# Posts by abby

Total # Posts: 1,133

math urgent
don't be so harsh on him or her!!!!!!!! but they've got a point.

math

Chemistry
Do free electrons appear anywhere in the balanced equation for a redox reaction? a) Yes, free electrons appear in the right part of the equation. b) Yes, free electrons appear in the left part of the equation. c) Yes, free electrons appear in the both parts of the equation. d)...

Math
10a^3b, 8a^2 b^2, and 22ab^3 can someone please help me with this my kid needs help and i don't know how to do it

science
North

Math
The ratio of yellow paint is 3 quarts to 2 quarts to make the color green to paint my bathroom. I need a total of quarts of yellow paint. How many quarts of blue paint did I need

physics
would it be c- new zealand?

calculus
Suppose that water is pouring into a swimming pool in the shape of a right circular cylinder at a constant rate of 9 cubic feet per minute. If the pool has radius 3 feet and height 11 feet, what is the rate of change of the height of the water in the pool when the depth of the...

Math
If you had 4 blue blocks in a bag, how many red blocks would you have to put in to pull out the red ones 1/2 of the time

algebra
a ladder is leaning up against a wall. The ladder is 8 feet long and is 3 feet away from the base of the wall. find the angle the ladder makes with the wall.

Mechanics M1
2.4

Science-Space
Compare Earth and the moon in terms of size and surface gravity.Explain please. What is the relationship between the moon's surface gravity, lack of an atmosphere, and temperature range? Explain please!

calculus
the anti derivative is (m/2)x^2 - 1/3(x)^3 so if you use the 2nd fundamental theorem of calculus using (mx - x^2) over the interval (0,m) and set that equal to 8 (the interval is 0 to m because the function with the larger area is mx) you should get m^3 / 8 = 8. Solve for m ...

astronomy
Why cant I see the answer to this question!!!!!!!!!!

math
The second place finisher in the canoe race lost to the winner by only 1/12 of the winner,s time. If the winning time was 3 1/5 minutes,by how many seconds did the runner up lose?

Physics
How much heat is required to melt 50 g of mercury at -45 degrees celsius to 425 degrees celsius. (melting point=-38.degree-c, specific heat=0.03325 cal/g-degree c for solid mercury, .2988 cal/g-c degree c for liquid mercury and .2486 cal/g-c degree for gaseous mercury, heat ...

Physics
How much heat is required to melt 50 g of mercury at -45 degrees celsius to 425 degrees celsius. (melting point=-38.degree-c, specific heat=0.03325 cal/g-degree c for solid mercury, .2988 cal/g-c degree c for liquid mercury and .2486 cal/g-c degree for gaseous mercury, heat ...

Physics
How much heat is required to melt 50 g of mercury at -45 degrees celsius to 425 degrees celsius. (melting point=-38.degree-c, specific heat=0.03325 cal/g-degree c for solid mercury, .2988 cal/g-c degree c for liquid mercury and .2486 cal/g-c degree for gaseous mercury, heat of...

Physics
Yay! I got the same answer, and I tried to figure it out before you answered. Good. That makes me happy. Thank you!

Physics
I literally have no idea what this means. Do I do both sides and divide one side? This is confusing.

Physics
What volume of aluminum would be needed to balance a 1.00 cm^3 sample of copper on a 2 pan laboratory balance?

computer science
Class scores: Write a program that calculates the total grade for N classroom exercises as a percentage. The user should input the value for N followed by each of the N scores and totals. Calculate the overall percentage (sum of the total points earned divided by the total ...

physics
What power - in Watt-hours - is needed at home on your standard 115 V circuit to run: (a) a 10 A air conditioner for one hour to completely cool off your room, or (b) a 3 A electric fan to keep a constant flow of air over you for five hours? (c) Which is more efficient for you...

Math
The home that you purchased in 2004 steadily increased in value for the first four years at the annual rate of 5.3%. Then, the home steadily decreased in value for the next three years at the annual rate of 3.4%. If you originally purchased the home for \$160,000, what is its ...

Physics
a) What is the frequency of a photon of UV radiation ( = 2.00 x 10^-7 m)? When you input large numbers such as those in this problem, then input the numbers with parenthesis so as to obtain the correct answer. (b) Calculate the energy of a photon of UV radiation. When you ...

Physics
In black-and-white photography, a photon energy of about 4.00 x 10-19 J is needed to bring about the changes in the silver compounds used in the film. (a) What is the frequency of the light needed to bring about these changes? When you input large numbers such as those in this...

Physics
A monochromatic light source used in a diffraction experiment has a wavelength of 4.60 x 10- 7 m. (a) What is the frequency of this light? When you input large numbers such as those in this problem, then input the numbers with parenthesis so as to obtain the correct answer. (b...

