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Questions Asked on September 29, 2011

A 3.5 kg block is pushed along a horizontal floor by a force of magnitude 15 N at an angle è = 40° with the horizontal. The
1. 4 answers
2. asked by Don
3. 19,016 views
A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur.So
1. 5 answers
2. asked by sol
3. 14,256 views
An airplane is flying in still air with an airspeed of 325 miles per hour. If it is climbing at an angle of 20°, find the rate
1. 6 answers
2. asked by Mary
3. 10,719 views
A soccer ball is kicked with an initial horizonal velocity of 18 m/s and an initial vertical velocity of 18 m/s.1) What is the
1. 2 answers
2. asked by Aziz
3. 9,770 views
5. Thomas Jefferson and Thomas Paine shared a similar purpose for writing. What was their purpose?(2 points) to express and
1. 13 answers
2. asked by Amy
3. 7,556 views
When a 0.952 g sample of an organic compound containing C, H,and O is burned completely in oxygen, 1.35 g of CO2 and0.826 g of
1. 2 answers
2. asked by Eddy
3. 5,882 views
maria rented the same car twice in one month. She paid $180 the first rime for 3 days and she drove a total of 150 km. The next
1. 3 answers
2. asked by Anonymous
3. 4,956 views
What are the advantages of using a solvent pair for recrystallization? Select all that apply.A) You can control the solubility
1. 2 answers
2. asked by Lisa
3. 3,790 views
A rock is placed into a graduated cylinder containing 80 mL of water. What is the volume of the rock if the water level rises to
1. 8 answers
2. asked by Miracle
3. 3,399 views
Typical of ballad "lord randall" omits details and ends with half the strory told. do you think the young man's lover poisned
1. 2 answers
2. asked by Mark J
3. 3,385 views
Two forces are applied to ring of a force table, one at an angle 20.0 degrees and the other at an angle of 80.0 degree.
1. 1 answer
2. asked by lisa
3. 2,590 views
How many CO2 molecules can be made with 0.500 mol of oxygen atoms?
1. 4 answers
2. asked by Monique
3. 2,584 views
find the area of the segment formed by a chord 24 cm long in a circle of radius 13 cm.
1. 2 answers
2. asked by tatiana
3. 2,486 views
An oxalic acid solution contains the following species in varying concentrations: H2C2O4, HC2O4-, C2O4^2-, and H+. Which of the
1. 1 answer
2. asked by Amber
3. 2,437 views
Write a program that displays your initials in a pattern on the screen. Compose each initial with six lines of smaller initials,
1. 2 answers
2. asked by Mike
3. 2,376 views
Which one of the following statement best describes what a budget is ?A.A method of figuring out the inflation rate. B.An
1. 7 answers
2. asked by ciara
3. 2,331 views
A job in an insurance office involves telephone conversations with policyholders. The office manager estimates that about half
1. 2 answers
2. asked by rodrigo
3. 2,283 views
4NH3 + 5O2 → 4NO + 6H2O2NO + O2 → 2NO2 3NO2 + H2O → 2HNO3 + NO In this process, the NO made in the last reaction is
1. 2 answers
2. asked by jane
3. 2,133 views
Given: angle ABD is a right angle , angle CBE is a right angle. Prove: angle ABC is congruent angle DBE
1. 1 answer
2. asked by Sam
3. 2,109 views
For what values of x is the tangent line of the graph off(x)=8x3+36x2+46x−72 parallel to the line y=−2x+1.9 ? Enter the x
1. 1 answer
2. asked by Allison
3. 2,069 views
The sum of 25 consecutive integers is 1000. What is the smallest integer used as an addend.
1. 2 answers
2. asked by Vic
3. 2,059 views
Find the volume generated by rotating the area betweeny = cos( 3 x ) and the x axis from x = 0 to x = π/ 12 around the x axis
1. 2 answers
2. asked by sk
3. 2,033 views
is it possible to draw a triangle whose sides measure 5 inches, 9 inches, and 14 inches?
