Calculus (Answer Check)
88,467 results, page 61

Enlgish
1. What was your parents' dream? 11. They all wanted to be a singer. 12. They all wanted to be singers. (Which answer is correct? Do I have to use a singular noun or a plural noun?) 2. What did you give to your parents on Parents' Day? 21. I gave them a flower. 22. I gave ... 
PHYSICS answer check
A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance mass=0.025kg speed=80m/s avg force 2N 
Spanish
Which statement is accurate? A. Fútbol is more important that béisbol in all Spanishspeaking countries. B. Béisbol is more important than fútbol in México. C. Béisbol is more important than fútbol in Cuba, Puerto Rico, and la República Dominicana.*** D. Béisbol is ... 
Biology (Answer Check)
State how comparing the amino acid sequence of a protein can provide evident that evolution has taken place. A: If evolution has taken place, then, in general, species descended from a recent common ancestor should have fewer amino acid differences between their proteins than ... 
Basic Finance Risk vs Return
Please check and correct my answers. Investors want ____ returns and ___ risk. Answer: high return, low risk Which statement about the efficient set, minimumvariance set and feasible is incorrect? a) the minimum variance is the set of all portfolios with the lowest variance ... 
Chem. Could someone check my answer.
(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into NaTcO4? Tc + 7HNO3 = ... 
Calculus
You are in a boat "a" miles from the nearest point on the coast. You are to go to a point Q, which is "b" miles down the coast and 1 mile inland. You can row at 2 miles per hour and walk at 4 miles per hour. If a=3, and b=4, toward what point on the coast should you row in ... 
mathmatics probability
I am having with the following questions and was wondering if someone might be able to show me a step by step solution to arrive at the answer. They are from Probablity and Statistics for Enginnering and the Sciences by Jay Devore 6th Edition 62) An airport limousine can ... 
English
1. Mom had to check the timer every 10 minutes. 2. Mom had to check the timer every 10th minute. (Can we use both expressions?) 3. How about going at 6:00 at the art center. 4. How about coming at 6:00 at the art center. 5. How about arriving at 6:00 at the art center. 6. How ... 
check my answers? language arts
1. The fire's angder could no be contained. A). personification *** B.) simile C.) metaphor 2. The flames ran along the deliberate rows of vines, like long curved fingers reaching for the horizon, lighting the night sky. A). personification B). simile C). metaphor *** 3. ''We ... 
chemistry
I tried using the answer you provided but the online system I am using is not taking this as a correct answer. This is the answer you provided: AgCl(s) + H2O(l) ==> Ag^+(aq) + Cl^(aq). PLEASE HELP!! Thanks My original question: Write the equation for the dissolution of ... 
calculus
Use the demand function X=325(1(6p/7p+4)) to find the rate of change in the demand x for the given price p=$5.00. Round your answer to two decimal places. A. 5.13 UNITS PER DOLLAR B. 0.85 UNITS PER DOLLAR C. 0.85 UNITS PER DOLLAR D. 1.35 UNITS PER DOLLAR E. 5.13 UNITS PER ... 
calculus
"superman is in level flight 6 miles above ground. his flight plan takes him directly over whs high school. how fast is he flying when the distance between him and the whs high school is exactly 10 miles and the rate is increasing 40mph?" i keep getting: r = 10 r'=40 y=6 x=8 x... 
Check  History.
Is this a good answer? Ethnic groups are similar because many are of the same ethnicity. According to a teacher/tutor, "Canada prides itself on being like a stew with each ethnic group contributing separate and identifiable cultures. The U.S. likes to consider itself a melting... 
English
Can you please check if these sentences are possible, please? Thank you. 1)You can book your train journey online or through a travel agency. First you make sure your passport is not out of the date. 3) Check the train time (time table?) and the fare. 4)Then buy your ticket ... 
calculus
Find the absolute extrema of the function (if any exist) on each interval. (If an answer does not exist, enter DNE.) f(x) = square root of (25 − x^2) (a) [−5, 5] minimum (x, y) = (smaller xvalue) (x, y) = (larger xvalue) maximum (x, y) = (b) [−5, 0) minimum... 
Language and Other Barriers
9. To be a teacher aide in an ESL classroom, you should A. have an ear for language. B. receive certification in ESL instruction, if possible. C. speak at least one other language besides English. D. have prior teacher aide experience in a â€œregularâ€ classroom. my ... 
