Total # Posts: 406

AP Chem
1. Van't Hoff factors depend on the concentrations of the dissolved solute species. Why would a dilute solution have a Van't Hoff factor closer to the ideal value? a. because in dilute solutions solute species are less likely to bump into each other and pair up. b. ...

math
Try wolframalpha[dot]com

Math
The given angle is in standard position. Determine the quadrant in which the angle lies. -25° A. Quadrant III B. Quadrant II C. Quadrant IV D. Quadrant I

This is pretty simple. Just multiply 16x75. Your answer Wil be in centimeters. Then just convert the centimeters to meters.

percentages
140% of what is 35? How do I solve it?

A car traveling at 72 km/hr hits a tree. the driver, who has a mass of 55.0 kg comes to a rest 0.10s after the impact. What is the force that acts on the driver?

Pre calculus
Thanks!!! :)

Pre calculus
Use the given conditions to write an equation for the line in point-slope form. Passing through (-5, -7) and (-8, -6)

Simple pre cal
Thank you both!!! :)

Simple pre cal
Is the relation a function? {(14, 9), (15, 8), (8, 7), (1, 9), (15, 2)}

algebra
Sam spent 36.00 more than Lisa.They spent 75.00 total.How much did they spend each?

social justice
what are examples of distributive, retributive, and communative justice?

math
Explain why the graph of g(x) = 1/x has a horizontal asymptote. What is the equation of this asymptote? Will all reciprocal functions have the same horizontal asymptote?

Math/ Proportions solve using unit rates
I need help

Math
anna made 400 quarts of lemonade. she poured the lemonade into the containers. each container holds 4/7 of a quart. how many containers did anna use

Algebra
Maria starts walking at 8:00 at 4 miles per hour. Nichole starts walking at 8:12. At what constant rate of speed will Nicole need to walk to catch Maria at 8:42?

Social Studies
And one more thing...She is correct it is Boston Tea Party, I know I just read 10 pages on it and it says in the book and it is right on the test.

Social Studies
Ms. Sue...I am taking the same test, and these ARE the correct answers, I don't know what you are looking at but they are correct.

Physics
You push down on a book of inertia m resting on a table with a force directed at an angle θ away from vertical. The coefficient of static friction between book and table is μs. If θ is not larger than some critical value, you cannot get the book to slide no ...

Precalculus
Q: A ship leaves the port of LA and travels 120 miles on a bearing of S47ºW and then 110 miles on a bearing of N80ºW. Find the total distance traveled South and West and also its bearing from the port of LA. I have found the distance traveled South and West (approx. ...

Chemistry
1. Use the following balanced net ionic equation to determine the volume of 6.0 M HNO3 needed to react completely with 5.00 g of copper. 8H+(aq) + 2NO3-(aq) + 3Cu(s) → 2NO(g) + 4H2O(l) + 3Cu2+(aq)

social studies
It is Second Continental Congress, I just took the test and got a 100%! :)

Math
The ratio of the number of men to the number of women to the number of children in a theater is 3:5:2 there are 69 men in theater A.how many more are there in the theater B.how many children are there in theater

chemistry
A voltaic cell can be built using the reaction between Al metal and O2 from the air. If the Al anode of this cell consists of 65 g of aluminum, how many hours can the cell produce 1.5 A of electricity, assuming an unlimited supply of O2?

Math
What is 12 1/9+10 2/3? I need help please!;]

Foley
Math angle 1 is complementary to angle 2. angle 2 is supplementary to angle 3 equal to 126 degrees. find measure angle one

Health
thanks MS. Kary

Physics
A 41 kg child sits in a swing supported by two chains, each 1.4 m long. If the tension in each chain at the lowest point is 261 N, find the child’s speed at the lowest point. (Neglect the mass of the seat.) Find the force of the seat on the child at the lowest point.

Math
Find two consecutive odd integers such that the sum of four times the larger and twice the smaller is 194. Help Thank you!

Math
Find two consecutive odd integers such that the sum of four times the larger and twice the smaller is 194. Please help! Thank you!

Art
the person who typed turd I think I just went blind

Math
is it 2704 tiles?

Math
Mrs. Cress's table measures 5 ft wide and 8 ft long. She wants to cover the table with 3 in square tiles. How many tiles will she need? Help Thank you!

