Posts by Sophia
Total # Posts: 299

Math
amy is right on all of them exept for number 8 i just took the test and 8 is wrong. the answer for number 8 is B you guys 
error analyze
Can you check grammar error in this text? What can you do to reduce global warming in Thailand? Nowadays, The problem global warming is main problem for everybody in the world. It is effect on change of weather that the world have temperature highest. In Thailand, the problem ... 
Math
12/3 it 21/3 
Math
Alan scored a total of 14 points for answering all the 15 questions on a math quiz. For every correctly answered question, Alan got 2 points. For every wrong answer, he lost 2 points. How many questions did he answer correctly? 
Math
So, then what is the answer????? 
Math
An unfair coin with Pr[H] = 2/3 is flipped. If the flip results in a head, then a marble is selected from an urn containing 9 red, 1 white, and 1 blue marbles. If the flip results in a tail then a marble is selected from an urn containing 10 red and 3 white marbles. If the ... 
science
How much work is done by the upward force of your head on a 50 N rock that you carry horizontally across a 10 m room? 
physics
how much work is done by the upward force of your head on a 50 N rock that you carry horizontally across a 10 m room? 
Math
Leena bakes a loaf of bread. She eats 1/8 of the loaf and gives 1/6 of it to each of her 3 friends. What fraction of the loaf of bread is left? 
Spanish
Thank you so much for your help! I have one last question: Form the command using the correct pronoun/s to a friend: Don't make a salad for me! 
Spanish
Can someone check my answers to this? I'm really confused on these practice problems. Thanks! Directions: Using informal, formal, plural and nosotros commands (use Dop's/Iop's if needed) to correctly answer the questions. The names in parathenisis are what form the... 
language arts
how to diagram this sentence...The basketball team with the winning record will advance forwards. 
Math
How can you use decimal squares to represent the product 0 * 0.7? 
language arts
how to diagram preepositional phrases 
Child Development
Ms. Sue is FAKE!! She answers every question in less than 20 minutes!! 
chemistry
What mass of the metal must be heated to 95 degrees celsius in order to be used to warm 2.548 L of water from 18.1 to 22.5 celsius 
World Regional Studies/ Geography
In January 2000, cyanide is released to the Tisza River in Hungary. Effect 1: Effect 2: Water Pollution Countries develop industries. Effect 1: Effect 2: Poland’s water in most rivers is unsafe to drink Rain washes fertilizers from fields into bodies of water The ... 
Math
List out the elements of the set "The letters of the word Mississippi" 
math
a set of five positive integers has a mean median and range of 7 how many distant sets whose members are listed from least to greatest could have these properties 
Psychology
Describe the chisquare goodnessoffit test. 
Psychology
Can you give a real world example of when you would use a chisquare test of independence and a chisquare goodness of fit? 
Math 6
ohhhhhhh 66 choices!!! Thanks! 
Math 6
n ice cream stand sells chocolate, vanilla, and strawberry ice cream as well as a choice of 22 toppings. How many choices are there for a single flavor of ice cream with one topping? How do I do this? is it 46 choices? Am I right? 
physics
Initial velocity not given. Assuiming that we need to solve for it. Yes, the ball is thrown 60 degrees above the horizontal. Thank you. 
physics
If I am standing on top of a building that is 350 ft. high and I throw a baseball off the roof at angle of 60 degrees, determine how long the ball is in the air as well as how far it lands from the building. 
Science
Which statement is true regarding nuclear energy? 1. Nuclear power produces no greenhouse gasses and thus poses no environmental threats. 2. Nuclear plants rely on a massive industrial infrastructure using fossil fuels. 3. Due to strict safety regulations, nuclear power does ... 
ela
in the poem lineage what does they mean 
math
Thank you @Jax U fricking love u 
math
16 I'm in college so I should know this 😋😃☺ 
please help me!! with this science!!!!!
ONLY Elizabeth is RIGHT. ONLY HER. 
please help me!! with this science!!!!!