Math
Write an inequality. Chondra made a \$65 withdrawl from her savings account which now has a balance LESS THAN \$500.

what do Net Force means?

math
what is A=____,b=8.1 mm,h=16mm

math
over 8 months,the value of Alana's investments dropped a total of \$56. What integer value represents the average monthly change in the value of her investments?

physics
You are at a baseball game and the pticher throws a fast ball that accelerates to the batter at 50 m/s^2. Assume that the baseball has a mass of 0.15 kg. How much force (in Newtons) must the batter apply to the ball to lay down a perfect bunt that stops dead in front of home ...

physics
An electric motor lifts an elevator 1.1 m in 13.0 s by exerting an upward force of 7.80 x 104 N. What power does the motor produce in kW?

math
True or false? Explain, all multiples of 3 are composite

American Politics
why is New Hampshire such a critical state in the presidential selection process?

geometry
Determine whether ABCD is a reactangle given each set of vertices. Justify your answer. 1. A(-3,1), B(-3,3), C(3,3), D(3,1)

physics
A home run is hit in such a way that the baseball just clears a wall 25.0 m high, located a distance 125 m from home plate. The ball is hit at an angle of 38.0° above the horizontal, and air resistance is negligible. (Assume the ball is hit at a height of 1.0 m above the ...

math
object is oblong measure's 16" round and tapers and is 21" round at wides whats the volume???

Chemistry
How would I make the VSEPR for potassium iodide (KI) I believe I made the right Lewis Structure, but am confused on what geometry a VSEPR structure would be. Thanks!

Physics
a) What will an object weigh on the Moon's surface if it weighs 500 N on Earth's surface? (b) How many Earth radii must this same object be from the center of Earth if it is to weigh the same as it does on the Moon? Alright, I know how to do part a. but I'm having ...

statistics
0.818

early childhood education
a teacher requests that a child use a small stepladder to reach a book on a shelf she is helping the child develop a)primitive reflexes b)movement qualities c)locomotor reflexes d)spatial awareness i put b which of the following is an example of a closed skill a)striking a ...

math
Well you forgot a part of the question so that doesnt help me at all

early childhood education
a childs ability to jump for distance is an example of a)agility b)flexibility c)explosive power d)reaction time i put b am i correct a child who has to struggle to climb into a chair is confronting an.......... hazard a)biological b)physical c)ergonomic d)environmental i put ...

SOCIAL STUDIES
Green Bay packers

simplify
simplify by removeing the factors of 1 7z-49/7z is the answer -7?

U.S. History
Gabriel Prosser’s rebellion was... a. a revolt by farmers in western Pennsylvania b. a revolt by enslaved people in Virginia c. a revolt by followers of Jefferson d.a revolt by citizens in Kentucky

MATH HEPL
lisa can shovel the drive way in 35 minutes john the same driveway in 45 how long will it a\take3e them together?

Help
lisa can shovel the drive way in 35 minutes john the same driveway in 45 how long will it a\take3e them together?

Help
Divide and simplify 6a+18/a-3 divide by a+3/a-4 I got 6a-24/a-3

Math
solve 6/y+4=5/y-4

Math
Determine whether the following statement makes sense or does not make sense, and explain your reasoning: When I'm trying to determine end behavior, it's the coefficient of the leading term of a polynomial function that I should inspect. A) This makes sense because the...

math
2160-500=1660 1660 divide by 20=83

spelling??
thank you Ms.Sue

spelling??
need a word with 5 letters, 3rd letter is a "g" the riddle is "amazing tricks that seem real"

i think the answer is 3 nickels .15 9 dimes .90 18 quarters 4.50 total 5.50

physics
Tangential velocity=radius of circle -:- angular speed=4-:-2=2m/s

writting
Thank you Ms. Sue and Writeacher.

writting
looking for help with apostrohe catastrophe in the following it is, use_________. if not,use_______ there is, use______. if not,use_______ who is, use________. if not, use______ they are, use______. if not, ____ or __ you are, use_______. if not, use_______ let us, use________...

math
1,500 and 1,800 There you go !!! Abby

Math
Find b such that (8x+1/b)-2=x has a solution set given by {3}. b =

antonyms
looking for antonym for "all" needs to be seven letters the 6th letter is an "n"

physics
Harry accidentally falls out of a helicopter that is traveling at 80 m/s. He plunges into a swimming pool 4 seconds later. Assuming no air resistance, what was the horizontal distance between Harry and the swimming pool when he fell from the helicopter?

accounting
Marks: 20 At the beginning of the fiscal year, ABC Clinic expected to treat 10,000 patients and estimated that it would incur \$1,000,000 in overhead. At fiscal year end data indicated that the clinic only saw 9,000 patients and incurred overhead of \$925,000.If the clinic used ...

