Questions Asked on
October 23, 2013

Math
Show how to make one addend the next tens number. Complete the new addition sentence. My son doesn't remember how to do this and I am confused? First one is 15 + 37 = 52 so it's asking the next tens would this be 10 + 42 = 52 would it always be 10? Please
asked by Nikol 
Physical Science ASAP
1. true or false? a welloiled machine has no friction. explain your answer. 2. True or false? Friction makes energy vanish. Explain your answer. 3. True of false? Electronic machines with no moving parts experience friction and get hot because electricity
asked by unknown 
chemistry
A 30 mL sample of .165 M propanoic acid is titrated with .300M KOH. Calculate the pH at each volume of added base: 0 mL, 5 mL, 10, equivalence point, onehalf equivalence point, 20 mL, 25 mL. Use calculations to make a sketch of the titration curve.
asked by Anonymous 
english
Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous to living near a nuclear plant that they want the plant’s license to be (2)nullify. They say the plant infringes on every homeowner’s right to safety. Shannon
asked by Franny 
Chem
A molecule of oxygen gas (O2 ) has a velocity of 2800 m / s. What is its de Broglie wavelength?
asked by Anonymous 
Health
1). Summarize the effects of low selfesteem. A: The effects of low selfesteem include vulnerability to peer pressure, disrespectfulness for self and others, destructive behaviors, depression, suicide, the use of drugs and alcohol, criticalness of others,
asked by Anonymous 
Science
A classmate states that igneous rock must always become sedimentary rock next , according to the rock cycle .explain why this statement is not correct
asked by Freddriuna 
math
The CN Tower in Toronto, Canada, is the tallest freestanding structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle
asked by Anonymous 
Math
A charter fishing company buys a new boat for $224,000 and assumes that it will have a tradein value of $115,200 after 16 years. Find a linear model for the depreciated value V of the boat t years after it was purchased.
asked by Jess 
Physics
A Ferris wheel is 60 meters in diameter and rotates once every 12.5s. what is the ratio of a person's apparent weight to her real weight (a) at the top, and (b) at the bottom?
asked by Sidney 
physics
suppose the diver vaults off the springboard, leaving it with an initial speed of 3.50 m/s upward. use energy conservation to find his spped when he strikes the water.
asked by tony 
Chemistry
What is the volume in liters of 3.0moles methane gas, CH4, at 12∘C and 1.48atm ?
asked by rose 
Algebra
Mary’s yard is a mess. She needs to hire someone to prune her trees and shrubs. A landscaping service she calls quotes her a price of $15 consultation fee plus $8 an hour for the actual work. Mary’s neighbor has offered to help her out. She doesn’t
asked by Faith 
Physics
A 3.00kg block starts from rest at the top of a 25.5° incline and slides 2.00 m down the incline in 1.75 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the
asked by Anonymous 
physics
Two billiard balls with identical masses and sliding in opposite directions have an elastic headon collision. Before the collision, each ball has a speed of 20 cm/s. Find the speed of each billiard ball immediately after the collision.
asked by Tejas Sardar 
math
Kittens weigh about 100 grams when born and gain 7 to 15 grams per day. If a kitten weighed 100 grams at birth and gained 8 grams per day, in how many days will the kitten triple its weight?
asked by Brittney 
Algebra 1 Math
an insect flies 20ft in 1 s. how fast does the insect fly in miles per hour?
asked by Laura 
Physical Science ASAP
A child weighing 200 newtons is sitting in the center of a swing. the swing is supported evenly by two ropes, one on each side. what is the tension force in one of the ropes?
asked by unknown 
chemistry
Iron reacts with chlorine to form iron(iii)chloride. A)How many chlorines react with 1.86g of iron? B)What mass of iron(iii)chloride is produced?
asked by Ava 
meterology
Saturated (cloudy) air at a temperature of 20 °C (68 °F) has a relative humidity of _________%
asked by amber 
math
rename the number 600,000 ten thousand
asked by ezekiel 
English
15. In this sentence, what is the antecedent of the pronoun it? A. work B. house C. Carla D. her I answered B, because the house (noun) was replaced by the word it (pronoun, which is considered the antecedent of the pronoun. Is my thinking correct. 17.
asked by Samantha 
math
Find last years salary if after a 3% pay raise this years salary is $35,020
asked by ann 
Physical science
A ramp is 2.8 meters long and 1.2 meters high. How much power is needed to push a box up the ramp in 4.6 seconds with a force of 96 N?
asked by Bob cx 
Physics
A car is rounding an unbanked circular turn with a speed of v = 35 m/s. The radius of the turn is r = 1500 m. What is the magnitude ac of the car’s centripetal acceleration?
