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Questions Asked on February 13, 2012

When a 58g tennis ball is served, it accelerates from rest to a speed of 45m/s. The impact with the racket gives the ball a
1. 5 answers
2. asked by Natasha
3. 12,609 views
Which adaptation helps some plants that live in the dry deserts?A.tall trunks B.long roots C.thin stems D.floating parts B? An
1. 2 answers
2. asked by Colton
3. 631 views
I'm suppose to calculate the weight percent per volume (grams pre 100cm3) of ethanoic acid in a commercial sample of vineger
1. 1 answer
2. asked by hammie
3. 480 views
Find the surface area of the solid generated by rotating the area between the y-axis, (x^2/y) + y = 1, and -1≤y≤0 is rotated
1. 1 answer
2. asked by Anonymous
3. 576 views
3) Some ionic compounds contain a mixture of different charged cations. For example, some titanium oxides contain a mixture of
1. 0 answers
2. asked by annuni
3. 532 views
Anne Frank: The Diary of a Young GirlBriefly explain Anne’s relationship with her parents. How is her relationship with her
1. 5 answers
2. asked by David
3. 866 views
I am finding whether men or women are smarter. I am doing a chi-squared test to see if theres a correlation. What other
1. 2 answers
2. asked by Justin
3. 960 views
How do I simplify (2x+3)(x-4)? Does anyone know?
1. 1 answer
2. asked by katelynn
3. 339 views
can someone explain how I would simplify (3a4 - 2a2 + 5a - 10)(2a4 + 4a2 + 5a - 2)? can anyone help? The #'s that come directly
1. 3 answers
2. asked by katelynn
3. 808 views
f(8.25)(i) Using the rounded-off value a = 2.5, write the equation for f(t). (ii) Use this equation (with the rounded value of
1. 2 answers
2. asked by Marko
3. 737 views
(x-4)^3/2 = -6In the end I got .69, but that's wrong. Please help. I don't really understand. My work. x-4 = -6^2/3 x=4-6^2/3
1. 1 answer
2. asked by Christina
3. 457 views
Hi need a help.Can Production orientation be explained as ths: for the producers, marketing forces on, which products to
1. 0 answers
2. asked by pallavi
3. 594 views
name three possible agendas and one example of each that you might find in the media.
1. 1 answer
2. asked by adaneike
3. 1,456 views
A car drives off a sheer cliff, moving horizontally at 17.2 m/s. If the base of the cliff is 14.4 meters below, estimate how
1. 1 answer
2. asked by jessica
3. 437 views
A penny falls from a windowsill 25.0 m above the sidewalk. How fast is the penny moving when it strikes the ground? (Remember
1. 2 answers
2. asked by Anonymous
3. 1,722 views
Using the information given about a triangle, which law must you use to solve the triangle? Law of Sines, Law of Cosines, or
1. 0 answers
2. asked by Katy
3. 629 views
Hi!Any ideas on an activity which could last for 45 minutes? The topic - Valentine's day Learners: 16 year old, 30 in the class,
1. 0 answers
2. asked by Mark
3. 500 views
We first meet juliet (act 1 scene 3) she has a conversation with her mother about marriage. discuss this. what do we learn about
1. 7 answers
2. asked by jane
3. 611 views
Q1. the student (who,whom) you reported has been suspended.Q2. (who, whom) are you asking to the dance saturday?
