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Questions Asked on September 21, 2011

A woman standing on a hill sees a flagpole that she knows is 65 ft tall. The angle of depression to the bottom of the pole is
1. 2 answers
2. asked by Dominic
3. 9,303 views
R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having acollege education is important to
1. 3 answers
2. asked by FAKAAPO
3. 8,948 views
An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are
1. 1 answer
2. asked by Meghan
3. 7,777 views
find the measure of each angle of an isosceles trapezoid if two of the angles has measures in the ratio of 2:3.
1. 4 answers
2. asked by Lissa
3. 5,578 views
Europium has two stable isotopes, 151 Eu (150.9198 u) and 153 Eu (152.9212 u). The atomic mass given for Eu is 151.9640 u. What
1. 2 answers
2. asked by joan
3. 4,534 views
Nitrogen dioxide decomposes at 300°C via a second-order process to produce nitrogen 14) monoxide and oxygen according to the
1. 3 answers
2. asked by Maylen
3. 4,274 views
Jake says that adding 0 does not change a sum. Is he correct? explain.
1. 10 answers
2. asked by d
3. 3,723 views
Trisha drew a pair of line segments starting from a vertex.Which of these statements best compares the pair of line segments
1. 2 answers
2. asked by Anonymous
3. 3,695 views
write a negation of the statement...not all people like football
1. 1 answer
2. asked by kim
3. 3,691 views
Vector V represents a displacement of 120 km at 29.0 degrees counterclockwise from the x axis. Write V in unit vector notation.E
1. 3 answers
2. asked by GV
3. 3,559 views
the melt in your mouth chocolate factory sells three times as many mints as it sells almond bars.it sells half as many almond
1. 4 answers
2. asked by felix
3. 3,147 views
Do these passages contain ought imperatives?1) Toby, never throw a pen at your sister! You could put an eye out! 2) Never raise
1. 2 answers
2. asked by Alex L.
3. 2,974 views
Let A be the region bounded by the curves y=x^2-6x+8 and y=0, find the volume when A is revolved around the x-axis
1. 1 answer
2. asked by Anonymous
3. 2,861 views
Two identical point charges are fixed to diagonally opposite corners of a square that is 1.5 m on a side. Each charge is +2.0
1. 3 answers
2. asked by Traci
3. 2,715 views
The line y=2x + b is tangent to the graph y= sqrt x at the point P= (a,sqrt a). Find P and determine b
1. 1 answer
2. asked by erika
3. 2,674 views
a boy spent 2/5 of his money on sweets and 1/3 on records. what fraction of his money did he spent? what fraction of his money
1. 11 answers
2. asked by nerissa
3. 2,572 views
Initially (at time t = 0) a particle is moving vertically at 5.8 m/s and horizontally at 0 m/s. Its horizontal acceleration is
1. 1 answer
2. asked by alex
3. 2,395 views
:Find a counterexample of the following definition:All balls are spheres:
1. 3 answers
2. asked by izzy
3. 2,312 views
A scientist wants to determine the best conditions for hatching brine shrimp eggs. In alaboratory, brine shrimp hatch at room
1. 3 answers
2. asked by hoover
3. 2,287 views
AD is an altitude of an isosceles triangle ABC in which AB=AC. Show that AD bisects BC.
1. 2 answers
2. asked by Anonymous
3. 2,210 views
Fundamental Problem 15.12The cannon and support without a projectile have a mass of 250 kg. If a 20 kg projectile is fired from
1. 1 answer
2. asked by Kate
3. 2,185 views
Geometric Proofs....Write a justification for each step Given: AB = EF, B is the midpoint of Line AC and E is the midpoint of
1. 2 answers
2. asked by David
3. 1,989 views
Hanson Company uses the weighted-average method in its process costing system. The first processing department, the Welding
1. 2 answers
2. asked by anonymous
3. 1,835 views
The head of a hammer is loose and you wish to tighten it by banging it against the top of a workbench. Why is it better to hold
1. 1 answer
2. asked by Hunter
3. 1,798 views
Two carts ( a's mass = 4.5 kg and b's mass = 1.5 kg) are held against a strong compressed string. The carts are released
1. 1 answer
2. asked by Aubbie
3. 1,753 views
the deck in hopes's backyard is round. it has 5 posts evently spaced around the edge to support a trellis. for her birthday
1. 2 answers
2. asked by Anonymous
3. 1,744 views
Identify one way in which animals affected the way people lived in the Stone Age.
