# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 523-
## Physics

plane’s sound detector perceives the horn’s sound, the plane has traveled a distance equal to one-half its altitude above the ocean. If it takes the sound 1.658 s to reach the plane, determine the altitude of the plane. The speed of sound is 343 m/s.

*asked by Jack on April 23, 2018* -
## Physics

A force F acts to the right on a 4.81 kg block. A 2.53 kg block is stacked on top of the 4.81 kg block and can slide on it with a coefficient of friction of 0.2 between the blocks. The table has a coefficient of friction of 0.23. The acceleration of

*asked by Ahmed on September 28, 2014* -
## Health/ Basic Clinical Procedures

please chekc my answer thanks Chart notes are kept in A a three-ring binder with the insurance information on top B an electronic file with the doctor's name at the top C in alphabtetical order with the reults on the top left D chronological order with the

*asked by Helana on April 21, 2008* -
## math

The makers of Crinkle Crackers had a special offer: "collect 8 labels and get 1 bag free." Jim asked his friends for their labels. He collected 85 labels in all. How many free bags of crinkle crackers did he get? How did you solve? I think the answer is 10

*asked by Paige/Colton on November 7, 2008* -
## Material Sciences

A steel bar of length L and cross-sectional area A is fitted between rigid supports. Write an expression for the stress in the bar when the temperature is raised by an amount ΔT. Write your answer in terms of α,E and ΔT. Is the stress compressive or

*asked by qwerty on September 27, 2014* -
## Math

Jake has proven that a function, f(x), is a geometric sequence. How did he prove that? - He showed that an explicit formula can be created - He showed that a recursive formula could be created - He showed that f(n)/f(n-1) was a constant ratio** - He showed

*asked by Macey on November 17, 2015* -
## Math: Dot Product

A box with a weight of 215 N rests on a ramp. There is a frictional force of 27 N exerted on the box directed up the ramp. If the ramp is inclined at 30 degrees, what force must be applied at an angle of 40 degrees to the ramp to maintain equilibrium?

*asked by Anonymous on February 24, 2008* -
## Calculus

Air is being pumped into a spherical balloon so that its volume increases at a rate of 80 cm^3 per second. How fast is the surface area of the balloon increasing when its radius is 9cm? * ball of radius r has volume V=(4/3)pi r^3 and surface area S=4pir^2

*asked by Susanna on October 25, 2012* -
## Physics

A plane is flying horizontally with speed 251 m/s at a height 2180 m above the ground, a package is thrown downward from the plane with a vertical speed v1 = 80 m/s. What is the magnitude of the total velocity of the package at the moment it is thrown as

*asked by Kyle on November 7, 2014* -
## spanish

Write answer to the following questions. 1. Adonde te gusta ir de compras 2. Con que tipo dinero tienes que pagar en estados unidos 3. Con que tipo dinero tienes que pagar en europa 4. Por que llevamos gorros y chaquetad en invierno

*asked by sherianna on January 8, 2013* -
## English--Please, help me!

1. You can often tell the part of speech of a word even if you do not understand it. Identify the part of speech of three of the made-up words in this poem. Explain how you arrived at each answer. (Three made-up words are wade, gimble, gyre). 2. How can a

*asked by Anonymous on March 2, 2014* -
## physics

Two blocks of masses m and M [M = 4.23m] are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them. A cord holding them together is burned, after which the

*asked by vanessa on January 23, 2011* -
## kcc ..... mechanics(sub)

2 spherical ball aer kept inside ..weight of ball a 3000N. weight of ball b 2000N.. and all surfaies are smooth find the reaction between ball and container............plz sir give me the answer this question ...in this question figure is given but i m not

*asked by sandeep on September 9, 2011* -
## 4th grade math

A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has enough pieces left to make up the same length as 4 origional boards. How many origional boards did he start with? Someone told

*asked by es on January 9, 2013* -
## Pre-Cal

An equation is given. (Enter your answers as a comma-separated list. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) 2 cos 2θ − 1 = 0 a). Find all solutions of the equations answer--> θ= (π+6nπ)/6 ,

