Questions Asked on
March 19, 2018

English
1. I have a headache. 2. I have headache. [Can we use both expressions? Which one is commonly used?]
asked by rfvv 
math
Solve for x and y using elimination ax+by=c bx+ay=c This question has been confusing me for a long time, and I can't seem to find the answer by solving using elimination. Thanks for helping me :)
asked by anonymous 
English
1. Read and interpreat the whole sentences into Korean one by one on the page. 2. Read each sentence and translate it into Korean on the page. 3. Read one sentence and translate it into Korean. After that read the second sentence and translate it into
asked by rfvv 
English
1. Step onto the wooden platform in this classroom. 2. Walk toward the raised platform to introduce yourself. 3. Step to the platform and recite the whold sentences in the passage. 4. Come onto the podium and intorduce yourself inclucing your school life.
asked by rfvv 
Physics
A child slides down a 5.98 m playground slide that makes an angle of 38.0° with the horizontal. The coefficient of kinetic friction between the slide and the child is 0.162. If she starts at the top with a speed of 0.208 m/s, what is her speed (in m/s) at
asked by Han 
English
1. Where is the restroom? 2. Where is a restroom? [Can we use both expression? Do you use only #1? Does the restroom mean the specific restroom? Or is 'the restroom' in generic use? Or does the restroom mean the specific restroom near here, which people
asked by rfvv 
Math
The first three terms of an arithmetic progression are 2x, x+4 and 2x+7 respectively. Find the value of x. I have no idea where to go from here – any help would be greatly appreciated, thanks in advance!
asked by Autumn 
Social Studies
The FreeSoil was a precursor of which of the following: 1. Know Nothing Party 2. Whig Party 3. Republican Party 4. Copperhead Party
asked by papa johns pizza 
probability
tell whether the outcome is impossible, unlikely, as likely as not, likely, or certain. Then write the probability in simplest form. choosing a red crayon from a box of 24 different colored crayons, including red crayons. please help. I don't get this.
asked by i really need help!!!! 
science
sally and lisa have identical compact cars sally drives on the freeway with a great speed than lisa. which car has more kinetic energy
asked by michelle 
Science
In many plants, leaves and flowers are held above the ground by the stem . Suggest a reason for this.
asked by Noor 
science
a 400 kg block of iron is heated from 295 k to 325 k. how much heat is absorbed by the iron? ( the specific heat is 450 j. /kg. k)
asked by michelle 
Physics
A cart rolling down an incline for 5.0seconds has a beginning speed of 2.0m/s . What is the final speed?
asked by Nicole Tembo 
Science
What motion causes thermal energy?
asked by mini hulk girl 
Math
To describe a sequence of transformations that map triangle ABC onto triangle ABC a student starts with a reflection over the X axis. how should the student complete sequence of transformations to map triangle ABC onto triangle ABC
asked by marie 
Math
1.Write a rule for the sequence 5,4,13,22 2. Find the next three terms of the sequence 4.8.16.32 3.What is the 9th term in the following sequence 11,17,23,29
asked by Some Random Dude 1 
Math
The grade 12 class at a school consists of 63 learners in the ratio of 4boys to 5 girls. Determine the number of girls in the class
asked by Mmamohau 
physics
4 packets of charges are arranged in a circle. Each packet is 90 degrees from each other. Each packet consists of 22 elementary charges associated with the nucleus of two sodium atoms. A test charge is placed in the center of the circle of packets. The
asked by Pat 
Science
Plants need bacteria in order to take up and use which element? 1)carbon 2)oxygen 3)nitrogen 4)hydrogen I think #3 Thanks for checking my answer
asked by Jamie M 
science
which igneous rock is mixed with soil and used for starting vegetable seeds
asked by marvin 
Social studies
Based on the timeline what can be directly tied to the invention of the cotton gin *cant upload the time line A civil war B economic hardship in the south C the spread of slavery D industrialization in New England *lesson 8 unit 7 Unit test
asked by marie 
physics
4 packets of charges are arranged in a circle. Each packet is 90 degrees from each other. Each packet consists of 22 elementary charges associated with the nucleus of two sodium atoms. A test charge is placed in the center of the circle of packets. The
asked by Pat 
Algebra
Mr. Cal Q. Later has a bag of jellybeans. As he walks around the room, he places a few jellybeans on everyone's desk—everyone's, that is, except Leo. On Leo's desk he places the bag with the remaining jellybeans. Here are the numbers: 17: Harumi 14:
asked by samay 
math
Marcella and Ruben bought some party supplies. Marcella bought 3 packages of balloons and 4 packages of favors for $14.63. Ruben bought 2 packages of balloons and 5 packages of favors for $16.03. Find the price of a package of balloons.