1. 5 answers
2. asked by Marrisa
3. 1,740 views
This circle has a circumference of 56. What is the radius of the circle?
1. 2 answers
2. asked by j
3. 1,704 views
Chairs in an auditorium are arranged in rows in such a way that the first two rows each have the same number of chairs. The
1. 2 answers
2. asked by Anonymous
3. 1,686 views
use your calculator.show 14. broken keyr is 1. show 2 ways
1. 2 answers
2. asked by daniel
3. 1,651 views
A toy train is pushed forward and released at = 3.5 with a speed of 1.0 . It rolls at a steady speed for 1.2 , then one wheel
1. 3 answers
2. asked by smarth
3. 1,614 views
A child is in danger of drowning in the Merimac river. The Merimac river has a current of 3.1 km/hr to the east. The child is
1. 1 answer
2. asked by aaa
3. 1,611 views
a rocket is launched at an angle of 53 degrees above the horizontal with an initial speed of 75m/s. It moves for 25 seconds
1. 1 answer
2. asked by David
3. 1,490 views
If 10.00 g of water are introduced into an evacuated flask of volume 2.500 L at 65 degreed celcius, calculate the mass of water
1. 2 answers
2. asked by Amber
3. 1,489 views
In an 8.00 race, one runner runs at a steady 11.8 and another runs at 14.5 .How far from the finish line is the slower runner
1. 5 answers
2. asked by smarth
3. 1,474 views
The scores on the final exam in a course have approximately a bell-shaped distribution. The mean score was 72, the highest score
1. 2 answers
2. asked by Chris
3. 1,405 views
Calculate the number of grams of Fe found when 0.400kg of Fe2O3 reacts
1. 1 answer
2. asked by Anonymous
3. 1,401 views
Mickey lives 35 miles away from his grandparents home. His Aunt Roz lives 24 miles farther than his grandparents. How far does
1. 6 answers
2. asked by Dy
3. 1,370 views
a body weighing 40N drops freely from a hieght of 50m and penetrates into the ground by 100cm.find the average resistance to
1. 3 answers
2. asked by impulse and momentum
3. 1,340 views
2-5 Grade Determination is says " Write a program that will input three test scores. the program should determine and display
1. 1 answer
2. asked by Jimmy
3. 1,319 views
Calculate the amount work done on 60 N of force is used to move an object a distance of 4.0 meters
1. 1 answer
2. asked by Joe Barrera
3. 1,295 views
Suppose right triangle ABC has one acute angle 47º. Suppose also that right triangle DEF has an acute angle 43º. How are
1. 2 answers
2. asked by Blanca
3. 1,224 views
Miles per gallon. In its Fuel Economy Guide for 2008 model vehicles, the Environmental Protection Agency gives data on 1152
1. 1 answer
2. asked by MAC
3. 1,220 views
Gayle had 5 1/3pounds of candy.She put 1 1/2 pounds of candy into each gift bag.How many gift bags could she fill completely
1. 1 answer
2. asked by Michelle
3. 1,213 views
Reasoning What property of addition is shown in the following number sentence? Explain. 7 + (3 + 5) = (7 + 3) + 5
1. 3 answers
2. asked by Anonymous
3. 1,211 views
a student heats 2.005 g of a copper bromide hydrate of unknown molecular formula, completely driving off the water of hydration,
1. 1 answer
2. asked by anonimo
3. 1,205 views
Show how the Commutative Property of Addition works using the numbers 2, 3, and 5.
