Ask a New Question

Questions and answers by

Brittany

Questions (498)

Two cars lost in a blinding snowstorm are traveling across a large field, each thinking they are on the road, as shown in the
1. 1 answer
2. 1,128 views
A pinhole camera has a small circular aperture of diameter D. Light from distant objects passes through the aperture into an
1. 0 answers
2. 1,310 views
The functions f(θ) and g(θ) are sine functions, where f(0) = g(0) = 0.The amplitude of f(θ) is twice the amplitude of g(θ).
1. 1 answer
2. 1,397 views
Square root 18 + (3/square root 2)
1. 3 answers
2. 438 views
Square root 18 + 3/square root 2
1. 0 answers
2. 829 views
Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after
1. 0 answers
2. 758 views
*I have asked countless people to help me with this story problem and nobody seems to know how to do it! Please help!Natalie
1. 0 answers
2. 594 views
Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after
1. 1 answer
2. 892 views
Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after
1. 0 answers
2. 651 views
For a seesaw that 14 ft long, where should the fulcrum be placed to balance a 204 lbs adult and a 81.6 lbs child?
1. 1 answer
2. 605 views
An international agreement that aims to reduce carbon dioxide emissions and the presence of greenhouse gases. Countries that
1. 1 answer
2. 1,050 views
Matt ate a total of 100 raisins over a five day period. Each day he ate six more raisins than the previous day. How many did he
1. 1 answer
2. 433 views
Three ships leave New York for France on the same day. The round trip takes the first ship 12 days, the second ship 16 days and
1. 1 answer
2. 512 views
Help Please . Aisha drops an antacid tablet in water and times how long it takes to dissolve. Which of the following will
1. 4 answers
2. 1,574 views
Help please. Aisha drops an antacid tablet in water and times how long it takes to dissolve. Which of the following will
1. 5 answers
2. 1,284 views
What is the value of xx/60 = 1/2/1/6
1. 1 answer
2. 291 views
An architect is drawing a scale model of a new mall. The real mall will be 1800 feet long. The scale the architect is using is 1
1. 2 answers
2. 577 views
A ladder has a shadow 3.5 meterslong. Marlowe’s shadow is .75 meters long. If Marlowe is 1.5 meters tall, how tall is the
1. 1 answer
2. 328 views
A pole has a shadow that is 5 feet long. Jackie's shadow is 3 feet long, and she is 6 feet tall. How tall is the ladder?
1. 3 answers
2. 571 views
How much heat (kcal)is needed to melt 14 ice cubes? Each cube is at 0c and has a mass of 28grams.
1. 1 answer
2. 832 views
At 0*C a 1.0-L flask contains 5.0 x 10^-2 mol N2, 1.5 x 10^2 mg O2, and 5.0 x 10^21 molecules of NH3. What is the partial
1. 1 answer
2. 1,013 views
a 0.67 kg rubber ball has a speed of 2.2 m/s at point a and kinetic energy 7.1 J at point B find the total work done on the ball
1. 1 answer
2. 690 views
a 0.67 kg rubber ball has a speed of 2.2 m/s at point a and kinetic energy 7.1 J at point B find the total work done on the ball
1. 1 answer
2. 547 views
A current of 4.6 A is measured through a 7.8 ohms resistor for 1.75 minutes. How much heat is generated by the resistor?
1. 1 answer
2. 373 views
A current of 4.6 A is measured through a 7.8 ohms resistor for 1.75 minutes. How much heat is generated by the resistor?
1. 1 answer
2. 353 views
A marathon runner ran the first 5 mi. in 32.5 min. If she continues running at this pace, how long will it take her to run the
1. 1 answer
2. 1,030 views
A factory produces bicycles 6 motorcycles in 9 hours. Write a proportion and solve it to find how many hours it takes to produce
1. 1 answer
2. 638 views
A basketball star earned $2,000,000 last year. He played in 64 games for an average of 42 minutes per game. Find these ratesdoll
1. 1 answer
2. 600 views
Mr. quark drove his car 314 miles in 6.5 hours. He used 12.7 gallons of gas. Find these rates.gallons per mile
1. 1 answer
2. 558 views
Mr. quark drove his car 314 miles in 6.5 hours. He used 12.7 gallons of gas. Find these rates
1. 3 answers
2. 870 views
If student A scored 42 on a test of reading and the test had a mean of 52 and a standard deviation of 8, what percentage of test
1. 0 answers
2. 767 views
If a 60 kg meteor falls to earth from a great distance. How much gravitational potential energy does it lose? (the energy PE is
1. 1 answer
2. 504 views
An X-ray beam with = 151 incident on the surface of a crystal produced a maximum reflection at an angle of = 28.2.Part A
1. 2 answers
2. 485 views
Four ice cubes at exactly 0 ^\circ {\rm{C}} having a total mass of 55.0g are combined with 110g of water at 77^\circ C in an
1. 1 answer
2. 1,263 views