1. 5 answers
2. asked by Anonymous
3. 466 views
In my experiment I heated some oxide of tin, in order to figure out its empirical formula.How would the empirical formula be
1. 1 answer
2. asked by Wally
3. 577 views
Consider the following statements: (a) Asian Americans & Pacific Islanders are a model minority, & (b) Asian Americans & Pacific
1. 4 answers
2. asked by cindy
3. 581 views
A car drives off a sheer cliff, moving horizontally at 17.2 m/s. If the base of the cliff is 14.4 meters below, estimate how
1. 1 answer
2. asked by jessica
3. 403 views
As a car rounds the top of a hill at a speed of 27.53 m/s, it very briefly loses contact with the pavement. This section of the
1. 1 answer
2. asked by Anonymous
3. 729 views
A sprinter of mass 63.7 kg runs at a constant speed of 10.2 m/s in a straight line. Find the extra force the sprinter must exert
1. 0 answers
2. asked by Anonymous
3. 454 views
You are holding a bulletin board weighing 6.46 N in place against a wall while your friend secures it to the wall. To keep it
1. 1 answer
2. asked by Anonymous
3. 700 views
For the reaction between nitrogen and oxygen to form nitric oxide, beginning with 0.067 mol of N2,N2(g) + O2(g)= 2 NO(g) a. how
1. 3 answers
2. asked by krystal
3. 2,037 views
You are holding a bulletin board weighing 6.46 N in place against a wall while your friend secures it to the wall. To keep it
1. 0 answers
2. asked by Mike
3. 419 views
A sprinter of mass 63.7 kg runs at a constant speed of 10.2 m/s in a straight line. Find the extra force the sprinter must exert
1. 0 answers
2. asked by Mike
3. 1,125 views
The wire in the figure below carries a current of 12 A. Suppose that a second long, straight wire is placed right next to this
1. 0 answers
2. asked by Anne
3. 786 views
Which is NOT true of the segregation laws passed after the Civil War? My answer is 3.1.)They prohibited interracial marriage.
1. 2 answers
2. asked by Mackenzie
3. 564 views
Saturated fats are found primarily inA. animal products. B. alcoholic beverages. C. fruits and grains. D. vegetable oils
1. 1 answer
2. asked by Anonymous
3. 819 views
a.) A 125 kg stone has an acceleration of 84.9 m/s2. Determine the net force acting on the stone.b.) A 45 N force is acting on a
1. 2 answers
2. asked by lauren
3. 1,107 views
How would I find the molality of NaCl with the following information?initial temperature= 98degrees celsius final temp=100
1. 0 answers
2. asked by Hannah
3. 1,094 views
Which statement does NOT characterize Martin Luther King Jr.'s "I Have a Dream" speech?1.)It openly criticized the Governor of
1. 20 answers
2. asked by Mackenzie
3. 4,421 views
1) The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for
1. 3 answers
2. asked by Hannah
3. 979 views
A 9kg mass travelling eastwards at 4m.-1 collides with a 3kg mass westwards at 8m.-1.whatis the total momentum of the masses?
1. 0 answers
2. asked by Zinhle
3. 414 views
For the combustion of ethane, beginning with 2.6 mol of CH3CH3,2CH3CH3(g) + 7O2(g) → 4CO2(g) + 6H2O(g) a. how many moles of O2
1. 1 answer
2. asked by krystal
3. 996 views
Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were
1. 1 answer
2. asked by Anonymous
3. 485 views
Consider the following reaction.2KClO3(s) → 2KCl(s) + 3O2(g) a. How many grams of KCl are produced from the complete reaction
1. 1 answer
2. asked by krystal
3. 860 views
Could you give me some more examples of "bring off"? I included other examples of phrasal verbs. I also need to write the
1. 1 answer
2. asked by Henry2
3. 553 views
how many 9 inch square tiles are needed to cover a table top that is 3 feet by 3 feet?
1. 2 answers
2. asked by Anonymous
3. 663 views
answers to exam#06044200 do you have ?
1. 1 answer
2. asked by linda
3. 314 views
Which of these solutions is the most basic?[H+] = 1 x 10–2 M [OH–] = 1 x 10–4 M [H+] = 1 x 10–11 M [OH–] = 1 x
1. 1 answer
2. asked by Sara
3. 623 views
An arrow is shot at ground level with an initial speed of 50.0 m/s at an angle of 25.0° above horizontal. What is its
1. 0 answers
2. asked by Jem
3. 1,049 views
The vapor pressure of chloroform is 173.11 mm Hg at 25 degrees celsius. A nonvolatile, nonelectrolyte that dissolves in
1. 1 answer
2. asked by Hannah
3. 1,015 views
An object with a mass of 5kg collides witn an object with a mass of 3kg that is stationary.the two objects stick together and
1. 0 answers
2. asked by Zinhle
3. 582 views
A bullet with a mass of 50kg leaves the barrel of a rifle wiyh a velocity of 400m.-1 ,if the mass of the rifle is 3kg ,what is
1. 0 answers
2. asked by Zinhle
3. 489 views
How do you find the area of an irregular shape? The shape is shaped like a cat's head. Please help me!
