Questions Asked on
February 11, 2015

Algebra 1
What is the value of n so that the expression x^2+11x+n is a perfect square trinomial?
asked by Steve 
social studies
What are some advantages and disadvantages of a reorganized family
asked by jack 
chem
How many chloride ions are present in 65.5 mL of 0.210 M AlCl3 solution
asked by Anonymous 
Geometry
A secant and a tangent to a circle intersect in a 42 degree angle. The two arcs of the circle intercepted by the secant and tangent have measures in a 7:3 ratio. Find the measure of the third arc. If someone could help me figure out how to do the
asked by Ann 
english
write a letter to your friend in another school telling him/her at least three ways you find life in the final year class is different from being in the class
asked by Max okofo darteh 
math
Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim x→∞ (sqrt(49x^2+x)−7x)
asked by TayB 
Physics
You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of F = (202i − 161k) N to try and move the 75.0kg refrigerator. The coefficient of static friction is 0.640. a) how much static friction force does the
asked by Pissed off at this question rn 
english
To explore the ___________ , or effect of mythical literature on contemporary literature, a reader should identify key characters, settings, and plots. I am not sure what the "_____" is, I do ot have any options, help please?
asked by katt 
Consumer Math
Marta borrowed $1,380 for 15 months at 13 percent APR. How much will she pay in interest?
asked by Coco 
Introductory Algebra
the length of a rectangle is 7 meters more than twice the width. the perimeter is 68 meters. solve for length and width. I need this step by step using the blueprint...please.
asked by Paul 
math 3
maude hung 3 pictures on her wall. each picture measures 8 inches by 10 inches. what is the total area of the wall covered by the pictures?
asked by bb love 
Chemistry
Why should a mixture to be separated by column chromatography be introduced onto the column in a minimum amount of solvent?
asked by Ryan 
HISTORY
All of the following statements about the Declaration of Independence are TRUE except:
asked by JASON 
math
Farmer fred has 200 sheep on his farm he sells 40 of them what percentage of his sheep does he have left?
asked by Manaria 
math
A sheet of paper measure 40cm¡Á20cm.A strip 4cm wide is cut from it all around find the area of strip cut out and area of remeining sheet of paper
asked by shehzad 
English 9
Why does Neiterkob’s daughter most likely tell the myth “The Beginnings of the Maasai”?
asked by Antony 
math 3
an orange weight 198 grams. a kiwi weight 85 grams less than the orange. what is the total weight of the fruit? my answer is 283 grams is it correct?
asked by bb love 
Chemistry
Calculate the amount of heat (in calories) absorbed when 50.0g of water at 20C spreads over your skin and warms to body temperature, 37C. I don't understand how to figure this out  which number is the specific heat number? 20C or 37C? I know delta temp
asked by HighHopes 
Chemistry 2
If a gaseous sample contains 74% N2 by volume, what is the solubility of N2 in water at 25°C and 1.0 atm (kH in H2O at 25°C = 7.0 104 mol/Latm)?
asked by Priya 
Science
1) Which of the following describes the correct sequence of the movement of food during digestion? :Stomach, large intestine, small intestine :Mouth, esophagus, small intestine :Esophagus, stomach, small intestine*** :Small intestine, stomach, large
asked by Food and Energy 
GEO
On a map with a scale of 1:50,000, a measured distance of 7.5 cm. represents an actual distance of: ______ km. is the correct answer 375 km or 7.5cm = 0.00007500km given the map scale of 1:50,000
asked by Dena 
ENGLISH GRAMMA
1) The sun had nearly set when we reached home. Adverb qualify adverb 2) Modern trains can travel incredibly fast.  adverbs qualify adjective 3) The judges were utterly amazed at the performance. Adverb qualify adjective 4) The bitterly cold winds have
asked by NIYA ### 
math
If a fowl is treated, probability of dying is 1/10 while if not treated the probability is 7/10 calculate the probability that, a fowl picked at random from the 36 fowl is (i) Treated with the drug and will die (ii) Not treated with the drug and will die
asked by John 
algebra
Annie and Ravi have two candles. One of them is one inch longer than the other. Annie lights the longer candle at 7:00 and RAvi lights the shorter candle at 8:30. At 11:00 the two candles are the same length. The shorter candle burns out at 12:30 and the
asked by Anita 
math
the volume of an equilateral triangular frustum is 183√3 m^3. the upper base, 9 in., above the lower base has an edge which measures 8 in. compute for the edge of the lower base.
asked by herbert verdeflor 
Art
1) How did francisco goya caricature to depict the figures in contemptuous of the insults? :The facial features of the frenchmen are exaggerated to show their confusion :The frenchman's hats are comically large to show their self importance :The frenchmen
asked by External Memory 
Language Arts
1. In "The Road Not Taken", the description of the wood as yellow A. tells us the wood is very young, not yet full grown. B. makes the setting seem churchlike. C. tells us the scene is taking place in noon. D. helps us see the scene as autumnal. Is the
asked by Calie 
physics
find the resistance of 134m of No.20 copper wire at 20 degrees C (p=1.72x10^6Ohom cm , A= 2.07x10^2 cm ^2)
asked by physics 
Chemistry
I need to make an Orbital diagram for Li2O. Could you help me find a helpful website or something?
asked by Morgan 
marketing
the first step in taking control of your finances is
asked by Anonymous 
algebra
The fraction of men in a population who are married is 2/3. The fraction of women in the population who are married is 3/5. What fraction of the population is single?