asked by Alhaya 
Algebra 2
Hey guys i have a little assignment for you guys to do. My students have had a tough time doing this and i wanted to see if any of you can get this right.The first person to get this correct i will help them with any math related problems for a week. Good
asked by Mrs.Clinton 
science
An analysis for copper was performed on two pure solids. One solid was found to contain 43.0% copper; the other contained 32.0% copper. Could these solids be samples of the same coppercontaining compound?
asked by Donald 
world geography
The largest mass migration in human history has taken place in china. why ?
asked by Marina 
Math
Ace's grandfather is 3 years older than Ace's grandmother. Their combined age is 121 years. How old is each?
asked by Ashleigh 
physics
A spherical shell of uniform charge density σ has a circular hole cut out of it. What is the Electric Field at a radius just outside the sphere, directly over the center of the circular, cutout hole?
asked by manu 
Math
Estimate. 224% of 320 Please explain! :(
asked by Anonymous 
biology
4. Using sunscreen and consuming energy drinks involve _____________________. A. using biological information to make informed decisions B. risks to using biotechnology C. using genomics to make informed decisions D. all of the above
asked by hannah 
I NEED HELP I DON'T KNOW I TRYED EVERYTHING
in the poem o captain my caption, identify all the descriptions Whitman use to compare lincoln to a ship's caption.what kind of a leader dose the speaker consider lincoln?
asked by eduarda cardoso 
math
Out of 32 students in a class, 5 said they ride their bikes to school. Based on these results predict how many of the 800 students in the school ride their bikes in school.
asked by Anonymous 
Homework  Math
The sum of two consecutive even integers is 122. What are the integers?
asked by Ashleigh Cunningham 
biology
Is carbonic acid (H2CO3) organic or inorganic molecule?
asked by Mengistu 
science
Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 1.72 × 1031 kg and Star 2 has mass m2 = 1.60 × 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass
asked by Anonymous 
PHYSICS
An airfilled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is
asked by smita 
math
A company's weekly profit, in riyals, is modeled by the function P(u)=0.032u^2+46u3000. where u is the number of units sold each week. a) the maximum weekly profit. Answer: 13531.25 riyals b) the loss for week's holiday period, where no units are sold
asked by Lucas 
Math
Part 1: Answer the following question: In a survey of students about favorite sports, the results include 22 who like tennis, 25 who like football, 9 who like tennis and football, 17 who like tennis and baseball, 20 who like football and baseball, 6 who
asked by Anonymous 
chemistry
A microwave oven heats by radiating food with microwave radiation, which is absorbed by the food and converted to heat. Suppose an oven's radiation wavelength is 12.5 cm. A container with 200 mL of water was placed in the oven and heated. How many photons
asked by Katie 
Counting/ Probability
I don't understand this problem at all, all help is appreciate Maya is invited to a wedding. She gets all the items (dresses, blouses, dress pants, shoes, necklaces and a scarf) she finds suitable to wear out of her closet. a) Maya has two dress pants and
asked by Lynne 
Algebra
Part 1: Answer the following question: In a survey of students about favorite sports, the results include 22 who like tennis, 25 who like football, 9 who like tennis and football, 17 who like tennis and baseball, 20 who like football and baseball, 6 who
asked by Anonymous 
biology
A sheep with human genes spliced into it to produce human antibodies is an example of a(n)
asked by hannah 
World History
CityStates Essay Assignment In what ways were the Indus Valley people an advanced civilization? In what ways did their civilization compare to an advanced modern civilization today? The Indus people were always a step ahead in a lot of their achievements.
asked by _Unknown 
math
An adults body has 206 bones. 106 of these bones are feet, hand, wrists, and ankles. What fraction of adults's bones is in the feet, ankles, hands, and wrists? Write in simpleist form.
asked by Anonymous 
Social study
How did American Indians work together to meet their needs and solve problems?
asked by Anonymous 
science
a plane is headed north with a velocity of 400km/hr and west wind blowing at 70km/hr.find the distance of the plane from its base in 2hrs
asked by gift 
physics
A place kicker must kick a football from a point 34.0 m (about 37 yd) from the goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 21.0 m/s at an angle of 56◦ to
asked by John 
Chemistry
What would happen to the values of the pigments if we were to increase the relative concentration of acetonein the developing solvent?