Calculus
Following 2 questions are from a book at a point where L’Hopital’s Rule, Squeeze Theorem etc. have not been discussed and limits (A) and (B) as given below are to be evaluated by simple methods like algebraic simplification etc. 1. Int. of (xlogx)dx from 0 to 1. Indefinite... 
Calculus
Following 2 questions are from a book at a point where L’Hopital’s Rule, Squeeze Theorem etc. have not been discussed and limits (A) and (B) as given below are to be evaluated by simple methods like algebraic simplification etc. 1. Int. of (xlogx)dx from 0 to 1. Indefinite... 
English
1. She like to be idle and watch TV all day long. 2. She like to be lazy and watch TV all day long. 3. I need to examine your teeth, so open your mouth wide, please. 4. I need to check your teeth, so open your mouth widely, please. ================= Which expressions are ... 
Math Ms. Sue??
You are designing a rectangular playground. ON YOUR SCALE DRAWING, THE VERTICES OF THE RECTANGLE ARE (6,3), (6,5), AND (8,3). wHAT ARE THE COORDINATES OF THE FOURTH VERTEX? 1: (4,5) 2: (8,5) 3: (8,1) 4: (5,8) < My answer Determine which ordered pair is NOT a solution of y... 
Physics/Math
A single force acts on a 5.0 kg particlelike object in such a way that the position of the object as a function of time is given by x = 3.0t  4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to t = 2.0 s. For ... 
Chemistry: check answers
Please check. Thank you. 2. What is the reduction halfreaction for the following unbalanced redox equation? Cr2O72– + NH4+ Cr2O3 + N2 A.) Cr2O3 > Cr2O72– B.) Cr2O72– > Cr2O3 C.) NH4+ > N2 D.) N2 > NH4+ 3. Which oxidationreduction reactions are best ... 
Chemistry  Bob Pursley
Posted by Sarah H on Friday, May 23, 2008 at 8:10pm. Hi, please check my work: In an experiment, 23.4 g of FES are added to excess oxygen and 16.5 g of FE2O3 are produced. The balanced equation is: 4FeS = 7O2 > 2Fe2O3 + 2SO2 Calculate the % yield. My Answer: nFeS=23.4g/87... 
Math
Find the solution of the equation. 1. 2x=12 answer: x=6 2. 4x=20 answer: x=5 Did I answer these correctly? 
math
Let f(x)= 4 and g(x)= ãx2 : X2  4 f o g(11)=ANSWER: Square root X2/ 112 =ã9=3 4/32 4 = 4/5 f o f(0)=ANSWER Determine the Domain of f o g=ANSWER: 
math
WHAT IS 6 2/3+[3 1/3+7 1/3] = I THOUGHT IT = 16 4/3 IF I AM CORRECT THE ANSWER IS NOT THERE DO SIMPLIFY THE ANSWER WOULD THE ANSWER BE 
English
Need to correct the verb if not correct and if correct just leave. Thanks for looking at this for me... 1. King Arthur LEARNED about the magic sword from Merlin the magician. ANSWER=correct 2. My older sister LEARNED me to read when I was in kindergarten. ANSWER=taught 3. ... 
Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ... 
Check 3 world history answers of mine?
7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Conservation and preservation of the environment in America.* 10. One reason powerful nations rushed to grab colonies in the 1800s was the desire for raw materials and ... 
calculus!!! please help!!!
f(x)=2x^3x^2+1 [1,4]=interval Set up the limit process (once with right endpts, and the other with left entdpts.) to find the area under the curve and above the xaxis on the given interval Should the right and left endpt limit set ups have the same area? If so what is it? ... 
