Questions Asked on
September 13, 2017

science
An empty truck wieght 4000N.its engine can produce a maximum acceleration 1m/s square .if truck is loaded with 2000N,find the maximum acceleration the engine can produce.i want watch video of this question.physic
asked by jahangir 
Math
Tickets for a play cost Php 250 for adults and Php 200 for children.The sponsor of the show collected a total amount of not more than lhp 44,000 from more than 150 adults and children who watched the play. A. What mathematical statements represents the
asked by Claire 
MathAlgebra 1
You have a bag which contains only red and green marbles. In this bag with x^2+5 marbles total, x+1 are red. Also, x3 marbles have a scratch on them. The probability of drawing a red marble from the original bag is equal to that of drawing a marble with a
asked by Jalaia 
English
1. He wrote a letter with a pen. 2. He wrote a letter in a pen. 3. He wrote a letter in pen. 4. He was writing a letter in pencil/in fountain pen/ in a ballpoint pen. (Is #2 incorrect? Why is that? Is #4 all correct? Do we have to delete 'a' or'an' after
asked by rfvv 
Physics
Town A lies 20 km north of town B. Town C lies 13 km west of town A. A small plane flies directly from town B to town C. What is the displacement of the plane. Please explain how you got the answer
asked by ken 
Language Arts
1. Identify the sentence the contains a verb phrase. A) African Violets are an excellent choice for an indoor garden. B) These plants are relatively easy to grow. C) They require very little natural light. D) You can grow them with artificial lighting. 2.
asked by LoyaltyIsFake 
Geometry
in triaangle ABC, AB=20 cm, AC=15 cm the length of the altitude AN is 12 cm prove that ABC is a right triangle so far i got that angle ANC is 90 degrees by definition on altitude i got really confused after so can you show me how to answer the question and
asked by Ashley 
process chemical
The pressure guage on the steam condenser for a turbine indicates 26.2 in. Hg of vacuum. The barometer reading is 30.4 in. What the absolute pressure in the condenser in psia?
asked by paru 
Math
The ratio of men to women at Mabuhay High school is 3:7.If there are 6,153 women in the said school,how many men are at Mabuhay HS?
asked by Shine 
physics
What is the magnitude of force required to accelerate a car of mass 1.7 Ã— 10Â³ kilograms by 4.75 meters/secondÃ†?
asked by Anonymous 
Social studies
5. What effect on the Columbian exchange does this image illustrate? (A). The population boom of domesticated animals that escaped into the wild. (B). The conversion of the physical environment.*** (C). The introduction of milk cows to the North Americans
asked by Jen 
Algebra
using the formula r=d/t, where d is distance, r is the rate, and t is the time in hours. At which rate must you travel to cover 227.5 miles in 3.5 hours? 65 mph 75 mph 85 mph* 95 mph
asked by Person 
physics
Town A lies 20 km north of town B. Town C lies 13 km west of town A. A small plane flies directly from town B to town C. What is the displacement of the plane.
asked by ken 
Math
If each of the five members in a basketball team shakes hands with every other members of the team before the game starts,how many handshakes will there be in all?
asked by Shine 
chemistry
Which of the following solvents would most effectively dissolve a nonpolar gas like methane? a polar solvent at 10°C a polar solvent at 35°C a nonpolar solvent at 35°C a nonpolar solvent at 10°C is it a?
asked by PLEASE help 
tangential acceleration??
An ultracentrifuge accelerates from rest to 100,000 rpm in 2.00 min. What is the tangential acceleration of a point 9.50 cm from the axis of rotation? Your answer should be given in m/sec squared. Tangential acceleration = angular acceleration * radius How
asked by anonymous 
Phy sci
If you are travelling at 35mph and it takes you 25 seconds to stop, how far have you gone?
asked by Spencer Brown 
College Algebra
The line through (2, 5), perpendicular to y = 7/3x1 Question: Write an equation in slope intercept form.
asked by Morpheous 
math
the opposite of 4 is math
asked by Help i need somebody not just anybody 
social studies
of the following,who emerged as a strong leader and organizer of colonial protests and public support A crispus attucks B john adams C samuel adams Dgeorge grenville why did colonists oppose writs of asistance? A they thought it limited their access to
asked by JACKSEPTICFAN!!!!! 