1. 2 answers
2. asked by k
3. 1,199 views
Hi! Um.. What is the synonym of length?Please choose from this list: acute duration fidelity headstrong pacify refute Please
1. 5 answers
2. asked by saranghae12
3. 1,188 views
what is the chemical name of NaKC8H4O4
1. 1 answer
2. asked by kirby
3. 1,178 views
need to estimate to find quotient:-476 / 90 ESTIMATE IS -450 / 90 IS -5 IM NOT UNDERSTANDING ESTIMATE FOR 538/ (-63) 479 / (-61)
1. 1 answer
2. asked by MARKO
3. 1,148 views
I really need to know where exactly are examples of paradox in Lord Henry's speech I sent you.I'm including three more
1. 1 answer
2. asked by Henry2
3. 1,129 views
0.250g of phthalic acid is dissolved in 40.00cm^3 of 0.100 mol dm^-3 NaOH. It requires 11.80 cubic centimeters of 0.100
1. 2 answers
2. asked by Petty
3. 1,128 views
Emily wants to buy turquoise stones on her trip to New MExico to give to at least 4 of her friends. The gift shop sells stones
1. 1 answer
2. asked by Austin
3. 1,127 views
Nitrogen dioxide decomposes at 300°C via a second-order process to produce nitrogen 14) monoxide and oxygen according to the
1. 1 answer
2. asked by Maylen
3. 1,083 views
A buffer that is 0.271 M in acid, HA, and 0.150 M in the potassium salt of its conjugate base, KA, has a pH of 2.85. What is the
1. 1 answer
2. asked by Rachel
3. 1,081 views
the perimeter of a rectangle is 46 feet. The width is 3ft less than twice the length. find the length and width of the rectangle
1. 1 answer
2. asked by Anonymous
3. 1,079 views
1.The largest of the salivary glands is theA. Submandibular B. Sublingual C. Minor D. Parotid 2.The portion of the tooth that is
1. 2 answers
2. asked by Ruby
3. 1,067 views
Can you construct a pair of random variables such thatVar(X)=Var(Y)=1 and Cov(X,Y)=2?
1. 2 answers
2. asked by clarkson
3. 1,063 views
A cylinder has 500 cm^3 of water. after a mass of 100 grams of sand is poured into the cylinder and all air bubbles are removed
1. 2 answers
2. asked by Marilyn
3. 1,055 views
while john is traveling along an interstate highway, he notice a 160-mile marker a he passes through town. later john passes
1. 2 answers
2. asked by anonymous
3. 1,047 views
what tools do we use to measure mass what units do we use when measuring
1. 1 answer
2. asked by shion
3. 1,045 views
4NH3+5O2--->4NO+6H2Odetermine the amount of oxygen needed to produce 1.2x10^4mol of nitrogen monoxide gas
1. 1 answer
2. asked by Sven
3. 1,045 views
Why whales live in oceans?
1. 1 answer
2. asked by Abby
3. 1,043 views
Geometric Proofs....Write a justification for each step Given: AB = EF, B is the midpoint of Line AC and E is the midpoint of
1. 2 answers
2. asked by David
3. 1,040 views
Is there any online textbooks I may use to finish my social studies?
1. 1 answer
2. asked by nosym
3. 1,039 views
Indicate the concentration of each ion present in the solution formed by mixing the following. (Assume that the volumes are
1. 1 answer
2. asked by Anonymous
3. 1,038 views
Briefly discuss the usefulness of studying commercial law
1. 1 answer
2. asked by Anonymous
3. 1,023 views
1. A ball rolling on a platform at 4 m/s rolls off of the platform at 4 m/s and hits the ground 8 m from the base of the
1. 0 answers
2. asked by chris
3. 1,007 views
0.250g of phthalic acid is dissolved in 40.00cm^3 of 0.100 mol dm^-3 NaOH. It requires 11.80 cubic centimeters of 0.100
1. 3 answers
2. asked by Petty
3. 1,000 views
A 10 kg cart was observed moving north with a speed of 15 m/s before it collided with an identical cart moving south at 10 m/s.
1. 0 answers
2. asked by Elisabeth
3. 988 views
a rock is dropped from a height of 15m above the ground. when it hits the ground, it leaves a hole 12cm deep. what is the speed
1. 2 answers
2. asked by Taylor
3. 979 views
For the Arithmetic sequence, determine the value of t1, and d. An explicit formula for the general term. And T20.7/4, 1, 1/4,
1. 1 answer
2. asked by Anonymous
3. 953 views
An air track glider, 8.0 cm long, blocks light as it goes through a photocell gate. The glider is released from rest on a
1. 0 answers
2. asked by John
3. 933 views
Answer the following two questions about the equivalence point for the titration of 27.8 mL of 0.235 M hypobromous acid (pKa =
1. 1 answer
2. asked by Rachel
3. 929 views
determine the mass of a ball with a velocity of 35.1 m/s and a wavelength of 8.92 x 10^-34
1. 0 answers
2. asked by Thomissa
3. 925 views
A ball dropped from the roof of a building take 4s to reach the street. How high is the building?