Algebra
Can someone tell me how they got the answer? Find a polynomial equation with real coefficients that has the given roots. 4i, sqrt5 my answer: x^422x^2+80=0 correct answer: x^4+11x^280=0 
math
Compare fractionswrite in order least to greatest. My daughter wrote them incorrectly at first, then we found what the answer should be, but can you explain to her why the answers are what they are. Thank you. 1. 2/5, 1/10, 3/20 answer1/10, 3/20, 2/5 2. 1/3, 3/8, 2/9 ... 
math
Compare fractionswrite in order least to greatest. My daughter wrote them incorrectly at first, then we found what the answer should be, but can you explain to her why the answers are what they are. Thank you. 1. 2/5, 1/10, 3/20 answer1/10, 3/20, 2/5 2. 1/3, 3/8, 2/9 ... 
algebra2
I am taking an online class, and cant understand why when I calculate ona ti84 plus an answer I get decimal answer and my teachers answer is sq root, is there something I am not doing on my calculator? How do I convert. 
science
1. What is the halflife of Strontium90? Explain your answer. Honestly I don't know how to get this answer. I've looked it up and stuff, but I just found the answer not how to know what it is. A link or explanation would be greatly appreciated. Thanks. 
Math
I need to find expressions that will show how 5 x 37 can be rewritten using distributive property. 5 x 30 + 7  My answer 5 x 30 + 5 x 7 5 x 40  5 x 7 5 x 40  5 x 3 *It can be more than one answer* 3u + 7v + 4u = 2v (I have to simplify) My answer is 7u + 9v because 4+3 ... 
Calculus
Someone already asked this question but did not understand the answer given at all. Writing to Learn: In a certain video game a cursor bounces back and forth horizontally across the screen at a constant rate. Its distance d from the center of the screen varies with time t and ... 
math
Could someone please check my math questions? any help will be greatly appreciated! 4. Solve: 52x + 1  = 55 Divide both side by 5: 2x+1=11 2x+1=11 and 2x+1= 1 +1 +1 +1 +1 2x = 12 2x = 10 X=5 x=6 What my teacher said was wrong~~ 2x+1=11 and 2x+1= 11 YES, for both of ... 
Calculus
We are doing limits in Calculus, but now we are doing trig limits too and i do not get how to do any of them. For example ones like this, how do you do them? sec (x1) / (x sec x) x approaches 0 ((3 sin (x)) 1  cos(x)) / (x^2) x approaches 0 (sin (2x)) / (sin (3x)) x ... 
Geometry Check please
Is the following definition of complementary angles reversible? If yes, write it as a true biconditional Complementary angles are two angles whose sum measures to 90 degrees  The statement is not reversible  Yes, if angles are complementary, then their sum measures to 90 ... 
English
Need to decide which form is needed:present participle, past, past participle of each verb in parentheses. 1. Nora (see) the toy exhibit at the museum. ANSWER=Seen 2. People (speak) French in parts of Canada. ANSWER=spoke 3. That character has (say) "Good Grief" several times... 
English Answer Check (Writeacher)
These questions regard the poem "Jabberwocky." 1. One critic said that "Jabberwocky," despite its odd language, tells a story like many legends of knights and dragons. Do you agree? Why or why not? A: I agree with this critic’s opinion because, like other tales of knights... 
Law and Ethic in Med
Please check my answer thanks :) I am really not sure on this one What can a stillborn child's estate do with regqurds to lawsuits ? 1. Sue for wrongful death in most states? 2. Sue for wrongful death in only in a few states. 3. Can't sue for wrongful death in any states 4. ... 
Calculus
If f(x) and g(x) are continuous on [a, b], which one of the following statements is true? ~the integral from a to b of the difference of f of x and g of x, dx equals the integral from a to b of f of x, dx minus the integral from a to b of g of x dx ~the integral from a to a of... 
Calculus
Can anybody help me with this? Consider the surface xyz = 20. A. Find the unit normal vector to the surface at the point (1, 4, 5) with positive first coordinate. (___,___,___) B. Find the equation of the tangent plane to the surface at the given point. Express your answer in ... 
Calculus
You have been asked to determine where a water works should be built along a river between Chesterville and Denton to minimize the total cost of the pipe to the towns. (a) Assume that the same size (and cost) pipe is used to each town. (This part can be done quickly without ... 
calculus
An open box of maximum volume is to be made from a square piece of cardboard, 24 inches on each side, by cutting equal squares from the corners and turning up the sides to make the box. (a) Express the volume V of the box as a function of x, where x is edge length of the ... 
Calculus
A tree grows 2.80 m during the first year since it was planted. During each subsequent year the tree's growth is 85% of its growth the previous year. a) Calculate to the nearest 0.001m, the growth of the tree in the fourth year. Tn = ar^n1 T4 = 2.80(0.85)^101 T4 = 2450 I don... 
