Mercury is an average distance of 5.79 107 km from the Sun. Estimate the length of the Mercurian year given that the Earth is 1.50 108 km from the Sun on the average.
89,652 results, page 52

Math
estimate the area of the rectangles 5 7/9 by 3 1/5 7 7/8 by 1 1/3 Estimate each product. 3/8 X 4 
math
Estimate 99 9/19 + 1/5, Use benchmarks to estimate the total 
CALCULUS
1. A rectangular package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross section) of 108 inches. Find the dimensions of the package of maximum volume that can be sent. (Assume the cross section is square.) 
Math
Thomas puts fence posts from one end of a field to the other, equal distance apart. There are 287 posts. Width of each post is 10 cm. Distance between two posts is 30 meters. Find Length of fence. 
Physics
Find the magnitude of the gravitational attraction force that the earth exerts on a 62kilogram astronaut who is 8.00 X 10^7 meters away from the center of the earth. Useful numbers: M^earth=5.98 X 10^24kg; G=6.67 X 10^11 N*m^2kg^2 Please walk me through your steps, don't ... 
estimating
A security analyst specializing in the stocks of the motion picture industry the relation between the number of movie theater tickets sold in December and the annual level of earnings in the motion picture industry. Timeseries data for the last 15 years are used to estimate ... 
mathematics
given that log(6)/log(a) = p and log(108)/log(a) = q , express log(3)/log(a) in terms of p and q 
math
1.estimate the sircumference of a circle with the given radius or diamiter. use 3.14 for pie. the raius is 24 and the answers are:A27 B79 C1809 D151 
Criminal Justice/Judicial Process
While legal experts recommend a felony caseload of no more than __________ per attorney per year, some attorneys represent upwards of 1,000 indigent defendants in any given year. A. 200 B. 100 C. 150 D. 50 I think it's A, but not sure 
Chem
mass of empty cylinder is 87.470g 97.470g w/10mL of water 107.470g + 10mL of water 117.470g + 10 more mL of water need to know the total volume of water (in mL or cm3) total mass of water density of water calculate the average of the 3 densities of water. 
calculus
f(1)= 20, f(3)=13, f(5)=15, f(7)=16, f(9)=11, on [0,6] a, used midpint rule with n=5 to estimate intergral form 0 to 10 f(x)dx b, use trapezoidal rule with n=4 to estimate intergral from 1 to 9 f(x)dx c, used simpson's rule with n=4 to estimate intergal from 1 to 9 (x)dx 
Science Help! I have a deadline!!
Match the following. 1. Rocky Mountain spotted fever 2. information about plants 3. eroded material 4. sun, wind, thermal 5. yellow fever and malaria 6. receives radio waves 7. major problem of underdeveloped nations 8. method of mountain formation 9. producer of oxygen a. ... 
Physics
On a distant planet, golf is just as popular as it is on earth. A golfer tees off and drives the ball 4.3 times as far as he would have on earth, given the same initial velocities on both planets. The ball is launched at a speed of 40 m/s at an angle of 46° above the ... 
Physics
A sound wave travels a distance 1020 m in 5 minutes. If the length of the three successive crests is 15 m, then calculate the wave speed. "Length of three crests"? I'm not sure about that. Is the question okay? I'm confused. :/ 
Statistics
Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The results showed that the average tread life was 52,515 miles with a standard deviation of 3,550 miles. What is the best estimate of the average tread life in miles for the ... 
SCIENCE
ON A PLANET IN THE YEAR 2000 YOU ARE OBSERVING AMERICA'S BICENTENNIAL CELEBRATION IN BOSTON, MASSACHUETTS. HOW MANY LIGHT YEARS AWAY ARE YOU FROM EARTH. HOW FAR ARE YOU IN KILOMETERS 
Environmental Science
On Earth in the extreme northern and southern latitudes, how does the relationship between GPP and NPP change during an entire year’s time? 
Environmental Science
On Earth in the extreme northern and southern latitudes, how does the relationship between GPP and NPP change during an entire year’s time? 
algebra
Suzies flower shop estimates that supplies cost for one month will be given by the polynomial 3x^2+7x3. She estimates the utilities costs for one month is given by 5x+2 Find and simplify an expression that would estimate suzie's total cost for one month. 