asked by keith 
Physics
Two point charges of +1.0 uC and 2.0 uC are located 0.50 m apart. What is the minimum amount of work needed to move the charges apart to double the distance between them? (k=8.99x10^9Nm^2/C^2)
asked by Rene 
Physics
A baseball player slides into third base with an initial speed of 3.8m/s. If the coefficient of kinetic friction between the player and the ground is 0.40, how far does the player slide before coming to rest?
asked by Marissa 
math 3
Kami scored a total of 21 points during her basketball game. she made 6 twopoint shots and the rest were threepoints shots. how many threepoint shots did Kami make?
asked by bb love 
history
Why was emperor hoghwu represented in paintings (depicted)
asked by Felicia 
Geometry
Can you help me.the lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400cm. What is the length of the longest side in centimeters.
asked by Dean 
Math
A countertop is 16 feet long and 3 feet wide
asked by bob 
statistics
One of the tallest living men has a height of 263 cm. One of the tallest living women is 245 cm tall. Heights of men have a means of 177 cm and a standard deviation of 8 cm. Heights of women have a mean of 163 cm and a standard deviation of 4cm. Relative
asked by slomo 
science
what is true about red blood cells
asked by sara 
physics
A man named Harold is standing in a train car that has no windows. Since there aren't any windows, he doesn't know how fast or in what direction the train is moving or whether it is accelerating or decelerating. Harold decides that he might be able to
asked by Michelle 
History
which of the following best describes daily life in the south during the civil war? a.about the same as before the war because factories provided necessities b.difficult but tolerable because most people did not experience major changes c.better because
asked by Help me 
Math
Translate the sentence into an inequality. Six increased by the product of a number and 10 is at most −16 . Use the variable x for the unknown number.
asked by Seth 
Science
Why are the days typically hotter in June than in December here in the US? A.Beacuse the sun gives off more light and heat in the summer B.Because the Earth is closer to the sun in the summer and farther from the sun in the winter C.because the Earth's
asked by M 
math
Find a formula for a function that has vertical asymptotes x = 3 and x = 6 and horizontal asymptote y = 3.
asked by Sarah 
math
Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7
asked by Andrew 
Find the domain of the function
Find the domain of the function. f(x)=8+3/x^3
asked by Anonymous 
Math
Explain It In one night, George reads 3 chapters of a book with 27 chapters. After the second night, he has read a total of 8/27 of the book. Explain how you would determine the number of chapters George read the second night. Solve the problem.
asked by Amri 
math
what is the graph of the function y = 2 x 2^x graphs below i think it is graph c
asked by j.r. 
Algebra 1
The area of a rectangle is 30 ft^2. The length is 1 less then 3 times the width. How wide is is the rectangle?
asked by Steve 
Geo
On the map of the Mauna Loa volcano in Hawaii (distributed in class), determine the distance in miles and in kilometers from the “Patrol Cabin” (at the summit of Mauna Loa) to the “Rest House” (northeast of the summit or Mauna Loa). The scale of
asked by Dena 
Microeconomics
The demand for a good is given by QD = 750 – 0.4P. What is consumer surplus at a price of $80?
asked by John 
Chemistry
N2+3H2> 2NH3 how many moles of hydrogen are needed to completely react with 2.6 moles of nitrogen?
asked by Kaitlyn 
math
The length and breadth of a rectangular paper were measured to be the nearest centimeter and found to be 18 cm and 12 cm respectively. Find the percentage error in its perimeter.
asked by kudu 
math
The acceleration am/s^2 of a particle moving in a straight line is given by a = 18t – 4, where t is time in seconds. The initial velocity of the particle is 2 m/s a) Find the expression for velocity in terms of t b) Determine the time when the velocity
asked by kudu 
Science
Describe the flow of blood in the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through various locations in the body.
asked by B 
GRAMMAR
Modern trains can travel incredibly fast.  adverbs qualify adverb 3) The judges were utterly amazed at the performance. Adverb qualify adverb Are the above are correct. Please give the correct answers.
asked by NIYA ### 
Algebra 1
A box shaped like a rectangle prism has a height of 17 inches and a volume of 2,720 in^2. The length is 4 inches greater than twice the width. What is the width of the box?
asked by Steve 
physics
A sensitive gravimeter at a mountain observatory finds that the freefall acceleration is 0.0070m/s2 less than that at sea level (gsealevel = 9.83 m/s2). What is the observatory's altitude? Assume Rearth = 6.37 × 106 m.
asked by Jen 
maths
the price of a car is reduced from 1500 to 1050 by what percentage is the price reduced?
asked by Manaria 
Physics
If the drive chain exerts a force of 2090 N at a radius of 5.00 cm, what is the angular acceleration of the wheel? (b) What is the tangential acceleration of a point on the outer edge of the tire? (c) How long, starting from rest, does it take to reach an
asked by Anonymous 
English Essay
From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a particular society? This is an essay topic that I chose, and I am not sure if my three subtopics cover it all (anger/disappointment,
asked by leo 
Science
What do angiosperms produce in order to protect their seeds?
asked by Anonymous 
math
Milky uses 192 beads to make a bracelet and a necklace.It takes 5 times as many beads to make a necklace than it does to make a bracelet.How many beads are used to make the necklace 192 divided by 5 is 38 and I got remainder of 2 but I don't know what I
asked by Alexa 
Algebra
Niko had his savings increased by 5% this year. He started with $350 in his account and calculated how much he had at the end of the year by using the following sets of calculations: $350×0.05=$17.50 $350+$17.50=$367.50 Find a single number that Niko
asked by Stephanie 
science
Two sleds collide and stick together sled a has mass of 140kg and a speed of 17m/s sled b has a mass of 80kg and a speed of 24m/s. There is no friction between the sleds and snow. Will the sleds be motionless after the collision or which one will move the
asked by nicole 
Chemistry
What is the (simplified) meaning of Zn(s) + 2MnO2(s) ZnO(s) + Mn2O3(s) [e° = 1.43 V]? Please answer soon, because I will not be in class too much longer and I have no internet access at home. Thank you in advance!