*asked by Amber on July 11, 2016* -
## Physics

A crate of mass 54 kg is attached to one end of a string, and the other end of the string runs over a pulley and is held by a person as in the figure below. If the person pulls with a force of 93 N, what is the crate's acceleration? (Assume that upward is

*asked by Chrissy on September 23, 2014* -
## Literacy

18. What are the subject headings for the 2002 edition of Invisible Man? A. American literature—History and criticism B. African Americans in literature—Outlines, syllabi, etc. C. Ellison, Ralph. Invisible man D. African American men—Fiction ANSWER

*asked by Mrs. Jane on March 10, 2012* -
## Physics

A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. She and her parachute have a mass of 55.5kg and air resistance exerts a total upward force of 620N on her and her parachute. What is the combined weight of

*asked by Ben on April 1, 2013* -
## Algebra

Twenty-five percent of your budget will be used to rent business space and pay for utilities. Write an algebraic expression that indicates how much money will be spent on business space and utilities. 2nd question. .25($118,250.00) correct answer?

*asked by Mckenzie on January 22, 2008* -
## Math

Part A A right rectangular prism has sides lengths of 4 inches, 3 1/2 inches, and 6 1/2 inches. How many 1/2 inch cubes would be needed to fill the prism? Part B What is the volume of the prism in Part A? Explain your answer.

*asked by Esmat on January 15, 2018* -
## geography

Which polar region contains more land? Well, since the northern polar region is floating on top of the Artic ice sheet and has no land under it. My answer is the Southern polar region has more land. It has Antartica. Correct?

*asked by Reed on September 29, 2010* -
## Math

1.which symbol completes the statement 3\8 - 1\4 a.> b.< c.= 2.which symbol completes the statement 5\8 - 11\16 a.> b.< c.= 3.which symbol completes the statement 4\6 - 6\9 a.> b.< c.= 4.order the following fractions from least to greatest

*asked by emily on October 5, 2016* -
## Geometry

I'm not asking for the answer (I hate when people do that) I'd just like to know how to go about this so that I may understand. Any help is much appreciated. "A sphere of ice cream is placed onto your ice cream cone. Both have a diameter of __ cm. The

*asked by Kayte on March 15, 2010* -
## religion , edit

How do contemporary Buddhist practices reflect the foundations of the religion? Contemporary BUddhist practices reflect the foundations of the religion by meditation which is like praying to their gods inorder to keep away the illnesses and evil. It helps

*asked by kailin on January 10, 2007* -
## french

choosethe correct answer from below! 1.pour viser les consommateurs qui ont beceaucoup d'argent, link the product with a luxury life distribute booklets in schools put samples in magazines give a price of special launching signal his asect biodegradable

*asked by anu on December 2, 2009* -
## English

In which of the following sentences does the use of prepositional phrases make it harder for readers to find the main point of the sentence? A. The committee voted on several of the issues under consideration. B. In what way is a political group considered

*asked by brooke on October 21, 2016* -
## french

choose the correct answer from below 1.pour viser les consommateurs qui ont beceaucoup d'argent, link the product with a luxury life distribute booklets in schools put samples in magazines give a price of special launching signal his asect biodegradable

*asked by anu on December 2, 2009* -
## english II

Word Choice and the Use of Idioms (errors in the choice of words and in the use of idiomatic expressions) the answer is d A.The plural form of criterion is criteria. B.Not all employers who believe in the principle of equal employment are in favor of

*asked by Shaquitta on November 24, 2009* -
## History

Which of the following statements is NOT true of the Islamic revival in the Middle East? A. Islamic "fundamentalism" may be a practical attempt to try to counter hedonism and other destabilizing forces. B. It has resulted solely from a clash between modern

*asked by angela on February 19, 2016* -
## Language Arts

What is the main message of the words that the Statue of Liberty speaks in "The New Colossus" by Emma Lazarus? Key: *** is my answer A. I am a tired, old woman, but I am still strong. B. Welcome to needy immigrants in search of a new home.*** C. America is