Physics
Let us assume that the muon production happens at an altitude of about 15 kilometers above the surface of the Earth, and that the produced muons have a velocity of 0.99 c. Thus, in the Earth system, it takes the muon approx. 50500 nanoseconds to reach the surface of the Earth... 
Inorganic chemistry
One kind of battery used in watches contains mercur(II) oxide. As current flows, the mercury oxide is reduced to mercury. HgO(s) + H2O(l) + 2e^ ==> Hg(l) + 2OH^(aq) If 2.5x10^5 amperes flows continuously 1095 days, what mass of Hg(l) is produced? (2.5x10^5)(1095days)(... 
College Algebra
The following graph shows Bob’s salary from the year 2002 to the year 2005. He was hired in the year 2002; therefore t = 0 represents the year 2002. These are the points on the graph! O year = $41000 1 year = $43000 2 year = $46000 3 year = $48500 List the coordinates of any... 
college math
Find the distance of the shotcut and the distance of the long way for two locations. find the number of seconds saved ( 2.1 and 5.8) Approximate the are of the affected region (24 and 248 Sq Ft). find the average amount of oxgen saved per second saved (10.8 and 110.6 KG of ... 
physics
An electron and a proton are initially very far apart (effectively an infinite distance apart). They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an average distance of 5.11 1011m. What is EPEfinal  EPEinitial, which is the ... 
math
recall that the acceleartion due to earth's gravity is 32 ft/sec^2. from ground level, a projectile is fired straight upward with velocity 90 feet per second. a. what is its velocity after 3 seconds b. when does it hit the ground c. when it hits the ground, what's the net ... 
Physics
A power boat of mass 475 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 770 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume  contrary to fact  that the resistive force due to the water is ... 
Statistics
a study shows that 16% of household appliances break during any given year. If a person has 4 household appliances, what is the probability that exactly 1 of them will break next year? I just need a formula and I can get it from there. 
Statistics
A gas station manager thinks the average motorist changes their oil less than the recommended two times per year. In a survey 15 car owners were asked how many times they changed their oil in the past year. Here are the results: 1 1 2 1 2 2 0 1 0 1 2 3 1 3 0 The value of the ... 
physics
A satellite with a mass of ms = 7.00 × 103 kg is in a planet's equatorial plane in a circular "synchronous" orbit. This means that an observer at the equator will see the satellite being stationary overhead (see figure below). The planet has mass mp = 8.59 × 1025 kg and a ... 
chemitstry
I would like if you guys could answer me this question or give me a website where I cold find the answer. Lead, mercury and plutonium are very harmful elements, but when you cobined them with what do they become harmless? The element with which they must be combined does not ... 
physics help pleease!!
A rope goes over a circular pulley with a radius of 6.3 cm. If the pulley makes four revolutions without the rope slipping, what length of rope passes over the pulley? how can i find distance if the only variable given is radius and revolutions? 
cis 115
Jim is a financial analyst with many large investment clients. Each year Jim identifies ten different mutual funds that he shares with his clients for investing. At the end of each year he keeps the funds that performed better than the tenfund average and replaces the others ... 
English/Reading 10 HELP
TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and littletraveled trail led eastward through the fat spruce timberland. It was a steep bank, ... 
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 killed all the flowers... 
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 killed all the flowers... 
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 killed all the flowers... 
Physics Lab Question, Help Please
Two speakers, A and B, are emitting identical, synchronized (inphase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets quieter, reaching a minimum when she arrives at D. The ... 
the writing process
A trip to the ocean can be a relaxing escape from everyday pressures of life.A sailboat glistening on the horizon provides a mental escape to faraway places.The rhythm of the ocean beating against the sand is sedating music to a troubled mind.A slow,gentle breeze can relax ... 
science. mrs.sue please help
14. the sun's layer is called the photosphere . ( 1point) A. true b. false 15. meteoroids can form when comets break apart , creating dust clouds . ( 1point ) A. true b. false 16. a star is born whenever a nebula expands . ( 1point ) A. true b. false 17. a star system has at ... 
Math Functions (if i have correct answer)
The function h(t)= 2 + 50t 1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a golf ball above the planet Mercury's surface during its flight. What is the maximum height reached by the ball? My answer is 341.35 How long will the ... 