asked by Ani 
Chemistry
A solution of 4methyl3penten2one in ethanol shows an absorbance of 0.52 at 236 nm in a cell with a 1cm light path. Its molar absorptivity in ethanol at that wavelength is 12,600 M^1 cm^1. What is the concentration of the compound?
asked by Ryan 
6th grade math
When solving an inequality, why is it necessary to perform the same operation on each side of the inequality sign?
asked by genesis 
science
can someone explain the life cycle of the animalia kingdom???
asked by help 
geometry
i need help on a question that involves finding the "value of the variable" ive started the question but im stuck of how to continue .its a right triangle which hypotenus length is cut by a altitude line "w+9" .the lengths cut are 8 and 18 .
asked by julia 
Math (Interest)
If I was given an amount of money for 1 month, and I wanted to compound its interest monthly, which formula would I need to use? My interest rate is 2.5%. I want to compound monthly (so n=12). But I want to find the amount after compounding interest
asked by Kaye 
health
The capillaries are the smallest and most ________ of the blood vessels
asked by Diana 
math
Find the limit. lim x→∞ 2−e^x/2+9e^x
asked by TayB 
Organic Chemistry
Why does the carotene elute from the column before the chlorophylls?
asked by Ryan 
math
Find the limit. lim x→∞ sqrt(x^2+9)
asked by Taylor 
Organic Chem
Why does the carotene elute from the column before the chlorophylls?
asked by Ryan 
Math
A certain club consists of 5 men and 6 women. a) How many ways are there to form a committee of 3 people and b) How many ways are there to form a committee consisting of 3 men and 4 women.
asked by Becky 
math
Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7 x= y=
asked by Sarah 
chemistry
what mass of Silver oxide would be required to produce 100.0 g. of silver.
asked by Shannon 
Science!!!
Which force is pushing the riders in the swings on a swing chair ride out from the center of the ride? A. Free fall B. Gravity C. Momentum D. Centripetal force Is the answer D? Thank you
asked by Callie 
Physics Help Please
Suppose you work at an amusement park. Your boss has asked you to determine the "people current," a measurement of moving people coming through the entrance of the park. a) what would be the units of "people current?" b) what information would "people
asked by Help! 
Physics Help Please!
Suppose you work at an amusement park. Your boss has asked you to determine the "people current," a measurement of moving people coming through the entrance of the park. a) what would be the units of "people current?" b) what information would "people
asked by Help! 
math
Find the horizontal and vertical asymptotes of the curve. y = 7e^x/e^x−8 x=? y=?(smaller yvalue) y=?(larger yvalue)
asked by Sarah 
chemistry
A moon rock collected by a U.S. Apollo mission is estimated to be 4.50 billion years old by uranium/lead dating. Assuming that the rock did not contain any lead when it was formed, what is the current mass of 206Pb per 1.150 g of 238U in the rock? The
asked by alice 
visual art
What are the design principles
asked by nokuphiwa 
random
is this free help forever ?
asked by alondra 
math
Find the horizontal and vertical asymptotes of the curve. y = 4+x^4/x^2−x^4 x=? (smallest xvalue) x=? x=? (largest xvalue) y=?
asked by Meg 
math
For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger is 7:5. What is the ratio of the area of the two rectangles?
asked by Anita 
math
Find the horizontal and vertical asymptotes of the curve. y = 2x^2+x−1/x^2+x−42 x=? (smaller xvalue) x=? (larger xvalue) y=?
asked by Meg 
math
Find the horizontal and vertical asymptotes of the curve. y = x^2+5/9x^2−44x−5 x= (smaller xvalue) x= (larger xvalue) y=
asked by Andrew 
rubidoux high school
Susan is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Susan has been adding money. Suppose that x and y are related by the equation = + 30 x 350 y
asked by jessica mendez 
math
Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7 x= y=
asked by Andrew 
math
(a) Use a graph of f(x) = sqrt(2x^2+9x+5)−sqrt(2x^2+2x+1) to estimate the value of lim x→∞ f(x) to one decimal place. (b)Use a table of values of f(x) to estimate the limit to four decimal places. (c)Find the exact value of the limit.
asked by Kayla 
English HELP!!!!😰😰
In prepositional phrases, can the subject be more than one word long????? HELP!!!!!
asked by Kayla 
physics
A box of mass 26 kg is hung by a thin string from the ceiling of an elevator. The string can hold up to 276.1 N and will break under larger tension force. How much can the maximum acceleration of the elevator be going upward so that the string does not
asked by Anonymous 
math
Find the reciprocale of 0.342. Hence evaluate: (ã0.0625)/0.342
asked by kudu 
algebra
Find the slope of a snowboarding beginner hill that decreases 24 feet vertically for ever 30foot horizontal increase
asked by brianna anderson 
math
For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger rectangle to the length of the smaller rectangle is 7:5. What is the ratio of the area of the two rectangles?
asked by Anita 
Chemistry
A 35.00 mL sample of water at 30.0°C is placed in an open container with an external pressure of 1.00 atm. 30.0 kJ of heat is added to the water sample. The density of water is 1 g/mL. (a) How many grams of liquid water remain at the end of the process?
asked by N 
Math
I have a project where I'm supposed to calculate the interest of a given amount monthly and continuously, and then compare the methods. We were given a chart with each's month's principal amount (and we're given 1 number for each month of 1 year), and I
asked by Kaye 
Algebra 1
A ball is thrown into the air with the in initial upward velocity of 45 ft/s. It's height (h) in feet after t seconds is given by the function h= 16t^2+45t+6. After about how many seconds will the ball hit the ground?
asked by Steve 
Science!!!
