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

21,053 results, page 55-
## Medical Coding

Fill In The Blank. Read the following report(s) to answer the fill in the blank questions. Place the correct code(s) in the space provided. If more than one code is necessary separate the codes with a comma. Operative Report INDICATIONS: The patient is

*asked by Cuki on January 5, 2010* -
## Grammar and Composition

ok, after i posted this yesterday: ok, now that i have my pet peeve, i have to fill out this sheet. (please read my earlier post for more info on the assignment) Pet Peeve--Organizational Sheet Audience: Who will be your audience? You must indicate an

*asked by y912f on November 9, 2009* -
## English

May I take your order? May I have your order? (Are both OK? Which one is popular?) 1. Yes, I'll have a fish sandwich and a Coke. 2. Yes, I'll have a fish sandwich and a coke. (When answering the question, do we have to capitalize "C" in Coke?)

*asked by rfvv on June 11, 2014* -
## physics

The table shows the power ratings of four electrical appliances. Fan heater 2 kW Oven 3 kW Kettle 2 kW Microwave oven 0.75 kW The kettle is used for a total of 30 minutes a day. It has an efficiency of 0.9 What is the cost of the energy wasted by the

*asked by Aaron on March 1, 2011* -
## Biology

1. Muscles are grouped in antagonistic sets because: A. muscles cannot lengthen by themselves. B. muscles push but cannot pull. C. they do not like one another. D. there is an increase in metabolic efficiency if they are present in antagonistic sets. is it

*asked by Amy on August 10, 2013* -
## Chemistry

Assuming an efficiency of 38.60%, calculate the actual yield of magnesium nitrate formed from 145.9 g of magnesium and excess copper(II) nitrate. I got 230.5g but it isn't right.. I got 6 mols of Mg then calculated molar mass of Mg(NO3)2 and got 148.31 and

*asked by Clare on April 22, 2014* -
## Discrete Mathematics

In order to look like you are educated and you care about important things, you go to a place that sells books by the foot (these places actually exist; specify the color of books you want, and they send them to you). When your order is delivered, you nd

*asked by Nosheen on April 30, 2016* -
## quantitative methods for business

Cress Electronic Products manufactures components used in the automotive industry. Cress purchases parts for use in its manufacturing operation of different suppliers. One particular supplier provides a part where the assumptions of the EOQ model are

*asked by trai on July 19, 2013* -
## Math Word Problems

Citydog Screen Printers received two orders for a t-shirt designed for a math symposium. The first order was for 40 shirts at a total cost of $295 and the second order was for an additional 80 shirts at a total cost of $565. Each order included a shipping

*asked by Lisa on September 14, 2007* -
## English Now

Correct any errors found.Thank you! Thank you for your request for a credit card with our store. Before we can issue you a credit card, we must ask you to furnish the information on the enclosed credit application. When we receive it we will process your

*asked by angela on February 24, 2011* -
## ENGLISH

Please read for errors and correct them. Thank you for your request for a credit card with our store. Before we can issue you a credit card, we must ask you to furnish the information on the enclosed credit application. When we receive it we will process

*asked by Angel on February 24, 2011* -
## Business

Data Envelopment Analysis (DEA) is a method for: (Points : 1) measuring a firm's quality performance by comparing it with other companies that are recognized as "best in class." determining the feasibility of technological innovations in service

*asked by Christopher on December 7, 2016* -
## chemistry(check my explanation)

sorry to repost this question but i'm confused on this part The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information like you said earlier, borax dissolves

*asked by eng on April 6, 2010* -
## Math

Once a month a fast food chain offers a special when a coach brings in a team. Buy 5 hamburgers and get one free. This month, a team goes in after their game. Each person had one hamburger. Each of the players had a soda @ $.50 each and shared an order of

*asked by Nikki on May 10, 2011* -
## 5th Grade Math

Once a month a fast food chain offers a special when a coach brings in a team. Buy 5 hamburgers and get one free. This month, a team goes in after their game. Each person had one hamburger. Each of the players had a soda @ $.50 each and shared an order of

