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Questions Asked on January 21, 2013

A hot air balloon is observed from two points A and B on the ground A and B are 800 feet apart the balloon is east of both
1. 1 answer
2. asked by Adreeanna
3. 5,075 views
The Formula s= sqrt 30fd can be estimated the speed of s, in miles per hour that a car is traveling when it goes into a skid,
1. 5 answers
2. asked by Ana
3. 4,680 views
The region bounded by the given curves is rotated about the specified axis. Find the volume V of the resulting solid by any
1. 1 answer
2. asked by Em
3. 3,437 views
the perimeter of an ellipse with an area equal to 12pi square units if the non opposite vertices are 5units apart
1. 3 answers
2. asked by alysa
3. 3,322 views
1. To the north, Canada borders the (1 point)Atlantic Ocean. Pacific Ocean. Arctic Ocean. North Sea. 2. Volcanoes produced the
1. 24 answers
2. asked by tesj
3. 3,206 views
I've been stuck on this equation for a while and I don't know if i'm missing a key part to the equation.. i just need help!If
1. 2 answers
2. asked by Larry
3. 3,113 views
Complete the table to determine the balance A for $20,000 invested at rate r = 6% for t years, compounded continuously.chart
1. 2 answers
2. asked by Anonymous
3. 2,629 views
A pharmacist has 40% and 60% iodine solutions on hand. How many liters of each iodine solution will be required to produce 4
1. 2 answers
2. asked by juan
3. 2,483 views
find the area of a regular pentagram if one of the sides of inner pentagon is 3cm
1. 3 answers
2. asked by alysa
3. 2,367 views
A 25 mF capacitor is connected to a source of potential difference 100V. What is the resulting charge in the capacitor?
1. 2 answers
2. asked by rubi
3. 2,320 views
a 65 kg student, starting from rest , slides down an 8 meter high water slide. how fast is he going at the bottom of the slide ?
1. 1 answer
2. asked by Bobby
3. 2,201 views
Suppose a student started with 128 mg of trans-cinnamic acid and 0.52 mL of a 10% (v/v) bromine solution, and after the reaction
1. 3 answers
2. asked by UCI KID
3. 2,042 views
In the first order, reaction A yields products, A=0.400M initially and 0.250M after 15.0 min. What is the value of the rate
1. 2 answers
2. asked by Jeremy
3. 1,994 views
A class has 21 students . 10 boys and 11 girls . What fraction of the class is made up of boys
1. 2 answers
2. asked by Anonymous
3. 1,754 views
A 2kg object is attached to a spring and undergoes simple harmonic motion. At t=0 the object starts from rest, 10 cm from the
1. 1 answer
2. asked by Mary
3. 1,531 views
What are the equations of the circles tangent to the x-axis, of radius 4 and whose center is at (-2,y)Please help, how do I
1. 2 answers
2. asked by Lance
3. 1,335 views
Kayla is 18 months old. She looked at Mrs. Crenshaw and said, "seblisboo." Mrs. Crenshaw did not understand any of what Kayla
1. 5 answers
2. asked by Farida
3. 1,324 views
Which set of integers is not closed under what operation?+ - x Division I thought it was division but I don't understand , can
1. 2 answers
2. asked by b6
3. 1,272 views
A football punter accelerates a football from rest to a speed of 9.1 m/sduring the time in which his toe is in contact with the
1. 1 answer
2. asked by Lindsey
3. 1,251 views
You have $6000 to invest in two stock funds. The first fund pays 5% annual interest and the second account pays 9% annual
1. 3 answers
2. asked by Mbaintu
3. 1,237 views
If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4 h, a swimmer
1. 1 answer
2. asked by Anonymous
3. 1,222 views
I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also
1. 2 answers
2. asked by Krissy
3. 1,214 views
A 45kg sample of water absorbs 364kJ of heat. If the water was initially at 28.2 Celcius, what is its final temperature? How do
1. 1 answer
2. asked by Final Water Temperature
3. 1,208 views
Car A with mass of 1250 kg is traveling at 30 m/s to the east. Car B is a truck with mass of 2000 kg, traveling to the west at
1. 2 answers
2. asked by Mauro Dar
3. 1,185 views
What would be the concentration of dinitrogen pentoxide after 6.00 X 10(2) seconds and how long would it take for the
1. 5 answers
2. asked by Chris
3. 1,162 views
2. A propeller on a gas turbine rotates 64° every 2.70 minutes. What is the angular velocity in rev/s? What is the linear speed
1. 1 answer
2. asked by Prince
3. 1,128 views
A pharmacist has 40% and 60% iodine solutions on hand. How many liters of each iodine solution will be required to produce 4
1. 0 answers
2. asked by juan
3. 1,122 views
Calculate the molarity and molality of 37.0%(w/w) HCI with a density of1.19 g mL-1.The molecular mass of HCI is 36.46 g mol-1.