If a bowling ball hits a wall with a force of 6 N, the wall exerts a force of (blank) back on the bowling ball. A. 0 N B. 3 N C. 6 N D. 12 N Is the answer C? Thank you
asked by Callie 
Math
Sally is buying 6 identical shirts. The original price for one shirt is 39.99. The store is having a "buy one get one half off" sale and Sally has a coupon for an additional 25% off. The sales tax rate is 4 3/8. What is the total cost for the items Sally
asked by Linda 
Math
Q. Sheila's skates weigh 4 lbs. 3 oz., Heidi's skates weigh 3 lbs. 7 oz., and Javier's skates weigh 3 lbs. 13 oz. what is the average weight of the four skate pairs of skates?  A. Do I just add them all??
asked by Destinee 
Algebra 1
A ball is thrown into the air with the in initial upward velocity of 60 ft/s. It's height (h) in feet after t seconds is given by the function h= 16t^2+60t+6. What will the height be at t=3 seconds?
asked by Steve 
physics
a tsunami originating in japan has a wavelength of 10^5 m and a period of 10 mins. how long does it take to travel 8000km?
asked by Matt 
scince conditon
I don't know if its a scicnce condition question though but.If u have a condition called scoliosis which is have a condition with ur back that 1 of ur solider blades is bigger than the other and the spine is curved from not rlly sitting up staright at all
asked by dude 
Physics
A cannon ball is fired horizontally with an initial speed of 75 m/s from the top of a 50m tall building. When the ball hits the ground, its velocity vector makes an angle θ with the horizontal. What is θ
asked by xavier 
Science Fair Project
Please help anyone!!!!!!!!!!!!!!!!!!!!!!! I need a science project that can be done in 25 days but also that can give me a very good mark!!!!!!!!!!!!!!! please reply A.S.A.P.!!!!!!!!!!!!!!!!!! From a Science Fair Project in need of a project which can be
asked by Wimbika 
math 3
Gwen pours 236 milliliters of water into Ravi's beaker. Henry pours 189 milliliters of water into Ravis beaker. Ravis beaker now contain 800 milliliters of water. How much water was in Ravis beaker to begin with? my answer is 375 is this correct?
asked by bb love 
H.A.C.E.
Hi, can anyone please tell me what does a doctor do, what skills do they have or need, what are the degrees and trainings and how much money they earn? I need to now this for my H.A.C.E. project mark which will effect my result in my report card and i have
asked by Wimbika 
social studies
I need help checking my answers. the ! stands for my answer. 1. what threeday battle became the turing point of the civil war? gettysburg antietam greenville ! chancellorsville 2. the northern victory at_________ split the confederacy and gave control of
asked by lila 
Physics
The rms current in a 41Ω resistor is 0.69 A. What is the peak value of the voltage across this resistor? Answer: V(rms) = A(ohms)(sqrt2)
asked by Anonymous 
Chemistry
A biochemical engineer isolates a bacterial gene fragment and dissolves a 15.1 mg sample of the material in enough water to make 32.7 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C. a) What is the molar mass of the gene
asked by Pooja 
math
FOUR QUESTION PROBLEM: Amy and three friends launch a new website. Each of the four friends emails the web address to three new friends. These new friends forward the web address to three more friends. If no one receives the emails more than once, how
asked by kyle 
math
Show how to write and evaluate an expression to represent and solve this problem: Jeff and his friend each text four classmates about a concert. Each classmate then texts four students from another school about the concert. If no one receives the message
asked by kyle 
Algebra 1
students measured the diameters and circumferences of the tops of a variety of cylinders. Below are the data that they collected. estimate the diameter of a cylinder with circumference 22cm. Cylinder Tops Diameter(cm) 3,3,5,6,8,8,9.5, 10, 10, 12
asked by Lindsey 
trig
I am currently taking a trig class. I need help understanding how to solve for sin,cos, and tan in problems which give an angle and a side length or the hypotenus. Any help would be muchly appreciated
asked by Ben 
Organic Chem
Why does the carotene elute from the column before the chlorophylls?
asked by Ryan 
Physics
During a rElay race along a straight ROAD the 1st runner on a three person team runs D1 with a constant velocity v1. The runner then hands off the baton to the sEcond runner who runs d2 with a constant vElocity v2. The batton is then passed to the 3rd
asked by Tim 
Check answers
1. An indorser's implied contract to pay a subsequent holder in the event that an instrument is dishonored is known as an indorser's A. duty B. accommodation C. primary liability D. secondary liability I chose C. 2. A defense that arises out of some
asked by Tine 
Check my answer?
An indorser's implied contract to pay a subsequent holder in the event that an instrument is dishonored is known as an indorser's? A. duty B. accommodation C. primary liability D. secondary liability I chose Secondary liability
asked by Tine 
math
In a livestock research stations a new drug for a certain fowl disease is being tried. Samples of 36 fowls were diagnosed to have the disease. Twenty (20) fowls were treated with the drug and the rest were not. (a) Calculate the probability that a fowl
asked by kudu 
grammar
Which is the subject of this sentence? Look in the index for a mention of this type of error. A. type B. index C. (you) D. mention
asked by Emily 
Science
Describe how evolution and extinction are related.
asked by Student 
science
can someone explain the life cycle of the animalia kingdom please
asked by matt 
Physics Help!!!!!!!!!!!!!!!!