asked by lee 
Invention
Who was Jiskha invented by? Was it Ms. Sue?
asked by Mr. Market 
math
Which points are on the graph of y=tan x? Select all that apply. (2 answers) a. [4pi/3, sqrt(3)]*** b. [pi/4, 1] c. [pi/6, sqrt(3)/3] d. [pi/3, sqrt(3)]*** e. [1, pi/4]
asked by girly girl 
SS
Which of the following was not a commander for the unified Allies? A.) Joseph Stalin B.) Chiang Kaishek C.) Charles de Gaulle D.) Benito Mussolini Was it B?
asked by 5ollax 
science
imagine an unlit candle what type of energy is represented here? thermal chemical potential mechanical electromatic I think it is thermal am i right if not explain plz
asked by ccccc 
Science
how does energy transfer from a food chain to an energy pyramid? Please help Im really confused and have no idea what I would do.
asked by Hannah V. 
Math  6th Grade Integers
Which number can be inserted in the parentheses to make the statement true? 3 1/4 > ( ) A. 3 B. 2 1/2 C. 1 1/2 D. 5 1/3 I think it'd be 5 1/3 because when you're in the negatives the smaller number (Like 3 1/4 in this case) is actually bigger. And
asked by Alexandria 
physics
"If you have an inductor that has an inductive reactance of 125 ohms, on a 60Hz frequency, what would be the inductance in henry's?"
asked by lou 
math
Maude uses 3/4 of her allowance to get a massage for 3/5 of an hour. What fraxction of her allowance would she need to get a massage for a full hour?
asked by christina 
geometry
These polygons are similar but not drawn to scale & Are the two triangles similar how do you know
asked by george 
physic
"If you have an inductor that is connected to a 36v, 400 Hz circuit with a current of .2 A, what is the inductance of the inductor?"
asked by lou 
physics
A car travels around an unbanked highway curve (radius 0.15 km) at a constant speed of 25 m/s. What is the magnitude of the resultant force acting on the driver, who weighs 0.8kN?
asked by ATT 
World History
How and in what ways did Athens’ growing dependence on its navy in the years following the Persian Wars lead to radical changes to the Athenian democracy?
asked by Bethanie 
Social Studies ASAP PLZ
1. Which of the following is the largest ethnic group in China? A. Han ** B. Tibetan C. Uighurs D. Hui 2. How is Xiao most like other Chinese people? A. He has only one brother B. He has chosen to live at home ** C. He works at a factory D. He is an
asked by Libby 
Texas History
Compare and contrast the fight for civil rights for Mexican Americans and African Americans. (someone please help)
asked by taytay 
Texas History
Describe the factors that led to the urbanization of Texas during and after WWII. (someone please help)
asked by taytay 
Math
The graph of f(x), a trigonometric function, and the graph of g(x) = c intersect at n points over the interval 0
asked by Max 
math
3. new flowers are being planted in a circular flower bed with a 14 foot diameter if each flower requires 2 square feet of space about how many flowers can be planted? a.308 flowers b.154 flowers c. 77 flowers d. 66 flowers
asked by jman lbj 
math
When drawing four cards, where you do NOT replace a card before drawing another card, what is the probability of drawing "four of a kind"? Can you show me the steps.
asked by Kelley 
Math
If you write the function P=10e^−2t in the form P=P0a^t, then P0= a= .
asked by George Carl 
chemistry
Which of the following would for a buffer if added to 250.0 mL of .150 M SnF2? a).100 mol HCl b).060 mol HCl c).040 mol HCl d).040 mol NaOH e).040 mol HF
asked by homework 
Social Studies help please!!
Explain why Polk was able to win the presidency. What did he campaign in support of? Can someone explain to me please?
asked by that emo girl! 
Math
Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volune? why? (I need help on this)
asked by No 
science
I need help can someone help me with energy I am horrible at it I have a test coming up and I need to do good. Plz if you can give me info on as many energy forms there are. I don't get energy.
asked by ccccc 
Math
Just need some help. My teacher likes to throw in advice on each problem, but they confuse me more. On this one he said multiply by 3 since volume is given. I know my formula is V=1/3bh, but does his advice mean multiply the base ×3 and then plug in to my
asked by Dallas 
geography
which of the following rivers have deltas: mississippi, orinoco, amazon,Nile, Chang Jiang( Yangtze), and Making? Do they all have deltas??
asked by nicole 
Calculus  derivatives of e
Find an equation of the tangent line to the graph of y = e^(−x^2) at the point (5, 1/(e^25)). My work: y' = 2xe^(x^2) y' when x = 5 = 10e^25 y  (1/e^25) = 10e^25 * (x  5) y = (10e^25) (x  5) + (1/e^25) This is incorrect. How?