*asked by Angel on February 9, 2016* -
## Enlish

In which of the following sentences does the use of prepositional phrases make it harder for readers to find the main point of the sentence? A. The senator chose to run on a platform that cut taxes for the wealthy. B. In what way is a political group

*asked by feecan on February 11, 2018* -
## English

Could you please check if all the sentences are correct? Thank you. 1) To start with, I’ll have a tomato salad. I couldn’t help crying. I’m worried about Brian’s getting low marks at school. 2) He admitted eating all the biscuits. I couldn’t do

*asked by Henry2 on February 22, 2012* -
## Physics Please help3

A point charge with charge q1 = 3.10μC is held stationary at the origin. A second point charge with charge q2 = -4.60μC moves from the point ( 0.160m , 0) to the point ( 0.270m , 0.255m ). How much work W is done by the electric force on the moving point

*asked by Josh on May 21, 2014* -
## 4 Calculus Related-Rates Problems

1. How fast does the radius of a spherical soap bubble change when you blow air into it at the rate of 15 cubic centimeters per second? Our known rate is dV/dt, the change in volume with respect to time, which is 15 cubic centimeters per second. The rate

*asked by Angela on January 22, 2018* -
## social studies

Which of the following is a likely cause of the shape of the population graph of Mexico? (1) Mexico has adopted China's "one family-one child" program. (2) About 60 percent of Mexico's industrial workers live in or near Mexico City. (3) Much of the land in

*asked by Mae on May 11, 2016* -
## Physics

A 153 g bullet is fired from a rifle having a barrel 0.794 m long. Assuming the origin is placed where the bullet begins to move, the force exerted on the bullet by the expanding gas is F = a + bx − cx^2 , where a = 12600 N, b = 8420 N/m, c = 10100

*asked by Justin on November 18, 2013* -
## biology /check please

(stimulus v. response)? Which of the following is a stimulus, which is a response? Thanks 1)the recess bell ringing in an elementary school 2)your mouth watering at the sight of food on a plate 3)a sudden drop in air temperature 4) a flu virus entering

*asked by joy on December 21, 2010* -
## Pre-calc

prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i need steps to show how i got the answer generally, it is a good idea to change all trig ratios to sines and cosines, and start with the more complicated-looking side. so.... LS =

*asked by Stacey on May 6, 2007* -
## Physics

A 153 g bullet is fired from a rifle having a barrel 0 . 794 m long. Assuming the origin is placed where the bullet begins to move, the force exerted on the bullet by the expanding gas is F = a + bx − cx 2 , where a = 12600 N, b = 8420 N / m, c = 10100 N

*asked by Justin on November 15, 2013* -
## Designing Specialty Areas

We show we value families when we do which of the following? A. Tell families that they hold their children's future in their hands, so it's crucial that they make sure their children complete their homework. B. Realize that families are too busy to be

*asked by Priscila on April 9, 2017* -
## business

Think about where your personal information is stored from an information systems perspective: - Is your credit card information saved on file at your favorite online store? - Are your medical records stored electronically at your doctor’s office? - What

*asked by keri on July 22, 2008* -
## algebra-math

When it comes to linear inequalities, these are explained to be similar to a linear equation, but the difference between the two is that the equal signs are replaced with an inequality symbol. It is also explained that when it comes to doing a linear

*asked by Mike on August 6, 2017* -
## psychology

According to a survey in the U.S. in the 1990s, people in their 40s reported more lifetime sex partners than did people in their 50s. Which of these is the most likely explanation? a) People in their 50s were starting to lose their memory. b) People in

*asked by john on October 1, 2016* -
## spanish

"Mis libros están en el estante. ¿Dónde están los tuyos?" "_____ están en la mesa de noche." a. los tuyos b. los míos c. los suyos d. los de ellos please explain the question as well as the answer choices to me thank you, and goodnight gracias buenas

