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2012
February

Questions Asked on February 1, 2012

A bicycle and its rider together have a mass of 80 kg. If the bicycle's speed is 6m/s, how much force is needed to bring it to a
1. 3 answers
2. asked by Jessica
3. 15,032 views
A bag contains 6 blue balls, 4 green and 2 red. If you put your hand in and picked a ball at random what are the chances it is
1. 4 answers
2. asked by Anonymous
3. 4,818 views
The terminal side of θ lies on a given line in the specified quadrant. Find the values of the six trigonometric functions of θ
1. 2 answers
2. asked by andrea
3. 4,189 views
A farmer has 80 feet of fencing, which she plans to use to fence in a plot of land for a pigpen. If she chooses to enclose a
1. 1 answer
2. asked by Chelsea
3. 4,057 views
Sullivan's Handbags marks up their bags at 45% of the selling price. Pat Sullivan saw a bag at a trade show that would sell for
1. 1 answer
2. asked by Renee
3. 3,558 views
A thermally insulated 50 ohm resistor carries a current of 1 A for 1 s. The initial temperature of the resistor is 10 degree
1. 2 answers
2. asked by prabhu
3. 3,412 views
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the?Use the method of
1. 1 answer
2. asked by John
3. 3,039 views
find the geometric mean of 275 and 11275/x=x/11 x^2= 3025 x=sq rt 3025 now I'm not sure what to do.
1. 2 answers
2. asked by Brandon
3. 2,689 views
There are two spinners. Each spinner is numbered 1-4. Each spinner is spun once. Find the probability of spinning each of the
1. 23 answers
2. asked by Katy
3. 2,420 views
Two particles Q and P are shot up vertically.P was first shot with velocity of40m/s and after4s.Q was also shot up.If upon
1. 4 answers
2. asked by Boateng Emmanuel
3. 2,415 views
From what acid and what base are the following salts made: KBr, NH4NO3, and BaCl2?
1. 1 answer
2. asked by maree
3. 2,394 views
A man has a mass of 70 kg.A) What would his weight be on Jupiter which as an acceleration of gravity of 25m/s^2? B) What would
1. 2 answers
2. asked by Jess
3. 2,392 views
When is a wrestler "king of the ring"?
1. 4 answers
2. asked by Anonymous
3. 2,334 views
Consider the following substance:Al2(SO4)3 What is the oxidation number of: a) aluminum b) sulfur c)oxygen
1. 2 answers
2. asked by sam
3. 2,295 views
1. A chemical crystal weighs 3.630 grams in air and 1.820 grams when immersed in an oil. If the specific gravity of the oil is
1. 2 answers
2. asked by eliza
3. 2,278 views
a group of 9 people spent $78 to go to the movies.adult tickets cost$10 each and student tickets cost $8 each.How many adult
1. 4 answers
2. asked by zack
3. 2,188 views
A coin is placed on a vinyl stereo record that is making 33 1/3 revolutions per minute on a turntable.In what direction is the
1. 1 answer
2. asked by colleen
3. 2,132 views
tell whether .1M solutions of the following salts would be acidic, neutral, or basic: CaCl2, CuSO4, (NH4)2SO4, KClO4, KClO4,
1. 1 answer
2. asked by maree
3. 2,118 views
There are two spinners. Each spinner is numbered 1-4. Each spinner is spun once. Find the probability of spinning each of the
1. 1 answer
2. asked by Katy
3. 2,117 views
There are 18 bikes in a bike rack. There are 4 more blue bikes than yellow bikes and 2 less yellow bikes than green bikes. How
1. 6 answers
2. asked by susan
3. 2,055 views
MEASUREMENT:A woman is 5 ft tall and her shadow is 4ft long a nearby tree has a shadow 30 ft long. how tall is the tree? my
1. 4 answers
2. asked by marko
3. 2,025 views
Hello,I have a question that reads, "What is the pH of a 0.01M (10mM) solution of arginine that has a net charge of -.65?" I
1. 1 answer
2. asked by Ashley
3. 2,013 views
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see
1. 2 answers
2. asked by Anne
3. 1,998 views
At 20 °C, chloroform (CHCl3) has a density of 1.489 g/mL. What is the mass of 7.52 mL of chloroform at 20°C?
1. 1 answer
2. asked by katie
3. 1,974 views
10 friends share 7 dollars,what is the fraction?