Suppose you were asked to develop a concept of "automobile current" ( a current formed by moving cars) for traffic on an interstate or busy street near you. a) what would be the units of "automobile current"? b) what info would be the "automobile current"
asked by Urgent Help 
algebra
diana drove 320 miles, then increased her speed by 10 miles per hour for 500 miles. if the second part of the trip took 2 hours longer than the first, find her average speed.
asked by allie 
AP European History
How did medieval Europe lay the groundwork for the rebirth of Europe (Renaissance)? What conditions existed that allowed Europe to evolve out of medieval conditions?
asked by Jordan 
Physics
a BALL IS THROWN UPWARD WITH AN INITIAL VELOCITY OF 9.8 M/S FROM THE TOP OF A BUILDING. FILL A TABLE BELOW SHOWING THE BALLS POSITION,VELOCITY, and ACCELERATION AT THE END OF EACH OF THE 1ST 4SEC OF MOTION TIME(s) POSITION(M) VELOCITY(M/S) 1 2 3 4
asked by Tim 
Math lit, geography, life sciences and agriculture
Hi i am still in matric and i don't know myb i cn be a chef under this subj...or an jenourlist
asked by Charlie 
Science
Ball A Momentum Before collision is 3 kg m/s. Ball B Momentum Before Collision is 2 kg m/s. Total Momentum of Both Balls After Collision is 6 kg m/s Ball A and Ball B are rolled so that they will collide. Does the data in the table above demonstrate the
asked by Callie 
CHEMISTRY
the grams of sugar (carbohydrate) in a can of cola that has 150Cal and no fat and no protein Express your answer to two significant figures and include the appropriate u
asked by BREE 
math
7^(1/5) / 7^(7/5) * 7^3/5 can be simplified as 7^a/b where a and b are positive integers. find a*ba answer: 7^(1/5) / 7^(7/5) * 7^3/5 7^5/7(5/7) * 7 ^3/5
asked by anonymous 
Chemistry
A flexible balloon containing 1.5 mol of... ideal gas at constant pressure of 1.5 at... 100 °C. Calculate the change in intern...‡ (ΔE) of the gas.
asked by N 
Physics
A device for training astronauts and jet fighter pilots is designed to rotate a trainee in a horizontal circle of radius 10.2 m. If the force felt by the trainee on her back is 7.61 times her own weight, how fast is she rotating? (in m/s) Express your
asked by Cait 
Physics
Cleveland is 480 km east of Chicago. A plane leaves Chicago with an air speed of 800km/h in a wind which blows [S 45 degrees W]. (A) what heading will the pilot take in order to fly with a ground speed which is directly east? (B) how long will it take to
asked by Gurleen 
Physics
At what minimum speed must a roller coaster be traveling when upside down at the top of a circle so that the passengers will not fall out? Assume a radius of curvature of 8.47 m. (in m/s)
asked by Tanner 
Chemistry
name all the possible isomers of methyl nitrobenzoate and nitroacetanilide which can be formed
asked by Ryan 
Physics
How many revolutions per minute would a 15.6 m diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point? Do not enter unit.
asked by Tanner 
Physics
If a curve with a radius of 91.5 m is perfectly banked for a car traveling 77.4 km/h, what must be the coefficient of static friction for a car not to skid when traveling at 91.6 km/h?
asked by Tanner 
Physics
A 18.6 kg monkey hangs from a cord suspended from the ceiling of an elevator. The cord can withstand a tension of 202 N and breaks as the elevator accelerates. What was the elevator's minimum acceleration? (in m/s^2)
asked by Tanner 
math
find the cost of painting a wall having a door of dimensions 4m¡Á3m.the length and breadth of the wall are 10m and 10m respectively and the of painting is 50 per m square
asked by shehzad 
physics
Does the sun move to the west and accelerate east?
asked by julie 
math
eddie made a beaded necklace for his mother. every third bead is blue. every seventh bead is green. all the remaining beads are white. there are 20 beads in all. how many beads are blue? green? white?
asked by Anonymous 
history
How was emperor hongwu depicted in paintings? Please answers a direct answer
asked by Felicia 
Algebra
A ball weighing 1.78 N is shot through a launcher, achieving a speed (from rest) of 41 m/s in 0.28 second. What is the mass of the ball?
asked by Willie 
chemistry
The specific heat of iron is 0.498 J/g °C. If 341 J of heat is added to 154.1 g of iron at 25.0 °C, what is the new temperature of the iron?
asked by paige 
science
Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to offspring's as indicated by Mendle? (1) hereditary chapters (2) evolution (3) heredity (4) gametes
asked by sanjay 
Chemistry
calculate the density of NH3 at S650mm of Hg
asked by Bill 
Physics
A spring with a spring constant of 40.1 N/m is attached to different masses, and the system is set in motion. What is its period for a mass of 2.8 kg?
asked by Chris 
physics
what is the electric force exerted on a test charge of 3.86 x 10^5 C if it is placed in an electric field of magnitude 1.75 x 10^4 N/C ?
asked by physics 
question/curiousity
A nurse decides to write a book, and a lawyer decides to illustrate the book.. what do the two have in common? my ans: Two potentially turn a hobby into a second career?
asked by Dean 
Maths
Runner A speed 1km/hour Runner B speed 2km/hour They start of at the same point at the oval.In a lap that is 500m, how many times will they meet at the starting point after 10 hours. I managed to get the LCM for runner A,B using the time taken to complete
asked by Sandy 
math
Shopping centers X, Y and Z are such that Y is 12 km south of X and Z is 15 km from X. Z is on a bearing of 330° from Y.