Fractions
solve 9/10(3+8x)+3¡Ý15 How do you multiply the fraction?

Geometry
Two supplementary angles are in the ratio 7:11. Find the measure of the smaller angle.

Science
Why whales live in oceans?

Science
Ibook batteries last for 5 hours What is the independent and dependent variable? What is the control group?

Physics
Simpson drives his car with an average velocity of 45.1 km/h to the east. How long will it take him to drive 153 km on a straight highway? Answer in units of h

math
Help

Language
Thank you so much! May i ask what you do for a living?

Language
I think its , danced across the sky

Language
What is the predicate in the following sentences? The glowing stars danced across the sky. Camping is a lot of fun when you have a friend with you.

math
what is 8+10+2/12+4/9 in lowest term if possible

Chemistry!
A Galvanic cell runs on the following reaction: Co (s) + Cu2+ (aq) → Co2+ (aq) + Cu (s) Draw a diagram for this Galvanic cell, labeling the electron flow, the anode and cathode, and the positive and negative sides of the Galvanic cell.

ANOTHER SCIENCE
Consider the following reaction that has reached equilibrium: NH3 (aq) + C2H4O2 (aq) ! NH4+ (aq) + C2H3O2- (aq) ∆H = -102.1 kJ a. What will happen to the concentration of NH4+ (aq) if the temperature is raised? b. What will happen to the concentration of NH4+ (aq) if the...

Science
The following reaction: 2SO3 (g) ! 2SO2 (g) + O2 (g) has an equilibrium constant equal to 0.23 M. If the following concentrations are present: [SO2] =0.480 M, [O2] = 0.561 M, [SO3] = 0.220 M, is the reaction at equilibrium? If not, which way must it shift to reach equilibrium?

Chemistry
Write a balanced net ionic equation for the oxidation of metallic copper to Cu(II) ion by hot concentrated H2SO4, in which the sulfur is reduced to SO2

Chemistry
moles would be 118g divided by 342.3?

chemistry
0.5 M1V1=M2V2

chemistry
how many milliliters of hydrogen at 0 degree C and 1400 mmhg are produced if 15g of magnesium reacts with sulfuric acid?

math
0.00186 L of SO2

The 5th Wave If i stay Walk Two Moons

Math
M=1.05

Math
1.05

Algebra
Members of the Lake Shawnee club pay \$40 per summer season plus \$7.50 each time they rent a boat. Nonmembers pay \$12.50 each time they rent a boat. How many times would both a member and a nonmember have to rent a boat in order to pay the same amount?

creative writing
Is there a personification example in the song: Did You Ever Know That You're My Hero

Math
Perform the following multiplication. Be sure answers are reduced to lowest terms. (Enter as an improper fraction.) 2 1/2 x 1 3/8 =

Biology
physical obstacles

physics
Suppose Fuzzy, a quantum mechanical duck, lives in a world in which h = 2π J.s. Fuzzy has a mass of 2.0 kg and is initially known to be within a region 1.0 m wide. a) What is the minimum uncertainty in his speed? b) Assuming this uncertainty in speed to prevail for 5.0 s...

Physics
Electrons in a beam incident on a crystal at an angle of 30ͦ have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5 Aͦ, and the reflected electrons are passed through a slit .Find the velocities of the electrons passing...

Physics
Suppose Fuzzy, a quantum mechanical duck, lives in a world in which h = 2π J.s. Fuzzy has a mass of 2.0 kg and is initially known to be within a region 1.0 m wide. a) What is the minimum uncertainty in his speed? b) Assuming this uncertainty in speed to prevail for 5.0 s...

Physics
it is π (pi)

Physics
Suppose Fuzzy, a quantum mechanical duck, lives in a world in which h = 2 J.s. Fuzzy has a mass of 2.0 kg and is initially known to be within a region 1.0 m wide. a) What is the minimum uncertainty in his speed? b) Assuming this uncertainty in speed to prevail for 5.0 ...

Physics
Electrons in a beam incident on a crystal at an angle of 300 have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5A0, and the reflected electrons are passed through a slit .Find the velocities of the electrons passing through ...

Physics
An air rifle is used to shoot 1.0 g particles at 100 m/s through a hole of diameter 2.0 mm. How far from the rifle must an observer be to see the beam spread by 1.0 cm because of the uncertainty principle? Compare this answer with the diameter of the universe (  1026 m).

Physics
To what voltages must we accelerate electrons (as in an electron microscope, for example) if we wish to resolve; a) a virus of diameter 12 nm , b) an atom of 0.12 nm, c) a proton of diameter 1.2 fm?

Physics
Electrons in a beam incident on a crystal at an angle of 300 have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5A0, and the reflected electrons are passed through a slit .Find the velocities of the electrons passing through ...

math
6x48,7x47,8x46,9x45,10x44,11x43,12x42

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