SCI7R  HW Qs. Check!
20. Why do all mammals have "cracks" in their skull? My Answer  The reason why do all mammals have "cracks" in their skull so it would be easier for the new born baby to get through the mother's private. If their skull didn't have cracks then it would be hard to push the baby... 
Sixth Grade Math
1. Write a phrase in words for each algebraic expression. A. "t  29" Answer:29 minus t B. "a take away 16" Answer:16a Write an algebraic expression with two variables and one constant. Answer: 150 + xy Did I answer the questions correctly? 
Calculus (Related Rates)
The position of a particle moving in a straight line is given by s(t) = (e^(t))(cos(5t)) for t>0, where t is in seconds. If the particle changes direction at time T seconds, then T must satisfy the equation: cos(5T) = 0 5T = arctan(1/5) 5e^(t) sin(5t) = 0 tan(5T) = 1/5 ... 
Calculus
A holding pen for fish is to be made in the form of a rectangular solid with a square base and open top. The base will be slate that costs $4 per square foot and the sides will be glass that costs $5 per square foot. If the volume of the tank must be 50 cubic feet, what ... 
Physics
A gymnast is performing a floor routine. In a tumbling run she spins through the air, increasing her angular velocity from 3.00 to 5.75 rev/s while rotating through onehalf of a revolution. How much time does this maneuver take? Divide 0.5 revolutions by the average angular ... 
math,correction
is this correct? simplify: ((1+(2)/(3))/((2+(1)/(2)) My answer: (2)/(3) assuming that 2/3 and 1/2 are separate fractions, 8/3 x 5/2 40/6 20/3 hmm.. perhaps you need to check your arithmetic. unless i'm wrong, which wouldn't be surprising It is hard to read because the ()'s are... 
Language Check 2 Ms.Sue
Correct capitalization, punctuation, and spelling. 1. We keep a variety of emergency equipment in the trunk of our car, a firstaid kit, jumper cables, a blanket, a flashlight, and road flares. A. car a firstaid B. car: a firstaid C. car; a firstaid D. car: a 1staid E. ... 
Psychology
Individuals who use problemfocused coping will deal with a problem or stressor by: A. making changes in their behavior. B. accepting support through sympathy. C. changing their point of view concerning the stressor. D. attempting to manage their emotions. was going to choose ... 
SOCIAL STUDIES (CHECK answer) please
Which of the following statements can be inferred about the effect of the lousiania purcchase would have on the United States? A) because of the high cost is the purchase the US would struggle even more with public debt B) because of the treaty the French could no longer pose ... 
Math quick check thx
Out of 42 kids in a class twice as many failed Ela as math,4 failed both. If 7 failed neither, find how many failed each subject. I made a venn diagram the middle part of the venn diagram would be 7 and the math part would be 13 and the ela part would be 26. How do i check this? 
Rational Expression
(x+1/2x1  x1/2x+1) * (2x1/x  2x1/x^2) (x+1/2x1  x1/2x+1)*(2x1/x  2x1/x^2) The first parenthesis reduces to zero. Check that. I have the answers in the back of my book (just not how to get there) the book shows the answer as 6(x1)/x(2x+1). When I solve, I get 6(2x... 
math
I asked sue a question yesterday and don't understand the answer can you explain? Here what it was I think this question has a typo because none of the multiple choice answers fit. The question is which of the following values is in the solution set of inequality 87x<6? A... 
math
Ali is making pottery. He uses 3/8 of a 2pound bag of clay to make a set of bowls. Each set has 4 bowls. Drag one expression next to each question. The correct expression for each row is a way to answer that question. CLEAR CHECK 38 ÷ 2 2 • 3/8 ÷ 4 2 ÷ 3/8 2 • 3/8 2 + ... 
Math/Calculus
Please take a look at my work below and provide a good critique: Solve the differential equation using the method of undetermined coefficients or variation of parameters. y''  3y' + 2y = sin(x) yc(x)= c1*e^2x+c2*e^x y"3y'+2y=sin(x) r^23r+2=0 (r1)(r2)=0 r1=1, r2=2 yp(x)=... 