1. 4 answers
2. asked by rohaya
3. 1,095 views
what volume of air is contained in an empty 250 mL aluminum can
1. 3 answers
2. asked by dawson
3. 1,094 views
Part 1: How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2
1. 2 answers
2. asked by Deborah
3. 1,014 views
This problem is 1st order for half life.How long would it take for the concentration of cyclopropane to decrease to 50% of its
1. 1 answer
2. asked by Chris
3. 1,008 views
A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4
1. 6 answers
2. asked by Ld
3. 1,004 views
Identify 4 functional group: HO-HO-BENZENE RING-CH2-CH-NH2-C=O-OH1)carboxylic acid functional group 2)amine functional group
1. 3 answers
2. asked by john
3. 988 views
Find the volume V of the described solid S.The base of S is a circular disk with radius 4r. Parallel cross-sections
1. 1 answer
2. asked by Em
3. 985 views
How do I write four equivalent expressions for 50+225
1. 8 answers
2. asked by Anonymous
3. 984 views
If we put this ice cube out in the sun, what do you think will happen?" This is a/an __________ question.A. explanation B.
1. 1 answer
2. asked by Farida
3. 982 views
An estimate for 8 1/6 . 9 3/4Simplify your answer. Type a whole number, proper fraction, or mixed number
1. 1 answer
2. asked by Rochelle Ambush
3. 976 views
Identify 4 functional group:O || HO CH2 C \ / \ / \ Benzen ring CH OH / | HO NH2 1)carboxylic acid functional group 2)amine
1. 2 answers
2. asked by john
3. 969 views
What will happen to the time of collision if you add weight to a cart but keeps its speed the same and send it rolling down a
1. 1 answer
2. asked by Eric
3. 960 views
A sports car moving at constant speed travels 150 meters in 5.4 seconds , then brakes and comes to a stop in 3.9 secondsWhat is
1. 2 answers
2. asked by Tanner
3. 948 views
Dr. Bob222,Please see my additional posts on Jan 20 at 2:26pm and Jan 21 at 12:33 am. This is in reference to the redox
1. 4 answers
2. asked by Sushmitha
3. 942 views
After landing safely on the target the cat tries another projectile apparatus. This time the cat is shot out of a cannon over a
1. 0 answers
2. asked by luellen
3. 929 views
A. Choose between the preterite or the imperfect.We wanted to buy the car. QuisimosQuer�amos comprar el auto. � The man
1. 2 answers
2. asked by Victoria
3. 892 views
calcium carbonate decomposes if heated to form calcium oxide and carbon dioxide. if 24.5 grams of calcium carbonate decompose
1. 1 answer
2. asked by Channon
3. 891 views
Is hot cocoa considered thermal energy when it is really hot with steam coming out?
1. 1 answer
2. asked by Harry Please Helppp
3. 886 views
on a scale drawing 1/2 in.=1 ft. a room is pictured as 8in. by 6.5 inches. What are the actual dimensions in feet?
1. 2 answers
2. asked by Anonymous
3. 881 views
Simplify: (4x + 5)(4x2 + x - 4)
1. 2 answers
2. asked by Anonymous
3. 849 views
Ms. Sue im the person that posted at 1:58 ! Can you please explain, instead of wrong or right,
1. 1 answer
2. asked by Anonymous
3. 846 views
A)How did corruption in city government grow? B) How did people react to this corruption?PLEASE HELP! i have a test tommorrow
1. 1 answer
2. asked by MS. SUE PLEASE HELP!