asked by Kieu 
Chemistry
You have a metal tank containing 74.0 moles of nitrogen gas at a pressure of 15.0 atm. If the pressure is measured at a temperature of 25.0 °C, then the volume of the tank must be ___ liters
asked by Daud 
physics
1. A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. a. What force is responsible for the snowmobile’s resulting forward motion? (Hint: Think action–reaction force pairs.) b. If the force of friction on the snowmobile
asked by iyzi 
history
Which of the following was true of the Judiciary Act of 1801? A. It packed the Supreme Court with Democratic Republicans. B. It was opposed by the Federalists. C. It expanded the federal court system. D. It reduced the power of the federal courts. I put a
asked by All 
Chemistry Hess's Law
(1) 2 Ni(s) + O2 (g) > 2NiO(s) delta H= 479.4 kJ (2) Ni(s) + Cl2(g) > NiCl2(s) delta H= 305.3 kJ Using equations 1 and 2 and Hess's Law, determine the amount of moles Nickel (ii) Chloride that was combusted given the following: volume = 15.45 L
asked by Brian 
chem delta H
In your search for fuel to use after the reserves of gasoline dry up, you decided to analyze different compounds (2 hydrocarbons & an alcohol) by combustion. You independently combust methane (CH4), ethane (CH3CH3), and ethanol (CH3CH2OH) at 298 K and 1
asked by Emma 
Math
Central middle school sold 50 tickets for one night at the school play. Student tickets sold for 2$ each and adult tickets sold for 3$ each. They took in 135$. How many of each type of ticket did they sell?
asked by Ali 
Math
Part 1: Answer the following question: In a survey of students about favorite sports, the results include 22 who like tennis, 25 who like football, 9 who like tennis and football, 17 who like tennis and baseball, 20 who like football and baseball, 6 who
asked by Anonymous 
English
2. Which of the following sentences contains a verb in the future tense? A. She really should begin to pack. B. Jean's daughter has begun to drive. C. They will take the dog to the park with them. D. By that time, he will have been gone for three days. I
asked by Cassie 
Physics
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 22◦ below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a
asked by John 
English
Please double check my answers to make sure that I am thinking about each question correctly. Thanks. Last night, Lucy and Neil met Morey in Gramercy Park. 9. The object of the verb is A. Lucy and Neil. B. night. C. Gramercy Park. D. Morey. I picked D,
asked by Tabitha 
physics
A dockworker loading crates on a ship finds that a 19kg crate, initially at rest on a horizontal surface, requires a 83N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 53 N is required to keep it moving
asked by Anonymous 
physics
a plane is headed north with a velocity of 400km/hr and west wind blowing at 70km/hr.find the distance of the plane from its base in 2hrs
asked by gift 
Math
Last year 80% of a car service bill was for labour. The rest was for parts. This year the labour costs increased by 9%. The cost for parts increased by 12%. Work out the percentage increase in the total car service bill for this year.
asked by HS 
World History
Which best describes the earliest form of writing? 1.It uses wedgeshaped characters. 2.It is called hieroglyphics. 3.It was taught to all Mesopotamians. 4.It was created in the Indus Valley. I would say either number 2 or 3
asked by Bilbo 
HELP!! Chemistry
1. Calculate the density of a material that has a mass of 52.497 g and a volume of 18.5 cm3. 2. A student finds a rock on the way to school. In the laboratory he determines that the volume of the rock is 29.7 cm3, and the mass in 139.943 g. What is the
asked by _Unknown 
Math
Is an estimate for the percent of a number always , sometimes or never greater than the actual percent of a number. Give an example or a counter example to support your answer
asked by Anonymous 
Biology 101
1. Which of the following statements is incorrect about homologous chromosomes? a. Homologous chromosomes are similar but not identical b. Homologous chromosomes have the same size and function c. Homologous chromosomes contain genes for the same kind of
asked by Phillip 
Maths
If the vertex of the parabola y=x^22ax+2a^2 is on the line y=24x+25 what is the value of a (positive number)
asked by CHRIS 
algebra
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
asked by hannah 
Calculus
The population in certain country is growing at the rate of 7 % a year . If the population in the year 1995 was 190 million, (a)determine an exponential expression representing the population as a function of the year. (b) What will the population be in
asked by Migena 
Chemistry
The negative terminal of a battery has an excess of electrons. If a wire connected to the negative terminal of a battery is placed in an acidic solution and bubbles were produced at the wire. Would the observed bubbles be consistent with oxidizing water to
asked by Anonymous 
Chemistry
When a pair of copper wires are connected to the (+) and (–) terminals of a 9–V battery and immersed in a solution containing I ions, one of the wires becomes coated with I2. Besides simply wiping off the wire, how else could you remove the I2
asked by Anonymous 
biology
Is carbonic acid (H2CO3) organic or inorganic?