Math (Check answer)
Please check the solution below: X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given
asked by Anonymous 
Algebra
Which word phrase can you use to represent the algebraic expression 6y? 6 less than a number y the sum of 6 and a number y the product of 6 and a number y** the quotient of 6 and a number y
asked by Person 
science
The coefficient of static friction between 3.00 kg crate and the 35.0 incline is 0.300.what minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline
asked by kathy 
math
Nancy is 4 years younger than Monica. Seven years from now the sum of their ages will be 82. How old are they know?
asked by gloria 
Math
Each of n cats has 2n fleas. If two cats (and their fleas) are removed, and three fleas are removed from each remaining cat, the total number of fleas remaining would be half the original total number of fleas. What is the value of n? Please help. I really
asked by Lunoura 
English
1. Artists show feeling and ideas with colors. 2. Painters show feeling and ideas with colors. 3. Drawers show feeling and ideas with colors.  Does 'artists' mean 'painters' or 'drawers'? Can musicians such as guitarists or
asked by rfvv 
math
determine if biased, a questionnaire about movie preferences asks if you would rather watch a boring documentary or an exciting action movie?
asked by lyn 
Check answers
Environmental science Explain why the energy pyramind levels change in size? There is not enough energy to support the organisms that are higher up in the energy pyramid because too much energy gets lost. What is the ultimate source of energy for most food
asked by Aria 
Math
A rectangle has sides of 10 and 12 units.How can the area of a square be computed if it has the same perimeter of the rectangle?
asked by Shine 
Chemistry  Rates
For a particular reaction, the rate constant is 2.32 ✕ 10−3 M/s at 185°C and 3.70 ✕ 10−3 M/s at 235°C. What is the activation energy for this reaction? _______ kJ/mol
asked by Jamie 
English
posted by rfvv Wednesday, September 6, 2017 at 3:31pm. The blues in Picasso's painting seem to communicate his sadness. It makes me a little sad, too.  Q1: Do we have to use the plural form 'blues'? Q2: What does 'It'
asked by rfvv 
process chemical
A cellulose solution contains 5% cellulose by weight in water. It is to be diluted to 4.0 % using a 1% solution of cellulose in water. Determine the kilograms of 1% solution required to dilute 100 kg of the 5% solution.
asked by paru 
Science (Biology)
The disease bullous pemphigoid results in the destruction of proteins within the basement membrane that hold the epidermis and dermis together. How would this likely affect the epidermis?
asked by RIRI 
art
What is the difference between 'violet' and 'purple'? Are they the same colors or are they different in colors?
asked by rfvv 
English
posted by rfvv today at 4:26pm. posted by rfvv Wednesday, September 6, 2017 at 3:31pm. The blues in Picasso's painting seem to communicate his sadness. It makes me a little sad, too.  Q1: Do we have to use the plural form
asked by rfvv 
Language Arts
1. Identify the portion that contains a compound subject. During the 1940s and 1950s, Budd Abbott and Lou Coastelle were a popular comedy team, television, and stage. A. 1940s and 1950s B. Budd Abbott and Lou Coastelle C. radio, television, and stage D.
asked by LoyaltyIsFake 
Chemistry
When solid magnesium nitride reacts with water the reaction produces solid magnesium hydroxide and ammonia gas. 26.0 grams of magnesium nitride are reacted with 17.6 grams of water. 1. How many grams of magnesium nitride will remain after reaction is
asked by Jay 
chemistry
A compound is found to have 61% carbon, 6.6% hydrogen, and 32.6% oxygen. What is the empirical formula of this compound? I got C25H32H10 but the subscripts seem absurdly large.
