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lili

Questions and answers by visitors named lili

Questions (52)

A child and sled with a combined mass of 50.0 kg slide down a frictionless hill that is 7.34 m high. If the sled starts from
1. 4 answers
2. 4,991 views
week 11 and 12 its hard
1. 1 answer
2. 273 views
the surface area of a sphere if the radius, r, is 6 meters.
1. 3 answers
2. 324 views
come cambiare la scuola
1. 1 answer
2. 237 views
when was willian (Bill) H. Gates born?
1. 2 answers
2. 498 views
What would be the effect of raising the temperature and increasing the carriergas flow rate on the ability to resolve two
1. 2 answers
2. 762 views
Can you suggest some possible reasons for using a mixture of water andethanol (1:1 mixture H2O/EtOH) as crystallizing solvent
1. 1 answer
2. 442 views
given: angle 1 is congruent to angle 2, angle measure 1=120prove: angle measure 3=120
1. 3 answers
2. 878 views
If a manufacturer charges q dollars each for footballs, then he can sell 3000-150q footballs per week. Find a polynomial R(q)
1. 1 answer
2. 355 views
express the given repeating decimal0.159159159 as a fraction
1. 4 answers
2. 978 views
a girl delivering newspaper travels 3 blocks west, four blocks north, then 6 blocks east. What is the total distance she travel
1. 2 answers
2. 843 views
The reaction of MnO4- with oxalic acid (H2C2O4) in aciic solutiob, yielding Mn2+ and CO2 gas, is widely used to determine the
1. 2 answers
2. 1,260 views
Balance the following redox equation occurring in a basic solution:AG + CN{-} + O2 = AG(CN)2{-} I tried...but this is
1. 7 answers
2. 3,298 views
(AAAAA)The standard reduction potentials of lithium metal and chlorine gas are as follows: (for Li, reduction potential is
1. 3 answers
2. 1,713 views
Find the theoretical yield when 100 mL of 0.1 M NaI is reacted with 0.50 mL of Br2 (density: 3.10 g/mL) to produce NaBr and I2.
1. 2 answers
2. 515 views
Use the change of variable x = exp(s) to recast the differential equationxy′′+y′+(L/x)y=0 Please HELP ME
1. 1 answer
2. 329 views
I am a 3 digit odd umber. my tens digit is one less than my hundreds digit but two more than my ones digit. The sum of my digits
1. 3 answers
2. 1,006 views
A metallic surface emits photo electrons when green light falls on it. But the metal does not emit when yellow light falls on
1. 2 answers
2. 682 views
nearest tenth of a percent of 1/260
1. 1 answer
2. 287 views
when 2 propanol was used as the developing solvent, two substances moved with the solvent front (Rf=1) during TLC analysis on a
1. 3 answers
2. 1,940 views
An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right,
1. 3 answers
2. 914 views
An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right,
1. 1 answer
2. 1,222 views
An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right,
1. 2 answers
2. 595 views
An astronaut throws a wrench in interstellar space. How much force is required to keep the wrench moving continuously with
1. 3 answers
2. 1,855 views
find all real zeros of the function y=-7x+4.a.-4/7 b.-7,4 c. -7 d.4/7 how do you find it?
1. 1 answer
2. 369 views
find an equation in slope-intercept form of the line that has slope 2 and passes through point A(-8,7)
1. 1 answer
2. 431 views
2x^2-4X-3=6
1. 1 answer
2. 298 views
A SUPPOSED TREASURE OF OLD SILVER JEWELRY IS UNCONVERED. a.02M^3 BOX OF THE "OLD JEWELRY" HAS A MASS OF 177KG.IS IT R EALLY OLD
1. 2 answers
2. 877 views
how can you use models to show and name a number 1,400 in two different ways? explain
1. 1 answer
2. 363 views
1) A billboard on level ground is supported by a brace, as shown in the accompanying diagram. The measure of angle A is 15
1. 3 answers
2. 1,974 views
the brakes of a car provide an acceleration of -5.0 m/s^2 . how long will it take for a car traveling at 20.0 m/s to stop ?
1. 2 answers
2. 670 views
How has Britain’s political system impacted Canada’s political system
1. 3 answers
2. 456 views
one half of what john's age was 4 years ago is equal to on of thrid of what it will be in 5 years time.How old is john now
1. 1 answer
2. 439 views
A horizontal force of 160 N is used to push a49.0 kg packing crate a distance of 7.00 m on a rough horizontal surface. The
1. 1 answer
2. 482 views
covert 1/3,3/10,0.03,0.33 in order from least to greatest
1. 1 answer
2. 420 views
The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a
1. 1 answer
2. 670 views
James uses 1/3 of his land for growing durians, 1/4 for guavas, 3/8 for bananas and 9 hectares for mangoes. what is the total
1. 2 answers
2. 552 views
a bank is owed $123 in interest on each of 24 customers loans. would this be best represented as a possible or negative value
1. 7 answers
2. 387 views
The balance is a checking account is $82.18 the owner of the account withdraws $100 the bank allows withdrawing more than the
1. 6 answers
2. 560 views
after a birthday party that began with 3 pizzas, there was 1/8 of one of them left, 3/4 of another and 3/8 of the last one. How
1. 7 answers
2. 466 views
you have 3/4 gallons of paint. Each piece of wood you want to paint requires 2/11 gallon of paint. How many pieces of wood can
1. 6 answers
2. 467 views
two thirds of the students at school prefer beats headphones to all others.3/4 of those students prefer the wireless ones. 1/5
1. 2 answers
2. 496 views
a concert hall has 4000 seats. these seats are divided into section A and B. the cost of a ticket in section A Is $50 and that
1. 5 answers
2. 1,820 views
Lifetime (in years) number of product10-15 5 15-20 15 20-25 20 25-30 6 30-35 4 A) calculate the mean,median and mode and compare
1. 1 answer
2. 287 views
why were the colonist upset about the proclamation line
1. 1 answer
2. 292 views
Helppppppppp Ms. Goynes, Mrs. Weatherly, and Ms. Washington had $400 to purchase raffle prizes for their classes. They bought 23
1. 2 answers
2. 201 views
I need help, The 17 students on the basketball team want to raise $263.84 to buy basketballs. They have already raised $45.56.
1. 1 answer
2. 256 views
A kicker punts a football from the very center of the field to the sideline 39 yd downfield. What is the magnitude of the net
1. 5 answers
2. 1,562 views
Calvin is using the formula A=3r^2 to estimate the area of a circle.Solve for r Use your equation to estimate the radius of a
1. 4 answers
2. 696 views
How many grams of HCl (FW = 36.5g/mol) will be required to completely neutralize 4.0 grams of NaOH (FW = 40g/mol)?
1. 4 answers
2. 420 views
Which integer is the farthest from 0 and therefore has the greatest absolute value?
1. 1 answer
2. 68 views
Zendaya runs a farm stand that sells blueberries and grapes. Each pound of blueberries sells for $2.50 and each pound of grapes
1. 1 answer
2. 150 views

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