asked by Mengistu 
physics
a plane is headed north with a velocity of 400km/hr and west wind blowing at 70km/hr.find the distance of the plane from its base in 2hrs
asked by gift 
Math
A satellite launch rocket has a cylindrical fuel tank. The fuel tank can hold V cubic meters of fuel. If the tank measures d meters across, what is the height of the tank in meters?
asked by Leen 
World History
Which best describes the mathematics of the Mesopotamians? 1. It did not influence that of other places. 2.It was based on the number six. 3. It was learned from the egyptians. 4.It did not have any practical use.
asked by Bilbo 
Grammar
Select the correctly punctuated sentence. 1. Thank you for asking me to meet with your patient, Wonder Woman, who came to the appointment accompanied by her husband. 2.Thank you for asking me to meet with your patient Wonder Woman who came to the
asked by G 
Math
Central middle school sold 50 tickets for one night at the school play. Student tickets sold for 2$ each and adult tickets sold for 3$ each. They took in 135$. How many of each type of ticket did they sell?
asked by Ali 
Math
If my midterm is worth 15%, and my grade is 100% right now. If I get 0 on the exam, my grade would be 85% right?
asked by Thom 
Physics
A particle of mass m moves in a xy plane. the coordinates of the particle at any instant are given by x=acos(wt) y = bsin(wt). where a,b,w, are constants. determine angular momentum ofthe particle with respect to the origin of the coordinate system.
asked by Sarsi 
Algebra
All real # x and y that satisfy 2x1+2yi=4x5i first step is place constant complex # on one side 2x+2yi4x=1+5i 6x+2yi=1+5i now I'm lost
asked by Terri 
Algerbra
These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of
asked by Morgan 
algebra
it takes an HP laserjet 1300 printer 10 minute longer to complete a 600 page print job by itself than it takes an HP laserjet 2420 to complete the same job itself. Together the two printers can complete the job in 12 min. How long does it takes for each
asked by shae 
Jonh muir
Jen nad 6 blank CDs, but needed to buy more. She bought 2 packs of blank CDs. Each pack has 8 CDs. How many blank CDs does she have now?
asked by Anonymous 
Solving Rational Equations
100mL of a solution contains 30 mL of acid; this is called a 30% acid solution because part 30  =  = 0.30. whole 100 How many milliliters of acid x would need to be added to the solution to turn it into a 50% solution ? (HInt: Adding acid increases
asked by Stacey 
physics
A satellite with mass 6.00*10^3 is in the equatorial plane in a circular orbit. The planet's mass = 6.59 *10^25 and a day of length is 1.6 earth days. How far from the center (in m) of the planet is the satellite? What is the escape velocity (km?sec) from
asked by ss01 
algebra 2
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
asked by hannah 
Solving Rational Equations
To attend a family reunion, Beth drives 100 mi from Fresno and Clara drives 220 mi from San Jose. Both women drive the same speed in miles per hour, but Clara's drive takes 2 hours longer than Beth's. Find the length of Beth's drive. a. 1 hour. b. 2.2
asked by Stacey 
Finance
a. If upon retirement in 20 years Simon plans to invest $400,000 in a fund that earns 5%, what is the maximum annual withdrawal he can make over the following 15 years?
asked by Summer 
English
Can someone please check my answers? I'll write the directions above them. *Underline the subject once and the verb/verb phrase twice. Place each infinitive in parenthesis. 1. After dinner the guests desire to enjoy some coffee. (subject guests verb
asked by Jane 
write a summary
on bill clinton's speech. i have In William Clinton's speech, "remarks to the Convocation of God in Christ," Bill Clinton argues for a better future for American Citizens. He continuously tries to persuade American Citizens to take action and make america
asked by Reina B. 
Counting and probability
I have no idea on how to do this, please help! Maya is invited to a wedding. She's gets all the items (dress pants, shoes, necklaces and a scarf) she finds suitable to wear out of her closet. A) Maya has two dress pants and four blouses. how many outfits
asked by Ashley 
Health
Describe how respecting yourself and respecting your values can improve your selfesteem.
asked by Anonymous 
math
Consider the sets. A = {distinct letters in the word keep} B = {13} C = {k, e, p} D = {6 + 1} E = {seven} F = {7} (a) What is the cardinality of each set?
asked by Anonymous 
english
i need some good sentence for the sociology. can somebody help
asked by mythreyee 
HCA/220
I need help with a discussion question due in week 8. You work in a training and development department of a medical facility. You are asked to develop a training manual for a new employee with no medical terminology background. The new hire will work in
asked by chrissy 
Math  Urgent
2/3x+1/2x=5/6+2x What does x equal? Please show all work.