asked by cain 
English
1. The copier is out of paper. 2. The copy machine is out of paper. 3. The photocopier is out of paper. 4. The copying machine is out of paper.  Can we use all the expressions? Is #4 correct?
asked by rfvv 
ELA
what is a key difference between the narrators of stolen day and the night the bed fell
asked by Timothy 
Geometry
If I have a tv cabinet that is 72inches long and 60 inches high how large a tv could I put in the space (leave 2 inches on all sides for the edging of the tv)
asked by Faye 
Social Studies
Hi. Tell me if it did this right, because I am slightly confused. Antifederalists and Federalists debated about the language in the U.S. Constitution. Which of the following were major viewpoints of Antifederalists? Select all that apply. a. They believed
asked by Please help me 
Math
Find twice the sum of 18 and 56
asked by Gerald 
Algebra
Can somebody please explain how do I turn decimals into fractions?
asked by ethan 
g.p.
for the what value of x the numbers x2, x,x+3 are in g.p.
asked by ajay 
Math
Ronald need to earn at least Php 2,500 from his two jobs to cover his weekly expenses.This week,he can work for at most 42 hours.His job as a gas station attendant pays Php 52.50 per hour while his job as parking attendant pays Php 40 per hour. A. Write a
asked by Claire 
Math
Jane is buying squid balls and noodles for her friends.Each cup of noodles costs Php 15 while each stick of squid balls costs Php 10.She only has Php 70 but needs to buy at least 3 stick of squid balls. A. Write a system of linear inequalities to model the
asked by Claire 
Math
Evaluate the integral of (secx)^2 * (tanx)^3 *dx I started out with letting u=secx and du=secx*tanx*dx , but then I am kind of stuck because I don't know how to factor out just secx*tanx? The answer in the book said that it is (1/4)(tanx)^4 + C.
asked by Dave 
Math
Evaluate the integral of 5^t * sin (5^t) *dt I started out with u = 5^t , but then I got stuck on du because I am not sure how to take the derivative of 5^t? The answer from the book is (1/ln5) cos(5^t) + C I understand the part with the antiderivative of
asked by Dave 
Math
Evaluate the integral of (sin 2x)/(1+cos^2 x) 1. u=cosx and du=sinx *dx 2. evaluate the integral of 1/(1+u^2)*du 3. result is ln(1+u^2)+C Where did the sin2x dissapear too???
asked by Dave 
Math
Evaluate the integral of x*(2x+5)^8*dx I let u=2x+5 and du=2*dx, but then where do I go from there because I can't get rid of the x in order to integrate?
asked by Dave 
Math
Evaluate the integral of e^(1/x) / x^2 from [1,2]. I let u =1/x, but then I am stuck because I am not sure what is the derivative of 1/x is? The answer in the book is e sqrt(e)
asked by Dave 
Math
Evaluate the integral of (x^3 + x^4*tanx) from [pi/4, pi/4] How do we know which one to let equal to u in order to start this whole process? The answer in the book is 0.
asked by Dave 
Environmental science
Why does the energy pyramid levels change in size ? What would happen to a food web if one of the primary consumers was removed from the system ?
asked by Aria 
Math
Evaluate the integral of x * sqrt(x1) from [1,2]. I let u=x1 and du=1*dx, but then I can't get rid of the x to start integrating? The answer in the book is 16/15.
asked by Dave 
Math
Evaluate the integral of (e^z + 1)/(e^z + z) from [0, 1] How do you know what to let equal to u to start this process? The answer in the book is ln(e+1).
asked by Dave 
Math
Evaluate the integral of 1/(1+sqrtx)^4 from [0,1] I started off letting u=1+sqrtx and du=1/2sqrtx, but then there is no 1/2sqrtx in the equation. What am I suppose to do next? The answer in the book is 1/6.