PreCalculus 12
I am refering to the question posted on Tuesday, June 6, 2017 at 8:26pm. "how to graph y= (x^23x10)/(x2)" This is the reply I got: PreCalculus 12  Damon, Tuesday, June 6, 2017 at 9:21pm (x5)(x+2)/(x2) well we know it is 0 at x = 5 and at x = 2 and we know it explodes ... 
Health of young children
Why is the incubation stage of an illness of concern to day care workers? A.Children in this stage require a great deal of care and special attention. B.Children in this stage often need special medical help. C.Children in this stage can often pass on the disease even though ... 
geometry
1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is... 
calculus
A ball is dropped from the top of a building. The height, , of the ball above the ground (in feet) is given as a function of time, , (in seconds) by y = 1640  16t^2 y'= 32t When does the ball hit the ground, and how fast is it going at that time? Give your answer in feet per... 
Calculus
A bacteria culture contains 200 cells initially and grows at a rate proportional to its size. After half an hour the population has increased to 360 cells. (a) Find the number of bacteria after t hours. (b) Find the number of bacteria after 4 hours. I found part a, P(t)= 200e... 
calculus help
Produce graphs of f that reveal all the important aspects of the curve. Then use calculus to find the intervals of increase and decrease and the intervals of concavity. f(x)= 1+(1/x)+(5/x^2)+(1/x^3) find the interval of increase. find the interval of decrease. find the ... 
English
Write the noun that is the simple subject. 1/ The red color of my sweater looks good with the bracelet. Answer: color. 2/ Some members of my family also enjoy stringing beads. Answer: family. 3/ This beaded necklace is one of my favorite pieces of jewelry. Answer: necklace. 4... 
Algebra Answer Check
What is the algebraic expression for the following word phrase: the quotient of 6 and the sum of 5 and y? 6 a.  5y 6 b.  (?) 5+y c. 6(5+y) d. 6/5 + 6y What is the algebraic expression for the following word phrase: the quotient of j and 8? a. j8 b. j+8 c. j... 
PreCalculus
Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle of α = 42° ... 
Math
Evaluate the expression. (1)1/3 divided by 1/6= 2 Answer (2)6 divided by 2/5= 15 Answer (3) 4/9 divided by 2/3 dividied by 5/6= Answer 4/5 (4) 7/8 mulitplied by 4/5 divided 7/20=Answer 2 Please help Ms. Sue 
math can you please check my work
Can you please check my work. I asked this question yesterday but no one helped me. Thank you , I really appreciate it A hot air balloon was at a height of 60 feet above the ground when it began to ascend. The balloon climbed at a rate of 15 feet per minute. a) make a table ... 
Spanish
My answers were incorrect. These were the instructions. Choose the correct form of the following verbs in the pretérito perfecto: Ayer _______ toda la tarde (all afternoon). My answer neivo. Anoche María y yo _______ una mila (mile) My answer corrieron. Mi jefe no me _______... 
behavior problem (dogs)
please check my answer thanks Your friend owns a young Beagle. Her complaint is that the dog is a slave to his nose and he rarely pays attention to anything other than following a scent. She would like your help in obedience training and behavior management. What would you ... 
physics
A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of 1.00 g/cm3 at the ... 
chemistry
A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of 1.00 g/cm3 at the ... 
English(PLEASE CHECK)
Could someone please check my diagram of the stage in A Raisin in the Sun? UP STAGE a door(either a door(either Beneatha's + Beneatha's + Mama's or Mama's or Walter's + Walter's + Ruth's bedroom) Ruth's bedroom) STAGE RIGHT Travis' bed STAGE LEFT DOWN STAGE audience But where ... 
physics (please help)
Two identical but separate strings, with the same tension, carry sinusoidal waves with the same frequency. Wave A has an amplitude that is twice that of wave B and transmits energy at a rate that is _____ that of wave B. a)half b)twice c) onefourth d)four times e) eight times... 
STAT
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that this condition is met in this case? here are options (a) No, since the three sample standard deviations are not all equal. (b) No, since the ... 
STAT
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that this condition is met in this case? here are options (a) No, since the three sample standard deviations are not all equal. (b) No, since the ... 
STAT
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that this condition is met in this case? here are options (a) No, since the three sample standard deviations are not all equal. (b) No, since the ... 
Chemistry DrBob222
Please check. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 9 psi (vs. 14.7 psi at sea level). Under those conditions and ... 
