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Questions Asked on May 21, 2013

A tennis ball with a speed of 12.5 m/s ismoving perpendicular to a wall. After striking the wall, the ball rebounds in the
1. 3 answers
2. asked by john
3. 9,847 views
Find the exact value of sin(x-y) if sinx=-3/5 in Quadrant III and cosy=5/13 in Quadrant I.
1. 2 answers
2. asked by Jennifer
3. 3,969 views
The Ferris wheel at a carnival has a diameter of 18m and descends to 2m above theground at its lowest point. Assume that a rider
1. 3 answers
2. asked by Sammy
3. 3,798 views
1. Although (s)he was later forced into exile by Haiti's military, ________ became, in 1990, the first Haitian president to be
1. 30 answers
2. asked by BallaWitSwagg
3. 3,778 views
a 2-mi cab ride costs $4.25. a 7-mi cab ride costs $8.50. which equation models the cost y of a cab ride that is x miles?
1. 3 answers
2. asked by Anonymous
3. 2,933 views
Write the expression in terms of sine only.8(sin 2x − cos 2x)
1. 1 answer
2. asked by Shane
3. 2,835 views
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability
1. 2 answers
2. asked by Denise
3. 1,913 views
3. Which of the following does not describe the city of San Juan? (1 point) a combination of old Spanish style buildings and
1. 4 answers
2. asked by BallaWitSwagg
3. 1,849 views
find the solution to the system of equations by using either graphing and substitution y = 6 - x and y = x - 2(2,4) (-4,2) (4,2)
1. 3 answers
2. asked by Nisabel
3. 1,682 views
When a 4.00-g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of 1.797 kJ·K–1, the
1. 1 answer
2. asked by kitor
3. 1,655 views
1.List all the ions that cause a red flame and produce a precipitate in the presence of hydroxide ions.2.List all the cations
1. 1 answer
2. asked by NEED help PLEEASE!!
3. 1,619 views
The question I have is to solve the problem.A model rocket is launched from the ground with an initial speed of 50 feet per
1. 1 answer
2. asked by Ressie
3. 1,559 views
A saline solution is 20% salt.How many gallons of water must be added to dilute the mixture to 8 gals of a 15% saline solution?
1. 2 answers
2. asked by Meenaakshi
3. 1,532 views
An automobile and train move together alongparallel paths at 20.3 m/s. The automobile then undergoes a uniform acceleration of
1. 1 answer
2. asked by john
3. 1,445 views
A uniform beam of length L whose mass is m, rest with its ends on two digital scales ( Figure 13.2). A block whose mass is M
1. 1 answer
2. asked by VICTOR
3. 1,438 views
a body is moving with uniform acceleration of 10m/s2.if it starts from rest calculate its displacement after 5s
1. 2 answers
2. asked by Anonymous
3. 1,400 views
Find the exact value of1. tan 75 degrees 2. Cos 15 degrees 3. Sin 105 degrees
1. 2 answers
2. asked by lindsay
3. 1,344 views
An object in static equilibrium has a coefficient of static friction as 0.110. If the normal force acting on the object is 95.0
1. 1 answer
2. asked by ksg
3. 1,336 views
An individual who owns a share of a corporation and is entitled to part of its profits is a:A. director B. officer C. president
1. 3 answers
2. asked by Mitchel
3. 1,323 views
If 50 mL of a saturated solution of KClO3 at 55¡ÆC is cooled to 15¡ÆC, calculate the mass of precipitate that will form
1. 1 answer
2. asked by LOL
3. 1,309 views
(c) A ladder with length L and mass m rests against a wall. Its upper end is a distance h above the ground (Figure 13.3). The
1. 1 answer
2. asked by PURITAE
3. 1,268 views
Cut a pie into equal slices. There are only 3 slices left. The angel measures for the 3 slices is 72 degrees.How many slices was
1. 4 answers
2. asked by Anonymous
3. 1,265 views
Take an average 82 kg pet frog, what's it weight on earth? What is it's weight on the moon?