*asked by Nikki on May 10, 2011* -
## chemistry

1 _____is defined as one-half of the distance between the nuclei of two adjacent metal atoms in the close packed crystal lattice ionic radius metallic radius covalent radius atomic radius 2 Except for rubidium and caesium, all common cations are smaller

*asked by mike on April 23, 2012* -
## English

I left out the following sentences. Thank you. 1)Of (among?) the toothed whales Narwhal whales are his favourite. They are known for their unicorn-like tusk that grows (springs?) from their forehead, in the male of the species. This can be up to three

*asked by Henry2 on November 6, 2011* -
## Calculus

Let f be the function defined for x >or= to 0 with f(0)=5 and f', the first derivative of f, give by f'(x)=e^(-x/4)sin(x^2). A) Use the graph of f' to determine whether the graph of f is concave up, concave down, or neither on the interval 1.7

*asked by Leanna on February 10, 2011* -
## Physics

Question 2. 3 Consider a box that explodes into two pieces while moving with Fig. 9-24 a constant positive velocity along an x axis. If one piece, with mass : m1, ends up with positive velocity v1, then the second piece, with : mass m2, could end up with

*asked by Michelle on April 1, 2013* -
## MATH

What are the 3 property names of addition? 1. The Zero Property of Addition- Adding 0 to a number leaves it unchanged. We call 0 the additive identity. 2.Commutative Property of Addition- switching the order of two numbers being added does not change the

*asked by Trey Johnson on August 30, 2005* -
## physics

A monochromatic light illuminates a double slits system with a slit separation, d =0.3 mm. The maximum of the first order occurs at y = 4.0 mm on a screen placed at 1.0 m from the slits. Find the: a)Wavelength b)Distance between the central maximum and the

*asked by aiman on August 15, 2015* -
## chemistry

the reaction A+3B->2C+D is first order with respect to reactant A and second order with respect to reactant B if the concentration of A is doubled the concentration of B is halfed and the rate of the reaction would -------by a factor of --------

*asked by ruth on March 3, 2016* -
## chemistry

the reaction A+3B->2C+D is first order with respect to reactant A and second order with respect to reactant B if the concentration of A is doubled the concentration of B is halfed and the rate of the reaction would -------by a factor of --------

*asked by ruth on March 3, 2016* -
## chemistry

the reaction A+3B—>2C+D is first order with respect to reactant A and second order with respect to reactant B if the concentration of A is doubled and the concentration of B is halved the rate of the reaction would---------------by a factor of-----------

*asked by ruth on March 3, 2016* -
## Math exponents

Please explain how to get the prime factorization in exponent form as in example the number 24. What would be the exponent form? Thx, J The factors are 2 and 3. The prime factorization of 24 is (2^3)*3 We would say that 2 has order 3 and 3 has order 1.

*asked by Jillian on September 11, 2006* -
## Science

What is the difference between conserving energy and energy efficiency? What are 5 benefits of conserving energy?

*asked by Anonymous on June 11, 2014* -
## Math

At time t = 0, a set of three points A, B and C forms an equilateral triangle of side 6 cm. If two of the sides of the triangle are decreasing in length at the rate of 0.1 cm/sec and the third side is increasing at the rate of 0.1 cm/sec, how long will it

*asked by ABhi on December 2, 2015* -
## science - magma

Magmas which have different chemical compositions have different temperatures i.e basaltic magmas erupt at about 1200 °C whereas rhyolitic magmas erupt at about 700 °C. what is the difference in chemical composition between these two? also why can the

*asked by rebecca niles on March 28, 2011* -
## maths

the non- decreasing sequence of odd integers {a1, a2, a3, . . .} = {1,3,3,3,5,5,5,5,5,...} each positive odd integer k appears k times. it is a fact that there are integers b, c, and d such that, for all positive integers n, añ = b[√(n+c)] +d. Where [x]

*asked by fui on November 11, 2016* -
## Algebra

A 5 digit positive integer is a "mountain number" if the first 3 digits are in ascending order and the last 3 digits are in descending order. For example, 35 761 is a mountain number, but 32 323 and 35 655 are not. How many 5 digit numbers greater than 70