English
* According to the spacing rules, write the following sentence again in the blank. 1. Iamapoliceofficer. > __________________ (Is the expression correct?) * I have sent the MTCN number to you with my cell phone. However, you can not verify the name of the sender. You also ... 
Calculus
Hello, I would like to make sure the answers to these questions are correct. 1. Using the shell method, what is the volume of a solid that is generated by rotating the region by y = x^2 and x = y^2 about the x axis. My Work: r = y h = sqrt(y)  y^2 2pi ∫[0,1] (y)((sqrt(y)  ... 
MathI need help!
I have these two questions on my assignment. Please help me. 80 mi. = _______ km. 9 cm. = _______ m. 9cm (1m/100cm)=??? 80miles (1 km/1600m) one mile = 1.6093 km so 80 times 1.6093 = what? one cm = 1/100 m or .01 m so 9 cm = 9 times .01 = what? 9 cm = 0.09 m. 80mi.= 128.72km. ... 
Math
I'm learning series and sequences (grade 11). Please check that my steps show I understand what I'm doing/the concept and my answer as well: 5. The consecutive terms of an arithmetic sequences are 3.6, y, 8.2. Find the value of y. This seems to be a sequence question but I ... 
Health. Check my answers please
Can someone please check my answers. 1. Violence resulting in the death of another person is called A. Bullying B. Homicide C. Conflict D. Rape 2. Using the excitement of violence to keep video games users playing their games is an example of which risk factor? A. Poverty B. ... 
business law
Please give me some insight on a law hypo...? This is the hypo: Joe received an advertising brochure from X Corp. in the mail. The brochure contained a photo of a Peach 442 computer, and above it the statement, "While supplies last. All Peach computers on sale at 25% below ... 
math
2r+4=10 Well r=3 so that means 2xr=6 and 6+4=10. Hint: whenever a number and letter are close together you have to multply thme like 2r. The value for r is indeed 3! Another way to think about this problem is to start by subtracting 4 from both sides of the equation. Whatever ... 
science
Shubham lives in avillage,where drinking water facilites are very limited.they collect drinking water from a pond people also bathe and wash their clothes in that pond.he observed the most of the people are suffering from diarrhoea he advised people to use chlorine tablets in ... 
MATH!
If the edge of a cube is increased by 50%, then the volume is increased by x%. Find x. PLEASE HELP. THANK YOU. Let Y = edge of a cube. Y + 0.5Y = 1.5Y = new edge of the cube. Then old volume is Y^3 New volume is (1.5Y)^3 = 2.375Y^3. %increase = ([3.375Y^3  Y^3]/Y^3) x 100 = x... 
calculus
Question 1 The figure below shows the rate of change of the quantity of water in a water tower, in liters per day, during the month of April. If the tower had liters of water in it on April 1, estimate the quantity of water in the tower on April . Round your answer to the ... 
English
Write the vocabulary word from the word box that matches each idea. Communicate  flick  alert signal  chatter  grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/ .............to warn ... 
Marine Science (Check my answers?)
3. What feeding strategy and adaptation would an organism that lived in the abyssopelagic zone most likely use in order to survive, and why? A. Scavenge dead matter on the ocean floor because it is difficult to find prey in the darkness. B. Use bioluminescence to scare away ... 
chemistry
How many grams of NaCl should be added to 250 grams of water to make a 0.40 m solution? I got 19 grams. this is how I got it. first I found the mass of water = 18g then I converted that to mols 18/250 = .0072. I subtracted 0.072  0.40 = 0.328 I found the mass of NaCl = 58 0.... 
Assistance Dogs
Please check my answer thanks:) Heidi and her sightimpaired owner Becky are walking from school back to Becky's apartment. There's a watermain break in the next block and Heidi turns to take an alternate route to the apartment. Becky tries to continue straight ahead, but ... 
physics
Which of the following statements is incorrect? a. Baryons consist of three quarks. b. Leptons do not possess any quarks. c. Only mesons possess antiquarks. d. Only certain types of matter possess quarks. when i check these with my reference table, it seems like every answer ... 
Math
A spinner is divided into 12 equal sections where 5 of the sections are red, 3 are blue, 2 are orange, and 2 are green. What are the frequencies of each color if you spend the spinner 60 times? I know I asked this question before but I wanted to check if my answer was correct...