Physics
Use Bernoulli's equation to estimate the upward force on an airplane's wing if the average flow speed of air is 195 m/s above the wing and 162 m/s below the wing. 
stats
A study shows that 6% of household appliances fail during any given year. If a person has 6 household appliances, what is the probability that exactly 2 of them will fail next year? (x) npq = P(.6+.94)=1 6*2=12 
Math
A study shows that 6% of household appliances fail during any given year. If a person has 6 household appliances, what is the probability that exactly 2 of them will fail next year? (x) npq = P(.6+.94)=1 6*2=12 
chemistry
why is the bond length an average rather than a fixed number ? 
Physics
The Golden Gate Bridge in San Francisco has a main span of length 1.28 km, one of the longest in the world. Imagine that a steel wire with this length and a crosssectional area of 4.00 x 106 m^2 is laid on the bridge deck with its ends attached to the towers of the bridge, ... 
Math
The Andromenia Spiral is a galaxy 2,200,000 light years from Earth. write this distance in scientific notation 
earth science
how do we calculate or determine the distance to stars? what units do we use and what are the limitations (if any) of the method used for such calculations? 
physics relativity
An observer on Earth sees you travel 1000 m at half the speed of light. What distance do you think that you travelled? 
Physics
A laser is aimed at the moon. The spot of light is seen on the lunar surface 2.37 s later. What is the distance from Earth to the mooon 
math
Taking the speed of the radio signal as 3×108 m/s, calculate the time taken for a signal to reach a GPS receiver from a GPS satellite at a position 21 000 km distant from the receiver. Assume that the speed of the signal is unchanged over the whole path length. Express your ... 
Geometry Honors
On the bridge of a ship at sea, the captain asked the new, young officer standing next to him to determine the distance to the horizon. The officer took pencil and paper, and in a few moments came up with an answer. On the paper he had written the formula d = 3.6 square root h... 
physics
A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotating beam sweeps across the earth, and the earth receives a pulse of radio waves. For one particular pulsar, ... 
Physics
A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotating beam sweeps across the earth, and the earth receives a pulse of radio waves. For one particular pulsar, ... 
Earth Science
My child is doing a project on the earth. He is trying to do a power point presentation on the earth. He ran across information that stated, "The earth is divided into several layers which have distinct chemicals and seismic properties". He would like to know something that he... 
astronomy
Mars has a mean density less than the mean density of the Earth's mantle. How is it possible that Mars could have a metallic core given this fact? Hint: No calculations are required. Compare the densities used in part a) with the density of mantle rocks like basalt at one ... 
physics
If a bowl of salt water is left in the sun long enough for the water to evaporate a layer of salt crystals will be left in the bottom of the bowl. Salt crystals are more ordered than dissolved ions. a. Is this an increase or decrease in entropy? Support your answer. b. How ... 
programming
You have the final sales figures for the four quarters in 2010 for Bennets Used Auto Sales, and you are to design a program that asks for the sales figures, computes the total sales for the year, and calculates and displays the average quarterly sales for the year. using ... 
Language Arts
President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the mountain ranges, 6... 
Chemistry
The dipole moment (mu) of HBr (a polar covalent molecule) is 0.851 D (debye), and its percent ionic character is 12.6 %. Estimate the bond length of the HBr bond in picometers. 
math
Area of the four walls of a room is 108 m2. If the height and length of the room are in the ratio of 2 : 5 and the height and breadth in the ratio 4 : 5, then the area, in m2, of the floor of the room is : 
PreAlegrebra
1)Find the length of the hypotenuse of a right triangle with legs of 9cm and 12cm 8 cm 21 cm 15 cm**** 225 cm 2)The length of the hypotenuse of a right triangle is 13 cm. The length of one leg is 5 cm. Find the length of the other leg. (1 point) 14 cm 144 cm 8 cm 12 cm*** 4.... 
physics
in the searler's metod to determine the young's modulus of a wire , a steel wire of length 156cm and diameter 0.054cm is taken as experimental wire. the average increase in length for 1 1/2 kg wt is found to be o.o5o cm.Then young's modulus of the wire? ANS: 1.)2.002* 10^11 N/m 
math
Pairs of markings, a set distance apart, are made on highways so that the police can detect drivers exceeding the speed limit. Over a fixed distance, the speed R varies inversely with the time T. For one particular pair of markings, R is 35mph when T is 6 seconds. Find the ... 
physics
Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 52 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera tion of the Earth during the student’s fall. Answer in units of m/s2. 