1. 6 answers
2. asked by John
3. 1,955 views
Suppose you are going on a weekend trip to a city that is d miles away. Develop a model that determines your round-trip gasoline
1. 1 answer
2. asked by VEE
3. 1,896 views
A tree cast a 24 foot shadow at the same time a fence post 5 feet high cast a 4 foot shadow. How tall is the tree?
1. 2 answers
2. asked by Rue Ann
3. 1,783 views
A Ferris wheel with a diameter of 100feet rotates at a constant rate of 4 revolutions per minute. Let the center of the Ferris
1. 2 answers
2. asked by Anonymous
3. 1,774 views
Which of the following is an example of an inherited trait?A. Migration in geese B. Hunting behavior of tigers C. A child riding
1. 4 answers
2. asked by Andrew
3. 1,688 views
A patient has 0.050 L of blood drawn and this volume of blood has a mass of 55.0 g. What is the density of the blood? Answer
1. 3 answers
2. asked by k
3. 1,678 views
A beam of electrons traveling with a speed of 3.00 x 107 m/s enters a uniform, downward electric field of magnitude 1.17 x 104
1. 0 answers
2. asked by Ashley
3. 1,636 views
Which compound below would be expected to have the highest boiling point?a) CH3-CH2-CH2-CH2-CH2-CH2-CH3 b)
1. 1 answer
2. asked by Sam
3. 1,627 views
A car's initial velocity of 13.5 m/s accelerates at a rate of 1.9 m/s^2 for 6.2 s. Then, it accelerates at a rate of -1.2 m/s^2
1. 2 answers
2. asked by Erica
3. 1,579 views
A researcher is measuring problem-solving times for a sample of n = 20 children. However, one of the children fails to solve the
1. 2 answers
2. asked by Ang
3. 1,571 views
A park at the end of a city block is a right triangle with legs 150 ft and200 ft long. Make a scale drawing of the park using
1. 2 answers
2. asked by ian
3. 1,562 views
A motorcycle traveling 91.0 km/hr approaches a car traveling in the same direction at 83.0 km/hr. When the motorcycle is 52.0 m
1. 2 answers
2. asked by bbadger
3. 1,554 views
Consider the function f(x)=6x-cos(x)+5 on the interval 0 is less than or equal to x, and x is less than or equal to 1. The
1. 1 answer
2. asked by Anonymous
3. 1,530 views
Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. What mass of hydrochloric acid reacts when
1. 1 answer
2. asked by Kendall
3. 1,524 views
Simplify the expression √x2 +1 as much as possible after substituting tan(θ) for x.
1. 1 answer
2. asked by Courtney
3. 1,474 views
how can we find the value of sin -720
1. 1 answer
2. asked by deeepika
3. 1,434 views
Factor the polynomial as the product of factors that are irreducible over the real numbers. Then write the polynomial in
1. 1 answer
2. asked by Chelsea
3. 1,413 views
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 5.20 m/s,
1. 1 answer
2. asked by Haze
3. 1,397 views
Landon can climb a certain hill at a rate that is 2.5 mph slower than his rate coming down the hill. If it takes him 6 hours to
1. 1 answer
2. asked by Matt
3. 1,391 views
1) An NaOH solution of unknown concentration is titrated with HCl.51.9 mL of 0.400 mol/L HCl will neutralize 75.0 mL of the
1. 3 answers
2. asked by TIANDRA
3. 1,391 views
calculate the force of gravity between earth (mass = 6.0 x 1024kg) and the moon (mass = 7.4 x 1022 kg). the average Earth-moon
1. 1 answer
2. asked by marie
3. 1,379 views
The Ka value for HCN is 4.9x10^-10. What is the value of Kb for CN-?
1. 1 answer
2. asked by mary
3. 1,369 views
Find the equation of the tangent line to the curve y=sqrt(x) at x = c. Put the answer in slope intercept form y=mx+b. Use the
1. 1 answer
2. asked by jon
3. 1,360 views
A nanometer(nm ) is one billionth of a meter (1 nm=10-9m). If 100 million atoms make a row 1 cm in length what is the diameter
1. 1 answer
2. asked by glenn help help help
3. 1,360 views
Which compound below would be expected to have the highest boiling point?a) CH3-CH2-CH2-CH2-CH2-CH2-CH3 b)
1. 1 answer
2. asked by Sam
3. 1,326 views
I keep getting wrong answer for this question.Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)
1. 2 answers
2. asked by Matthew
3. 1,320 views
Is (NH4)2 CO3 ionic or covalent?
