Questions Asked on
April 25, 2017

Science
Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? One species preys on the other. The relationship is mutually beneficial. They share the same niche. One species benefits, while the
asked by Anonymous 
ELA
You meet Tock and Humbug in Act 1 of The Phantom Tollbooth.In Act 2,you see them in action and hear more of what they have to say.How are the two characters alike?How are they different?What do they do to help Milo? IN a paragraph, compare and contrast
asked by Help I need somebody not just anybody 
science
1.where is most freshwater found on earth? A.lakes and rivers B.oceans and seas C.Underground D.icecaps and glaciers
asked by nathan 
Math
Translate the sentence into an inequality. The sum of a number times 10 and 27 is at least −20..... How do I write this????
asked by Maddiey 
ELA
The following question asks about one or more selections from your textbook Literature. You may use your textbook to answer this question. Both “The Road Not Taken” and “O Captain! My Captain!” are analogies. Write a paragraph comparing the
asked by Watermelondrea 
Math
Each letter of the English alphabet is written on a scrap of paper and put in a hat. P(J) = start fraction 1 over 26 end fraction. What type of probability is illustrated and why? (1 point) theoretical; the result is based on the number of possible
asked by Natavia 
Math (Physics)
Problem: An excited hydrogen atom could, in principle, have a radius of 2.50 mm . ________ Part A: What would be the value of n for a Bohr orbit of this size? Answer> n= 6.87×103 _______ Part B What would its energy be? Answer> E=_______eV [Note: I
asked by Dom 
buisness
Martha realizes that the microwave she bought is faulty after a month of purchase. The manufacturer of the microwave asks Martha to pay the repair expenses as the fault was with a part that was out of warranty. Martha was unaware of this warranty
asked by Judy 
buisness
Read about Wanda’s complaint to the FDIC. What action did the regulator most likely take in this case? The FDIC found out that a company misreported information to a credit scoring company about Wanda. Wanda contacted the company and asked them to fix
asked by Judy 
Math
The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the perimeter of a lateral face is 27.5 cm
asked by Alisha 
math
A ten foot long ladder leans against a wall, with the top of the ladder being eight feet above the ground. What is the approximate angle that the ladder makes with the ground? A) 37° B) 47° C) 53° D) 60°
asked by patricia 
social studies
6. Why would both these stores attract a good number of customers? A. Customers value different types of deals. B. Customers have different brand loyalties. C. Customers patronize both stores to maintain competition. D. Customers do not have the
asked by soji 
Social Studies
Unit 5 Lesson 11 Which statement best describes how governments deal with scarcity? a.)choosing to fill needs rather than wants b.)choosing options that best match supply with demand c.)choosing options that employ the largest number of people d.)choosing
asked by Metimoku 
Chemistry
Based on the following equation: 2AgNO3 + CaCl2 > 2AgCl + Ca(NO3) When 50 g AgNO3 are combined with 1.45M CaCl2 solution, what volume of the 1.45M CaCl2 solution would be needed to precipitate all of the silver as AgCl?
asked by Nicole 
statistics
A manufacturer ships toasters in cartons of 20. In each carton, they estimate a 10% chance that any one of the toasters will need to be sent back for minor repairs. What is the probability that in a carton, there will be exactly 2 toasters that
asked by dhama 
Reading .
What does the speaker mean in "Any Human to Another" when he says, "Sorrow never scorned to speak / To any who / Were false or true? Humans bring sorrow upon themselves. People who are truthful can avoid suffering in life. Sorrow comes to every human
asked by Violet 
Math(Physics)
How much energy is stored by the electric field between two square plates, 7.9 cm on a side, separated by a 2.5mm air gap? The charges on the plates are equal and opposite and of magnitude 15 nC . Answer> PE=_____ J PE = potential energy? I got this
asked by Jack 
SS
The monumental cities of the Incas demonstrated their? 1)extensive trade networks 2)high level of organization 3)interest in astronomy 4)dependence on farming I THINK #2 Thanks in advance for your help.
asked by JAMIE 
Math
Jim owns a small business. There was a loss of $26 on Thursday and a loss of $11 on Friday. On Saturday there was a loss of $9, and on Sunday there was a profit of $13. Find the total profit or loss for the 4 days.