*asked by Jack on April 2, 2011* -
## math

If you earn the grades of 81, 84, 78, 80 in four tests what should your final test’s score be in order to have an average of 81%? .81x400=324 Need a total of 324 pts Test grades so far 81,84,78,80 = 323 324-323=1 You need at least one more point in order

*asked by Anonymous on September 10, 2009* -
## Math

A bank account balance for an account with an initial deposit of P dollars earns interest at an annual rate of r. the amount of money in the account after n years is described using the following expression: P(1+r)^n. What effect, if any, does decreasing

*asked by Tahir on August 30, 2018* -
## gen studies

identify the advantages and disadvantages of organizational structure. how it affects day to day operation of managing a counseling center for domestic abuse victims

*asked by lele on December 15, 2008* -
## Political Science

What are the factors that keep an ideology alive? How does an ideology survive through decades? Is it because of the people, economic structure of a state or simply that once an ideological concept has been developed that it cannot truly disappear?

*asked by Larry on October 10, 2012* -
## Chemistry

A compound contains 25.19% S and 74.81% F. Its density is 10.05 g/L at 35 degrees C and 1.00 atm. Draw the Lewis structure for this compound. Determine its shape, polarity, hybridization and any nonzero formal charges.

*asked by Ceamus Angelina on April 25, 2018* -
## Chemistry

I don't really get the question that my teacher told us to do for her class. The essay says to write a one page paper about a topic concerning electronic structure. I don't know what to do, and what to start writing about?

*asked by sam on November 15, 2009* -
## Political Science

What are the factors that keep an ideology alive? How does an ideology survive through decades? Is it because of the people, economic structure of a state or simply that once an ideological concept has been developed that it cannot truly disappear?

*asked by Larry on October 14, 2012* -
## English (quick Sentence)

Hi Teachers, I wrote a sentence in which i think has a wrong sentence structure. Will you correct me with it, please? When his daughter told us of what he said we promised that we will all be in part of helping him and making him feel like family.

*asked by Liz on May 29, 2012* -
## English

Writers often make common errors by writing the way they speak. Identify and explain the sentence structure error in the following sentence: Because Belinda wants to move to California.

*asked by anonymous on December 9, 2014* -
## science

This simple bacteria cell has the same structure as more complex cells. It controls what comes in to and leaves the cell and also maintains homeostasis. It is the A) capsule. B) cytoplasm. C) membrane. D) wall.**

*asked by jasmine on September 25, 2018* -
## ORGANIC CHEM QUESTION

I can't figure out how to draw the structure of beta-valerolactone. Since it's beta I thought it would have a four mem-ring but when I do this I keep getting it wrong. It says the 5 carbons are supposed to be arranged in a linear chain, help please!

*asked by Tessa on April 9, 2017* -
## chem

What is another name for cardamist? Please write the formula and a link to its structure. See http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-is-cardamist.shtml

*asked by Nisar on September 4, 2005* -
## Science

Watson and Crick, two amazingly intelligent scientists of our time, realized that DNA’s structure had to be compatible with four separate roles. Can a few of you please comment on these four roles and why they are so important?

*asked by Lynn on April 25, 2008* -
## Chemistry

Metallic sodium adopts a body-centered cubic structure at 25 degrees C and 1 atm. The density of sodium under these conditions is 0.97 g/cm^3. What is the unit cell length?

*asked by David on January 2, 2008* -
## CHEM

One other question that I am really not 100% sure on: how do I draw the electron-dot structure for: CHClO. I "think" that CHClO is a trigonal planar molecule, with the central atom being carbon. Is this correct?

*asked by K on November 27, 2007* -
## Biology

state the highest category of biological molecule in your food - carbohydrates, lipids, or proteins. describe the structure of this type of molecule, and its primary functions

*asked by Sugar on October 4, 2008* -
## Technology

If you were a housing contractore how would you go about avoiding structure failure in the house that you build in terms of:1 poor design 2 incorrects choice of materials 3 poor workmanship

*asked by Audrey on March 21, 2011* -
## chemistry

Heyaa,, I need help to solve this problem!1 Sodium chloride has a giant ionic structure, it has a melting point of 801c. How could you use this information to set up an alarm that sounds when the temperature in a reaction vessel gets above 800c? Thanks x

*asked by Sharon on March 24, 2011* -
## Biochemistry

What type of interaction would most likely form in a tertiary structure of a protein? Lysine Tyrosine Asparagine Leucine Glutamic Acid Threonine Isoleucine Methionine I don't understand this at all. Much help is greatly appreciated.