1. 1 answer
2. asked by S
3. 1,319 views
if the distance between crest were 1.5 meters apart, and 2 crest pass the pole each second, what would be the speed of the wave
1. 2 answers
2. asked by natalie
3. 1,287 views
Find the electric potential energy for the following array of charges: charge q1 = +3.0 µC is located at (x, y) = (0.0, 0.0) m;
1. 1 answer
2. asked by anybody?
3. 1,232 views
What did the United States gain from the War of 1812?
1. 1 answer
2. asked by stephanie
3. 1,219 views
When temperature changes during the day, which scale, Celsius or Fahrenheit, will read a smaller change? and why?
1. 2 answers
2. asked by anonymous
3. 1,213 views
Three factors control the rate of evaporation of a liquid: surface area, temperature, and strengths of intermolecular forces.
1. 1 answer
2. asked by Anna King
3. 1,203 views
Streptomycin, an antibiotic, is produced on a large scale in the United States. The purified solution contains 50 wt%
1. 1 answer
2. asked by debbie
3. 1,201 views
Picabo borrows $1,000. To repay the amount she makes 12 equal monthly payments of $90.30. Determine the following:(a) The
1. 0 answers
2. asked by Anonymous
3. 1,192 views
I have the problem:A triangle has a base of 3.6 cm and an area of 22.32 cm squared. What is the height of this triangle. The
1. 1 answer
2. asked by Brandi
3. 1,182 views
Zenapax® is used as part of immunosuppressive therapy for transplant patients. The dosage is calculated on the basis of 1.0
1. 2 answers
2. asked by kr
3. 1,170 views
Use the given root to find the solution set of the polynomial equation.x^3 + 8x^2 -18x +20= 0 ; 1+i
1. 1 answer
2. asked by Chelsea
3. 1,166 views
If teacher x gives a pop quiz on Monday and then every five classes, and teacher y gives a pop quiz on Monday and then every six
1. 1 answer
2. asked by Teresa
3. 1,136 views
At an arts and crafts fair, 65% of the vendors are selling either wooden handicrafts of paintings. What is that percent rounded
1. 1 answer
2. asked by gary
3. 1,136 views
Light travels at a speed of 186,282 miles per second. How could this number be expressed in scientific notation?1)1,862.82 x 10
1. 1 answer
2. asked by katy
3. 1,129 views
A hydrogen atom has a single proton at its center and a single electron at a distance of approximately 0.0537 nm from the
1. 1 answer
2. asked by anybody?
3. 1,123 views
A tennis ball is thrown horizontally from an elevation of 20.60 m above the ground with a speed of 21.0 m/svertical m from
1. 0 answers
2. asked by Anonymous
3. 1,116 views
Sam has 5 red shirts 2 pink shirts and 3 yellow shirts. If she closed her eyes and chooses one shirt at random to wear on
1. 1 answer
2. asked by Brianna
3. 1,096 views
the retina of a human eye can detect light when radiant energy incident on it is at least 4.0x10^-17 J. For light that is 565 nm
1. 1 answer
2. asked by Any
3. 1,079 views
Marla has three secret code cards. The first shows a 37. The second card has the first box blanked out, and the second box is a
1. 5 answers
2. asked by Mythreyee
3. 1,077 views
I really need someone to help with errors.Teenagers and Driving: A Dangerous Combination Teenagers and vehicles can be a very
1. 0 answers
2. asked by Joel
3. 1,077 views
what would be the fee for a buyer to purchase 2 discount points on a home with a sale price of 275,000
1. 1 answer
2. asked by Ashley
3. 1,073 views
the distribution of scores on a test is mound shaped and dsymmetric with a mean score of 78. if 68 percent of the scores fall
1. 2 answers
2. asked by Josh
3. 1,049 views
1. Jacksonville Technical College received $3,445,553 in state aid on September 15 for the fall academic semester. The
1. 5 answers
2. asked by T.
3. 1,045 views
The following reaction has the following standard thermodynamic parameters:Reaction: C(g) + D(g)----> E(g) Delta H
1. 1 answer
2. asked by Kay
3. 1,039 views
the RDA of the amino acid lysine is 12 mg per kg of body weight. How many grams per day should a 77.0 kg adult receive?