1. 2 answers
2. asked by Horace
3. 396 views
How many moles of aspirin are present in 100 mg of aspirin? Enter your answer in scientific notation.5.5E-4
1. 3 answers
2. asked by krystal
3. 446 views
On the sentence: They dive deep beneath the surface in search of an exciting find. Would the adjectives in the sentence be deep
1. 1 answer
2. asked by Brandi
3. 1,017 views
5. Jennifer, who has a mass of 50.0 kg, is riding at 35.0 m/s in her red sports car when she must suddenly slam on the brakes to
1. 0 answers
2. asked by Anonymous
3. 962 views
An 800-kg car traveling in a straight line at a speed of 30 m/s applies its brakes. During braking, there is a net force of 2000
1. 1 answer
2. asked by Jub jub
3. 735 views
2.875 mol H2O = ___ g
1. 1 answer
2. asked by sarah
3. 318 views
the equation of transverse wave on a rope is y(x,t)=5sin(4.0t-0.02x) where (y) and(x) are measured in cm and (t) in
1. 0 answers
2. asked by ashley
3. 418 views
I had to perform an experiment using a coffee-cup calorimeter to determine the enthalpies of two separate reactions. For part 1
1. 10 answers
2. asked by Hannah
3. 826 views
who were the Taino and what had happened to them by the 1500s?
1. 1 answer
2. asked by Gabby ( 5 grade)
3. 393 views
for a damped harmonic oscillation , the equation of motion is md^2x/dt^2+(gamma)dx/dt+kx=o with m=0.025kg,(gamma)=0.07kg/s and
1. 0 answers
2. asked by ashley
3. 578 views
What does the proverb say about braviety.braviet is?
1. 3 answers
2. asked by Zinhle
3. 1,218 views
two collinear harmonic oscillation x1=8sin(100pie(t)) and x2=12sin(96pie(t)) are superposed.calculate the*maximum and minimum
1. 0 answers
2. asked by ashley
3. 468 views
state whether the variation pressure at nodes in a stationary wave is maximum or zero .justify
1. 0 answers
2. asked by ashley
3. 310 views
On the sentence: One group of divers found the treasure of a Spanish galleon. Would the adjectives in the sentence be One and
1. 1 answer
2. asked by Brandi
3. 1,015 views
why is sociology not taught in the high school level?
1. 1 answer
2. asked by Tariq
3. 859 views
How can you turn 1/6 into a decimal and a percent???????
1. 2 answers
2. asked by Madelyn Santiago
3. 1,818 views
An appliance manufacturer wants to contract with a repair shop to handle authorized repairs. The company has an acceptable range
1. 1 answer
2. asked by Ashley
3. 1,001 views
Which of these traits can a tree NOT pass to its offspring?A.the shape of its leaves B.roots that grow toward water C.a trunk
1. 4 answers
2. asked by Colton
3. 1,612 views
A banked circular highway curve is designed for traffic moving at 65 km/h. The radius of the curve is 207 m. Traffic is moving
1. 0 answers
2. asked by Lily
3. 629 views
A 50.6 mg sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0 amu). If 29.6% of the
1. 1 answer
2. asked by Steven
3. 1,479 views
Duckweed is a small plant that grows in waterMany waterbirds depend on duckweed for food Duckweed can reproduce rapidly in water
1. 1 answer
2. asked by Colton
3. 673 views
A 25.40 g sample of water containing tritium,(3/1)H , emits 1450 beta particles per second. Tritium is a weak beta emitter, with
1. 1 answer
2. asked by Steven
3. 794 views
Find the sum by making a drawing. (2+3)+(5x+1)
1. 0 answers
2. asked by Crystal
3. 305 views
Plants=storing waterBacteria and fungi=decomposing dead organisma Earthworms=making soil less compact Bees=pollinating flowering
1. 1 answer
2. asked by Colton
3. 621 views
Sean is playing a game where you toss a coin and roll a number cube. How many possible outcomes?Show it as a fraction,decimal,
1. 2 answers
2. asked by Madelyn Santiago
3. 892 views
state a specific purpose from this message A report to your boss, the store manager, about the outdated items in the warehouse
1. 1 answer
2. asked by livonbrushy
3. 744 views