asked by Dave 
History
which conclusion is best supported by the fact that the United States did not enter World War II until 1942 a. US leaders did not believe that the events of the war justified involvement until 1942 b. Germany had not been involved in the World War II until
asked by Hannah 
math
WHAT IS 3/67? does this make sence?? OH HEYY REMEMBER ME RIN OKURMURA? im jacksepticfan now haha
asked by rin okurmura 
Biology
Which of the following best describes the relationship between science and society? A. Science influences society but society does not influence science.** B. Society influences science but science does not influence society. C. Science influences society
asked by Wolf 
geometry
Prove that a triangle with sides : x^21, 2x, and x^2 +1 is a right triangle. i substituted the "x"s with 2 and got 5, 4, and 3 and i said that because of the common pythagorean triplets this triangle is a right trianlg is there another way to prove this
asked by Ashley 
Math
Solve the following system of equations. x1 + 2x2 + 6x3 = 8 x1 + x2 + 3x3 = 4
asked by Anonymous 
English
What's "the Awakening" by Kate chopin point of view and the effect of any significant shifts in the narrative voice ?
asked by Marquita 
geometry
this is my last one, in triangle ABC, mesurment of angle CAB is equal to 60 degrees and point D belongs to the line BC and AD is equal to 8 ft. Find the distances from D to the sides of the triangle. honestly i have absolutly no ideaon to how tosolve this
asked by Ashley 
Biology
How is Paramecium related to Protozoa?
asked by Anonymous 
Math
What is 3/4 divided by 2/9
asked by Jenny 
Math
Solve the following system of equations. x1 + 2x2 + 6x3 = 8 x1 + x2 + 3x3 = 4
asked by Anonymous 
Algebra 2
How do I find a and b given the equation ax^2 + bx 4 and a vertex point of (1,6)?
asked by Janet 
spanish
how do you say what time is it in spanish? help me!!!! @^_^@
asked by Dbunny 
Math
write 5x5x5x5x5x5x5 using an exponent
asked by Timothy 
geometry
m
asked by David M 
English
If I understood correctly, does the statement below mean that I must email on Friday, November 5, 2017 but no later than 12 pm to confirm the interview or does it mean that I can email earlier by the deadline, which is 12 pm on Friday, November 5, 2017?
asked by Christina 
maths
the denominator of a fraction is 1 less than 4 times a numerator.if 1 is added to both the numerator and the denominator the fraction becomes 3/8.find the fraction
asked by meera 
Math
What is a good benchmark to use for estimating the number of photos in an album? Which I don't understand this question please help
asked by Roxy 
Social studies
2. According to the map, how did people first arrive in North America? (A). They traveled by boat from Africa. (B). They sailed across the Atlantic ocean. (C). They migrated from South America to North America. (D). They walked or paddled from Asia to
asked by Jen 
Math
5^2x 4+2^3
asked by Timothy 
Algebra
4) The line with slope 6/5 , going through (0, 2). Write equation in Slope Intercept Form. I am new to this so can you show me a step by step method of solving this problem so i can use it as a practice template.
asked by Michael 
Chemistry  van't Hoff factor
The freezing point of a salt and water mixture is 0.58 C. The freezing point of an unknown ionic solution (0.100 m) is 1.04 C. 1. Determine the freezing point depression for the ionic solution. 2. How do you determine the van't Hoff factor for the ionic
asked by Ally 
La
After the daughter in "Two Kinds" has grown up her mother and for us to give her a piano for her birthday. This action shows that her mother.
asked by Isabelle 
language arts
LORD OF THE RINGS STORY which answer choice best describes how the conflict of the story is revealed? A)Bilbo Baggins returns,and everyone lives happily ever after. B)Sauron's defeat leads middle earth to change forever. C)Frodo ecounters danger when he is
asked by JACKSEPTICFAN!!!!! 