asked by Help I need somebody not just anybody 
social studies
what is an interest rate A:a loan addon B:a required bank fee C:a service provided by a retail store D:a sprcial typ of price I think its A. Can you please tell me if im correct :)
asked by Sunny Dreams <3 
U.S. Government
Which part of the Constitution was at issue in the nullification crisis? the supremacy clause the elastic clause the necessary an proper clause the interstate commerce clause I really don't know which one because I don't really understand the question but
asked by Lorie 
Chemistry
Calculate the solubility of ZnCO3 in a buffer solution with a pH of 9.83 and Ksp of 1.2x10^10
asked by Katy 
U.S. Government
"No person who may hereafter fight a duel, assist in the same as second, or send, accept, or knowingly carry a challenge therefor, shall hold any office in the State, for a period of ten years...." Arkansas state constitution, Article 19, Section 2 Why
asked by Spencer 
Physics
Three particles have charges +20μC each.They are fixed at the corners of an equilateral triangle of side 0.5m .The force on each of particle has magnitude
asked by Pooja 
Math
Mrs. Lin brings 6 trays of hamburger buns to the barbecue. 2/3 of the trays have wheat buns. How many of the trays have wheat buns? Draw a diagram to solve the problem.
asked by May 
Math
Darrin tosses a quarter and a penny 20 times. He gets heads on both coins twice. Compare the theoretical probability of getting heads on both coins with Darrin’s experimental probability of getting heads on both coins. Why might the probabilities differ?
asked by Anonymous 
math
Fortyeight sheep live on the farm. Thirtysix cows also live on the farm. What is the ratio of sheep to cows
asked by dee 
Math  probability
The experimental probability that a person in the United States has the A+ blood type is 35.7%. The experimental probability that a person in the United States has the AB– blood type is 0.6%. Last week, a blood bank received 224 donations. Predict how
asked by Anonymous 
History
How did the geographic location of Philadelphia affect the city's development? Because of its location on rivers, the city built bridges and used ferries to allow workers to access the city. Because of proximity to water, streets had to be properly
asked by Phil 
Algebra
A particle P of mass 2gms moves on the Xaxis and is attracted towards origin O with a force numerically equal to 8x. If it is initially at rest at X = 10, find its position at any subsequent time assuming (a) no other force acts, (b) a damping force
asked by Vijaya 
Math
there is a track next to the barbecue area the track is 1/4 mile long. a group of students have a relay race. they run around the track 4 times. draw a number line to show how many miles the students can. use 0 and 1 as points on your number line. divide
asked by May 
fgh
9. A touring party of 20 cricketers consists of 9 batsmen, 8 bowlers and 3 wicketkeepers. A team of 11 players must have at least 5 batmen, 4 bowlers and 1 wicketkeeper. How many different teams can be selected: a) If all the players are available for
asked by werty 
Math
what is the recursive rule for the sequence 7.4, 21.2, 35, 48.8, 62.6 an=an1+13.8 an=an+1+13.8 an=an+113.8
asked by Jessie 
math
To determine whether there is a relationship between the type of school attended and verbal reasoning scores for Irish students, three samples with 25 students, in each group, were randomly selected from data used by Raferty and Hout (1985). One group of
asked by Andrea 
Intermediate Maths
(a)A fossilised tree was tested and contains 10 grams of Carbon14. Given that there was 12 grams of Carbon14 present when it died, determine the age of the fossil? Half life of Carbon14 is 5700 years. (b)How much Carbon14 will be present in the sample
asked by Gunner76 
Math
Patty tosses a coin and rolls a number cube. 1)Find the probability that the coin lands on heads and the cube lands on an even number 2)Patty tosses the coin and rolls the number cube 60 times. Predict how many times the coin will land on Heads and the
asked by Anonymous 
Economics
What would happen to the price of cheeseburgers if the price of cheese went up? What would happen to the supply curve, demand curve, equilibrium price, and equilibrium quantity?
asked by Renee 
maths
the distance covered by a falling ball varies as the square of the time taken. If a ball falls through 1800m in 15seconds,calculate the distance when the time taken is 15seconds and the time taken for is distance of 648m.solve using variation
asked by chinaemerem 
math
Part A: Using the graph above, create a system of inequalities that only contain points D and E in the overlapping shaded regions. Explain how the lines will be graphed and shaded on the coordinate grid above. (5 points) Part B: Explain how to verify that
asked by Anonymous 
Reading plz check my answer!!?