asked by kudu 
physics
a fruit drops from the top of a tree 40m tall, calculate. the time taken to reach the ground. the velocity just before it hits the ground.
asked by simeon 
physics
Two bodies have masses in ratio 3:4when a force is applied on the first body it moves with an acceleration of 6m/s2 how much acceleration will the same force produced in the body
asked by ammu 
Chemistry
Why does the carotene elute from the column before the chlorophylls?
asked by Ryan 
Physics
Does the potential inside a hollow conductor change and why?
asked by Anonymous 
math(5th grade)
sally singleton's batting average is 0.375 and she has been at bat 120 times. How many times has sally hit the ball? pls help
asked by ary 
Physics
Why does the potential inside a solid conductor not change?
asked by Anonymous 
Chemistry
A solution of 4methyl3penten2one in ethanol shows an absorbance of 0.52 at 236 nm in a cell with a 1cm light path. Its molar absorptivity in ethanol at that wavelength is 12,600 M^1 cm^1. What is the concentration of the compound?
asked by Ryan 
Chemistry
Why does the carotene elute from the column before the chlorophylls?
asked by Ryan 
Math
During the summer, you mow lawns for extra money. One customer pays you to mow the lawn every 6 days and another customer pays you to mow the lawn every 9 days. If you mow both lawns today, in how many days will uou mow both lawns again on the same day?
asked by Amy 
Chemistry
The freezing point of benzene is 5.5°C. What is the freezing point of a solution of 8.30 g of naphthalene (C10H8) in 320. g of benzene (Kf of benzene = 4.90°C/m)?
asked by Anonymous 
saftet
I have 5 words theres 25 letters. About saftey. Etadprlbaselsspsfnniltria
asked by betty 
science
Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to offspring's as indicated by Mendle? (1) hereditary chapters (2) evolution (3) heredity (4) gametes
asked by sanjay 
^Math.^ Pls,I need help
QUESTION: Find the quadratic equation,which has difference of roots equal to 2 and the difference of the squares of roots equal to 5
asked by Ekingdeft 
science
If we added more mass to the blocks of wood during these lessons,how would that have changed the experiment?
asked by maria 
macroeconomics
Which of the problems in the construction of the CPI might be illustrated by each of the following situation? Explain. Investing manufactory of SamSung in Vietnam
asked by Yến 
Algebra 1
What is a solution of x^2 +6x=5? my answer is 1
asked by Steve 
Algebra 1
Find the solution of x^2+14x+112=0 I don't think that there is a solution
asked by Steve 
government
Who are the top 5 most important members of the Executive Office of the President?
asked by anonymous 
Geometry
Hi, so i reallllyy need help, i have an assignment that i have to complete, but the thing is theres a file and this site doesn't allow links, so does anyone have email to help me if you can help i will greatly appreciate it i'll email you the file. btw
asked by Arora 
math
The shadow of an electric pole is 5 m. long when thr angle of elevation of the seen is 60 degrees. Find the length of the shadow when the angle of elevation of the seen is 45 degrees
asked by Anonymous 
Math
Write an numerical expression equivalent to (3) (3) (3) using exponents. Evaluate the expression above
asked by Amy 
Algebra
What is the simplified version of 6x ^2 + 7x + 2
asked by Spartans 
maths
Seven guns all commence firing together at a target but they continue to fire at interval 2,3,5,7 and 12 minutes. After how many hours do all five guns fire at the same time as they did in the beginning? Thanks for helping
asked by LISA 
criminal investigations
why advances are paramount to the historical evolution of criminal investigations
asked by kim 
GPH
Why would a scale map look like 1:24000 (10') I don't know what that 10 means
asked by Dena 
social studies
could some plz check my answers. this * stands for my answer. my answers r also at the last question on the bottom. 1. why did william t. sherman want to attack coulmbia? because he had lost a previous skirmish there because he wanted to attack the captail
asked by watguy!!! 
biology
Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to offspring's as indicated by Mendle?option are as follows (1) hereditary chapters (2) evolution (3) heredity (4) gametes
asked by sanjay 
maths
7>10>93=?
asked by ajay 
Chemistry
A solution of NaOH(aq) contains 7.7 grams of NaOH in 93 mL of solution. Calculate the pH at 25◦C.  7.7 grams x (1 mol/39.997 grams) = 0.19 mol 0.19 mol/0.093 L = 2.07 M pOH = log(2.07) = 0.316  Am I doing anything wrong? Why am I getting a
asked by Edwin 
science
A golf ball leaves the club 35m/s at an teta of 35 degree above the horizontal . Find a) range b) maximum height reached c) time of flight
asked by anonymous 
Physics
Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.345. The objects have masses of m1 = 3.25 kg, m2 = 1.25 kg, and m3 = 2.50 kg, and the pulleys are frictionless. The
asked by Alan 
statistics
Listed below are the duration's (in hours) of a simple random sample of all flights of a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time unusual? Why or why not? 71 100 237 199 164
asked by slomo 
math
The demand function for a product is p=32−8q where p is the price in dollars when q units are demanded. Find the level of production that maximizes the total revenue and determine the revenue. q= units R= $
asked by Anonymous 
Language Arts
In What ways is the use of descriptive language in the two poems similar? The poems are "The Road Not Taken", and "O Captain! My Captain!". A. Both use analogies to represent decisions the speakers make. B. Both use sorrowful images to communicate regret.
asked by Calie 
Business Law
A minor is held responsible for the fair value of A. athletic shoes B. CDS C. medical care D. video games I chose C.