1. 1 answer
2. asked by Mikayla
3. 1,240 views
Dave walked from point A to point B due North East for a distance of 20m. He immediately changed direction and walked 50m from B
1. 1 answer
2. asked by lindsay
3. 1,179 views
On one of my problems it says:What is the average temperature in January for each place? On one climograph, the average
1. 3 answers
2. asked by Celest
3. 1,173 views
Suppose that Neptune Music has the copyright to the latest CD of the heavy Iron Band. The market demand curve for the CD is
1. 1 answer
2. asked by Jay
3. 1,170 views
The answer is in parenthesis, but I just don't get it. 11. The large window air conditioner in Anita Breeze's room draws 11 amps
1. 1 answer
2. asked by RaChaad
3. 1,161 views
Please help.51. Solve: 125=(x3)/0.3^-3 a.7 b.14 c.15 d.9 53. 49x-2 = 7Ö 7 a.-5/4 b.5/4 c.11/4 d.-11/4 60. Simplify: 2log^3 6 -
1. 3 answers
2. asked by Holly
3. 1,153 views
Determine the correct formula for the measures of all angles coterminal with the angle: 140°a. 140° + (360° + n) b. 140° +
1. 2 answers
2. asked by Holly
3. 1,141 views
A local citizen wants to fence a rectangular community garden. The lengthof the garden should be at least 110ft., and the
1. 0 answers
2. asked by Aubrey
3. 1,107 views
Use the zero product property to solve the equation:-3n(2n-5)=0
1. 1 answer
2. asked by Kate
3. 1,104 views
Find the area of the region between the parabola 4y = x^2 and the line 3x + 4 y = 4
1. 1 answer
2. asked by Mat
3. 1,097 views
An invoice is dated Aug 29 with terms of 4/15 E.O.M. What is the discount date and net date ?
1. 0 answers
2. asked by Joyce
3. 1,097 views
City Cellular purchased $28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B.
1. 2 answers
2. asked by Trish
3. 1,089 views
The lemonade recipe calls for 2 tablespoons or 1 ounce of food coloring for every gallon. How many cups of food coloring are
1. 13 answers
2. asked by Anonymous
3. 1,072 views
Sara is 24 years younger than Joe. Six years ago she was half as old as he was. How old is each now?
1. 1 answer
2. asked by Dominic
3. 1,062 views
A 15 kg, 1 m wide door which has frictionless hinges is closed but unlocked. A 400 g ball hits the exact middle of the door at a
1. 5 answers
2. asked by pyhsiclover
3. 1,048 views
I had to read "Son" by John Updike but i don't understand the summary.Could you explain the plot summary to me? Such as
1. 3 answers
2. asked by jonghyun
3. 1,047 views
Find the volume of the solid that is obtained when the region under the curvey = 4 − x^2/6 is revolved around the y -axis
1. 0 answers
2. asked by Mat
3. 1,046 views
Students, please view the "Submit a Clickable Rubric Assignment" in the Student Center.Instructors, training on how to grade is
1. 2 answers
2. asked by kal
3. 1,018 views
is batteries powering a flashlight an example of chemical potential energy to electrical energy?
1. 0 answers
2. asked by Anonymous
3. 1,003 views
In a city grid, each block o the east-west streets is 180 meters long. Each block on the north-south streets is also 180 meters
1. 1 answer
2. asked by Charity
3. 1,003 views
Identify and describe the type of radiation emitted during the radioactive decay of the radioisotope xenon 135
1. 1 answer
2. asked by Olivia
3. 989 views
Chris has $100 in his savings account and he adds $20 a month to the account. The total amount can be represented by the linear
1. 1 answer
2. asked by Nikki
3. 977 views
Unions limit the operation of:A. democracy B. the justice system C. market forces D. the military
1. 1 answer
2. asked by Mitchel
3. 976 views
A rectangle has length of 14x^4 and a width of 7x^3. Find the area in square units.
1. 1 answer
2. asked by tammy
3. 972 views
Chad buys peanuts in 2 pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2 pound bags of peanuts
1. 2 answers
2. asked by aaron
3. 959 views
A Martian rover is moving up a hill sloped at 30.0° with the horizontal. If it has a constant velocity of 1.50 meters/second,
1. 1 answer
2. asked by Anonymous
3. 958 views
Hi,I was wondering what kind of poem "Dream Variations" by Langston Hughes is? I've narrowed it down to blank verse or free
1. 7 answers
2. asked by Kate
3. 950 views
which of the following lines is not parallel y=2x=11)4x-2y=-4 2)2y-x=-4 3)y-2x=6 4)2x-y=-4
1. 1 answer
2. asked by aman
3. 950 views
Six boxes labeled 1,2,…,6 are arranged in a line. Seven identical balls are to be placed into the boxes such that for any 1
1. 0 answers
2. asked by Dan
3. 947 views
f(x)=x^4+ax^3+bx^2+cx+d and has real coefficients. If two of the roots are 4−i and 2+3i, what is the value of a+b+c+d?