Which words of the singer in "The Weary Blues" show his communication about life? "I's gwine to quit ma frowning" "And put ma troubles on the shelf"
asked by mickey 
Final Maths
(a)A fossilised tree was tested and contains 10 grams of Carbon14. Given that there was 12 grams of Carbon14 present when it died, determine the age of the fossil? Half life of Carbon14 is 5700 years. (b)How much Carbon14 will be present in the sample
asked by Edmonds 
Calculus  Related Rates
A road perpendicular to a highway leads to a farmhouse located 5 miles away. An automobile traveling on the highway passes through this intersection at a speed of 65mph. How fast is the distance between the automobile and the farmhouse increasing when the
asked by Andy 
Math
Sofia spins the pointer of a spinner that has 5 equal sections numbered 1 to 5. Choose True or False for each statement. A. It is likely that the pointer will land on a factor of 4. B. It is as likely as not that the pointer will land on an odd number. C.
asked by Anonymous 
algebra
Which number is missing in the table of values below?
asked by Anonymous 
History
Why was inflation a problem after World War 2? a.Many people went into debt buying on credit without the income to pay cash b. Many men came home from war without being able to get a job c. Government controls ended and prices of good rose without workers
asked by Anonymous 
math
Excited about the success of celebrity stamps, post office officials were rumored to have put forth a plan to institute two new types of thermometers. On these new scales, E° represents degrees Elvis and M° represents degrees Madonna. If it is known that
asked by un 
Math
Write the following pairs as like fractions: (a) 87.3/8.73
asked by Pankaj singh 
Math (Physics)
What is the resistance of a 3.9m length of copper wire 1.1 mm in diameter? The resistivity of copper is 1.68×10^−8Ω⋅m. R=______ Ω Please Help. I've been at this for hours.
asked by Jack 
Social Studies
Roman rulers helped unify the empire by granting every free person________in AD 212 1. citizenship**** 2. money 3. land 4. voting rights Justinian's wife Theodora helped give Byzantine women the right to __________. 1. vote**** 2. divorce 3. rebel 4. own
asked by review my answers please 
Math
Artist used squares of colored glass that measured 1/4foot by 1/4 foot. How many colored squares did he use?
asked by Geo 
Wave Particles
A stationary proton absorbs an xray with a wavelength of 0.24 nm. Determine the proton's final velocity.
asked by Mark 
Algebra
Jennie skated for 2 5/6 hours on Saturday and 1 3/6 hours on Sunday. Her goal was to skate 6 hours over the weekend. How much longer does Jennie need goal? Show your work.
asked by Marina 
Math
Problem: What is the resistance of a 3.9m length of copper wire 1.1 mm in diameter? The resistivity of copper is 1.68×10^−8Ω⋅m. Answer> R=______Ω
asked by Dom 
Social Studies
Which of these is part of the estate's water system? 1. aviary 2. wrestling ground 3. baths**** 4. colonnade Tiberius and Gaius Gracchus wanted to 1. give women the right to vote***** 2. give land to the poor 3. take over Roman government 4. free all
asked by Help!!!! 
Math
Jack is learning to ride a bicycle. In his first try, he rode for 1/100mile. The second time he rode for 5/100 mile. In the next two tries, he rode successfully for 2/10 mile and lo 4/10 mile Part A What is the total distance he rode the bike in four
asked by Marina 
Physical Science
How much time will it take a car at 88km/hr to travel 500km? Show work and include final units
asked by Anonymous 
Math
Milos bring 12 hamburgers to the barbecue. He puts cheese on 4 hamburgers. Draw to show the fraction. Write two equivalent fractions. Explain why they are equivalent fractions
asked by Eunji 
Cda
1. To enable an entire class to comfortably view an image directly from a computer screen, you could use an overhead projector and a(n) A. LCD panel. B. opaque projector. C. document camera. D. videocassette recorder.
asked by sue 
World History
Are there similarities between islam holy book, judaism holy book, and christianity holy book
asked by Hannah 
Algebra 2
A single die is rolled. find the probability of rolling an even number or a number less than 5, what is the probability Please help me with this question!!
asked by Billy 
math
Account A and B each start out with $500. If Account A earns $50 each year and Account B earns 5% of its value each year, after how many years will Account B have more money than Account A? If necessary, round your answer to the nearest year.
asked by un 
college physics HELP
A vertically oriented spring stretches 0.2m when a 0.4kg mass is suspended from it. The mass is pulled, stretching the spring by an additional 0.15m. The mass is released and beings to oscillate in SHM. a)Calculate the spring constant for the spring.
asked by siobhan 
physics
A ball of mass 80g is thrown vertically upwards with a velocity of 20m/s calculate 1)the max height, from the height which the ball is thrown 2) the total time of flight from the point it is released and caught at the same point.(assume g=10 ms2)
asked by ramz 
Math
The length of a rectangle is three times its width. If the perimeter of the rectangle is 48cm,find its area.
asked by Maddiey 
MATH
The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the perimeter of a lateral face is 27.5 cm
asked by HELP 
Math
During a recent survey of two middle school classrooms, 1/3 of the students reported that they bring their lunch to school. Another 1/4 reported that they buy their lunch in the cafeteria and 1/6 reported going home for lunch. The remaining 18 students
asked by Adam 
English is this right?