Identify the abbreviations in this sentence.When they raise me to a high position, then ill get a raise.
1. 2 answers
2. 526 views
A 50kg box is sitting on your front porch. The coefficient of sliding friction between the box and floor is .4. You are trying
1. 1 answer
2. 599 views
An object is placed 8 cm in front of a convex lens of focal length 6 cm. Find the image location by drawing a ray tracing
1. 1 answer
2. 1,735 views
find all the real zeros and multiplicity off(x)=x^4-68x^2+256
1. 1 answer
2. 419 views
A total of 504 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student
1. 3 answers
2. 2,973 views
51.34 g of water at 81.5 oC is added to a calorimeter that contains 52.13 g of water at 40.7 oC. If the final temperature of the
1. 1 answer
2. 909 views
Pentane is a small liquid hydrocarbon, between propane and gasoline in size C5H12. The density of pentane is 0.626g/ml and its
1. 0 answers
2. 882 views
Calculate the final temperature of a mixture of 200.0g of ice initially at -16.5 Celsius and 406.0g of water initially at 84.5
1. 3 answers
2. 1,243 views
The flame in a torch used to cut metal is produced by burning acetylene(C2H2) in pure oxygen. Assuming the combustion of 1 mole
1. 1 answer
2. 4,821 views
Which of the following gases will effuse through a hole in a balloon fastest?a.Kr b.NO c.N2O d.NO2 e.ArNO2
1. 2 answers
2. 3,057 views
What is the root-mean-square speed of N2O at 25°C?
1. 1 answer
2. 797 views
The density of an unknown gas is 1.72 g/L at 750.0 torr and 30.0°C. Which of the following could be the unknown gas?a. CS2 b.
1. 1 answer
2. 2,049 views
Which of the following reactions will result in a reduced total pressure?a. CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) c. 2HI(g) →
1. 1 answer
2. 1,753 views
How many moles of propane are contained in a 5.00 L tank at 450 torr and 25°C?
1. 2 answers
2. 1,643 views
In an experiment, 25.0 mL of a gas with a pressure of 1.00 atm is contained in a balloon at 25.0°C. The balloon is then cooled
1. 1 answer
2. 1,192 views
Iron(III) oxide reacts with carbon monoxide gas to form solid iron metal and carbon dioxide gas:Fe2O3 + 3 CO --> 2 Fe + 3 CO2 If
1. 1 answer
2. 2,614 views
Which one of these samples contains the smallest number of molecules?a. 1.0 L of H2 at STP (0°C and 1atm) d. 1.0 L of N2 at
1. 2 answers
2. 3,372 views
Methanol (CH4O) is converted to bromomethane (CH3Br) as follows:CH4O + HBr --> CH3Br + H2O If 12.23 g of bromomethane are
1. 1 answer
2. 2,345 views
How does poverty relate to a child's risk for inadequate health and well-being?
1. 2 answers
2. 571 views
What items would you first look for to determine whether lead is present in the environment where children are present?
1. 1 answer
2. 404 views
Can anyone answer this question?Compare the environment for toddlers with one suitable for infants. How are the areas similar?
1. 1 answer
2. 800 views
Compare the environment for toddlers with one suitable for infants. How are the areas similar? How are they different?
1. 1 answer
2. 441 views
Compare the environment for toddlers with one suitable for infants. How are the areas similar? How are they different?
1. 1 answer
2. 603 views
An expanded structural formula shows all the atoms of the molecule and all the bonds between the atoms in the molecule.Draw the
1. 1 answer
2. 1,546 views
the warning Dr.Faustus teaches is?A-the devil is evil B-do not wish for more than heavenly power permits C-the end will justify
1. 1 answer
2. 996 views
Determine the absolute and percent relative uncertainty expressing the result in the correct number of significant digitsa.) 6.2
1. 0 answers
2. 1,180 views
Before determining the amount of sodium carbonate in a sample by titration with standard hydrochloric avid the anaylst decide to
1. 0 answers
2. 1,053 views
The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy
1. 1 answer
2. 804 views
Special educational services for young children with disabilities:a. Cannot be enforced through laws. b. depend on parent
1. 4 answers
2. 425 views
Most early childhood professionals children’s agree that the terms inclusion and mainstreaming:A. Both refer to exceptional
1. 1 answer
2. 539 views
I had to write a paragraph about a personal experience of mine with no passive verbs. When I submitted mine my teacher told me
1. 1 answer
2. 586 views
What are calculations entered into a spreadsheet called?Formulas? Or Values? I'm thinking its formulas but Values talks about
1. 0 answers
2. 1,074 views
I need an example of connotation from the Star Wars series in the form of a quote.
1. 1 answer
2. 424 views