*asked by y912f on May 6, 2009* -
## Math Help

Hello! Can someone please check and see if I did this right? Thanks! :) Directions: Find the exact solutions of the equation in the interval [0,2pi] cos2x+sinx=0 My answer: cos2x+sinx=cos^2x-sin^2x+sinx =1-sin^2x-sin^2x+sinx =-2sin^2x+sinx+1=0

*asked by Maggie on February 2, 2015* -
## precalculus

A bacteria culture initially contains 1500 bacteria and doubles every half hour. a) Find an expression for the number of bacteria after t hours. Q(t)= b) The number of bacteria after 20 minutes is (the answer must be an integer) c) The number of bacteria

*asked by josh on March 2, 2011* -
## how children learn(someone please check)

What do constructivist educators believe about the learning process? A. Learning is a response to a stimulus. B. Learning is centered on the student and the student’s motivation. C. Learning is a process of building on what the student already knows. D.

*asked by toney on October 22, 2009* -
## 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. A $33 loss B $59 profit C $19 loss D $26

*asked by Cashmere <3 on March 6, 2019* -
## L.A

How does Miss Ferenczi explain her claim that, at times, 6 times 11 can be 68? a.She says rules for adults change more easily than rules for children b. she says she is demonstrating what an incorrect answer sounds like c.she says that in higher

*asked by Ihateschool on December 5, 2016* -
## Basic Math

Surface area of a square pyramid 11in 13in and 9in 11 height 13 side? 9 base edge I keep getting the wrong answer its not 328.62 or 294.93 Square area of a cone 15 side? 12 height 6 base It's not 365.99 or 417.62 I don't need anything rounded...help

*asked by Sally on March 17, 2017* -
## Art

Which of the following is most likely the reason for a city to reject an artist's propasal to create a religious mural on the side of the city library? The wall is too large for the subject matter. The location is inappropriate for the subject matter. (MY

*asked by LOVE on March 31, 2016* -
## MATH

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 174 and a variance of 9. The material is considered defective if the breaking strength is less than 168 pounds. What is the probability that a single,

*asked by mONIQUE on December 11, 2011* -
## Precalc Trig

here's the question: solve for cos(2theta)=1 if you graph r= cos(2Theta) then graph r=1 you find that there are four places where the graphs intersect. however, when solved algebraically, there are two solutions which can be represented in an infinitely

*asked by Wulramm on November 20, 2015* -
## mathematics

Please help me answer this question; 1.A metal gutter open at the tops and ends, is bent up from material 30 cm wide to form a rectangular cross section. a) If the base of the gutter is x cm wide, find the height of the gutter. b)Show that the area of the

*asked by Ruby on August 29, 2011* -
## Physics

A charged particle is projected into a uniform B-field. Its velocity vector is perpendicular to the B-field vector. What type of path will the particle travel? Neglect gravity. Answer straight line motion elliptical motion parabolic motion circular motion

*asked by tom on July 16, 2013* -
## Sttistics/Please Help

What is the value of the Y-intercept of the least-squares regression line from this data? Round you answer to at least two decimal places. I add all the y up's and came up with 2714.4. Then is says the least-squares regression line for these data has a

*asked by Mary Ann on September 3, 2015* -
## accounting

A compound transaction was recorded as follows: debit Equipment, $5,000; debit Cash, $1500; credit Accounts Payable, $3,500. This error would cause __________. A. assets to be overstated B. assets to be understated C. liabilities to be overstated D.

*asked by Josh on March 15, 2015* -
## math

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 169 pounds. What is the probability that a single,

*asked by ruth on March 14, 2012* -
## child development

Which of the following is correct about learning strategies in childhood ? A.most children spontaneously master learning strategies b.children can taught how to use strategies effectively. C.stratees for effective learning and memory are used until late

*asked by Woody on October 16, 2015* -
## algebra

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 166 and a variance of 4. The material is considered defective if the breaking strength is less than 160 pounds. What is the probability that a single,

*asked by Anna Swain on August 27, 2011* -
## stats

so the question is: the weights of fish in a certain lake are normally distributed with a mean of 10, a standard deviation of 6. if 4 fish are selected what is the probability that the mean weight will be between 7.6 and 13.6? so usually to find prob, we

*asked by paul on October 25, 2015* -
## MATH EMERGENCY I HAVE 10 MINUTES

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two

*asked by jane on December 2, 2014* -
## MATH CALC

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two

*asked by jane on December 2, 2014* -
## math

The number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of

*asked by someone on May 12, 2012* -
## Algebra

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 4. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single,

*asked by Lost!! on December 4, 2012* -
## Maths Help!!