asked by Tine 
Business Law
Hey I just need my answers checked Please. 1. The right of a bailee to hold goods until charges are paid is known as a A. Mechanic's lien B. pledge C. reasonable care D. conversion I chose A. 2. A company that transports people or goods for pay but limits
asked by Tine 
Physics
The best sprinters can run a 100 m in 10.0 s. A 77.2 kg sprinter accelerates uniformly for the first 51.0 m to reach top speed, which he maintains for the remaining 49.0 m. What is the average horizontal component of force exerted on his feet by the ground
asked by mvlew 
physics
A cylindrical 9.16 kg pulley with a radius of 0.373 m is used to lower a 2.64 kg bucket into a well. The bucket starts from rest and falls for 3.94 s. What is the linear acceleration of the falling bucket? The acceleration of gravity is 9.81 m/s 2 . Answer
asked by d 
Organic Chem
Im not really sure how to begin with this question.. 1. The synthesis of toluene by the aluminum chloridecatalyzed FriedelCrafts alkylation of benzene is badly complicated by the formation of di, tri, and polymethylated benzenes. A simple solution to
asked by Maura 
Math
Sandi counted all the parallelograms of any size she could find in the design below how many parallelograms are there in all
asked by Sarah 
english
plane crash flying from dhangadhi to bijhang 30 people dead now make newspaper
asked by niroj 
MATHS
A proper fraction with numerator 2 lies between a quarter and a half. Write down the greatest such fraction.. Thanks for your help
asked by LISA 
Business Law
Hey just need my answers checked again please! 1. The property pledged by the debtor as security for the debt is the A. surety B. credit C. interest D. collateral I chose D. 2. The person the agent deals with on behalf of the principal is called the A.
asked by Tine 
math
Which is faster a car completing a 500 race in about 3.33 hours or a car completing a 300 mile race in 2.5 hours
asked by starr 
math
Building a rectangular sandbox for younger brother. The length. Is 1 foot longer than twice the width of the sandbox. The perimeter of the sandbox is 29 feet what equation could be used to determine the w, the width, in feet, of the sandbox?
asked by gb 
geography
mike has 2 mats that are in the shape of triangles. the scale factor of the 2 triangles maths is 7/4. what is the ratio of the perimeter?
asked by nulaksha 
Biology  Genetics
If genes a, b, c, and d are genetically linked to each other, does it follow that a recombination experiment would detect genetic linkage between a and d?
asked by Mel 
math
Marty ate 4/6 of his pizza and Luis ate 5/6 of his pizza. Marty ate more pizza than Luis. How is that possible?
asked by michael 
physical science
how much energy is required to lower the temperture of 450g of sand from 60 celsius to 15 celsius
asked by tyrese 
chemistry
at a given temperature and pressure 20ml of the gas diffuses through a porous membrane in 5 seconds. calculate the volume o carbon dioxide which diffuses in 10 seconds if the vapour density of the gas is 11 a)10√(2) b)20/√(2) c)40√(2) d)10/√(2)
asked by please............ 
water dynamics
a projectile 20ft in lentgh 46 thousand lbs traveling @ 100mph @ 100ft below water surface can be stopped and/or have said projectile change its course by using how many pounds of water preasuure to achieve goal? And what are the approximate dimensions of
asked by mike 
how to delete ur account
is it possible to delete ur account if so how?
asked by hmmm 
math101
$6900 loan at 12% and eventually repaid $9384 (principal and interest). What was the time period of the loan?
asked by mako 
MATH
how many times as great as 10^5 is 100^2 ?
asked by GB 
Language Arts
How are the speakers in the two poems different? A. One is celebrating a decision he made, while the other regrets a choice. B. One is contemplating a past choice, while the other is mourning something out of his control. C. One regrets a past decision,
asked by Calie 
Math
Five friends went to a baseball game. Three of friends each bought a ticket for x dollar and soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money spent
asked by Kaity 
Math
It took Mr.Bingea 8 minutes to run 4/5 of a mile. How many minutes did it take him to run the entire mile?
asked by Marcos Ramirez 
Algebra 1
There is a state soccer tournament with 128 teams competing for 1st place. Each week, half of the teams get eliminated. How many teams remain after 6 weeks? A. 16 B. 8 C. 4 D. 2
asked by Jessica 
math
Milky uses 192 beads to make a bracelet and a necklace.It takes 5 times as many beads to make a necklace than it does to make a bracelet.How many beads are used to make the necklace
asked by Alexa 
PhysicsElectricity
A toaster consists of 4 heating elements that are connected in parallel. The toaster is connected to a 240 V mains supply. When the toaster is switched on, a current of 2.5 A is drawn from the mains supply. Calculate the electrical energy used by a single
asked by Nick 
PHYSICS
A variable length air column (closed on one end) is placed just below a vibrating wire of mass 5.00g, which is fixed at both ends. The length of the air column is gradually increased from zero until the first position of resonance (first harmonic) is
asked by Aaron 
English Grammar
1) The sun had nearly set when we reached home. Adverb qualify adverb 2) Modern trains can travel incredibly fast.  adverbs qualify adjective 3) The judges were utterly amazed at the performance. Adverb qualify adjective 4) The bitterly cold winds have
asked by NIYA ### 
Calc
Find the solution to e^x = 2+2x
asked by Anonymous 
Geo
On a map with a scale of 1:24,000, a measured distance of 1 in. represents an actual distance of ______ ft. is the correct answer 1000 ft
asked by Dena 
Math
What is a ratio
asked by Abbie 
prealgebra
The scale factor for a blueprint is 7cm= ___m Model 40.4 cm actual 80.6m
asked by mj 
math
7^(1/5) / 7^(7/5) * 7^3/5 can be simplified as 7^a/b where a and b are positive integers. find a*ba i'm not good when it come to negative exponent, plz help!