Sociak
How can u say the present consitiution is prepared according to the people will's n aspiration?
asked by Bibek 
chemistry
It is found experimentally that the terminal settling velocity uo of a spherical particle in a fluid is a function of the following quantities: particle diameter, d; buoyant weight of particle (weight of particle  weight of displaced fluid), W; fluid
asked by id 
English
1. I feel blue. 2. I feel gloomy. 3. I feel like the color blue. 4. I feel like blue.  #1 means #2, doesn't it? What about #3 and #4? Do they mean #1 or #2?
asked by rfvv 
Math
The arithmetic mean of a set of 50 numbers is 38.If the two numbers,45 and 55,are discarded,the mean of the remaining set of numbers is__.
asked by Shine 
Math
A cube is a rectangular solid,the length with,and height of which have the same measure called the edge of the cube.The volume of the cube is found by cubing the measure of the edge.What is the volume of the cube whose edge is 4cm?
asked by Shine 
Math
What is 1/7 multiplied by 2/4 divided by 2/9 added by 5/6 subtracted by 3/5?
asked by Riley 
math
n+3P6 : n+2P4 = 14 : 1. Find 'n' .
asked by Abhay 
Math
If a function is defined by the set of ordered pairs (1,2),(2,4),(3,8),(4,16),(5,Y),then the value of Y is?
asked by Shine 
chemistry
Read the scenario. A scientist needs to dissolve a solid in a liquid as quickly and efficiently as possible. Which two methods should she use to get the desired result? heat the solution and use larger chunks of the substance heat and stir the solution
asked by PLEASE help 
English
[From Cambridge English] Have got and have mean the same. Have got is more informal. I’ve got a terrible pain in my back. I have a terrible pain in my back. (more formal)  Question: What about in American English? In
asked by rfvv 
Math
If n
asked by Shine 
Math
Illustrates the procedure and correct answer of multiplying 2 1/2x3 2/3.
asked by Shine 
College Math
1. Graph the linear inequality. y≤4x 2. Graph the linear inequality. 4x+5y≤20
asked by Anonymous 
Geography
Indian country
asked by Raghu 
PHYSIC
Kicker is trying to make a filed goal from (35m). He kicks the ball at (30 degree)horizontal. The crossbar is (3.05m) above the field.  two equation from the horizontal and vertical position as a function of time. Find the time it took the ball to reach
asked by AH 
math
In an adventure game, you can open the door to a treasure room if you have the correct key. The number of the correct key is divisible by 3 and 4, but not 5. Which color key will open the door? 5 colored keys hang on hooks in a row. Each is a different
asked by davonte 
English
1. She looked depressed[blue,down]. 2. She looked up/high. 3. She looked lively.  Can #2 and #3 be the opposite of #1? Do you have some other expressions which are opposite of #1?
asked by rfvv 
Science
Which of the following is a pure substance? Choose all that apply. Choose 2. A)Fruit juice? B)nickel? C)saltwater? D)rust? (Fe2O3) I think it is A and C
asked by boooooooooooyyyyyyy 
Math
The points P(2,2) , Q(4,4) and R(5,2) are vertices of a Triangle. The perpendicular bisector of PQ and the line through P parallel to QR intersect at S. Find the coordinates of S.
asked by Felix 
english and lannguage arts
Which of the following would you find in the new English and language arts curriculum guidelines
asked by Anonymous 
English
1. In Renoir painting, we can see warm colors such as orange and yellow. 2. In Renoir painting, we can see warm colors like orange and yellow. 3. In Renoir painting, we can see warm colors for example orange and yellow. 4. In Renoir painting, we can see
asked by rfvv 
Biology
Why do scientists observe microorganisms?
asked by Shendria 
Algebra
Is the sqrt2 over 8 rational or irrational? I believe it is irrational.
asked by Jeremiah Oglethorpe 
Grammer
What is the subject in: It must be Norm the genie's birthday tomorrow. Is the subject IT or NORM THE GENIE
asked by Kamran 
Texas History
Which war gave Texas its independence from spain? The Mexican war of Independence**** The Spanish american war The war of spanish secession the war of triple alliance
asked by swimmer girl 
Biology
Why do we need grass for hay infusion?
