10.0 m/s.a. what is the velocity after falling 25.0 m? b. velocity as it hits the
1. 1 answer
2. asked by carol
3. 1,063 views
Vanessa typically works 8 hours per day in a normal 5 day work week. Last week, however, Vanessa had to take 90 minutes off on
1. 1 answer
2. asked by p
3. 1,060 views
Prove the following trigonometric identities. please give a detailed answer because I don't understand this at all.a.
1. 2 answers
2. asked by Jessy
3. 1,055 views
Suppose you have been hired as a financial consultant to Defense Electronics, Inc. (DEI), a large, publicly traded firm that is
1. 2 answers
2. asked by Serenity1
3. 1,036 views
Me and Bill said casey can do the job for you in 10 days but give me alex instead of bill and we can get it done in 9 days. i
1. 1 answer
2. asked by luckybee
3. 1,031 views
In the archetypal heroic quest, the heroA. goes on a quest to demonstrate his strengths and perfection. B. overcomes all
1. 3 answers
2. asked by orpheus
3. 993 views
Forces of F1=975 N,F2= 745 N, f3= 1175 N and are applied at the same point. The angle between f1 and f2 is 60.0 degree and the
1. 1 answer
2. asked by carol
3. 985 views
A 1520 kg car rounds a 164m radius curved at a constant speed of 22.0 m/s. What is the centripetal acceleration of the car? What
1. 2 answers
2. asked by Tel
3. 925 views
Consider a PV module with the following parameters as measured at STC (Standard Testing Conditions):Voc = 55 V; Isc = 5 A; Impp
1. 4 answers
2. asked by UNO
3. 903 views
Excerpted fromA Tale of Two Cities by Charles Dickens [1] Saint Antoine* had been, that morning, a vast dusky mass of scarecrows
1. 3 answers
2. asked by orpheus
3. 889 views
Given the equation 2cos^2x+sinx-1=01. Explain why this equation cannot be factored. 2. Use a trigonometric identity to change
1. 1 answer
2. asked by Jessy
3. 864 views
A manufacturer is cutting plastic sheets to make rectangles that are 11.125 inches by 7.625 inches. Each rectangle’s length
1. 1 answer
2. asked by mark
3. 852 views
A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no
1. 0 answers
2. asked by Samantha
3. 844 views
Calculate the project’s initial Time 0 cash flow, taking into account all side effects.?This will be a five-year project. The
1. 3 answers
2. asked by Serenity1
3. 840 views
Luther Burbank was a plant breeder who developed a strain of potato plant that produced more tubers of larger size than other
1. 2 answers
2. asked by Anonymous
3. 840 views
A 68-kg water skier is being pulled by a nylon (Young's modulus 3.7 x 109 N/m2) tow rope that is attached to a boat. The
1. 0 answers
2. asked by Samantha
3. 832 views
1. A professor measured the time (in seconds) required to catch a falling meter stick for 19 randomly selected students’
1. 1 answer
2. asked by arshi
3. 832 views
Consider 15 mL of an aqueous solution containing 2.0 g of an organic solute. If the distribution coefficient for the solute
1. 1 answer
2. asked by samm
3. 811 views
A man has a mass of 65kg on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 13% of his
1. 1 answer
2. asked by Anonymous
3. 805 views
three forces, each of magnitude 1450 LB act in the same point. The angle between adjacent forces is 45.0 degree. Find the
1. 1 answer
2. asked by carol
3. 792 views
The new RDS project is somewhat riskier than a typical project for DEI, primarily because the plant is being located overseas.
1. 3 answers
2. asked by Serenity1
3. 786 views
The view that knowledge is impossible is:A. Rationalism B. Empiricism C. Skepticism D. Constructivism E. Cognitivism
1. 1 answer
2. asked by Jay
3. 751 views
An important purpose of myths isA. to create interesting entertainment and exciting story plots. B. to illustrate the
1. 5 answers
2. asked by orpheus
3. 741 views
The traits of a hero are determined byA. cultural values. B. their experiences. <-- this is my answer C. the plot of the story.