Math
Are 1.6 square meters & 16 tenths square meters the same?

health
Trying to help is right

music appreciation
The basic framework for ordering music through time is the A. syllable. B. meter. C. value. D. phrase. I'm pretty sure it's B, but I really wanna ace this test.

psychics
you throw a ball straight upward into the air with a velocity of 20.0 m/s, and you catch the ball some time later. a) how long is the ball in the air b)how high does the ball go c) what is the balls velocity when you catch it I don't get how you are suppose to figure this ...

Precalculus
Water is flowing at the rate of 50 m^3/min from a conical reservoir (vertex down) of base radius 45 meters and height 6 meters. What is the water level when the reservoir has 5000 m^3 of water left in it?

Calculus
A box with a square base and no top is to have a volume of 32 ft3. What dimensions use the least amount of material (in other words what dimensions give minimum outside surface area)?

math
the areas of the rectangular faces are: 90, 54, and 60. What is the volume of the box?

math
a rectangle has an area of 48 square yards. For what whole number values of length and width will the rectang,e have the smallest perimeter?

math
for what whole number values of length and width will the rectangle have an area of 60 square yards and a perimeter of 38 yards?

A very large firecracker explodes in the hallway into 3 fragments. Physics students rush to the scene to enrich their knowledge of the law of conservation of momentum. They report that Fragment 1: mass=1.23kg, v=8.70m/s, north Fragment 2: mass =2.60kg,v=6.10m/s,east fragment 3...

He drops a ninja ball device from a height of 10.0m. The mass of the enter device is 190g and the mass of the top (smallest) ball is 2.90g A) calculate the momentum of the device as it hits the ground (ignore air resistance) I know that this answer is 2.66 for sure B) if the ...

MATH
Actually, you can do it to only take 17 minutes. Betty takes Abby across, leaves her there, and rows back (4) Then Cassie and Dale row over together, and Abby takes the boat back (11) Then Abby and Betty row to the other side together(2) Grand total: 17

Math
Take a four digit number (abcd) and repeat it to make an eight digit number (abcdabcd). This eight-digit number always has at least three different prime factors, unless you start with a certain four-digit number. Which number is it?

Math
On Tuesday, Leslie spent 47 minutes on math homework, 39 minutes on science homework, 52 minutes on English homework, and 44 minutes on history homework. How much time did Leslie spend doing her homework on Tuesday?

PHYSICS HELP
Suppose the aliens watching the show are on the surface of Mars. Mass of Mars: 6.42 x 10^23 kg Radius of Mars: 3.394 x 10^6 m Calculate; A) the weight of a 40.0 kg alien on Mars B) the weight of 40.0kg alien on earh Earth-sun distance:1.50x10^11m Mars-sun distance: 2.28 x10^11...

Geometry
A 3-foot diameter wheel travels at a rate of 45 feet per second. How many seconds does it take for the wheel to make 100 turns?

Geometry
A wheel turns at a rate of 12 turns every 5 seconds. If the wheel travels at a speed of 225 inches per second, what is the wheel's diameter?

L.A.
Is 3 B?

L.A.
is 1. B? 2. A? 3. C? Thanks for the help!

L.A.
Can you help me please? Thanks!

L.A
Hey Callie can you help me with the some questions? Thanks

Statistics
Among the population of criminal justice students, the average score on the final exam was 74, with a standard deviation of 11.6. What is the probability of randomly selecting a student who earned an A (90 or better)?

social studies
Alright.

social studies
Confucius believed that society would do well if everyone always did his or her... A. duty*** B. prayers C. jobs D. best I think it is A

Social Studies
Come onnn my it's the last answer I neeeedd!!!

Stats
A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the game and missed 3 of them. The fans booed. What is the probability of her missing 3 (or more) free throws out of 5? Set up and conduct a simulation (...

math
200

Language Arts - Iambic Pentameter
She takes forever to answer one of my friends.

language arts

language arts
You stink Mrs.Sue!!! Just give the kid the stupid answer and be done with it.

language arts
Ms. Sue is no help. Anyway, the answer is C.