How do most people use comparison/contrast? A. To prove that others are wrong B. To make informed choices C. To destroy many political debates D.To share unbiased information The answer is B right?
asked by Tiffanee 
Chemistry
Calculate the ZnCO3 in a buffer solution with a pH of 9.83
asked by Katy 
math
Which ratio can form a proportion with 3/7?
asked by Shortie 
Physics
A string under a tension of 43 N is used to whirl a rock in a horizontal circle of radius 2.1 m at a speed of 15.89 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.948 m long and the speed of the rock is 59 m/s, the
asked by Lebronie 
vectors/work
. In many applications a bolt is required to be tightened to a specific moment (torque), this is measured with a torque wrench. A bolt is located at the origin and is rotated so that the axis of rotation should be the z axis. A 0.5 m wrench is attached to
asked by Mason 
physics (mirrors)
An object is placed from a concave mirror with a radius of curvature of 50cm. The object has a height of 5cm. a)Calculate the focal lenght of the mirror. b)Calculate the position of the image formed by the mirror. Is the image real or virtual? c)Calculate
asked by amy 
Math  Calculus
Suppose you live near a bay where the water level fluctuates due to the tides. Your bay is an inverted cone with a radius of 1 mile, and a depth in the center of 100 feet. (There are 5280 feet in a mile.) Water flows through a channel in and out of the bay
asked by Anonymous 
Pottery
how do the poetic elements increase my interesting in the poem of "How I Learned English"
asked by N 
Math (HELP ASAP!)
1. Find the slope of the line that passes through (2,1), (1,10). a. 3 b. 3 c. 1/3 d. 1/3 2. Which equation represents a direct variation? What is the constant variation? a.3y = 2x + 1; 1 b.y = 5x  11; 5 c.4y = 12x; 3 d.y + 7 = 2x  1; 7 3. Suppose y
asked by Catalena 
Social Studies
What was Hadrian's Wall? 1. a wall built for defense in Britain 2. an aqueduct 3. a great wall in Italy 4. a memorial to Hadrian in Rome I think number 1. am I right?
asked by Help!!!! 
Math
From a pool of six juniors and eight seniors three co captains will be chosen for the football team. How many different combinations are possible if one junior and two seniors are chosen?
asked by Anon 
Physics
Would electrons be ejected from aluminum if the incident violet light has a wavelength of 4.00 x 107 m?
asked by Jackson 
Calculus Help
Suppose you drill a circular hole with radius r through the center of a sphere with radius R. You remove exactly half the volume of the sphere. The ratio of your radii is: r/R=
asked by Anonymous 
maths
the load which a crame can lift up is directly proportional to the mass and inversely proportional to the height through which the load is to be lifted.if a load of 40+ and mass of 175gm is lifted through height from what load will be carried through
asked by chinaemerem 
Science
Describe similarities between ice wedging and weathering caused by plant roots?
asked by Emma 
grades
if a class has 30 students and the average grade on a 100 point exam is 72% and the median is 74% how many students got above 90
asked by Stacy 
Math (Physics)
Problem: What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a kinetic energy of 19.1 eV ? Answer> λ =______nm [Note: I got 3.8x10^8. I got it wrong twice] My steps: (32.7 eV)(1.6x10^19)=
asked by Dom 
math
A line has a slope of 2. It passes through the point (1,2) and (3,y). What is the value of y ? Please help. Is there like a specific difference I'm suppose to find? I'm super confused.
asked by Pranav 
Economics
What long term effect of lifting of prices control.
asked by Tibah 
Social Studies
Tiberius and Gaius Gracchus wanted to 1. give women the right to vote 2.give land to the poor**** 3. take over Roman government 4. free all enslaved people Roman rulers helped unify the empire by granting every free person____________in AD 212. 1.
asked by check answers 
Math
Prove the side of triangle is is produced then the exterior angle formed is equal to the sum of two interior opposite angle
asked by Srishti 
Math
picking a 7 from a standard deck of 52 cards. a standard deck includes 4 cards of each number from 2 to 10 What is the probability?
asked by Anonymous 
Math
The experimental probability that a person in the United States has the A+ blood type is 35.7%. The experimental probability that a person in the United States has the AB– blood type is 0.6%. Last week, a blood bank received 224 donations. Predict how
asked by Anonymous 
chemistry
some pollutants in natural waters such as heavy metal and organic compounds would be classified as having low solubility.what are some origins of pollutants in natural waters? if some are low solubility compounds, why are these a problem? Hello, I just
asked by Laura 
Math
Evaluate the determinant of each matrix 3 2 3 0 1 1 3 0 3 My answer is 36 The correct answer is 24 but I don't understand how they got the answer.