asked by Sarah 
John muir
Coach Coleman has 32 softballs left from last season, but 3 are torn and can't be use. He buys 2 boxes of softballs to start the new season. Each box 24 softballs. How many good softballs does he have in all? Show your work.
asked by Anonymous 
physics
A truck with a mass of 1.5 x 103 kg accelerates to a speed of 18.0 m/s in 12.0 s from a dead stop. Assume that the force of resistance is a constant 400.0 N during the acceleration. What is the average power developed by the truck’s engine?
asked by alex 
Math
Coach Coleman is ordering hats for this year's teams. There are 6 teams. Each team has 12 players on the roster. He orders 12 more hats for the team managers. How many hats does he order in all? Show your work.
asked by Anonymous 
Calculus Homework
Find the largest region over which the function f is increasing or decreasing, for: f(x):(x4)/(x+8) f is increasing for x=
asked by Sara 
Math
A house loses 18% of its value. Its new value is £129 000. Work out the earlier value of the house. Give your answer to a suitable degree of accuracy.
asked by HS 
Math
What is the sum of 5/30+4/6
asked by Anonymous 
math
Using These Numerals 1,9,9,6 in the same order how can you make the numbers 73 76 77
asked by sam 
Solving Rational Equations
Ms. Spinoni can prepare a massmailing of 500 letters in 10 hours. Mr. Harris can prepare a massmailing of 500 letters in 15 hours. How long will it take them to prepare a massmailing of 1000 letters if they work together? (Hint: The complete job is
asked by Stacey 
Algebra /.
4x23=107 Help!?!?
asked by Abby 
Solving Rational Equations
At a cafeteria, the automatic ice machine can completely fill itself in 20 minutes. During lunch time, customers can completely empty the ice machine in 30 minutes. At the start of lunch time, the ice machine is completely and it starts making ice at the
asked by Stacey 
math
What is 20 divide by 6400?
asked by Jade 
Introduction Algebra
t^2+4z^2
asked by Anonymous 
Math check
Round 210, 028, 546, 555 to the nearest million 9,000,000
asked by Gio 
Punctuation Sentence
Select the correct sentence. 1. Dr. Jones is an excellent surgeon but does not have a good bedside manner. 2. Dr. Jones is an excellent surgeon, but does not have a good bedside manner. 3. Dr. Jones, is an excellent surgeon, but does not have a good
asked by Danny 
Chemistry
Is a more negative corrosion potential more susceptible to corrosion or a less negative corrosion potential?
asked by John 
math
From experience, the manager of Kramer's Book Mart knows that 33% of the people who are browsing in the store will make a purchase. What is the probability that among 9 people who are browsing in the store, at least 6 will make a purchase?
asked by Anonymous 
SS
In a region as dry as the Sahara Desert, an oasis is often the only place to find water. True False True?
asked by Anonymous 
chemistry
A 0.286g sample of carbon dioxide, CO2, has a volume of 585mL and a pressure of 495mmHg . What is the temperature, in kelvins and degrees Celsius, of the gas?
asked by rose 
Math
The sum of two numbers subtracted from twice the sum of those numbers. Please help?
asked by Ashleigh Cunningham 
College writing supplement edit
I need help editing a college admission writing supplement Connecticut College is definitely my first choice, as I believe that its exemplary academic and career opportunities will not only help me develop as a student, but also as a future professional.
asked by chhristine 
algebra
3x^2  15x + 18
asked by Anonymous 
math
How do i write 4*36 in an array and find partial products.
asked by lisa 
Biology
Could someone please explain Endocytosis(phagocytosis, pinocytosis and receptormediated endocytosis) in simplest way? I do not understand
asked by will 
math
what type of numbers is found an odd number of times in the table
asked by ali 
The Crucible (English)
Did Mary Warren purposelly give the rag doll she made to Elizabeth Proctor as a "gift" because she and Abigail planned the whole needle found in abigails abdomned thing? The marshalls spied the doll and it just seems to me that Mary and Abigail set up the
asked by Bryce 
Chemistry
K2Cr2O7, H2O2 and KMnO4 are all oxidizing agents. Common products of their reduction are Cr3+, H2O and Mn2+. Identify the change in oxidation number for the involved elements.
asked by Anonymous 
6th grade math
Can you check these, please? Convert each of the following verbal phrases to algebraic expressions. 1.twice the number plus 16 is 18 Ans: 2x + 16 = 18 2.the quotient of a number and ten more than fourteen is eleven Ans: (10 + 14)/x = 11? or x/10 + 14 = 11?
asked by Alex 
college admissions
I need help editing a college admission writing supplement Connecticut College is definitely my first choice, as I believe that its exemplary academic and career opportunities will not only help me develop as a student, but also as a future professional.