1. 2 answers
2. asked by yolanda
3. 920 views
To find 38 + 45, you could first find 38 + 50 = 88. Then what should you do.
1. 2 answers
2. asked by Dy
3. 918 views
a bank of 16 floodlights together use 5600 watts of power how much power is used by each bulb
1. 2 answers
2. asked by Vincent
3. 916 views
17. O.S.R. Manufacturing Inc. is a manufacturer, distributor, and installer of kitchen cabinets.Its manufacturing plant and
1. 0 answers
2. asked by Gloria
3. 912 views
Evaluate the indefinite integral ofInT(-x^3+9x^2-3x+2)/(x^4-2x^3) I got ((1-2x)/(2x^2))+3*ln(2-x)-4*ln(x)+c but apparently
1. 1 answer
2. asked by Gabrielle
3. 911 views
If a block is 12cm wide, 7cm long and 9 cm then how much of the block will be below the surfaceof the water if the block weights
1. 1 answer
2. asked by Jen
3. 903 views
Write and answer the hidden question. Then solve.1. Gloria talked on her cell phone for 320 minutes the first month, 243 minutes
1. 11 answers
2. asked by mathhater2192
3. 898 views
I THINK I MAY HAVE DONE MY HOMEWORK WRONG BECAUZE IT SAYS TO : ESTIMATE THE PRODUCT OR QUOTIENT. SOWOULD THAT MEAN TO ACTUALLY
1. 4 answers
2. asked by MARKO
3. 894 views
You carry a 20 n box 5 m horizontally across a room. The work you do is? Is 4 J correct?
1. 0 answers
2. asked by Karen
3. 893 views
I need help with these following questions:1. Which type of graph is best to illustrate differences in data by using bars to
1. 2 answers
2. asked by Anonymous
3. 892 views
Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and
1. 1 answer
2. asked by Darlene
3. 885 views
A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s.What will the ball’s velocity be when it
1. 1 answer
2. asked by Vanessa
3. 881 views
One day we decided to drive from Town A to Town D. In order to get there we had to drive through Town B and then Town C. It is
1. 2 answers
2. asked by jake
3. 869 views
PUC raised money for the recent disaster victims.They decided to allocate the money in manner: 1/3 of the money goes for medical
1. 1 answer
2. asked by Michelle
3. 864 views
jason drives due west with a speed of 35.0 mi/h for 30.0 min, then continues in the same direction at 60 mi/h for 2.00 hrs, then
1. 1 answer
2. asked by Kate
3. 862 views
explain why the synthesis of proteins, DNA and RNA requires energy.thanks :)
1. 1 answer
2. asked by grace
3. 861 views
1. Prejudicial behaviors by young children, particularly in the 3 to 5 year age group, are not rooted in: A. Cognitive inability
1. 3 answers
2. asked by Vanessa
3. 859 views
I'm having trouble with identifying the word in parathesis in the sentence- The Puritans considered buttons a (sign) of vanity.I
1. 2 answers
2. asked by ron
3. 858 views
I think I need help with this problem-3+ square root(x-6) = square root of (x+9) I thought I should square everything to get rid
1. 3 answers
2. asked by Joseph P.
3. 856 views
THE WATTAGE OF AN APPLIANCE INDICATES THE AVERAGE POWER CONSUMPTION IN WATTS(W),WHERE 1W =1J/S WHAT IS THE DIFFERENCE IN THE
1. 0 answers
2. asked by lucy
3. 850 views
Indicate whether the underlined words or groups of words need capital or lower case letters by selecting the best choice.
1. 1 answer
2. asked by Donna
3. 846 views
what is the sum of the 4 in 541,000
1. 3 answers
2. asked by dorisbrawley
3. 838 views
Could someone explain how to identify first person, first peripheal, third person omniscient,third person limited or third
1. 2 answers
2. asked by Raymond
3. 834 views
An arrow is shot verticaaly upward. Two seconds later, it is at a height of 42 meters ( although this is not necessarily the
1. 1 answer
2. asked by Taylor
3. 832 views
In this sentence I am suppose to give the simple subject and simple predicate.1. The clay is usually hard and brittle at first.
1. 3 answers
2. asked by Reed
3. 826 views

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