asked by Aria 
Math(Calculus)
Im having a real difficult time solving this question. Find the absolute extrema of the function. h(x) = e^x^(2)  4 on [2,2] Absolute maximum value: at x = Absolute minimum value: at x =
asked by Chris 
Calculus  Fundamental thm of Calc
Use the Fundamental Theorem of Calculus to find the derivative of f(x)=∫[4,x^2]((1/4)t^2−1)^15 dt
asked by Anon 
Math
A general point on a curve is P(3+4costheta,2+4sintheta). Show that the locus of P is a circle and find the centre and radius
asked by Jennifer 
Chemistry
Explain the difference between a diprotic and triprotic acid. How does each acid ionise in water?  I understand the difference between a diprotic and triprotic acid, though I haven't found how each acid ionises in water through extensive research. Thanks.
asked by Rik 
physics
A Mass of 0.3kg moving at 10/ms1 collides with another ball of equal mass at rest. If the two balls move off together after the impact. Calculate their common velocity
asked by Gibson 
math
The length of a rectangle is 4 in longer than its width. If the perimeter of the rectangle is 48 in, find its area.
asked by Maddiey 
Calculus
Use the disk method to find the volume of the solid generated by revolving about the yaxis the region bounded by the curves y=8−x^2 and the curve y=x^2.
asked by Travis 
History
Critically access Robespierre's contributions to the revolution
asked by Tanya 
math
what is the value of b in the equation? 4(b 1)=2b+10 4b4=2b+10 2b=14 b=7 is this right?
asked by hdawg 
math
The patient is seen by his family physician for followup treatment of recently diagnosed asthmatic bronchitis. The physicianâ€™s fee is $75. The patientâ€™s copayment is $20, and the patient is not required to pay any additional amount to the
asked by Anonymous 
No one is helping me :/ ??
If y = 3 is a horizontal asymptote of a rational function, which must be true? lim x→ 3 f(x) = 0
asked by Leia 
Maths
What are the first three terms of an arithmatic series in which, a1=9, an=105, and Sn=741?
asked by Bridgith 
6th grd math
How can i find the area of a 14inch circle? Thank You so much!
asked by mom 
Math
6 times the difference of a number and 9 is 18 less than the number. I need to write out as an equasion. Help!
asked by Amy 
Math
Find the inverse for the following matrices: 2 and 4 is on top 6 and 3 is on bottom My answer is 90 120 180 60
asked by Aria 
math
5/8 divided by y/9 = 1 1/8
asked by teresa 
math
is the vertical asymptotes in the numerator or denominator? why? can you please explain you answer
asked by someone help me please 
Math
Kaylea makes punch for 60 students in the band. She fills a 2quart pitcher 6 times with orange soda. How many gallons of orange soda does Kaylea use for the punch?
asked by Takila 
Bio
Tutoring on heart disorders that involve tachycardia as a symptom
asked by Paul Kay 
american history
With the vital assistance of _______, Theodore Roosevelt established the first comprehensive national conservation policy. A. Gifford Pinchot B. Samuel Hopkins Adams C. Upton Sinclair D. William Howard Taft Which of the following is true of the
asked by Dez 
tech
do catapults use an overhand or underhand motion? what about pendulums?
asked by josie 
Math
Simplify dg8^6x+9.4
asked by Cait 
Mrs Sue Math
5d + 13d = 18 D=?
asked by The Weekend 
Math Questions Mrs Sue Help
4t – t – 1 = 17 T=? 4r – 3r – 1 = 2 r=? 12 = 4(d + 13) d=? 12 p = 4 p=? 4n – 18n + 4 = 18 n=? These are really confusing
asked by The Weekend 
maths
the sollution set {x,y}of the systemof equations x2y=0 and 3x+4y=20 is
asked by shiva 
math
hey how do i find the oblique asymptote of (x+1)^2/(x2)
asked by someone help me please 
math
(x + 1)^2 / (x  2) => (x  2 + 3)^2 / (x  2) => ((x  2) + 3)^2 / (x  2) => ((x  2)^2 + 6 * (x  2) + 9) / (x  2) => (x  2)^2 / (x  2) + 6 * (x  2) / (x  2) + 9 / (x  2) => x  2 + 6 + 9 / (x  2) => x + 4 + 9 / (x  2) As x goes to infinity,
asked by is this right?