History
I'm writing a research paper and i need help finding out what these me on a website. • Timeliness: • Objectivity: • Writing Style and Mechanics: • Graphics: • Links:

Math
1. What is the range of the ages shown in the stem-and-leaf plot? 3|0,2 4|1,4,4,5 5|3,5,8,9 6|2,2,2,5,6,8 7|5,5,6 A. 4 B. 6--- My answer C. 34 D. 46 What is the median of the ages shown in the stem-and-leaf plot? 58 58.5 59---- my answer 59.5 What is the first quartile (Q1) of...

Chemistry
How to perform a pH Titration of 25 ml of 50 mM Phosphoric acid from pH 1 to pH 13 with 1 N NaOH (including standardizing the NaOH).

English
Q1 Is A I am 98% sure!

Literature
Thanks i got it now

Literature
but i still don't get it

Literature
yes

Literature
Dr. Martin Luther King spoke at the funeral of three of the little girls killed in the Birmingham bombing. In his eulogy, he said, “The innocent blood of these little girls may well serve as a redemptive force that will bring new light to this dark city.” He also ...

Literature
The civil rights movement consisted of many events, such as freedom rides and sit-ins. Some of the events, such as fires and murders, were violent and unsettling. But the killing of the four little girls in Birmingham is considered one of the most significant events. Why do ...

Physics
A boat crosses a river of width 115 m in which the current has a uniform speed of 1.84 m/s. The pilot maintains a bearing (i.e., the direction in which the boat points) perpendicular to the river and a throttle setting to give a constant speed of 1.1 m/s relative to the water...

physics
Calculate the force of gravity on a 16 kg mass at Earth's surface. The mass of Earth is 6. 1024 kg, and its radius is 6.4 106 m.

chemistry
matts moped holds 1.9 gal of gas how many milliliters is that show work

Algebra 1
those are right thankssss

U.S. History Help!!!!!!!
No, #3 would be A. Loyalists.

physics
A 78 g basketball is launched at an angle of 45.4◦ and a distance of 10.1 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jump-shot as described above. The ...

socials studies 9
why do you think lawyers in the land claims trials refer to the royal proclamation of 1763 more than 200 years after it was proclaimed? I do not understand this question..

Physics
A billiard ball of mass m = 0.250 kg hits the cushion of a billiard table at an angle of θ1 = 58.8° and a speed of v1 = 28.4 m/s. It bounces off at an angle of θ2 = 71.0° and a speed of v2 = 10.0 m/s. (a) What is the magnitude of the change in momentum of the...

physics
A rocket blasts off from rest and attains a speed of 58.9 m/s in 14.4 s. An astronaut has a mass of 57.5 kg. What is the astronaut's apparent weight during takeoff?

science
Ms. Sue is wrong, -A is correct! I just took the test and made a 100% on it!

LA 7
third person

ratio
30:43

Language Arts
thanks

The number of freshmen entering college in a certain year is 621. What type of data is 621? A. Discrete data B. categorical data C. Continuous data

Chem 1120
Oops, my problem states I2 is a gas. I forgot to include it. so does this change the equation?

Chem 1120
The KC for the reaction I2 --> 2I is 3.8 x 10 ^ -5 at 727 degrees C. Calculate Kc and Kp for the equilibrium of 2I -> I2 at the same conditions. I don't understand how to set up or solve this problem. I know Kc=[I]^2 / [I2] = 3.8x10^-5 for the first equation but I ...

gemotry
The coordinates of the endpoints of AB¯¯¯¯¯ and CD¯¯¯¯¯ are A(2, 3), B(8, 1), C(5, 2), and D(6, 5). Which statement about the line segments is true?

Help!
HELP!!!!!

OMG my word problem is the SAME EXACT THING I NEEEEEED help my parents don't get it either STUPID common core

Math
1234567890

Math
Using these numbers, 2 4/9, 2 5/9, 2 6/9, 2 8/9, 3, 3 1/9, 3 3/9, 3 4/9 & 3 5/9. Build a square where the sum of every horizontal, vertical, and diagonal row is 9. The square has 3 rows across & 3 rows down for a total of 9 small blocks.

Science
Tris is right, I just took the test and got a 100% if you are with Connections Academy! :-)

Maths
A debate team of 4 is to be chosen from a class of 29 where the order in which the members of the team are chosen does not matter. There are two twin brothers in the class. How many possible ways can the team be formed which will not include any of the twin brothers?

Language Arts
What is the simple subject in this sentence? These homes are built up from the bottom of the pond. a. these b. homes c. pond