Physics
Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 44 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera tion of the Earth during the student’s fall. Answer in units of m/s2. 
Physics
A 910kg object is released from rest at an altitude of 1200 km above the north pole of the earth. If we ignore atmospheric friction, with what speed does the object strike the surface of the earth? (the polar radius of the earth is 6357 km) 
Biology
Plant + Deer + Tiger The first step in the energy chain that created the bonds of proteins in the tiger's muscle cells in the food chain shown above is the A. deer the tiger ate. B. plant the deer ate. C. photons the sun made. D. carbohydrates the plant made. I think it is D. 
science
Plant~Deer~Tiger The first step in the energy chain that created the bonds of proteins in the tiger's muscle cells in the food chain shown above is the A. deer the tiger ate. B. plant the deer ate. C. photons the sun made. D. carbohydrates the plant made. i think B 
3rd grade
Mr. McWilliams drove 76 miles Monday and 43 miles Tuesday. Follow the steps to find how many miles Mr.McWilliams drove all together. 1. Estimate the total distance Mr.McWilliams drove. 2. Find the actual total distance. 
Physics
On a day when atmospheric pressure if 76cmHg, the pressure gauge on the tank reads the pressure inside to be 400cmHg. the gas in the tank has a temperature of 9 degrees celcuis. If the tank is heated to 31 degrees celcuis by the sun, and no gas exists, what will the pressure ... 
math
screen sizes (TVs, computers) are given by measuring the length of the diagonal. If the base length of a 40inch TV is 32", what is the surface area of the TV screen? (think about what you need to know to compute the area of a rectangle) 
Math
A rectangle has sides of length x cm and 2x  4cm and the length x cm at time t seconds is given by x = 2 + 3t, (t>=0) . Show that the area, A cm^2 , the rectangle, in terms of t is A =12t + 18t^2 . Hence find the rate of change of the area at the instant when t = 2. 
Science
Describe the difference and function between how plant cells and animal cells obtain food. I put something like plant cells get food by photosynthesis, using chloroplast, sun, water, and carbondioxide. animal cells get food by digesting water, meat, vegetables, nutriends, ... 
Physics
If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same. The length of the ... 
math
Forensic specialists can estimate the height of a deceased person from the lengths of the person's bones. These lengths are substituted into mathematical inequalities. For instance, an inequality that relates the height h, in centimeters, of an adult female and the length f, ... 
Data Analysis
A manufacturing company wishes to estimate the number of items that its workforce can produce on average each hour now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly production rates for these 8 ... 
Math
T 1971 1982 1992. 2003 P. 4. 5. 6. 7 Find slope of each line segment connecting consecutive data points from the table M1= M2= M3= Does the polynomial 0.09t175 give a good estimate for the world population in year t? 
~~~~~College Algebra
Question: Various models have been used to make projections of growing populations. Thomas Malthus made one of the most famous conjectures of such a model in the early 19th century. Within Malthus’ claim was that the population of Earth would inevitably outstrip its means of... 
Physics
I'm having some trouble with this question A 4200kg rocket is traveling in outer space with a velocity of 120m/s toward the Sun. It needs to alter its course by 23 degrees, which can be done by shooting is rockets briefly in a direction perpendicular to it’s original motion... 
English
1.With a cool, silent determination (that seemed to be instinctive), the kitten stalked and pounced on the ball of the yarn. 2.The fans were cheering (as though they had just won the national championship). 3.(As the sun set), a feeling of peace came over the campers. 4.... 
statistics
On average, a sample of n=100 scores will provide a better estimate of the population mean than would be obtained from a sample of n=50 scores. (True or False) 
Nuclear Physics
A meteorite has landed at UOIT! Chemical analysis shows that it contains 1 gram of potassium and 1E5 grams of argon, assumed to be present entirely from the decay of K40. Assuming that no argon has escaped the meteorite, estimate the age of the meteorite. Data given: Natural... 
