Rank the crystal lattice structures in order of decreasing efficiency of space in the structure.

20,691 results, page 99

math

Explain whether the following statement is true or false: “The ordered pair (1,5) is the same as the order pair (5,1).”

physics

What would the density of a sphere of radius 1.07 m have to be in order to produce a gravitational acceleration of 1.01 m/s2 at the surface of the sphere?

physics

What would the density of a sphere of radius 1.07 m have to be in order to produce a gravitational acceleration of 1.01 m/s2 at the surface of the sphere?

Computers (internet)

What steps would it take you take to discover if the article was accurate? Please list them in order.

CHEMISTRY

GIVE THE BOND ORDER FOR EACH BOND IN THE FOLLOWING MOLECULES OR IONS: CH2O,SO32-,NO2+,NOC1

Business

This technology allows the online learner to connect to the online school in order to access the courses is called what?

math

i'm a four digit number having all the digits odd except 9 and the digits are in ascending order. who am i?

Algorithms

Arrange the following functions in increasing order of growth rate (with g(n) following f(n) in your list if and only if f(n)=O(g(n))). a)2^2^n b)2^n^2 c)n^2 * log(n) d)n e)n^2^n

Math

If Mia receives $72.20 for $1,805.00 in sales, how much must her sales be in order to receive $150 in commission

math

the associative property allows you to change the order of terms in an expression. true or false my guess is True

Pre-Calculus

Describe the function resulting from reflecting f(x)=x^3+2x^2-x+5 about the x-axis and then the y-axis. Does the order of the reflections matter?

Geometry

Four friends order a 12 inch diameter pizza to share equally. how much pizza does each receive?

total quailty management

Once we get our implementation started, what do we need to do in order to sustain our momentum?

Literature

In which part of the plot of "An Amateur Peasant Girl" does Liza dress up as a peasant in order to meet Alexei?

Science

a(n) ____ occurs during the design process when one benefit is given is given up in order to obtain another thanks

math

a(n) ____ occurs during the design process when one benefit is given is given up in order to obtain another thanks

Programming Logic and Design

Design an application that accepts eight friends' first names and displays them in alphabetical order

math

In a lottery game, a player picks 9 numbers from 1 to 43. How many different choices does the player have if order doesn't matter?

math

In a lottery game, a player picks 7 numbers from 1 to 45. How many different choices does the player have if order doesn't matter?

Math

In a lottery game, a player picks 7 numbers from 1 to 45. How many different choices does the player have if order doesn't matter?

Science

If 50% if reactant is converted to product in first order in 25 minutes.how much of it would react in 100 minutes?

Math

Write a word problem that will use the equation 2/6x8/10=x in order to solve. Then simplify and multiply to solve.

math

In a lottery game, a player picks 9 numbers from 1 to 43. How many different choices does the player have if order doesn't matter?

science

Which places the types of clouds in correct order from most thick and puffy, to most thin and wispy?

Biology

The human gene for the production of lactose is on chromosome 2. The dna nucleotide sequence of a small part from the middle is 123456789 TACTCGGAA I haVeTO WRITe DOWN THE EQVIVALENT SEQUENCE FOR MRNA AND HENCE WORK out the sequence of amino acids coded in this part of the ...

business

Rocky Mountain Tire Center sells 20,000 go cart tires per year. The ordering cost for each tire is $40, and the holding cost is 20% of the purchase price of the tires per year. The purchase price is $20 per tire if fewer than 500 tires are ordered, $18 per tire if 500 or more-...

Calculus

Transportation engineers use traffic flow data to design the timing of traffic lights at intersections. At a certain intersection, the traffic flow, F(t), is modeled by the function F(t)=82+4sin(t/2) when 0¡Üt¡Ü30 minutes, where F(t), in vehicles per minute, is the rate at...

Math

An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days ...

Physics

A certain number of identical resistors are connected in series and their total resistance is measured. When the resistors are disconnected and re-connected in parallel, their total resistance drops to one-percent of the value measured when they were connected in series. How ...

Science

Hi, I have to write an opinionated article on the safety problems in space. I have to wrtie the issues that occur during a lift-off which are ignored I have been unable to find a website that tells me issues that occur but are ignored or thought that because they have back up ...

chemistry

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure. Its formula can be written as Na2CO3·x H2O, where x is the number of moles of H2O per mole of ...

chemistry

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure. Its formula can be written as Na2CO3·x H2O, where x is the number of moles of H2O per mole of ...