Melisa used 0.6kg of red sand to make a mural on the wall. She added 250g of blue sand to it. Finally she added 500g of white sand to half of the mixture. Find the mass of the mixture that has white sand in it. Express your answer in kilogram

*asked by Jane on August 15, 2014* -
## Math

he number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of

*asked by someone on May 12, 2012* -
## physics

The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The arrangement in the figure occuurs at time t = 0. (a) At what average rate the layer of people at the door increase? m/s (b) At what

*asked by johnny on December 6, 2008* -
## Chem

can you show how u got the ansr on this question? a small pebble is heated and placed in a foam cup calorimeter containing 25.0mL of water at 25 degrees celsius. the water reaches a maximum temp of 26.4 degrees celsius. how many joules of heat were

*asked by Ryan on January 20, 2010* -
## Math

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 170 and a variance of 4. The material is considered defective if the breaking strength is less than 164 pounds. What is the probability that a single,

*asked by Lee Ann on August 24, 2011* -
## How to find the enlarged area- Geometry

Reposting.. The original area is 10 inch^2. If the area is enlarged by 120%, what is the new area? Please help. Thanks. Ten multiplied by 1.20 No, the answer is 14.4 Nope! bobpursley is right, a 120% increase of 10 inches^2 is 12 inches^2 Perhaps you

*asked by Jen on April 13, 2007* -
## statistics

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 9. The material is considered defective if the breaking strength is less than 156 pounds. What is the probability that a single,

*asked by Anonymous on December 6, 2012* -
## TRIGONOMETRY

Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 4.

*asked by Kate on May 16, 2013* -
## algebra

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single,

*asked by apryl on August 28, 2011* -
## Chemistry

1) 800 mL of 0.025 M Pb(NO3)2 is mixed with 500 mL of 0.030 M K2CrO4. Calculate the grams of PbCrO4 that form. I am confused on how to do this I got the answer it should be 4.85 g PbCrO4, but I would want to know how to get that. And also Limiting reactant

*asked by Akbar on April 4, 2012* -
## Health /Law

please check my answer thanks :) Sally who is a minor is being operated by Dr Bob who dicovers a life threatening tumor and the pt could die with in hours this tumor was previously unknown her parents are in the waiting room Dr Bob should 1. remove the

*asked by Anonymous on November 14, 2007* -
## math

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 4. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single,

*asked by apryl on August 24, 2011* -
## algebra/math

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 169 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single,

*asked by Anonymous on August 28, 2011* -
## Physics

A whistle you use to call your hunting dog has a frequency of 24 kHz, but your dog is ignoring it. You suspect the whistle may not be working, but you can't hear sounds above 23 kHz. To test it, you ask a friend to blow the whistle, then you hop on your

*asked by AP on November 7, 2009* -
## math

9. On a spelling test Carlos had to spell 25 words. He earned 4 points for every word he spelled correctly. Which equation can be used to find p, the total number of points Carlos earnedfor spelling w words correctly? A p w −. B p = 4. ) C p

*asked by anne on February 14, 2014* -
## Physics

A plane flying horizontally at a speed of 50m/s and at an elevation of 160m drops a package. two seconds later it drops a second package. How far apart will the two packages land on the ground? a)100m b)162m c)177m d)283m i think the answer is a) I got

*asked by Tammy on September 25, 2007* -
## physivs

A certain CD has a playing time of 68 minutes. When the music starts, the CD is rotating at an angular speed of 4.8 102 revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.1 102 rpm. Find the magnitude of the average angular