Use the rules of differentiation to find the derivative of the function.y = 4 + 7 sin(x)
1. 1 answer
2. asked by Anonymous
3. 504 views
Find the derivative.y = 7/9x^5
1. 1 answer
2. asked by Anonymous
3. 312 views
can someone help me simplify 2a^2b^3(4a^2+3ab^2-ab)=? the first part of the answer is 8a^4
1. 4 answers
2. asked by katelynn
3. 892 views
9√x/xa) rewrite b)differentiate c)simplify
1. 0 answers
2. asked by Anonymous
3. 300 views
y = 2/x^-8rewrite differentiate simplify
1. 1 answer
2. asked by Anonymous
3. 383 views
Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm your
1. 2 answers
2. asked by Anonymous
3. 668 views
Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm your
1. 2 answers
2. asked by Anonymous
3. 2,689 views
Find the derivative of the function.f(x) = 7x^3 + 7x^2/x f '(x) =
1. 4 answers
2. asked by Anonymous
3. 1,075 views
Find the derivative of the function.f(x) = sqrt{x} -[3]sqrt{x}
1. 0 answers
2. asked by Anonymous
3. 1,104 views
how did john quincy adams win the election of 1824?
1. 3 answers
2. asked by Jackson
3. 607 views
spellings of /j/,/k/,/s/directions draw a line under the words that have the /j/ sound that you hear in jar, large and edge.
1. 5 answers
2. asked by dw
3. 728 views
how do i simplify (3*22)divided by 6+[28-(4)^4]=? the answer i came up with was 23.
1. 5 answers
2. asked by katelynn
3. 556 views
Assuming that it takes 0.10 s for the driver to react before applying the brakes, what is the stopping distance (the distance
1. 3 answers
2. asked by Laura
3. 1,190 views
why did new political parties form after the election of 1824?
1. 7 answers
2. asked by Jackson
3. 837 views
I left out these sentences. Thank you.1) If he wore a tuxedo and a pair of slide-on shoes, he would be more suitably dressed. 2)
1. 1 answer
2. asked by Henry2
3. 453 views
make separate absolutes for each of the following:Moshe the Beadle- spiritual leader, outsider Elie's father- closest relative,
1. 3 answers
2. asked by Austin
3. 542 views
At 25 °C only 0.0990 mol of the generic salt AB is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
1. 4 answers
2. asked by Katie
3. 1,034 views
At a certain temperature, the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0510 g/L. What is the Ksp of this salt at this
1. 1 answer
2. asked by Katie
3. 1,590 views
Read below:English 7 HW - Collect faucal info. about your role to be incorporated in your narrative/journal entry. English Notes
1. 9 answers
2. asked by Laruen
3. 783 views
Combine like terms.12.) 7r4 + 13r2 + 9r 13.) 3 - 4x - 15x - 6x - 1 Thanks to whoever helps me :D
1. 2 answers
2. asked by Jazzy
3. 400 views
1. Identify - What are four (4) influences that give you a unique indentity?What does this question means??? I'm going to answer
1. 16 answers
2. asked by Laruen
3. 574 views
Hi...in the sentence, "The jewels, coins, and other artifacts are priceless." Would the adjective in the sentence be priceless?T
1. 2 answers
2. asked by Brandi
3. 458 views
previous answer to problem before this one(relevant in 2nd half of this question): 294.472689amuwhat would be the mass of 1.36
1. 4 answers
2. asked by Kayla
3. 330 views
i read story today it be called " A few notes for orpheus" anyone read this story before? i need help with questions.
1. 1 answer
2. asked by Mohammad
3. 594 views
Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag2CrO4 is 1.12× 10–12. What is the solubility (in
1. 2 answers
2. asked by Katie
3. 1,309 views
A = 145 rock is hoisted upward with an acceleration of 1.46 by a vertical chain of negligible weight. What is the free body
1. 1 answer
2. asked by Ruth
3. 324 views
Assume that the committee consists of 8 Republicans and 6 Democrats. A subcommittee consisting of 7 people is to be selected.
1. 1 answer
2. asked by Kayla
3. 2,091 views

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