Biology -- repost

(To whoever posted the first time -- DO NOT use any tutor's name where YOUR name should be. Impersonation of a tutor is not allowed on this website.) What are the biological terms of the following? 1.Reproductive structure in breadmould 2.acquired immunity obtained through ...

History

lesson 3 unit 5 ancient civilization in china 1. Which of the following is one of the notable achievements of early China? (1 point) A. a complex system of writing************** B. a single spoken language C. cotton textiles D. copper ore technology 2. How did the Zhou dynasty...

Math

A tree one hundred cubits high is distant from a well two hundred cubits; from this tree one monkey climbs dow the tree and goes to the well, but the other leaps in the air and descends by the hypotenuse from the high point of the leap, and both pass over an equal space. Find ...

Solar Energy Please Help

Consider a PV module with the following parameters as measured at STC (Standard Testing Conditions): Voc = 55 V; Isc = 5 A; Impp = 4.7 A; Fill Factor = FF = 75% ; Efficiency = 19.75%. Suppose that under normal operation at STC conditions, the module is not connected to an MPPT...

Economics

I'm reposting this as I did not receive a response. Posted by Dwane on Wednesday, November 22, 2006 at 1:23pm. I pasted the problem I am to solve below. I missed the first week of class, so the professor told me to do this case as a make-up assignment; however, we are not ...

Science

If one rabbit had brown fur and another has black fur, what conclusion can you draw about the rabbits' genetic codes? A. The order of bases in the section of DNA that codes for fur color in the brown rabbit cannot be read by mRNA. B. The genetic code of the rabbit with black ...

English

Could you check the following statements, please? My doubts concern the words before the parentheses.I really hope you can help me!! 1) Elizabeth believes her closest friend Charlotte has demeaned herself in (?) marrying Mr Collins. Though she is disappointed with her choice, ...

math

A farmer is planting squashplants that need 2 3/8 feet to spread out. he has an area along a fence that is 20 feet long. Round the amount of space the squash plants need to the nearest 1/2 foot. How many squash plants can the farmer grow along the fence?

Physics (been trying all day)

A 62.6 kg astronaut is on a space walk when the tether line to the shuttle breaks. The astronaut is able to throw a 11.0 kg oxygen tank in a direction away from the shuttle with a speed of 13.3 m/s, propelling the astronaut back to the shuttle. Assuming that the astronaut ...

Math

There are about 7 billion people on Earth. Suppose that they all lined up and held hands, each person taking about 2 yards of space. a. How long a line would the people form? b. The circumference of the Earth is about 25,000 miles at the equator. How many times would the line ...

english

15. In Langston Hughes’s short story “Why, You Reckon?” what motivates the narrator to get involved in a scheme to rob a white person? (1 point) greed—he wants to earn more money in order to buy nicer things hunger—he needs the money to buy more food anger—he is ...

math

a model of a solid structure in the shape of frustum of a cone with hemispherical top. The diameter of the hemispherical part is 70 cm and is equal to the diameter of the top of the frustum. The frustum has a base diameter of 28 cm and slant height of 60 cm.) (a) The area of ...

English

1. Can you help me with this? 1-2. Can you help me do this? (Are both the same?) 2. Can you help me with cleaning the room? 3. Can you help me about cleaning the room? 3-1. can you help me clean the room? 3-3. Can you help me on cleaning the room? (Are they the same? Can we ...

I need help answering this question

On Aug 14th, One of our Partner's ( Compuville ) cash book showed a debit balance of $4,000.00. His bank statement showed a balance of $4,270.00. On comparison the following were found: * check issued amounting to $2,500.00 has not been cashed * The bank rejected checks ...

caculus

A 10-ft ladder rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 1 ft/sec, how fast, in ft/sec, is the top of the ladder sliding down the wall, at the instant when the bottom of the ladder is 6 ft from the wall? Answer with 2 ...

science

What is anything that has mass and takes up space? 1) Weight 2) Volume 3) Density 4) Matter When you measure the boiling point of mercury, you are investigating a ____. 1) Chemical change 2) Chemical property 3) Physical change 4) Physical property An object weighing 90 N has ...

chemistry

The structure of 2 - chlorobutane is shown below. a) which newman projection below represents the lowest energy state of butane? b)which newman projection below represents the highest energy state of butane?