asked by Anna 
Calculus
Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 1, and x = 1 is revolved around the line y = 3 I got the integral from 1 to 2.718 of pi(1)^2pi(ln(x))^2 Is this correct or is there a
asked by Kait 
Math
A cell phone company charges $0.28 for each text message. Paula plans to spend no more than $5.00 on text messages next month. Write and solve an inequality to find how many text messages she will be able to send.
asked by Cheryl 
chemistry
What is the pH of a buffer solution that is prepared by treating 600.0 mL of 1.5 M sodium acetate with 240.0 mL of 0.25 M HCl? I tried everything, I have no clue how to start nor what to do; very lost
asked by homework 
Social Studies
Before the arrival of Europeans, Cherokee living in Georgia made their homes from A. large logs arranged in a rectangle. **** B. clay bricks baked in the sun. C. poles wrapped with animal skins. D. woven saplings covered with mud.
asked by Anonymous 
Math
The flask consist of a cylindrical part and a frustum of a cone. The diameter of the base is 10 cm while that of neck is 2 cm. The vertical height of the flask is 12 cm. (a) the slant height of the frustum part; (b) the slant height of the smaller cone
asked by K 
math
Write a function rule for the area of a rectangle whose length is 5 ft more than its width. What is the area of the rectangle when its width is 11 ft? Write a function for the area A of the rectangle using the independent variable width W.
asked by walt 
Science
How are models limited by our patterns of thought?
asked by Jane 
Geography
How do I find the daily rotation of a tire. My tire size diameter is 25 I travel 160 miles per week not sure where to go next
asked by Paige 
World History
How was the Peloponnesian war unlike anything previously experienced by the Greeks?
asked by Bethanie 
World History
Who was Pericles, and what role did he play in the process of changing Athenian democracy?
asked by Bethanie 
Math
Write a rule for the function represented by the table. ___________________ Input(x)01234 Output(y)3691215 A. y=3x B. y=3x+3 C. y=5x+1 D. y=x+5 Please help me!!!
asked by Memed 
math
robert wanted to buy a computer game that cost $25 last week. this week when he went back to buy the game, the price was $35. What was the percent increase of the price?
asked by Anonymous 
Math
2,3,i√13 find the polynomial equation
asked by Ciara 
English
1. Where is the restroom? 2. Where is a restroom? [Can we use both expression? Do you use only #1? Does the restroom mean the specific restroom? Or is 'the restroom' in generic use? Or does the restroom mean the specific restroom near here, which people
asked by rfvv 
Social Studies
Why did the Continental Congress have a difficult time funding the Continental Army? A. The central government established under the Articles of Confederation had no power to collect taxes.******* B. The Continental Army had no built up reserve of weapons
asked by Anonymous 
Physics
1. An electric charge moves through an electric field. it accelerates, gaining 100J of energy. The change in electric potential of +10V. What is the magnitude of the charge of the particle? I did 100J/10V to get 10C. 2. If a negative charge of double the
asked by Pat 
Chemistry
In a .57 M solution of HOC6H5, .0684% of the acid has been dissociated. a) find the concentrations of all aqueous species in the solution at equilibrium b) find the pH of the solution c) What concentration of HBr would produce a solution with the same pH
asked by Anonymous 
Physics
A pendulum bob of mass m swinging from the end of a light string of length L = 1.89 m. The bob has speed of v0 = 9.42 m/s when the string makes an angle θ0 = 33.9° with the vertical. What is the speed (in m/s) of the bob when it is at its lowest point?
asked by Leia 
English
1. He goes to a concert once a week. [ 'a' in 'once a week' means 'per'. Then, what does 'a' in 'a concert' mean? Does the 'a' mean 'one'?]
asked by rfvv 
chemistry
what is the oxidizer and reducer in this equation? Mg + S > MgS Oxidizer :S Reducer: Mg Oxidized: Mg Reduced: Sulfur
asked by Anonymous 
chemistry
N2H4 + O2 > What is the correct product for this equation N2 + H2O or NO2 + H2O?? Then, what is the correct oxidizer and reducer? I think oxygen is the oxidizer and nitrogen is the reducer and hydrogen isn't in any of these categories? Thank you!
asked by Anonymous 
history
Which correctly describes the positive impact of European imperialism? Imperialist powers promoted their own interests over the wellbeing of indigenous peoples. Imperialist powers sought social change through selfgovernment. Imperialist powers provided
asked by Bri 
Math
What is the Perimeter of the rectangle 23yd on top and 14 yd on the right side
asked by Ashley 
5 th grade math
What is the perimeter of the rectangle. 23yd on top and the 14 yd down the side in the middle.
asked by Ashley