*asked by Tommy on September 14, 2011* -
## math

1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within

*asked by Anonymous on September 26, 2009* -
## Science

I'm trying to figure out the ratio of floor to window space needed for passive solar heating...some sources say windows should be equivalent to 8% of the floorspace, others 80%? What do you think is the most realistic?

*asked by Heather on April 12, 2011* -
## Math

How many tiles of length 8cm breath 5cm are needed to tile a floor of dining space which is 400 cm long and 300 cm wide

*asked by Anonymous on January 17, 2016* -
## fundamental concepts

Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time a.

*asked by Luis on February 15, 2015* -
## Living a Healthy Life

The National Association for the Education of Young Children recommends a minimum of _______ square feet of usable floor space per child. A. 50 B. 10 C. 35 D. 45 C.

*asked by Amanda on November 22, 2014* -
## Maths

How much air space is contained inside a rectangular cardboard box that has the dimensions 85 cm by 62 cm by 36 cm. Answer using cubic metres correct to two decimal places.

*asked by simone on April 18, 2017* -
## science

Three very small spheres of mass 3.00 kg, 5.00 kg, and 3.00 kg are located on a straight line in space away from everything else. The first one is at a point between the other two, 13.0 cm to the right of the second and 24.0 cm to the left of the third.

*asked by Rachel on June 27, 2012* -
## early childhood education

which one of these factors is most likely to determine the total number of children you can take into your facility (a)physical space available (b)childreds need (c)staff members skills (d)program philosophy

*asked by rowan on June 22, 2011* -
## science

Grapic organizer.show details that support this main ideals.thermal energy moves through solids liquid, gases and space

*asked by anonymous on December 3, 2012* -
## physics

The earth's atmosphere extends to a height of nearby 200KM above its surface there many be explosion and noises taking place in the outer space but we do not hear them.why?

*asked by Vivek on January 3, 2012* -
## a&p

If an astronaut returned to earth after a 180 day stay in a weightless space station he would have a decrease in bone mass? true or false?

*asked by sam on May 4, 2008* -
## critical thinking

Which of the following is not a way to succeed in college? A. Be flexible with planning activities B. avoid procrastination C. establish realistic goals for yourself D. organize a work space my answer is b.

*asked by Saddia on March 22, 2015* -
## Physical Science

Harry takes a space voyage and returns to find his twin sister has aged more than he has. This is evidence that they have been in a different....? health plan :-) spcae times

*asked by Gina on March 30, 2007* -
## Physics

Two identical particles, each of mass 1400 kg, are coasting in free space along the same path. At one instant their separation is 30.0 m and each has precisely the same velocity of 820 m/s. What are their velocities when they are 4.00 m apart?

*asked by tmigs on June 2, 2010* -
## Humanities

The style that fills the picture space with figures and uses bright colors and lots of gold is called? a. Romanesque b. Renaissance c. three-dimensional d. gothic e. none of the above

*asked by Marilu on January 30, 2009* -
## early childhood

which of the following is best suited to a formative assessment of progress 1. muscular strength snd endurance 2. body fat analysis 3. flexibility 4. qwareness of self and space

*asked by mary on March 14, 2013* -
## From theory and practice

Which of the following is best suited to a formative assessment of progress? A. Muscular strength and endurance B. Awareness of self and space C. Body fat analysis D. Flexibility My answer is B

*asked by Amanda on July 16, 2015* -
## adult education

How do a write this sentence so it is parallel. Every town and city needs more parking space and places where people can recreate, and to have more money from taxes to pay for these things.