Statistics
Scores on the 1995 SAT verbal aptitude test among Kentucky high school seniors were normally distributed with an average of 420 and the SD of 80. Scores on the 1995 SAT quantitative aptitude test among Kentucky high school seniors were normally distributed with an average of ... 
Chemistry (PLEASE HELP)
Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no longlived radioactive byproducts. The Sun is a nuclear fusion reactor. I tried ... 
physics
Suppose the charge q2 can be moved left or right along a line connecting charges q1 and q3. Given that q = +15 µC, find the distance from q1 where q2 experiences a net electrostatic force of zero? (The charges q1 and q3 are separated by a fixed distance of 36 cm.) q1=+q, q2=... 
Computer Science/Excel
Here's the problem: John believes that the average American will be in debt forever. He decides to create a table that demonstrates this. He thinks that given 60 months (5 years) to get out of debt and the annual percentage rates 15 and 715 the percentage of the balance ... 
Math
This is a question on a study guide for a test tomorrow. How do you do it? Please help According to the Federal Highway Administration, teenage males drive an average of 10,718 miles each year. Assume the mileage totals are normally distributed with a standard deviation of ... 
math
This is a question on a study guide for a test tomorrow. How do you do it? Please help According to the Federal Highway Administration, teenage males drive an average of 10,718 miles each year. Assume the mileage totals are normally distributed with a standard deviation of ... 
algebra
Your research the average cost of whole milk for several years to look for trends the table shows your data what is the equation for a line of best fit how much would you expect to pay for a gallon of milk in the year 2023 Year, 1998, 2000, 2002, 2004, 2006, 2008 Cost, 2.58, 2... 
PRE ALGEBRA
THE AVERAGE WEIGHT W (IN POUNDS) OF AN ATLANTIC COD AGED t YEARS CAN BE MODELED BY THE EGUATION W=1.16(1.44)^t. FIND THE RATIO OF THE WEIGHT OF A 5 YEAR OLD COD TO THE WEIGHT OF A 2 YEAR OLD COD. EXPRESS THIS RATIO AS A POWER OF 1.44!!!!!! HOW WOULD I DO THIS??? PLEASE HELP... 
math
Over the river and through the woods to grandpa's house the smith grandchildren go. They drive 120miles to reach grandpa's house and the same distance back home. 1) It took 1.2hours to get halfway there. What is their average speed, in miles per hour, for the first 1.2hours of... 
physics
Drift velocity is best defined as a. the relationship between current and current density b. the number of mobile electrons per volume c. the number of mobile electrons per length d. the flux of the current density through a given area e. the average speed of the motion of the... 
Intermediate Algebra
The length of the side of a rectangle desk is given by 2x6y cm. The lenght of the front is given by 2x+6y cm. What is an algebraic expression for the area of the top of the rectangular desk? Include correct units as part of your answer. 
physics
An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20 s. It then turns left 30.0 degrees and walks in a straight line another 10.0 cm in 1.90 s. Finally, it turns another 70.0 degrees to the left and walks another 10.0 cm in 1.60 s. a)... 
physics
An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20 s. It then turns left 30.0 degrees and walks in a straight line another 10.0 cm in 1.90 s. Finally, it turns another 70.0 degrees to the left and walks another 10.0 cm in 1.60 s. a)... 
physics
An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20 s. It then turns left 30.0 degrees and walks in a straight line another 10.0 cm in 1.90 s. Finally, it turns another 70.0 degrees to the left and walks another 10.0 cm in 1.60 s. a)... 
Physics
An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.00 s. It then turns left 30.0 degrees and walks in a straight line another 10.0 cm in 1.90 s. Finally, it turns another 70.0 degrees to the left and walks another 10.0 cm in 1.40 s. A. ... 
chemistry
Calculate the theoretical percentage of water present in cobalt (II) chloride hexahydrate, given that the molar mass is 237.93 g/mol and the molar mass of water in the compound is 108.12 g/mol. Question 8 options: 220% 50.5% 6% 45.4% 
Math
The area if a square is 67 square meters. Estimate the length of each side of the square to the nearest tenth. 
Maths
Calculate the density of earth given that its mass is 5.98x10^24 kg and volume is 8.78x10^8 m/s