1. 2 answers
2. asked by orpheus
3. 727 views
Those members will create a "page" in a characterization book entitled "Two Kinds." Each page will present a character,
1. 3 answers
2. asked by anonymous
3. 700 views
There is a winter storm and the snow is falling at a rate of 4 inches/hour. Write 3 equivalent ratios associated with the
1. 1 answer
2. asked by Libby
3. 665 views
A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification.
1. 5 answers
2. asked by Anon
3. 665 views
TORQUE, ROTATION AND TRANSLATIONA Yo-Yo of mass m has an axle of radius b and a spool of radius R . Its moment of inertia about
1. 4 answers
2. asked by Anon
3. 664 views
an express train leaves new york at 3:00 pm and rreaches boston at 6:00 pm a slow train leaves boston at 1:30pm and arrives in
1. 2 answers
2. asked by luckybee
3. 624 views
a certain two-digit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the
1. 1 answer
2. asked by luckybee
3. 620 views
theory of plate tectonics/what are tectonics plates?
1. 1 answer
2. asked by mikel
3. 608 views
Many dairy cows now receive injections of BST, a hormone intended to spur greater milk production. A group of 53 Jersey cows
1. 0 answers
2. asked by Katie
3. 594 views
How many diagonals does a prism have whose base is a regular polygon with 3 sides?
1. 1 answer
2. asked by Martha
3. 593 views
I have a few questions that I'm not 100% about.1. A warranty that provides restricted protection is called a ________. A.
1. 1 answer
2. asked by Eri Uchi
3. 592 views
A pulley of mass mp , radius R , and moment of inertia about its center of mass Ic , is attached to the edge of a table. An
1. 1 answer
2. asked by Chelsea
3. 590 views
I haven't started working on my article yet, but it'll be explaining Christmas music - mostly the history of Christmas carols.
1. 1 answer
2. asked by Me
3. 578 views
A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification.
1. 0 answers
2. asked by Anon
3. 573 views
Select the correct sentence:a. We will retreat the patient after we re-create his chart. b. We will retreat the patient after we
1. 1 answer
2. asked by Susan
3. 571 views
Given the following information, determine the 68.3 percent, 95.5 percent, and 99.7 percent confidence intervals.overbar above X
1. 1 answer
2. asked by Anonymous 11/24/13
3. 568 views
WHAT WOULD 18/100 BE IN RATIO FORM, ITHINKING 18:100 BUT NOT SURE?
1. 4 answers
2. asked by Libby
3. 560 views
TURNTABLE SOLUTIONSA gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an
1. 4 answers
2. asked by Anon
3. 552 views
a cellular phone manufacturer randomly selects 5 phones from every batch of 50 produced. if at least one of the phones is found
1. 0 answers
2. asked by Sim
3. 544 views
A store has rows of T-shirts, with 8 shirts in each row. How many T-shirts are there in all?Answer,, 3*8=24 2/ there are 3groups
1. 1 answer
2. asked by Joji
3. 538 views
5 CUPS EQUAL HOW MANY PINTS (x1pt/2c)I thought 10?
1. 3 answers
2. asked by Libby
3. 532 views
A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in
1. 2 answers
2. asked by Ed some one please help
3. 530 views
Which is correct for this trickling filter?a)Due to the low BOD loading rate the biomass growth will be too little. Methanol
1. 0 answers
2. asked by Anon
3. 530 views
An X-ray binary consists of 2 stars with masses m1 (the accreting compact object) and m2 (the donor). The orbits are circular
1. 1 answer
2. asked by jennifer
3. 530 views
A current loop with radius 20 cm and current 2 A is in a uniform magnetic field of 0.5 T. Considering all possible orientations
1. 0 answers
2. asked by James
3. 527 views
The sum of 6.5 times u, 5 and -2. plus the product of 3.5 and x is equal tothe result of adding x, 4.5 times y and -10. The sum
1. 3 answers
2. asked by Joy
3. 524 views
When weighing liquid ethanol, why do you have to place water in the beaker prior to adding the ethanol to that same beaker?