asked by chhristine 
History  Social
Overtime American Indian cultures have developed traditions that play an important role in their ways of life. How are these traditions handed down today?
asked by Anonymous 
Math
Sally and Marta have the same number of postcards
asked by Hilda 
math
need help to solve this problem: 21E − 7 = 0 what is e?
asked by Anonymous 
science
What keeps the very dense gas at the core of the Sun from becoming a solid?
asked by john 
Physics
At 1:00 p.m. a car, traveling at a constant velocity of 80 km/h toward the west, is 31 km to the west of our school.
asked by Sammi 
Math
Assume that if students buy more than $250 of art supplies in one visit, they may put the charge on a student account with terms of 2/10 EOM. If a student makes the purchase on September 16, on what day does the 2% discount expire? If the purchase is made
asked by Litta 
science
How would you write a method on a hypotheses relating to meaning in life and both physical and psychological wellbeing scores.
asked by Eid2013 
engineering
A compartment measures 3 meters by 5 meters and is 2.8 meters high. A fire raises the temperature from 20oC to 1000 oC. If the starting pressure was 1 atmosphere, what pressure is present at the elevated temperature assuming the compartment remains closed?
asked by Steve 
Math
Estimate 41.472
asked by Anonymous 
Maths
DVDS 4 U SALE Price label more than £8take 15% off Price label less than £8take 10% off a)ivy buys 5 dvds with a price label of £6. work out how much she pays in the sale b)kurt buys 2 dvds each with a price label of £4 and 7 dvds each with a price
asked by HS 
alg
A clothing company uses the expressions that follow to estimate revenue and expenses based on the production of x lots of clothes: Revenue: Expenses: The ratio of revenue to expenses is represented by the rational expression that follows: A. Factor the
asked by hannah 
algebra 2
On a second report that you reviewed, the team simplified the expression to 4. Show how to simplify the rational expression correctly. Explain your steps so that the team understands how to simplify an expression similar to this in future experiments.
asked by hannah 
Math
A survey finds that 85% of the people asked use the local bus. 35.3% of those who use the bus use it at least once a week. 240 people took part in the survey. (a) Work out how many people say they use the bus once a week. (b) What percentage of the people
asked by HS 
math
A garden centre buys plants to sell. It sells them at a profit of 28%. A rose bush is sold for £3.40 Work out the price that the garden centre paid for the rose bush.
asked by HS 
math
Jon buys £4000 of shares. In the first year the shares increase in value by 8%. In the next two years the shares decrease in value by 5% each year. Work out the value of the shares at the end of the three years.
asked by HS 
Algebra
100mL of a solution contains 30 mL of acid; this is called a 30% acid solution because part 30  =  = 0.30. whole 100 How many milliliters of acid x would need to be added to the solution to turn it into a 50% solution ? (HInt: Adding acid increases
asked by Stacey 
4th grade math
Estimate. Then record your product using partial products. 4,247 x 5 (problem 1) (problem 2) 245 x 3
asked by Anonymous 
Solving Rational Equations
Markus jogs 4 mi around a track at an average rate of r mi/h THen he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
asked by Stacey 
Algebra
Markus jogs 4 mi around a track at an average rate of r mi/h THen he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
asked by Stacey 
MY QUESTIONS BELOW ARE DIFFERENT!!
PLEASE HELP!!!! they are all different questions not the same!!!!
asked by HS 
physics
How long must an ideal pendulum (or the radius of an air track) be such that one swing (half period) lasts very near one second? Use = 9.81 m/s How long must an ideal pendulum be such that one swing (half period) lasts very near one second when it is
asked by eliot 
math
If the average density of the dining area is 10kg/m^2 and the if the mass is 1000kg how much space does the dining area take up?
asked by johnmeisha 
History/English
Please help me understand this Explain the transformation of jurgis character throughout the jungle. How did his morals, actions and attitude change as he experienced events during his life?
asked by Emma 
Algebra 1
y=x+1 Domain: 2,1,0,1,2 what is the range? Is it 1,0,1,2,3
asked by Katie 
Algebra
Markus jogs 4 mi around a track at an average rate of r mi/h THen he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
asked by Stacey 
Algebra
Markus jogs 4 mi around a track at an average rate of r mi/h THen he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
asked by Stacey 
Algebra
Ms. Spinoni can prepare a massmailing of 500 letters in 10 hours. Mr. Harris can prepare a massmailing of 500 letters in 15 hours. How long will it take them to prepare a massmailing of 1000 letters if they work together? (Hint: The complete job is
asked by Stacey 
Math  HELP!