3. 843 views
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both
1. 1 answer
2. asked by Anonymous
3. 838 views
Ascorbic acid (vitamin C, C6H8O6) is a water-soluble vitamin. A solution containing 83.3 g of ascorbic acid dissolved in 210. g
1. 1 answer
2. asked by Samantha
3. 818 views
I'm wondering how to answer this.The conjugate of 2-Square root 3 is?
1. 2 answers
2. asked by Krissy
3. 807 views
Which of the following numbers are equivalent to 20%? Choose all that apply.Which of the following numbers are equivalent to
1. 3 answers
2. asked by Anonymous
3. 799 views
please walk me through this I am having a hard time with thisA survey of 500 showed the following 15 had only camping 20 had
1. 1 answer
2. asked by carol
3. 785 views
A charged nonconducting rod, with a length of 3.83 m and a cross-sectional area of 5.69 cm2, lies along the positive side of an
1. 0 answers
2. asked by k
3. 750 views
what is significance of Machiavelli in politics?
1. 5 answers
2. asked by luellen
3. 737 views
which term suits this sentence:--------- often led to corruption, as some officeholders helped themselves to public money. Fill
1. 5 answers
2. asked by Rebecca
3. 715 views
A car starts from rest and travels for 7.0 s with a uniform acceleration of +2.3 m/s2. The driver then applies the brakes,
1. 1 answer
2. asked by Anonymous
3. 707 views
no one would have attended the lecture if you told truth about the guest speaker
1. 2 answers
2. asked by sari
3. 702 views
What is Delaware home to?
1. 1 answer
2. asked by Anonymous
3. 697 views
A bat emits a sound whose frequency is 83.6 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature
1. 1 answer
2. asked by Anonymous
3. 693 views
True or false?equal masses of two different gases placed in containers of equal volume at equal temperature must exert equal
1. 1 answer
2. asked by John
3. 692 views
how many militers of a 2.0M solution is required to prepare 50ml 0f a 0.3M solution
1. 1 answer
2. asked by Anonymous
3. 690 views
A toy car moves down an incline with an acceleration of 20 cm/s/s. what will its velocity be in 5 sec? what distance will it
1. 1 answer
2. asked by Matt
3. 682 views
Can someone please help with this problem and explain it please? If soil has a density of 1.32 g/cm cubed, then what does 1.0
1. 1 answer
2. asked by Sally
3. 678 views
How do you create a bar graph for science?
1. 1 answer
2. asked by Jessica
3. 675 views
a cylindrical soup can has a radius of 4.1 inches and a height of 2 inches. find the volume of this can in terms of pi
1. 1 answer
2. asked by Anonymous
3. 674 views
What acceleration will cause a bus to travel a distance of 200 meters in 10 sec if it starts from rest
1. 1 answer
2. asked by Matt
3. 672 views
Find the no. of terms1. 3,5,7...33 2.-5,-1,3,...75 Solve each problem. 1. In the Arithmetic sequence 5,8,11,14.... what is n if
1. 2 answers
2. asked by Aliza
3. 669 views
A 35 kg child starting from rest slides down a hill with a vertical height of 20m. What is the child's speed at the bottom of
1. 1 answer
2. asked by Pascha
3. 666 views
Situation 1: You have eight billiard balls. One of them is "defective," meaning that it weighs more than the others. How do you
1. 0 answers
2. asked by Sarah
3. 660 views
A rocket sled exerts 3.00(10^4) N of thrust and has a mass of 2.00(10^3) kg. What does it do "zero to sixty" in? How many g's
1. 1 answer
2. asked by Julie G.
3. 658 views
What are three differences between an inconsistent system and a consistent and independent system? Explain.