*asked by Toni on October 27, 2008* -
## english pt.2

I acquired a strong foundation of writing skills, including the ability to write op-eds, proposals, and memos. Throughout my studies I demonstrated the ability to be a team player who enjoys team settings yet maintains efficiency when working alone to

*asked by ann on December 17, 2015* -
## Calculus

Suppose that f(x)=3x^3+3x. Find all critical values of f. Then use interval notation to state when f(x) is increasing and when f(x) is decreasing and to state when f(x) is concave up and concave down. Find the local maxima and local minima. Find all

*asked by Skirby on November 6, 2013* -
## ecoc

TC=50+16 Q -2 Q2+0.2 Q3 a.plot this curve for quantites 1 to 10 b.calculate the average total cost,average variable cost, and marginal cost for these quantities, and plot them on another graph c. discuss your results in term of decreasing,constant, and

*asked by kim on August 9, 2007* -
## Calculas

(Inventory Cost) A shopkeeper finds that the cost C of ordering and storing the latest laptop is C = 2 x + (300000 / x), where x is in the interval [1, 300]. The delivery of truck can bring at most 300 units per order. (a) Find the order size that will

*asked by matthew on December 16, 2011* -
## Physics

On a postition versus time graph to find the acceleration you would simply find the area under the graph right? and how would you figure out whether acceleration is increasing, decreasing, constant of unknown from a graph? My guess is that the accereration

*asked by Tammy on September 21, 2007* -
## Physics

A student uses a bottle opener to find that a force of 15 N must be exerted to lift a cap 1.4mm. The opener has a velocity ratio of 16 and efficiency of 90% (a) What is the mechanical advantage of the opener? (b) What force is applied to the bottle cap?

*asked by Mohammedabbas on July 7, 2009* -
## Physics

Your dog has been diagnosed with a terminal illness for which there is no cure. The Veterinarian expects that it will live for 1 year before it succumbs to the condition. You have the idea that if you could keep the dog alive a little longer, a cure might

*asked by Jon on January 22, 2010* -
## physics

With each cycle, a 2650-W engine extracts 2330 J from a thermal reservoir at 85.1°C and expels 1840 J into a thermal reservoir at 20.9°C. a) What is the work done for each cycle? b) What is the engine's efficiency? c) How much time does each cycle take?

*asked by maria on January 1, 2012* -
## Chemistry

A Power plant rated at 800 MegaWatts generates steam at 585 K and discards heat to a river at 295 K. If thermal efficiency of plant is 70% of maximum value, how much heat is discarded to river at rated power? Please help with steps on how to solve this

*asked by Levi on September 28, 2014* -
## Business Math

Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the

*asked by Angela on October 19, 2011* -
## Please help-Math

Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the

*asked by Angel on October 19, 2011* -
## Math

Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the

*asked by Angela on October 19, 2011* -
## chemistry

can you explain how to find the bond order of (σ1s)^2(σ1s*)^2(σ2s)^2(σ2s*)^2(σ2p)^2(π 2p)^4(π 2p*)^2... I know that Bond order = (number of bonding electrons - number of antibonding electrons)/2 but i have no idea what to do..

*asked by Sarah on July 4, 2013* -
## Calculus

Can someone help me finish this question... I got most of the answers but need help. Suppose that f(x)=3x−6x+5. (A) Use interval notation to indicate where f(x) is defined. If it is defined on more than one interval, enter the union of all intervals

*asked by Nicola on November 27, 2011* -
## Calc

Ralph is taking his final exam. After t minutes into the exam Ralph has correctly solved P(t)=-.001t^3+.078t^2+.16t problems. a) at what time was Ralph solving problems most efficiently? b) at what time did Ralph's efficiency decline?