Distributive Property Expression: 6a(3a+5b  4) Please show your work and your answer.
asked by Mary 
SCIENCE
How is ionising radiation affects the cell, DNA and can lead to tumours/leukaemia? nothing to complicated or technical like Wikipedia or anything that seems like that please. I just a few point for which I can then compile in a decent paragraph thanks in
asked by HS.help 
algerbra 2
B. The rational expression is not defined for any values of 20^2180/4x^2+36+ 72 for which the denominator equals zero. Find the value(s) of for which the denominator equals zero.
asked by hannah 
Algebra
To attend a family reunion, Beth drives 100 mi from Fresno and Clara drives 220 mi from San Jose. Both women drive the same speed in miles per hour, but Clara's drive takes 2 hours longer than Beth's. Find the length of Beth's drive. a. 1 hour. b. 2.2
asked by Stacey 
Math URGENT
find the value of x or y so that the line through the points has the given slope. (12,y) and (15,8); slope: 2/3
asked by John 
Maths
Given a rectangular object with dimensions 2cm by 22cm, we want to increase the length of the smaller dimension and decrease the length of the larger dimension by Xcm each. If the the diagonal has to be kept less than (sqrt360)cm in length, the range of X
asked by CHRIS 
biomechanics
If a 100 kg adult sits on a first class lever 2.3 meters away from the axis of rotation...how far back do I need to sit (145 lbs) on the other side to balance the lever?
asked by Anonymous 
science
How is ionising radiation affects the cell, DNA and can lead to tumours/leukaemia? nothing to complicated or technical like Wikipedia or anything that seems like that please. I just a few point for which I can then compile in a decent paragraph thanks in
asked by HS.help 
SCIENCE
How is ionising radiation affects the cell, DNA and can lead to tumours/leukaemia? nothing to complicated or technical like Wikipedia or anything that seems like that please. I just a few point for which I can then compile in a decent paragraph thanks in
asked by HS.help 
Science
Suppose that 9 grams of a certain substance lost 17.5 calories of heat when the temperature decreased from 70 degrees Celsius to 62 degrees Celsius. What is the Cp
asked by Wyatt 
science
How is ionising radiation affects the cell, DNA and can lead to tumours/leukaemia? nothing to complicated or technical like Wikipedia or anything that seems like that please. I just a few point for which I can then compile in a decent paragraph thanks in
asked by HS.help 
cal
Determine all values of x, (if any), at which the graph of the function has a horizontal tangent. y(x) = 6x/(x9)^2
asked by cal 
Math
find the value of x or y so that the line through the points has the given slope. (12,y) and (15,8); slope: 2/3
asked by Emily 
Physics
A stick of dynamite (190 g) contains roughly 10 J of chemical energy that is transformed into mechanical energy and heat during an explosion. A 1000 kg rock in outer space is at rest with respect to a spaceship. An astronaut blows up the rock with one
asked by askas 
Algebra
Markus jogs 4 mi around a track at an average rate of r mi/h Then he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 hour. At what rates did Markus jog and walk?
asked by Stacey 
keyboarding
in a report what protects against printing a single line at the bottom or top of a page?
asked by sylvia king 
Solving Rational Equations
Markus jogs 4 mi around a track at an average rate of r mi/h Then he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
asked by Stacey 
Algebra 1
Markus jogs 4 mi around a track at an average rate of r mi/h. Then he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?
asked by Stacey 
Math
So, one of my subjects midterm I got 71% (43 out of 60). The midterm test was worth 25%. It is my first evaluation. How do I calculate my final mark so far? :
asked by Jacob 
TO ALL TEACHERS
I would just like to say that your work is very much appreciated. I honestly believe that you are genuine and helpful people who bring joy to student's understanding of learning. Your voluntary work is performed at a high standard and I would personally
asked by HSHanna 
economics
Consider the following production possibilities table: Option Y X A 0 100 B 80 80 C 120 50 D 140 10 a)Provide a measure of the approximate marginal opportunity cost of an additional unit of X for each interval. Is the law of increasing cost satisfied?
asked by Cathy 
Science
How can weathering cause sedimentary rocks to form ?
asked by Anabelle 
Calculus
Romat 421 (a fictitious substance) decays by about 1.5% every day. How much of a 80 pound sample remains after 5days?
asked by Migena 
math
Serena's parents drove her to Gulf Coast Beach.The trip from home to the beach took 2 1/2 hours at an average of 56mph.On the return trip,they drove at an average of 60mph.H ow far is the beach from their home?