1. 3 answers
2. asked by lou
3. 1,037 views
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The
1. 2 answers
2. asked by Betty
3. 1,034 views
Charges of -10.8 nC and -24.2 nC are separated by 0.813 m. What is the potential midway between the two charges?
1. 0 answers
2. asked by Ashley
3. 1,032 views
Solve the inequality by first rewriting it as an equivalent inequality without absolute value bars. Express solution set using
1. 1 answer
2. asked by Chelsea
3. 1,031 views
How many moles of hypochlorous acid are needed to react with 0.621 mol of 9-fluorenol?please help
1. 1 answer
2. asked by Timmy
3. 1,024 views
The angle of elevation to the top of a very tall Building is found to be 15° from the ground at a distance of 1 mi from the
1. 1 answer
2. asked by Anonymous
3. 1,010 views
For each solution whose pH value deviated from 7.0 by at least 1.0 pH unit, give an equation accompanied by a statement which
1. 1 answer
2. asked by mary
3. 1,004 views
Karen has a mass of 62.60 kg and she rides the up escalator at Woodley Park Station of the Washington D.C. Metro. Karen rode a
1. 1 answer
2. asked by Ethan
3. 999 views
A 5.50 bucket of water is accelerated upward by a cord of negligible mass whose breaking strength is 77.0 . If the bucket starts
1. 1 answer
2. asked by Emily
3. 997 views
I do not need a link, just a straight up answer please.What are 3 saftey tips you can give me for 'Tornadoes'?
1. 3 answers
2. asked by Sarah
3. 984 views
Calculate the miles of potassium hydrogen phthalate in your weighed sample.Potassium hydrogen phthalate : 4.0759g
1. 1 answer
2. asked by Anonymous
3. 982 views
abbi invested 1,500 dollars in a certificate of deposit with a simple interest rate of 4 percent. find the interest earned in 6
1. 2 answers
2. asked by iconiac and a granderz fan
3. 981 views
i want know how to say this in words. I try myself in brackets. i am doing this for bio class so if i have to speak out loud
1. 4 answers
2. asked by Shreya
3. 979 views
First, what is the code for What should you say when you meet an angel? Second, what are the answers to it for 9-14?
1. 9 answers
2. asked by ;D
3. 971 views
A person throws a 2.5 lb stone into the air with an initial upward speed of 15 ft/s. Make a free-body diagram for this stone (a)
1. 0 answers
2. asked by joe
3. 964 views
A car starts from rest at a stop sign. It accelerates at 4.6 m/s^2 for 7.4 s, coasts for 1.8 s, and then slows down at a rate of
1. 0 answers
2. asked by T.J
3. 959 views
solve for x2^x=0.125 5^2x=39 13^x=27
1. 2 answers
2. asked by Matthew
3. 958 views
if you have the numbers 41,67,13,44,25 and they want you to find the mode would there be no mode? I know mode is the number that
1. 1 answer
2. asked by jill
3. 957 views
a car traveling on a straight road at 20 meters per second accelerates to 26 meters per second in 12 seconds. what is the total
1. 1 answer
2. asked by lisa
3. 957 views
Zenapax® is used as part of immunosuppressive therapy for transplant patients. The dosage is calculated on the basis of 1.0
1. 1 answer
2. asked by kr
3. 957 views
The temperature outside rose 41 degrees during a 12 hour period. If the temperature rose the same number of degrees every hour,
1. 1 answer
2. asked by peter
3. 949 views
in the poem "the journey" by mary oliver,what is the "you" do in this poem?
1. 2 answers
2. asked by amie
3. 941 views
A 45.5-g Super Ball traveling at 29.0 m/s bounces off a brick wall and rebounds at 19.5 m/s. A high-speed camera records this
1. 4 answers
2. asked by Anonymous
3. 936 views
Like the writers in the short story collection, Mori reveals his character's thoughts and feelings by providing dialogue,
1. 15 answers
2. asked by Anonymous
3. 936 views
A pipe is measured once with a steel tape with markings every .1mm.The two ends of the pipe line up with the 0 and 40-m marks
1. 0 answers
2. asked by lou
3. 915 views
Describe the to type of energy changes that can occur in a chemical reaction Thanks
1. 1 answer
2. asked by glenn help help help
3. 911 views

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