Thank you Elizabeth and Tris 
please help me!! with this science!!!!!
Mary Chavez is wrong 
science
Gg 
science
You might have different traits 
science
Fvv 
math
Super Bowl Day!! 
math
(5*7)/3 
cal
sec^2(4x+y) * (4+y') = 4 4+y' = 4cos^2(4x+4) y' = 4cos^2(4x+y)4 = 4sin^2(4x+y) Then sin^2(4x+y)=(4x/sqrt(16x^2+1))^2 =16x^2/(16x^2+1) So y' = 4(16x^2/(16x^2+1)) =64x^2/(16x^2+1)) 
math
Len is baking a square cake for his friend wedding. When served to the guests, the cake will be cut into square pieces 1 inch on the side. The cake should be large enough so that 121 guests get one piece. How long should each side of the cake be? 
math
A portrait of George Washington is square and has an area of 169 square centimeters. How long is each side of the portrait? 
physics
A car accelerates uniformly from rest to a speed of 21.5 km/h in 6.9 s. Find the distance it travels during this time. Answer in units of m 
statistics
8.5 
math
On May 23, Samantha Best borrowed $4,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan? 
4 grade math
10 
language
감사합니다 
Algebra
The profit for a company that sells chairs is defined by P= 5x^2+200x+200. Where P is profit and x is the number of chairs produced. Find the number of chairs "x" that will produce the maximum profit "P". 
Algebra
An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y= 4.9t^2+68.6t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach? How long did it take the rocket... 
math
15/20 
physics
Answer is number 3 
physics
. A block weighing 50 lbs is pulled horizontally w/ constant speed, if the coefficient friction between the surfaces in contact is 0.25, how much heat is generated by friction if the body moves a distance of 40 ft 
math
how many grams go in 2,340 kilograms 
Math
After 14 boys leave the concert, the ratio of boys to girls is 3 to 10. If there are p girls at the concert, write an algebraic expression for the number of boys at the beginning of the concert in terms of p 
Math
305 
math
How do I estimate with adding 
Chemistry
100 years 
PHYSICS URGENT! PLEASE FRICTION CASE 2
A 13 kg box is at rest on a level floor. The coefficient of static friction µS = 0.9 and the coefficient of kinetic friction µK = 0.8. Audrey is applying a 140 N push at an angle (=20°) as shown in Figure 1. C) What is the magnitude of FNormal on box from Earth? 
Physics! Case II
(45N(cos25°))/25N= 1.63m/s^2 
Physics! Case II
A woman at an airport is pulling her 25.0 kg by a strap at an angle of 25 ° above the horizontal as shown in figure Fig. P5.44. She pulls on the strap with a 45.0 N force, and friction is negligible. What is the acceleration of the suitcase? ___m/s^2 
Chemistry
What happens when NaCl(aq) and AgNO2(aq) are mixed? Also, will the mass increase, decrease, or stay the same after the mixing? Why? Thanks! 
College International Affairs
How did the US affect the dissolution of the Soviet Union? What was the US/ Soviet Union relationship at the time period? 
social studies
keepin mind that other characteristics are more important than the name. 
math
1st Step: 14x20=280 2nd Step: 280/8=35 
Math
a box of chalk and 2 staplers cost $10. Three boxes of chalk and 2 staplers cost $18. Find the total cost of 1 box of chalk and 1 stapler. 
Precalc
rewrite sinxtanx/(cosx+1) as an expression that doesn't involve a fraction. 
Precalc
Rewrite cot(^2)xcosx/(cscx1) as an expression that doesn't involve a fraction. 
Information Technology
Develop an algorithm, flow chart and pseudocode that accept as input three unit test scores and a project score for seven students. The algorithm, flow chart and pseudocode should accept seven examination scores. The students's overall score comprised of their weighted mid... 