1. 1 answer
2. asked by Shin
3. 921 views
Mr.Edwards is now three times as old as his daughter, in 15 years' time the sum of their ages will be 86.a.)How old are they
1. 1 answer
2. asked by Janie
3. 903 views
How much mechanical energy was lost during the ball's fall?
1. 1 answer
2. asked by seth
3. 886 views
If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in
1. 0 answers
2. asked by Anonymous
3. 865 views
ReasoningTo measure the length of a closet, Aaron used his foot and measured 6 foot-lengths. His father measured 4 foot-lengths.
1. 5 answers
2. asked by Quan
3. 863 views
which of the following equations has a graph that is parallel to the graph of 4x-2y=7?1)4x+2y=2 2)-2y=4x+2 3)7-4x=2y 4)2y=4x+7
1. 2 answers
2. asked by aman
3. 860 views
The quadratic equation x^2−9x+10=0 has roots tanα and tanβ, where 0∘<α+β<180∘. What is the measure of α+β (in
1. 1 answer
2. asked by Shin
3. 859 views
calculate the number of milliliters of 0.10 M cupric sulfate solution that must be diluted to prepare 10mL of a 0.015M cupric
1. 1 answer
2. asked by Atticus
3. 856 views
We're learning disks, shells, and cylinders in school but we have a substitute and I've been trying to teach this to myself. Can
1. 1 answer
2. asked by Hannah
3. 842 views
In the following sentence identify the function of the infinitive (phrase).Is it too expensive to travel to Europe?
1. 2 answers
2. asked by alex
3. 839 views
How am I supposed to answer this question on the lab write-up? I have the date, but I don't know the formula or process to use.
1. 1 answer
2. asked by Sadie
3. 816 views
Mrs. Thomas bought 5 kg of flour. She used 1/5 of it to make muffins and 1/5 of the remainder to make cookies. How much flour
1. 2 answers
2. asked by Ashli
3. 786 views
An automobile and train move together alongparallel paths at 28.8 m/s. The automobile then undergoes a uniform acceleration of
1. 1 answer
2. asked by m
3. 782 views
x-14/x-1=4-2x/x-1
1. 1 answer
2. asked by Amanda
3. 777 views
Find the area of the other figure to the nearest whole number.The area of the smaller trapezoid is 771 m2.
1. 3 answers
2. asked by Rachel
3. 775 views
The probability of an event is 20%. how many times should you expect the event to occur in the given number of trials?1.15
1. 1 answer
2. asked by John
3. 760 views
A manufacturer wishes to produce the most economical packaging for detergent.The containers need to hold 25litres and must be
1. 1 answer
2. asked by Mat
3. 755 views
Why did immigrants and farmers settle in big cities at the end of the 19th century?My answer: Immigrants and farmers settle in
1. 6 answers
2. asked by Anonymous
3. 736 views
Find two mixed numbers so that the sum is 8 4/8 and the difference is 2 2/8
1. 4 answers
2. asked by alyssa
3. 718 views
the denominator of a fraction is 3 less than twice the numerator. if the numerator is doubled and the denominator by 8, the
1. 1 answer
2. asked by mary
3. 710 views
1. the speed of light is 8.0x^8m/s in standard form that is?2. the average size of a virus is 2x 10^-10 nanometers in diameter.
1. 1 answer
2. asked by melves
3. 707 views
If a metal wire carries a current of 79. 0 mA, how long does it take for 7.90 × 10 20 electrons to pass a given cross-sectional
1. 1 answer
2. asked by scott
3. 704 views
How do I identify between Zn, Al, and Mg ions in solution?