Assume that a cell culture has a density of 108 cells/mL. You transfer 20 microliters (20 L) of this culture onto a
1. 0 answers
2. 545 views
Given letters gb and gf how do you write a mathematical to compare their measures?
1. 1 answer
2. 379 views
An important measure of the performance of a locomotive is its "adhesion," which is the locomotive's pulling force as a multiple
1. 1 answer
2. 683 views
An important measure of the performance of a locomotive is its "adhesion," which is the locomotive's pulling force as a multiple
1. 1 answer
2. 936 views
If you walk for 1.66min at a speed of 1.22m/s and then run for 1.66min at 3.05m/s along a straight track, what is the average
1. 1 answer
2. 874 views
When the following hypotheses are being tested at a level of significance ofaH0: m 100 Ha: m < 100 the null hypothesis will be
1. 1 answer
2. 1,140 views
Calculate the percentage strength of hydrocortisone if you combine 30 g of 1%, 45 g of 0.5%, and 15 g of 2%. Round to the
1. 1 answer
2. 451 views
Androgel is available in 1% strength. A provider prescribed it for a patient but would like to minimize side effects by starting
1. 0 answers
2. 413 views
What is the percentage strength of tretinoin gel when you combine 15 g of 0.025% and 30 g of 0.01%?
1. 1 answer
2. 349 views
What is the percentage strength of tretinoin gel when you combine 15 g of 0.025% and 30 g of 0.01%?
1. 2 answers
2. 389 views
Calculate the percentage strength of hydrocortisone if you combine 30 g of 1%, 45 g of 0.5%, and 15 g of 2%. Round to the
1. 0 answers
2. 440 views
Calculate the amount of 8% acetic acid needed to combine with water to make 600 ml of 3.5% acetic acid.
1. 1 answer
2. 452 views
Find the number z (± 0.01) such that the proportion of observations that are less than z in a standard Normal distribution is
1. 2 answers
2. 546 views
I need help with the Lewis Dot Structure. I'm so lost. The problems I have and need help with are 1) H2NCH3 2) C3H6 3)NO2-ion 4)
1. 1 answer
2. 727 views
What were the causes of the War of 1812? Where did Republicans and Federalists stand on declaring and then fighting the war?
1. 1 answer
2. 719 views
A 2.5 L volume of sodium hydroxide solution was prepared. The titrant was standarized against primary standard oxalic acid
1. 1 answer
2. 624 views
A Student Performing a lab weighed a 1.0993g sample, containing an unknown KHP, which required 18.06mL of 0.1879M NAOH to reach
1. 1 answer
2. 1,122 views
Whats the difference between creating a z score from a single score and creating one fron a sample mean?
1. 1 answer
2. 692 views
How would I show my work for:3-2(3)+2(4)+1
1. 1 answer
2. 278 views
Use the properties of logarithms to condense the expression1/3[ln(x - 6)- 4 ln y - 2 ln z]
1. 1 answer
2. 555 views
if sine theta=.3416 and theta is in quadrant I what is cos theta/2? Using double angle identities.
1. 1 answer
2. 1,015 views
Children below the 30th percent are in need of special assistance assistance what raw score makes the cut off score for these
1. 5 answers
2. 523 views
Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them,
1. 0 answers
2. 483 views
A voltaic cell is constructed that uses the following half-cell reactions.Cu+(aq) + e- Cu(s) I2(s) + 2 e- 2 I -(aq) The cell is
1. 0 answers
2. 824 views
A voltaic cell is constructed that uses the following half-cell reactions.Cu+(aq) + e- Cu(s) I2(s) + 2 e- 2 I -(aq) The cell is
1. 1 answer
2. 816 views
Given the equation 2C8H18 + 25O2 = 16 CO2 + 18H2O: The combustion of octane produces carbon dioxide and water. If you start with
1. 1 answer
2. 892 views
A solution of ammonia and water contains 1.00×1025 water molecules and 5.50×1024 ammonia molecules. How many total hydrogen
1. 3 answers
2. 649 views
Calculate the enthalpy change for converting 10.0g of ice at -25 degrees Celsius to water at 80 degrees Celsius. The specific
1. 1 answer
2. 2,442 views
How do I do a question like this please help and explain it!!Calculate the pH of a buffer solution that contains 0.22 M benzoic
1. 1 answer
2. 954 views
A solution is prepared by mixing 499 mL of 0.19 M Tris·Base and 592 mL of 0.37 M Tris·Acid. What is the pH of this solution?
1. 1 answer
2. 551 views
A town has a population of 32,000 in the year 2002; 35,200 in the year 2003; 38,720 in the year 2004; and 42,592 in the year
1. 1 answer
2. 1,514 views
Calculate the amount of heat transferred when 21.0 of CH3OH(g) is decomposed by this reaction at constant pressure.
1. 5 answers
2. 3,007 views
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 69.8 kJ of heat. Before the reaction, the volume of
1. 1 answer
2. 686 views

Pages

1
2
3
4
5

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025