College

My dream is to go to Harvard University. When I grow up I want to become an artist, & creative writer (like writing stories & stuff. Here are some questions I would like to ask you guys. Please answer these questions please I know I'm too young (age 12, 7th grade) but, I ...

physics

A landscape architect is planing an artificial water fall. Water flowing at 1.11 m/s will leave the end of a horizontal channel at the top of a vertical wall h=4.00 m high. Will the space behind the waterfall be wide enough for a pedistrian walkway? To sell her plan to the ...

Physics

A landscape architect is planing an artificial water fall. Water flowing at 1.11 m/s will leave the end of a horizontal channel at the top of a vertical wall h=4.00 m high. Will the space behind the waterfall be wide enough for a pedistrian walkway? b. To sell her plan to the ...

Honors Biology

The inability of defensin to function in high-salt environments is at least partly responsible for the pathology of this disease. Imagine that you are the director of a biotech company that specializes in manufacturing human proteins by producing them in yeast. Based on what ...

Honors Biology

The inability of defensin to function in high-salt environments is at least partly responsible for the pathology of this disease. Imagine that you are the director of a biotech company that specializes in manufacturing human proteins by producing them in yeast. Based on what ...

world history

lesson 3 unit 5 ancient civilization in china 1. Which of the following is one of the notable achievements of early China? (1 point) A. a complex system of writing************** B. a single spoken language C. cotton textiles D. copper ore technology 2. How did the Zhou dynasty...

check!

Posted by Anonymous on Thursday, February 22, 2007 at 12:20pm. The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron. Event 2: The resting ...

Physics Eletric fields and coulomb's law)

Please, I need the development and correct answer for this problem. I would really appreciate it. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far ...

english

Redarding the difference between fiction and nonfiction, which statement is most accurate A.writers of non fiction have no need to express passionate opinion B.nonfiction writers are more often free to move about in time and space C.nonfiction writers are free to emblish the ...

calculus (gr 12)

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How far does the...

calculus (gr 12)

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How far does the...

calculus (gr 12)

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How far does the...

calculus

6. The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How far does ...

Adv. Math

I don't understand these questions. I got them wrong on a test so I jus want to know what is the answer and how to do it: Which estimate is the best for 1/2 of 385? A)2 B)20 C)19 D)39 ____________________________________ The International Space Station is about 30 ft. from end...

physics

For a safe re-entry into the Earth's atmosphere the pilots of a space capsule must reduce their speed from 2.6 104 m/s to 1.0 104 m/s. The rocket engine produces a backward force on the capsule of 1.7 105 N. The mass of the capsule is 3800 kg. For how long must they fire their...

8th Grade Space and Earth Science

I have two questions about my study guide for my science test tomorrow. Thank you for any answers that I can get! How does the atmosphere give evidence for divine design? How can a satellite telephone user communicate if radio waves reflect off the ionosphere? Perspiration ...

math

Translate the following situation into an inequality. Do not solve. “Charlie would like to pack one less outfit than Jane for their trip. Loretta would like to bring five outfits less than twice what Jane packs. Due to space in the suitcase, they are limited to a total of 24...

Math

Which example describes measuring area? A. Measuring the height of the grass in a field B. Measuring the length around a field of grass C. Measuring the length from one end of a field to the other D. Measuring the amount of space that a field of grass takes up I think its C

language arts/ analogies

Complete the analogies by selecting the pair of words who's relationship most resembles the relationship of the pair in capital letters. SCOLD:CHASTISE:: a. echo: reverberate b. depart: embark c. praise: lionize d. increase: augment (I think it is either a or d) FOREBODING: ...

Statistics

Events A, B, and C are defines on sample space S. Their corresponding sets of sample points do not intersect and their union is S. Further, event B is twice as likely to occur as event A, and event C is twice as likely to occur as event B. Determine the probability of each of ...

physics

a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high can the same diver jump in the swimming area?

physics

a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high can the same diver jump in the swimming area?

physics

a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high can the same diver jump in the swimming area?

geometry

Describe the image of D first reflected across line l then across line m. You have the letter D then a line up and down L then a space and then a line up and down M. Not sure how to describe the image.