asked by Anonymous 
math PLZ HELP
In an adventure game, you can open the door to a treasure room if you have the correct key. The number of the correct key is divisible by 3 and 4, but not 5. Which color key will open the door? 5 colored keys hang on hooks in a row. Each is a different
asked by davonte 
Please explain
how would you convert the repeating non terminating decimal to a fraction explain the process as you solve the problem 0.1515...
asked by Herc 
Chemistry
Describe what happens to kinetic energy of the molecules when temperature increases. What type of relationship between exists between kinetic energy and temperature? (direct or inverse)
asked by Elizabeth 
SS
Which of the following statements most accurately portrays life in the backcountry? A. Most property owners were wealthy, and many lived on large, elegant plantations. B. Farms were large and needed a lot of enslaved Africans to support the crops harvested
asked by AlexaBliss<3 
new math
Tell whether each number is divisible by 2, 3, 4, 5, 8, 9, or 10. Some numbers may be divisible by more than one number. 1.324 2.840 3.2,724 4.81,816 5.7,848
asked by davonte 
History
Which of the following list of eras in Texas history in the correct order? a). Early Statehood,Spanish Texas,reconstruction,era of reform. b). mexican texas,spanish texas,civil war texas,the republic of texas. c). spanish texas, the republic of
asked by Annonymous 
math
5×4
asked by ahyd 
Math
If a light bulb that burns 3 hours a day lasts for 22.8 years, then how long will a light bulb that burns for 7 hours a day last?
asked by Laurie 
CHEM
If 100g of NaOH are reacted with 85.00g H3PO4, how many grams of Na3PO4 can be made? Make sure the final answer is in the correct number of sig figs. 3NaOH + 1H3PO4 > 1Na3PO4 + 3H2O I got 100g Na3PO4
asked by tom 
Math
There were 30 boys and 25 girls in a gym. What is the ratio of boys to girls in the gym?
asked by Olivia 
LA
1) How many U.S. presidents can (you) name? (2) In the year 2000, U.S. citizens elected the 43rd (president). (3) Some presidents (were elected) more than once. (4) Franklin Roosevelt, for example, was elected to four terms (in office). (5) Many citizens
asked by IWouldAlwaysOpenUpTheDoor 
math
zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. what size would the servings need to be for 10 people to have a serving
asked by Abelezer 
Math
The point (2, 3) is on the graph of y f(x). Determine the corresponding coordinates of this point on the graph of y= 2(f(2(x + 5) 4. Please include a full solution! A: (1,3),(1,6), (1,6), (4,6), (4,10)
asked by Ella C. 
English
Why do nag and nagina want to do away with the english family?
asked by Ibra 
math
zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. if zoey decides to us the 3/4 cup servings how much more trail mix will she need.explain
asked by Abelezer 
math
the area of a rectangular picture frame is 30 1/3 square inches. the length of the frame is 6 1/2 inches. find the width
asked by Anonymous 
Algebra 2
Daniel is playing his favorite video game and noticed that the points he earned every minutes follow a linear pattern. Here is a table showing his total points for the first several minutes of play. Minutes:x. Points: f(x) 0. 1550 1. 1900 2. 2250 3. 2600
asked by Kent 
Physics
A car travels along a straight stretch of road if receipts for 13.6 miles at 55 mph than 25.8 miles at 48 mph and finally 43.1 miles at 33 mph what is the cart average velocity during the entire trip answer in units of miles per hour
asked by Anonymous 
math
zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings . what size would the servings need to be for 10 people to have a serving equally
asked by Anonymous 
physics
A boy has mass 80kg when resting on the ground at equator. what will be the centripetal acceleration on boy if radius of earth is 6.4×10 power 6 meter
asked by Preety 
Math
Noreen is beginning an exercise program. The first weak she exercises 25 minutes each day. The second week she exercises 30 minutes a day and the third week she increases it to 35 minutes a day. If the pattern continues how long will she exercise each day
asked by Lailani