1. 5 answers
2. asked by kelli
3. 2,011 views
Mrs.Sue my homework from yesterday i had wrong instructions i needed to find the mean median and mode. not the outlier an
1. 5 answers
2. asked by Marko
3. 1,973 views
Mrs.Sue my homework from yesterday i had wrong instructions i needed to find the mean median and mode. not the outlier an
1. 6 answers
2. asked by Marko
3. 1,941 views
Animal cells can take up sucrose against its concentration gradient using a Na+/sucrose symporter. Indicate if the following
1. 1 answer
2. asked by Cady
3. 1,850 views
The solubility of a certain compound in ice-cold water is 0.22g in 100mL. Its solubility in hot water is 4.35g in 100mL What is
1. 2 answers
2. asked by tom
3. 1,723 views
a solid hemisphere of weight W rests in limiting equilibrium with its curved surface on a rough inclined plane and its plane
1. 1 answer
2. asked by Vasuki
3. 1,688 views
"Tanya's age is ten years greater than half Aarons age. If the sum of their ages is 55, how old is Tanya?" can who ever solves
1. 2 answers
2. asked by Trisha
3. 1,605 views
Although the trend is shifting, careers in science and technology continue to attract predominately men.
1. 2 answers
2. asked by Katy
3. 1,602 views
To determine the force acting on each mass its was assumed that g=9.80 m/sec2. The value of g at the place where the experiment
1. 2 answers
2. asked by lisa
3. 1,510 views
Only two forces act on an object (mass = 5.27 kg), as in the drawing. Find the (a) magnitude and (b) direction (relative to the
1. 2 answers
2. asked by Anonymous
3. 1,500 views
At 298 K, nitrous acid (HNO2) dissociates in water with a Ka of 0.00071.a)Calculate G° for the dissociation of HNO2. (Use Ka to
1. 1 answer
2. asked by Heather
3. 1,477 views
A poll estimates that 43% of likely voters are in favor of additional restrictions on teenage drivers. The poll has a margin of
1. 1 answer
2. asked by Laila
3. 1,474 views
A car travelling at a constant speed of 136 km/hr passes a tropper hidden behind a billboard. One second after the speeding car
1. 2 answers
2. asked by nikki
3. 1,462 views
Express the repeating decimal 0.513 (the 13 is repeating) as a fraction in lowest terms using the infinite geometric series
1. 3 answers
2. asked by Haile
3. 1,446 views
Please help me with this!Rank the solvents according to their polarities, from the most polar to nonpolar. ethyl acetate, water,
1. 1 answer
2. asked by Michelle
3. 1,442 views
write an equation for the line parallel to the given line that contains C.C(-3,7); y=8/9x +7
1. 1 answer
2. asked by Terre
3. 1,427 views
m^2-5m-14=0.Solve using quadratic formula. Thanks.
1. 2 answers
2. asked by Brandon
3. 1,348 views
The faces of a cube are numbered 1-6. If the cube is tossed once, what is the probabilty that a prime number or a number
1. 1 answer
2. asked by Anonymous
3. 1,330 views
The solubility of salicilyc acid in water at 20C is .2g in 100mL. The solubility is salicilyc acid in boiling water is 6.67g in
1. 1 answer
2. asked by Jessie
3. 1,327 views
The appearance of a document can do all of the following except:a. establish rapport with the audience. b. guide your readers'
1. 4 answers
2. asked by Diana
3. 1,324 views
What is the last thing you should do before turning in your essay?A.Write the secong draft. B.proofread the essay to make it is
1. 8 answers
2. asked by ciara
3. 1,324 views
Let f(x)=21−x^2The slope of the tangent line to the graph of f(x) at the point (−4,5) is ______ . The equation of the
1. 1 answer
2. asked by Allison
3. 1,307 views
Can someone explain to me how to do these?Given the following definite integral and n=4 answer the following questions. (Round
1. 1 answer
2. asked by Patrick
3. 1,301 views
Determine the coordinates of the endpoint of a segment CE with one endpoint at C(3,10) and a midpoint at (-1,-6).Disclaimer:
1. 2 answers
2. asked by Sahana E.
3. 1,266 views
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom??
1. 0 answers
2. asked by Brooke
3. 1,262 views
A dilute aqueous solution of CaCl2 contains 0.159 grams of solute per liter ofsolution. It is fully dissociated. What is the
1. 1 answer
2. asked by sarah
3. 1,259 views
Which of the following is a possible set of n, l, ml, and ms quantum numbers for the last electron added to form an As3+ ion?(a)
1. 2 answers
2. asked by bob segar
3. 1,237 views
I need to explain the terms from an economic view rather than a political view of. But I need to show this 3 concepts of
1. 6 answers
2. asked by MARKO
3. 1,226 views
A 1200 kg car on a horizontal surface starts from rest and accelerates uniformly to 72 km/h in 20.0 s. Friction exets an average
1. 1 answer
2. asked by jj
3. 1,219 views
a coin is composed of gold and silver. the 5.00g coin is dissolved in nitric acid and the solution treated with NaCl to
1. 1 answer
2. asked by Help please!