1. 2 answers
2. asked by Chem
3. 524 views
Find the slope of the line through the points(-4,4) and (0,-4).
1. 2 answers
2. asked by Matt
3. 520 views
Which of the following was Eisenhower's most significant legislative achievement?A. The Highway Act of 1956 B. The establishment
1. 1 answer
2. asked by Tammy
3. 519 views
find the tension in each cable.T1=68.0 degree T2= 25.0 degree weight= 27500 N
1. 0 answers
2. asked by carol
3. 513 views
European possessions in the New World as of 1800. British, Spanish, French, Portuguese, Dutch.Can someone find me a map
1. 5 answers
2. asked by Jynessa
3. 513 views
What unique property of water allows organisms living in lakes to survive in below zero winter conditions ?
1. 1 answer
2. asked by Biology, One more question
3. 505 views
I finally have to do that project on cultural dances, but the one I picked isn't the one I want to do. Is the cowboy boogie a
1. 3 answers
2. asked by Izzy
3. 501 views
Typing speeds among college students are normally distributed with a mean of 60 words, and a standard deviation of 10 words.
1. 2 answers
2. asked by Jon
3. 500 views
HELP: Does THIS LOOK OK SO FAR? NEED HELP WITH THE REST, PLEASE!A 1963 Chevy Bel Air, a classic car today, cost $2400 new in
1. 1 answer
2. asked by Tracy
3. 498 views
Mel paid $569.27,including 6% tax! for LCD computer monitor. How much did the computer monitor itself cost?
1. 1 answer
2. asked by Anonymous
3. 480 views
can you help me out on my assignment
1. 13 answers
2. asked by anonymous
3. 479 views
A rectangular table 6/7 of a meter long by 2/5 of a meter wide
1. 1 answer
2. asked by damesha
3. 477 views
Have you ever wanted to know what people said and thought about you when you weren't around? If you could disguise yourself in
1. 1 answer
2. asked by anon
3. 475 views
The min. energy needed to break a C-Br bond is 288000mol^-1. If one has access to laser with 3 output wavelengths
1. 1 answer
2. asked by Lenny
3. 465 views
write a number sentence for the model. let one white tile equal +1 and one black tile equal -1
1. 1 answer
2. asked by ashay
3. 462 views
A rectangular table 6/7 of a meter long by 2/5 of a meter wide
1. 1 answer
2. asked by damesha
3. 458 views
A weather vane initially at rest has a moment of inertiaof 0.100 kg-m2about its axis of rotation. A 50.0 g pieceof clay is
1. 0 answers
2. asked by Clinton
3. 456 views
What property of water forms a meniscus?
1. 0 answers
2. asked by Biology
3. 455 views
how did the fighting at lexington and concord affect the relationship between the colonies and great britain?
1. 2 answers
2. asked by tyrone
3. 454 views
142 out of 507 people were right. Calculate a 95% confidence interval for the proportion of the entire population that could be
1. 5 answers
2. asked by Jon
3. 449 views
The duckling started swimming out of instinct when she followed the rest of the flock into the lake for the first time.Do any
1. 3 answers
2. asked by Tessia
3. 441 views
calculate the CPI for this year and for 5 years from now. Project the price 5 years from now of an item that you commonly buy.**
1. 0 answers
2. asked by tracy
3. 441 views
142 out of 507 people were right. Calculate a 95% confidence interval for the proportion of the entire population that could be
1. 1 answer
2. asked by Jon
3. 439 views
Prove the identity. (show steps please!) Thank you!tan^2(x/2+π/4)=(1 + sin x)/(1 − sin x)
1. 1 answer
2. asked by Anonymous
3. 438 views

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