asked by 2000sbaby 
TO ALL TURORS
I would just like to say that your work is very much appreciated. I honestly believe that you are genuine and helpful people who bring joy to student's understanding of learning. Your voluntary work is performed at a high standard and I would personally
asked by HS 
Algebra
Write a function rule for: x 1 2 3 4 5 y 1 5 9 13 17 I do not get these please explain?
asked by Cassie 
Math
If the difference of two numbers is a and the smaller is x, what is the greater number?
asked by Ashleigh Cunningham 
Math
Onethird the sum of x, y, and z. How do I form this?
asked by Ashleigh Cunningham 
Math
In 8 years, a girl will be 3 years older than twice her present age. How old is she?
asked by Ashleigh Cunningham 
Math
What does 3^4x2^3x5^2/3^2x5x2^3 equal? Using the method of sorting the bases and subtracting the exponents.
asked by Nicole 
math
what type of numbers is found an odd number of times in the table from 1 to 9?
asked by ashley 
sicence
Which example describes a method of relative dating? A. examining historical records to determine when a volcano erupted B. using radioactive isotopes to calculate the age of a rock C. measuring the depth of tree bark D. using fossils to determine the
asked by megan 
algebra
x^2 + x  72
asked by Anonymous 
chemistry
What is the change in enthalpy for an isothermal, isentropic compression of an ideal gas from 2 atm to 12 atm?
asked by Carl 
engineering
What is the change in enthalpy for an isothermal, isentropic compression of an ideal gas from 2 atm to 12 atm?
asked by Carl 
Math
find all real numbers x and y that satisfy 2x12yi=4x5i I think the first step is rewrite with constant complex on one side. 2x2yi4x=15i now I'm lost
asked by Terri 
physics
A block having mass 90 kg.just contact the top of the free end of spring. (1) find the maximum deflection of spring if the block is released instantaneously with zero initial velocity. (2) if the block is very gradually lowered on the spring.
asked by Sarsi 
CalculusMean Value Theorem
Find the function G(x) whose graph passes through (pi/38,12)and has f(x) as its derivative: G(x)= I already found which is: F(x)=76(1/19)cos(19x)+C
asked by Sara 
Physics
A block having mass 90 kg.just contact the top of the free end of spring. (1) find the maximum deflection of spring if the block is released instantaneously with zero initial velocity. (2) if the block is very gradually lowered on the spring. The stiffness
asked by Sarsi 
Health
9. Kristy, a 13yearold girl, has a resting heart rate of 67 beats per minute. Using the lower and upper limit reserve training percentages of 50 percent and 85 percent respectively, what is Kristy’s target heart rate range? 137 to 186 per minute 140 to
asked by Charlotte 
English  check grammar
When I was fifteen years old, I left the Vietnam to begin a new life with my family in the United States. But my young heart has never stopped yearning for that one day when I would go back home. One peculiar thing about Vietnamese is that they associate
asked by John 
Math.. Please help!
What does 3^4x2^3x5^2/3^2x5x2^3 equal? Using the method of sorting the bases and subtracting the exponents.
asked by Nicole 
Algebra 1
Alex can remodel a bathroom in 2 days. Abraham can remodel the same bathroom in 4 days. How long will it take them to remodel the bathroom if they work together?
asked by Anonymous 
English
It is too late to cancel my order. (What does 'it' refer to in the sentence? Is 'it' a false subject or the impersonal pronoun referring to 'the time'?)
asked by rfvv 
Biology
PLEASE CONSIDER EACH OF THE FOLLOWING CHANGES SEPARATELY. Be sure to enter the sequence using the 3letter abbreviations (for example, AlaGlySer), where the left most amino acid of your answer represents the first amino acid of the polypeptide. Another
asked by youlifex 
Algebra
Alex can remodel a bathroom in 2 days. Abraham can remodel the same bathroom in 4 days. How long will it take them to remodel the bathroom if they work together?
asked by Anonymous 
algebra 2
how do you simplify 5x _______ x^220 to = 4
asked by hannah 
Algebra
When only the cold faucet is fully turned on, a bathtub fills in 8 minutes. When only the hot faucet is turned on, the same bathtub fiills in 12 minutes. If both the cold and hot faucet are fully turned on, how long will it take to fill the bathtub?
asked by Anonymous 
Algebra 1
I'm having trouble putting these equations in standard form. PLEASE HELP ME!!! Y=12x+4 Y= 8x+5 Y=2x+8 Y=5x+5 Y=18x+3
asked by Hannah 
Solving Rational Equations
When only the cold faucet is fully turned on, a bathtub fills in 8 minutes. When only the hot faucet is turned on, the same bathtub fiills in 12 minutes. If both the cold and hot faucet are fully turned on, how long will it take to fill the bathtub?
asked by Anonymous