Math
cscx/1sinx 
Precalculus
cotxcos^(3)xcscx 
7th grade social studies Ms.Sue please
This is all correct except for number which is Spanish army 
math
Just took the quiz they are D B C 
math
3x=10+13x 
Physics
How exactly are you supposed to use the second equation to solve for Vb' if you don't know Va'^2? 
Chemistry
@DrBob222 , can you explain how exactly you evaluated to get that number because im confused howd you got there 
Math
The 4ft by 6ft has a solid red rectangular area that covers 1/3 of the flag. What could be the dimensions of this red area? 
Science
During betaparticle emission, a neutron splits into a proton and an electron two protons two electrons two neutrons 
Physics
A.) F=ma F= (50kg)(.92m/s^2) F= 46N a= 46N/60kg a= 0.77m/s^2 toward Jane 
math
No because 4/14 Is not half of her paper If the answer was 7/14 then yes 
Spanish8th grade
I had to use the past tense of either poder or saber to write each sentence 1. tú y yo/mirar la televisión Tú y yo pudimos mirar la televisión. 2. nosotros/viajar Nosostros pudimos viajar. 3. los muchachos/jugar al fútbol Los muchachos ... 
medical coding
person has upper respiratory infection w bilateral acute conjunctivitis .. whAT WOULD the code be? 
matlab
amount= 1000; k=0; while amount < 50000 k=k+1; amount =amount*1.045 +1000; end amount k amount = 5.0711e+004 k = 26 this is the correct answer 
matlab
amount= 1000; k=0; while amount < 50000 k=k+1; amount =amount*1.045 +1000; end amount k amount = 5.0711e+004 k = 26 this is the correct answer 
Math
Gracias, Mi amigos 
Math
Find the value of x or y so that the line passing through the two points has the given slope. (1,4) (X,3); M=2/3 
physics
What are the maximum values of the following when an incandescent 55W light bulb (at 110 V) is connected to a wall plug labeled 110 V? 
comm215
please help me correct my essay. the topic of the essay is:"Why overcrowding of school are causing teacher's to lose their jobs overcrowding? and how teacher layoffs are the result of overcrowding." below is a copy of the essay i wrote... One main concern both ... 
comm215
it does not necessarily have to be facts, the answer can be based on my own opinion. I just need something to get me going. 
comm215
I have to write a 300400 words essay on the following questions: Why overcrowding of school are causing teacher's to lose their jobs? how is teacher layoffs the result of overcrowding? Please help. 
comm215
Why overcrowding of school are causing teacher's to lose their jobs? how is teacher layoffs the result of overcrowding? 
MATH
WHAT IS THE UNPAID BALANCE AT THE END OF 1O YEARS OF A 250,000 LOAN WITH A INTERESRT RATE OF 6% THAT COMPOUNDS MONTHLY? 
science
what is the height of a rock wall that is casting a 10ft shadow if a 6 ft bird watcher is casting a 14 ft shawdow 
PreAlgebra
What is a3/5=1/5 ? 
English
He took the test yesterday is it adverb or adjectives 
Algebra
Laura can use the equation of: * 1 yard = 3 feet * 12 inches = 1 foot Figure out how many inches in a yard (36 inches = 1 yard) and then you do 36 x 20 and get your answer. Your answer will be 720 inches in 20 yards. 
Organic Chemistry
If fructose, glucose, and sucrose are the only carbohydrates in honey, how could you use Benedict's reagent to determine the number of moles of sucrose in a 1.0g sample of honey? 
Physics
Which would burn the most 100 g of water at 100 degrees C or 100 g of steam at 100 degrees C? 
Physics
About how much pressure do the feet of a 6000kg elephant exert on the ground? Assume each foot has area of 0.10 square meters. 
Physics
What is the mass of the air in a room that has dimensions of 10m x 30m x 4m? 
Physics
How many calories are released when 3 grams of 100º C steam turns to 0º C ice 
science
6. identify the actionreaction pairs of forces for the following situations: (a) you step off a curb. (b) you pat your tutor on the back (c) a wave hits a rocky shore. 
algebra
3x^32x^2y8xy^2