*asked by Anonymous on December 4, 2010* -
## Stats

Harley-Davidson motorcycles make up 14% of all the motorcycles registered in the United States. You plan to interview an SRS of 600 motorcycle owners. a.) What is the sampling distribution of the proportion of your sample who own Harley's? b.) How likely

*asked by Manda on November 9, 2011* -
## Math

For the table that follows, answer the following questions: x y 1 -8 2 -11 3 -14 4 - Would the correlation between x and y in the table above be positive or negative? - Find the missing value of y in the table. - How would the values of this table be

*asked by Jennifer on November 10, 2011* -
## Algebra

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single,

*asked by Angela on December 3, 2012* -
## Physics

A certain CD has a playing time of 76 minutes. When the music starts, the CD is rotating at an angular speed of 4.8 102 revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.1 102 rpm. Find the magnitude of the average angular

*asked by John on March 24, 2008* -
## algebra

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 9. The material is considered defective if the breaking strength is less than 156 pounds. What is the probability that a single,

*asked by Anonymous on December 6, 2012* -
## Physics

A wheel of moment of inertia 0.136 kg · m2 is spinning with an angular speed of 5000 rad/s. A torque is applied about an axis perpendicular to the spin axis. If the applied torque has a magnitude of 67.8 N · m, the angular velocity of precession will be?

*asked by kjean on March 28, 2014* -
## physics

The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The arrangement in the figure occuurs at time t = 0. (a) At what average rate the layer of people at the door increase? m/s (b) At what

*asked by johnny on December 13, 2008* -
## math

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single,

*asked by Kristen on November 1, 2011* -
## Child Development Question --Plz Help Me

Please fill in the blank with the appropriate response. ____________ is an effect of punishment, not discipline. A. Bolstered self-esteem B. Promoting a child's ability to think C. Conformity to the adult's behavioral expectations D. Gradual self-control

*asked by Merisa on November 22, 2006* -
## math

The breaking strength (in pounds) of a certain new synthetic is normally distributed with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 170 pounds. What is the probability that a single,

*asked by Andrew on March 10, 2013* -
## physics

A carefully designed experiment can measure the gravitational force between masses of 9 kg. Given that the density of iron is 7860 kg/m3, what is the gravitational force between two 9.00-kg iron spheres that are touching? I can determine the correct answer

*asked by mymi on October 30, 2011* -
## psychology

Mario gets out of bed in the morning,and without thinking about it,walks to the kitchen to start coffee,The action of walking to the kitchen was carried out by: A the central nervous system B motor nerves C sensory nerves D autonomic nervous system I think

*asked by vedrana on September 17, 2009* -
## math

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 173 and a variance of 9. The material is considered defective if the breaking strength is less than 164 pounds. What is the probability that a single,

*asked by Anonymous on August 29, 2012* -
## Math emergency I have 10 minutes to submit it.

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(81 + 1.6x) dollars. Determine the producers' surplus if the market price is set at $11/unit. (Round your answer to two

*asked by Mia on April 27, 2014* -
## Math

The table shows the color preference of 50 shoppers at the mal. What is te probability that one shopper, selected at random from the 50 surveyed, preferred the color red or blue? Color preferences color)Number of shoppers) Red)7 yellow)3 blue)13 green)15

*asked by LOVE on May 20, 2016* -
## algebra

terry earns $6.50 per hour babysitting. a. write a rule to describe how the amount of money m earned is a function of the number of hours h spent babysitting. b. how much money does terry earn if she babysits for 4 hours and 15 minutes? A. m(h)= 4h+

*asked by Leslie on October 28, 2016* -
## eco205

I am to do research on an industry and answer the question is price elasticity of demand considered elastic or inelastic? Are there substitutes available? Is the good a luxury or a necessity? Explain. o What is the price elasticity of supply for your

*asked by Guest on May 14, 2008* -
## math

The sales of a certain product after an initial release can be found by the equation where s represents the total number of units sold and t represents the time in weeks after release. How many weeks will pass before the product sells about 150 units?

*asked by eliza on June 13, 2013*

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