asked by anonymous 
math
The scale of a map is 5m= 15 mi maps 8.2 actual____
asked by mj 
delete account
I looked in my gmail and it didn't hae that my account was deleted permantly or anything and I can still log into it?????
asked by lila 
Chemistry
Why does the carotene elute from the column before the chlorophylls?
asked by Ryan 
Math
Find the amount of the tip on a 75$ bill if a 15% tip is left. A. 11.25 B. 11.20 C. 10.50 (my answer) D. 12.00
asked by Jacklyn 
Physics
A car speeds up from 12 m/s to 20 m/s in 6.4s.If its mass is 1200 kg,what force must its engine provide ?
asked by Jason 
linear algebra
For what values of a and b are the vectors [ a − b −3] and [7 a + b] equal?
asked by hannah 
Math  Answer Check
Write the composition function and then find the value. f(x) = 2x+3 g(x) = x^2 k(x) = square root(x  4) 1. g(k(x)) g(k(20)) My answer: Function is x  4, the value is 16. 2. f(g(x)) f(g(2)) My answer: Function is 2x^2 + 3, the value is 11.
asked by Anonymous 
English Grammar
1) The sun had nearly set when we reached home. Adverb qualify adverb 2) Modern trains can travel incredibly fast.  adverbs qualify adjective 3) The judges were utterly amazed at the performance. Adverb qualify adjective 4) The bitterly cold winds have
asked by NIYA ### 
Science
Are there more hours of daylight in the summer than in the winter
asked by Anonymous 
science
when a molecule of water vapro in the air come into contact with a cold can of soft drink, they lose energy, slow down, and form a liquid due to a decrease in what?
asked by sarah 
perpendicular vectors
Find two unit vectors each of which is perpendicular to vectors (1, 1, 0) and (1,0,1) What I did: a x b = (1, 1, 1) axb=square toot 3 correct answer is +/ (1/√3  1/√3  1/√3) or =+/ 1/√3 (1, 1, 1)
asked by annonymous 
Physics
A cannon fires projectile (ordinarily called a cannonball) at an angle 85 degrees from the ground. The cannonball has a speed 150 m/s, and it is launched from hill 20 m above the plain where it will land.
asked by Jay 
math
What is your debt ratio? If you budget $375 to payoff your credit card debt and you payoff the highest interest card first while maintaining the interest accrued on the other card, how many months does it take you to pay it off and how much is the payment
asked by toby 
reading?
Which part of speech is the underlined word in the sentence? Next, add the eggs to the batter. A. preposition B. adverb C. conjunction D. interjection
asked by Lux 
Algebra
x^1/2  7x^1/4 + 12 = 0
asked by Anonymous 
chemistry
If 6.20 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced? CaC2(s) + 2 H2O(l) Ca(OH)2(aq) + C2H2(g)
asked by nina 
English
From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a particular society? This is an essay topic that I chose, and I am not sure if my three subtopics cover it all (anger/disappointment,
asked by leo 
math
if $13.69 is the price of a pair of sneakers after 75% was taken off, what was the original price of the sneakers?
asked by devon 
Physics
How fast do you need to swing a 180g ball at the end of a string in a horizontal circle of 0.6m radius so that the string makes a 35∘ angle relative to the horizontal?
asked by Please Help 
science
1.explain why most refrigerators are painted with a white shiny colour.
asked by Max wayne 
Spanish
I am currently in Spanish 1. I am gradually catching on to Spanish, but my question is.. Can you help clarify to me when I should put a small word before a verb or noun.. for instance "los libros" How do I know whether its La, los and etc.? I know it has
asked by Marina 
Icp
A student is helping her teacher move a 9.5 kg box of books. What net sideways force must she exert on the box to slide it across the floor so that it accelerates at 1.0 m/s2?
asked by Jack 
Chemistry
Why does the carotene elute from the column before the chlorophylls?
asked by Ryan 
Geography
new found planet
asked by Anonymous 
Justice
What are the Native American and Mennonite approaches to restorative justice? I understand restorative justice and the philosophy of approaches, but what are the exact approaches.
asked by Demetria 
math
Find the limit lim x→−∞ sqrt(4x^6−x)/(x^3+5)
asked by TayB 
Science!!!
A 2,500 kg car moves at 15 m/s^2; 15m/s^2 is the (blank) of the car. A. Acceleration B. Force C. Velocity D. Speed Is the answer D? Thank you
asked by Callie 
maths(Probability)
Two fairly six~sided dice are rolled,find the probability that their total score is (a)2 (b)7 (c)a prime number (d)a perfect square. Solutions. (a)2/6=1/3 (b)7/6
asked by eliphasjnr 
Art  Drawing
Can you give me some tips on how to draw graffiti (anything really)? I am good with drawing something but the thing is I have to look a picture to draw it. Its almost as if I don't have enough imagination. But since that's how I've been drawing, tips
asked by Marina 
Physical Science PLS HELP
Dana is reading about the best conditions for worm composting. Worm composting involves keeping worms in a bin with vegetable scraps from the kitchen along with other plant waste, and using the soil and drippings they produce to improve gardens. What
asked by Carol 
Science
Why are the days typically hotter in June than in December here in the US? D. Because the United States faces the sun in the summer and faces away from the sun in the winter E.Because the tilt of the Earth causes the sun's rays to be more concentrated in
asked by M