3. 1,202 views
suppose that Andrew is running down the field at 8 yards per second and then cuts right running 6 yards per second. He executes
1. 1 answer
2. asked by Mercedes
3. 1,190 views
A 50 g ice cube can slide without friction up and down a 32° slope. The ice cube is pressed against a spring at the bottom of
1. 1 answer
2. asked by Joe
3. 1,173 views
A state's lottery winner is promised $200,000 a year for 3 years(starting at the end of the first year). Interes rate is
1. 2 answers
2. asked by Anne
3. 1,166 views
An acrostic poem for the bill of rights?
1. 1 answer
2. asked by Fred
3. 1,161 views
Find the slope of the curve at the indicated point.f(x)= abs(x) at a. x=2 b. x=-3 f(x)= abs(x-2) at a. x-1
1. 1 answer
2. asked by Jessica
3. 1,151 views
why have japanese car companies been so successful in the united states,germany and india?
1. 1 answer
2. asked by anurag
3. 1,144 views
Which one of the following statement best describes what a budget is ?A.A method of figuring out the inflation rate. B.An
1. 3 answers
2. asked by ciara
3. 1,136 views
the Ohio turnpike has a maximum uphill slope of 3 degrees. how long must a straight uphill segment of the road be in order to
1. 1 answer
2. asked by Anonymous
3. 1,116 views
The number that is 1 less than the number whose digits have a sum of 12 and whose tens digit is greater than 4 but less than 6.
1. 3 answers
2. asked by bea
3. 1,116 views
A box of books weighing 323 N is shoved across the floor by a force of 477 N exerted downward at an angle of 35° below the
1. 1 answer
2. asked by Bridge
3. 1,108 views
Write and solve a system of equations for each situation. Check your answers.13. Your school sells tickets for its winner
1. 4 answers
2. asked by Jet
3. 1,088 views
A 50 g ice cube can slide without friction up and down a 32° slope. The ice cube is pressed against a spring at the bottom of
1. 0 answers
2. asked by Joe
3. 1,081 views
Solve using the multiplacation method-2x>1/9 {x x } I have no clue how to do this?
1. 1 answer
2. asked by Katie A
3. 1,080 views
If H is a subgroup of G and K is a normal subgroup of G,prove that HK = KH
1. 1 answer
2. asked by Jackie
3. 1,076 views
Harry accidentally falls out of a helicopter that is traveling at 80 m/s. He plunges into a swimming pool 4 seconds later.
1. 1 answer
2. asked by Abby
3. 1,072 views
A rectangle was constructed using 24 square tiles. If you add the length and width of her rectangle together, you would get 11.
1. 2 answers
2. asked by Hannah
3. 1,059 views
suppose a triangle has two sides of lengths a and b. if the angle between these sides varies, what is the maximum possible area
1. 2 answers
2. asked by tatiana
3. 1,057 views
If Joe rides south on his bicycle in a straightline for 26 min with an average speed of 11.6 km/h, how far has he ridden? Answer
1. 0 answers
2. asked by joselyne
3. 1,050 views
A car starts from rest and travels for 5.5 swith a uniform deceleration of 1.3 m/s 2 . What is the ﬁnal velocity of the car?