Physics

Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 635 rev/s. A point on one of the blades traces out a circle with a radius of 0.021 m as the blade rotates. (a) What is the magnitude of the ...

Capacitance (tricky)

Two parallel plates of area 41 cm.^2 have equal but opposite charges of 2.60E-07 C. Within the dielectric material filling the space between the plates, the electric field is 5.80E+05 V./m. Find the dielectric constant of the material. Feel like there is a huge lack of ...

poetry

"A Dream Deferred" What happens to a dream deferred? Does it dry up like a raisin in the sun? Or fester like a sore- and then run? Does it stink like rotten meat? Or crust and sugar over- like a syrupy sweet? Maybe it just sags like a heavy load. Or does it explode? By ...

Earth Science

A seismograph station is located 2000 km from an earthquakes epicenter. Explain the order that the S and P waves will arrive at the station.

Math

I am doing a scavenger hunt assigned by my sixth grade teacher and the beginning problem is 7<t please help me with the order of operations for this problem

damon

Professor, please email me. I need to have your email address in order to enable you to post hot links. Thanks.

math

Only one number is spelled in the English language with its letters in alphabetical order. What is the number? Is the correct answer eight?

chemistry

If the warm water in this experiment is at 98 °C, how much heat must be released in order for the temperature of 100. mL of water to decrease to 32°C?

KC

When a plane experiences a decrease in weight must there also be decrease in lift? I'm thinking the answer is yes in order to maintain equilibrium.

4th grade math

compare the mixed numbers. write <, >, or = ro each . 1. 1 1/3 > 1 5/8. 2. 6 5/6 < 6 2/6. order the mixed number froms least to greatest. 5 1/8, 5 2/3, 5 4/9.

chemistry

what are structural formulas?? also is this correct hybridization is the setting aside of p orbitals in order to form bonds (pi bonds)

Algebra

22=200X62. Do you divide by x, and then multiply the right side by 22? Or do you divide 22 by 200 and 62 but at different times? I know the order of operations but I don't get how to do this. Please help.

math

A custom order requires 13 1/4 grams of material that costs 11 1/2 ¢ per gram. Find the total cost of the material.

Programming & Algorithms

Consider the algebraic expression E=(2x+y) (5a-b)^3. Draw the tree T which correspond to the expression E and find the pre-order traversal of T.

Chemistry

A zero-order reaction has a constant rate of 3.20×10^−4 M/s. If after 35.0 seconds the concentration has dropped to 9.00×10^2M , what was the initial concentration?

Math6

Please help me with this. Using the numbers 3,5,6,2,54,and 5 in that order to write ane xpression that has a value of 100. (Numbers can be used as exponents).

MATH PLEASE HELP

x = 2 , 4 , 6 , 8 y = 18, 34, 50, 66 This is supposed to be a table where the x lines up with the y in order How would I find the equation to solve this when x = 20? x goes up by +2 y goes up by +16 but starts with 18

intermediate algebra

combine like terms. Write all answers in order. 9b5+3b2-2b5-3b2

Marketing

The process of naming broad product-markets and then dividing them in order to select target markets and develop suitable

Math

The sizes of four drill bits are 3/16inches 1/8inches 3/4inches 5/8inches. Put them in order from least to greatest?

Thermodynamics

Suppose an enzyme lowers the activation energy by an order of magnitude. What is the ratio of catalyzed rate to the uncatalyzed rate at at 25 °C? at 37 °C?

Math

Hi I am not good with math. Please tell me how to differentiate mixed numbers, order of operation,subtraction, divide and multiplication etc. Thanks!

math

how do you order fractions while estimating with different denominators including mixed numbers and improper fractions quickly?

Order of Operations

As you simplify each expression below, which one requires finding the quotient of 80 divided by 2 A.4+6x8/2 B.2x5x8/2 C.(2+5)x8/2 D.4+(6x8)/2 B?

Biology

Can you give me an order from 1 to 3 for the following materials, 1 being the best insulator and 3 being the poorest? styrofoam, plastic, aluminum

math

Please explain the order of operations for the formula 30 divided by 5 times 6 Do I do the multiplication first, or do I do the the operations from left to right?

physics

A document ys to be reproduced using a duplicating camera where should the document be placed in order to obtain an exact copy

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