1. 0 answers
2. asked by Anonymous
3. 651 views
Using the central limit theorem, construct a 95% confidence interval for the average total cry time for infants in the control
1. 1 answer
2. asked by Gavin
3. 650 views
Jill is 2 years older than Mike. in 5 years, 5 times Mike's age will be 4 times Jill's age. how old is Mike? Write an equation
1. 0 answers
2. asked by Anonymous
3. 647 views
First estimate the answer. Then multiply to find the exact answer. Simplify all answers.8 1/6 . 9 3/4
1. 3 answers
2. asked by Rochelle Ambush
3. 646 views
What would be the concentration of dinitrogen pentoxide after 6.00 X 10(2) seconds and how long would it take for the
1. 1 answer
2. asked by Chris
3. 638 views
The difference between two numbers is 18. If the sum of three times the smaller number and half the larger number is 2, find the
1. 1 answer
2. asked by juan
3. 625 views
What mass of glucose can be produced froma photosynthesis reaction that occurs using 21.2 mol CO2? Answer in units of g
1. 1 answer
2. asked by John
3. 619 views
a 40 kg high jumper leaves the ground with a speed of 6m/s. how high can he jump ?
1. 1 answer
2. asked by Bobby
3. 617 views
In a neighborhood 10 houses are for sale and 53 are not for sale. Write a fraction representing the portion of houses that are
1. 2 answers
2. asked by Anonymous
3. 615 views
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 4.5). The empty capacitor
1. 1 answer
2. asked by adam h.
3. 610 views
what steps someone would take to use your method (substitution)and a clear argument stating the reason why your method is better
1. 3 answers
2. asked by da
3. 605 views
Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.y = (64 −
1. 1 answer
2. asked by Em
3. 601 views
I am reading an article about Britney Spears leaving the X-Factor. On of the lines says "she wasn't a great judge, but she
1. 1 answer
2. asked by Jackie
3. 600 views
Karen asked, "Where does rain come from?" The best response for her teacher is:A. "The clouds." B. "I don't really know, Karen."
1. 1 answer
2. asked by Farida
3. 596 views
what steps someone would take to use your method (substitution)and a clear argument stating the reason why your method is better
1. 0 answers
2. asked by da
3. 595 views
Account for the following observation:1)Ammonia is exceptionally soluble in water. 2)Hydrogen fluoride ,HF, has a higher boiling
1. 0 answers
2. asked by Danial
3. 590 views
A car starts from school gaining a speed at the rate of 2 km/min/sec. how long will it take to nave a speed of 50 km/min?
1. 2 answers
2. asked by Matt
3. 581 views
If instead, the swimmer makes 93.5 laps in the same pool in 4 h, determine the total distance the swimmer traveled, the
1. 1 answer
2. asked by Anonymous
3. 571 views
which group best fits this sentence:groups: African Americans, Asian Americans, Mexican Americans, Native Americans Sentence:
1. 1 answer
2. asked by AnnE
3. 571 views
In the given right triangle, find the missing length.The triangle has 24m on the right and on the left is c and at the bottom is
1. 1 answer
2. asked by Shaunta Davis
3. 568 views
A vessel containing 39.5 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted,
1. 1 answer
2. asked by jacfar
3. 568 views
why did the shipbuilders choose coastal locations such as Portsmouth for shipbuilding?????? HELP!!!!!
1. 4 answers
2. asked by Anonymous
3. 563 views
I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!
1. 1 answer
2. asked by Macy
3. 550 views
how much heat is produced when the body metabolizes a gram of trioleylglycerol?I know that the combustion of triolelglycerol is
1. 1 answer
2. asked by Timofey
3. 550 views
A 95 kg fullback is running at 7.5 m/s to the east and is stopped by a head-on tackle by a tackler running due west a 12.4 m/s.
1. 2 answers
2. asked by Anonymous
3. 548 views
Benzoic acid react with NH2 groupDraw the product of this reaction, name the new functional group produced, state the type of
1. 2 answers
2. asked by john
3. 541 views
A pendulum and a mass spring system are both undergoing simple harmonic motion on Earth (use g = 10 N/kg). It is observed that
1. 1 answer
2. asked by Anthony
3. 531 views
Karen asked, "Where does rain come from?" The best response for her teacher is:A. "The clouds." B. "I don't really know, Karen."
1. 1 answer
2. asked by Farida
3. 527 views

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