1. 0 answers
2. asked by Zara
3. 700 views
How many grams of fluorine are required to react with 100g of NaBr in the following reaction: F2 + 2NaBr --> 2NaF + Br2Also,
1. 4 answers
2. asked by Timofey
3. 699 views
Summary of the soft voice of the serpent
1. 3 answers
2. asked by Wade
3. 674 views
Which pronoun correctly completes the sentence?Everyone in the girls’ choir has ___ own concert folder. A. she B. her C. their
1. 7 answers
2. asked by Nikki
3. 674 views
80. Determine the sum for the arithmetic series:n = 37, t1 = 23, t37 = 203 a. 5631 b. 8362 c. 6742 d. 4181 81. Determine the sum
1. 0 answers
2. asked by Holly
3. 668 views
Explain how dispersion forces, dipole-dipole forces, and hydrogen bonds (intermolecular forces) affect the 2 states of matter
1. 1 answer
2. asked by K
3. 665 views
input/output, 1,8 2,14 3,?
1. 1 answer
2. asked by Anonymous
3. 664 views
1. My summer house is in the fiel. I can take a walk. I can play hide-and-seek, too. I can have fun there.(No problem?) 2. I can
1. 1 answer
2. asked by rfvv
3. 658 views
mass = 4.5 kg Compare and contrast the mass and weight of this bowling ball on Earth and the moon.
1. 2 answers
2. asked by Cj
3. 652 views
A 15 kg, 1m wide door which has frictionless hinges is closed but unlocked. A 400 g ball hits the exact middle of the door at a
1. 2 answers
2. asked by Dan
3. 649 views
The Harding Co. in its first year earned $39,000 in revenues and received $33,000 cash from customers. They incurred expenses
1. 0 answers
2. asked by Roberta
3. 649 views
In Example 2, find the percent of the total and the number of degrees in each sector for mountains, theme parks, relatives, and
1. 1 answer
2. asked by Kelly
3. 646 views
Hello!Could someone please read this report on my trip to Paris, and correct it? Thank you! Mon voyage en France était très
1. 3 answers
2. asked by Erika
3. 629 views
Two pieces of wire are stretched from the top M, of a vertical pole to the points L and N on the horizontal ground, The angle of
1. 1 answer
2. asked by lindsay
3. 625 views
Bret and Shawn are playing a game where each turn the players roll a 20-sided die fair and then add the number they get to their
1. 3 answers
2. asked by Dan
3. 616 views
Dave walked from point A to point B due North East for a distance of 20m. He immediately changed direction and walked 50m from B
1. 1 answer
2. asked by lindsay
3. 606 views
find the pair own parallel lines1)-12y+15x=-4 2)4y=-5x-4 3)15+12y=-4
1. 1 answer
2. asked by aman
3. 603 views
To make the punch, the staff adds 250 milliliters of fruit juice for every 5 liters of punch. How many liters of fruit juice
1. 3 answers
2. asked by Anonymous
3. 603 views
how many moles of nh3 are produced from 16 grams of n2 ?
1. 1 answer
2. asked by jojo
3. 598 views
Need help writing this into Pseudocode Format: Robert has a van rental company, and he wants a program that determines the total
1. 0 answers
2. asked by Bill
3. 595 views
CH3BR+_->_+C2H6
1. 0 answers
2. asked by afifa
3. 591 views
On the top right of the page, it has a link that says "Chat With Live Tutors", are the tutors who work on this site or other
1. 3 answers
2. asked by Celest
3. 586 views
a body moving with a uniform acceleration travels distance of 24m and 64m during the first two equal consecutive interval of
1. 0 answers
2. asked by Anonymous
3. 580 views
Choose a formula for the nth term of the sequence:a2 , a4 , a6 , ... 2 4 8 a^2n 2^n a^2n 2n a^2n 2+n 2^n a
1. 2 answers
2. asked by Holly
3. 578 views
In triangle ABC, a = 5, b = 9, and c = 6. Find angle A, angle B, and angle C.a. 38.9°, 109.5°, 331.6° b.31.6°, 109.5°,
1. 2 answers
2. asked by Holly
3. 577 views
find the pair of parallel lines1)-12y+15x=4 2)4y=-5x-4 3)15x=12y=-4
1. 1 answer
2. asked by aman
3. 577 views
A 15 kg, 1m wide door which has frictionless hinges is closed but unlocked. A 400 g ball hits the exact middle of the door at a
1. 5 answers
2. asked by Hale
3. 576 views

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