1. 2 answers
2. asked by izzy
3. 1,042 views
The equilibrium constant for the reaction below is Kc = 9.1 10-6 at 298 K.2 Fe3+(aq) + Hg22+(aq) 2 Fe2+(aq) + 2 Hg2+(aq)
1. 1 answer
2. asked by Amber
3. 1,034 views
for the three cubes shown below, determine their surface area, volume and surface area to volume ratio. Then circle the one you
1. 1 answer
2. asked by Beth
3. 1,028 views
Is the term renaissance a valid concept for a distinct period in European History or was the renaissance just a continuation of
1. 0 answers
2. asked by Keegan
3. 1,017 views
find the slope if it exists of the line containing the pair of points(5,1)and (6,-2) the slope is M= the slope is undefined
1. 1 answer
2. asked by Katie A
3. 1,011 views
A golf ball with an initial angle of 35° lands exactly 218 m down the range on a level course.(a) Neglecting air friction, what
1. 1 answer
2. asked by allyson
3. 1,008 views
1. Estimating the Temperature of a YamSuppose you put a yam in a hot oven, maintained at a constant temperature of 200�C. As the
1. 0 answers
2. asked by Anonymous
3. 1,006 views
Kevin has a rabbit, a ferret, a gerbil and a turtle. He feeds them in a different order each day. In how many different orders
1. 3 answers
2. asked by Carter
3. 1,003 views
graph of two infinite lines that intersect at a point. One line is solid and goes through the points (0, 2) (negative 2, 4) and
1. 1 answer
2. asked by Marla
3. 999 views
write an equation that models the relationship between x and y.x= 1, 2, 3, 4, 5, Y= 2 21/2 31/2 4
1. 1 answer
2. asked by Anonymous
3. 997 views
the mass of CuSCN precipitate is 1.379g, what is the mass of copper in the precipitate?
1. 1 answer
2. asked by Help please!
3. 981 views
log4x^4 + log4^2 = 3Solve the logarithmic equation.
1. 1 answer
2. asked by Blue
3. 978 views
An object is projected vertically upwards with a velocity of 28m/s. Two seconds later, another object is thrown vertically
1. 2 answers
2. asked by Lola312
3. 967 views
A ball in tennis is lofted with an initial speed of 15m/s, at and angle of 50 degrees above the horizonal. At this instant, the
1. 0 answers
2. asked by billy
3. 966 views
A class of 25 students has 10 boys. Three boys have braces and 4 girls have braces.a) What is the ratio of boys with braces to
1. 2 answers
2. asked by sara
3. 966 views
Supercapacitors, with capacitance of 1.00F or more, are made with plates that have a spongelike structure with a very large
1. 0 answers
2. asked by Caroline
3. 964 views
What is conditional, and identity or a contradiction ?in terms of a linear equation. Please can you give some examples
1. 1 answer
2. asked by HM
3. 963 views
A 1,440-N crate is being pushed across a level floor at a constant speed by a force of 210 N at an angle of 20.0° below the
1. 2 answers
2. asked by Sam
3. 949 views
What property of paradichlorobenzene may convince you that it is an ingredient in mothballs?
1. 1 answer
2. asked by Helena
3. 947 views
ln x^2(x+1)/x+2Write in terms of ln(x), ln(x+1), and ln(x+2) is the correct steps this? lnx^2 + ln(x+1) - ln(x+2) = 2lnx +
1. 1 answer
2. asked by Blue
3. 947 views
Jack LaytonWhat new role did this party (party is NDP) take on because of this electoral success?
1. 0 answers
2. asked by smiley face
3. 945 views
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the
1. 0 answers
2. asked by Sam
3. 944 views
A diver springs upward with an initial speed of 1.6 m/s from a 3.5-m board.(a) Find the velocity with which he strikes the
1. 2 answers
2. asked by Anonymous
3. 936 views
What is the heat evolved of oxalic acid if the temperature change initial is 28 degrees celcius and the final is 29 degrees
1. 1 answer
2. asked by Tebogo Maphanga
3. 936 views
The length of a certain rectangle is 4 m greater than five times it's width. What are the dimensions of the rectangle if its
1. 2 answers
2. asked by Trisha
3. 929 views
A man walks 15m north then 20m at 32° E of N and then 11 m at at 15° S of W determine his net displacement
1. 0 answers
2. asked by pat
3. 927 views
A ramjet is to propel an aircraft at Mach 3 at high altitude where the ambient pressure is 8.5 kPaand the ambient temperature
1. 0 answers
2. asked by david
3. 920 views
All solutions in interval [0,2pi) of cosine theta plus one equals zero
1. 2 answers
2. asked by Anonymous
3. 920 views
Calculate G° for each reaction using G°f values.MnO2(s) + 2 CO(g) Mn(s) + 2 CO2(g)
1. 1 answer
2. asked by Amanda
3. 902 views
Explain whether you think the supply of the following goods is elastic or inelastic, and why.(a)Hotel Rooms (b)Taxi Rides
1. 0 answers
2. asked by CP
3. 894 views

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