*asked by Britt on December 10, 2007* -
## PHYSICS NEED HELP FAST

A power plant has a power output of 1055 MW and operates with an efficiency of 33.0 percent. Excess energy is carried away as heat from the plant to a nearby river that has a flow rate of 1.1 x 10^6 kg/s. How much energy is transferred as heat to the river

*asked by ricki on March 2, 2011* -
## trig

A spring is attached to the ceiling and pulled 17 cm down from equilibrium and released. After 3 seconds the amplitude has decreased to 16 cm. The spring oscillates 13 times each second. Assume that the amplitude is decreasing exponentially. Find an

*asked by Tricia on August 18, 2014* -
## Chemistry

Quick question: How can I be sure that a slow reaction is not running out of reagents? Thanks The question is too general for a quick answer. Depending upon the reaction, intensity of color (either decreasing or increasing) might be one way, the odor of a

*asked by Chrissy on April 24, 2007* -
## Math

Hello! I am not asking for the answer to this question, I am asking for a step-by-step explanation. Mr. Green band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 9 students

*asked by The Philly Inquirer on March 31, 2016* -
## physics

a 65 kg object is pulled at a constant velocity up an incline w/ a force of 95 N parallel to the incline. Assuming that the difference between the work output and input is work required to overcome friction, what is the force of friction along the incline

*asked by Jun on April 8, 2011* -
## math

1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within

*asked by Sequoiao9 on May 23, 2010* -
## Finance

AQ&Q has EBIT of $2 million, total assets of $10 million, stock holder’s equity of $4 million, and pretax interest expense of 10 percent. a) What is AQ&Q’s indifference level of EBIT? b) Given its current situation, might it benefit from increasing or

*asked by Anonymous on June 16, 2013* -
## Finance

AQ&Q has EBIT of $2 million, total assets of $10 million, stockholders' equity of $4 million, and pretax interest expense of 10 percent. A. What is AQ&Q's indifference level of EBIT? B. Given its current situation, might it benefit from increasing or

*asked by Anonymous on March 5, 2013* -
## Math

Find the intervals on which the function is increasing, decreasing, concave up, or concave down and find any local extreme values and inflection points. So I know how to do the above, but not with piece wise functions. Someone help me out? Y={3-x^2, x=0} I

*asked by Beth on February 3, 2016* -
## Math-precalc

Is it possible to find a rational function that has x-intercepts (-2,0) and (2,0), but has vertical asymptote x=1 and horizontal asymptote of y=0? The horizontal asymptote and the x-intercepts parts stump me. If you can't reach y=0, then how can you get

*asked by Pamela on July 7, 2007* -
## math

the lengths of two legs of a right triangle depend on time. One, whose length is x increase at the rate of 5 feet per second, while the other, of length y, decreases at the rate of 6 feet per second. At what rate is the hypotenuse changing when x=3 and

*asked by Aaron on November 26, 2012* -
## calculus

Boyle's law states that if the temperature of a gas remains constant, then PV = c. Where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in.^3/s, at what rate is P

*asked by Hussain on May 3, 2010* -
## Calculus

A spotlight on the ground is shining on a wall 24\text{m} away. If a woman 2\text{m} tall walks from the spotlight toward the building at a speed of 0.6\text{m/s}, how fast is the length of her shadow on the building decreasing when she is 2\text{m} from

*asked by Spencer on December 8, 2015* -
## Algebra

Im having a hard time figuring out this problem: Use the function, y=-(x+1)^2 +2, to answer the following parts. Find the y-intercept y=-(0+1)^2 +2 y=-(1)^2 +2 y=-1+2 y=1 is my answer Find the x-intercept 0=-(x+1)^2 +2 0=-((x^2)+(1^2))+2 0=-x^2 - 1 + 2

*asked by Mike on May 4, 2011* -
## math

Let f(x) be a polynomial of degree 3 which has a critical point at(-1,8/3) and an inflexion point at(2,-46/3) (a)Determine f(x) . (b) Find another critical point of f(x) (if any). (c) Determine the intervals where f(x) is increasing and where it is

*asked by weloo_volley on April 21, 2012* -
## Algebra

The Reptile Farm has 400 square feet in which to house a collection of new lizards and frogs. A lizard requires 2 square feet of living space and costs $6 per month to feed. A frog also requires 2 square feet for living space but costs only $1 per month to

*asked by Anonymous on August 2, 2018* -
## Physics

Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightward-pointing force of magnitude 15 N is applied to the left-most block. Suppose now that the left-right

*asked by Raji on February 21, 2011* -
## physical science

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? A. 92 percent B. 94 percent C. 97 percent D. 96 percent

*asked by Unmei on May 27, 2014*