Questions Asked on
January 15, 2013

science
Ozone layer formed
asked by abdulwasay 
AP Calc
For the function find the derivative of its inverse given a point on the original function: y = 3x+1 point (0,11) What am i supposed to do with the point?
asked by Anon 
math
LinYee is helping to set up a health clinic in Inuvik by collecting and shipping medical supplies from Calgary. She has found these shipping rates online: • regular rate: $2.10/lb • ship 101 to 500 lb, get a 20% discount • ship over 500 lb, get a
asked by alan 
Math
Find the slope and yintercept. 2y+4x=3(yx)+8 Please explain the procedure!
asked by Yoyoboy 
Chemistry  Biology
Explain why glucose is improtant to humans ? Ans:Glucose is important to the body cecause it helps the reporduction of cells, coposition of proteins and nucleic acids foundin all cells. It helps growth and repairs tissues . Is that correct??
asked by Maria 
maths
if sinx=3/5,cosy=12/13,where x and y both lie in 2nd quadrant, find the value of sin(x+y),cos(xy),tan(x+y)?
asked by jeethu 
algebra 1
A man drove 48 more miles an hour than the number of hours he drove. if he drove 208 miles in all, how many hours did he drive? What was his rate?
asked by zamarra 
math
Burj Khalifa is the world tallest building in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Sam wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. She has decided to
asked by matthew 
math
if part a of a square is one fourth and part c is one tenth then what is part b?
asked by natalie 
finance
Suppose that you are 25 years old and you have two options to save money for retirement. Plan A allows you to save $3000 per year for the next 20 years, then sit for 20 years and finally draw on it for the following 30 years. Plan B allows you to wait 20
asked by Jessie 
MATH
my tenths digit is 3 less than my hundredths digit. The difference between my tenths and hundredths digit is 5. The sum of my digits is 10. What number am I?
asked by JAYDEN 
statistics
Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education
asked by jhikjhak 
math
find the equation of the planes 5x3y+4=0 and x+y2z+10=0 and which are 1 unit distance from the origin.?
asked by manjula 
statistics
1. Prospective Cohort Study The following tables show the crude and sexspecific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of followup. Full
asked by jhikjhak 
statistics
• Twosample Nonparametric Test Now, we examine the relationship between cry time and group among infants at Northbay. 1. Suppose we wish to perform a twosample test, but we do not want to make any normality (or other strong parametric) assumptions.
asked by jhikjhak 
math
show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
asked by manjula 
statistics
• Linear Regression In the babies.dta full dataset, generate a covariate called painind defined as 1 if the infant experienced severe pain upon receiving the shot (pain0 = 7) and as 0 otherwise. In Stata, you can use the commands: generate painind = 0
asked by jhikjhak 
analytical geometry
if in a tetrahedron the sums of the squares of opposite sides are equal,show that its pairs of opposite sides are right angles
asked by manjula 
analytical geometry
if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose direction ratios area l1+l2+l3,m1+m2+m3,n1+n2+n3 make equal angles with them
asked by manjula 
analytical geometry
two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the midpoints of PS and QR is equal to the distance between the mid points of PR and QS
asked by manjula 
GEOMETRY
In circle O, the midpoint of GH is point O. AB = 4x  2 and CD = 2x + 10. Find the value of x.
asked by LA 
math
Roses were planted 100 cm apart around a rectangular garden. There were no roses at the corners. They started 1 m from each corner. The garden was 5 m by 3 m. How many roses were planted?
asked by sara 
trig
Find the maximum and the minimum values of sinx + cosx and the smallest value of x which they have these values
asked by Annicka 
political science
Is politics a science or not? Give a reasons for answer
asked by jean 
math
a box with a square topside and a bottom....
asked by gauri 
Maths
Express each of the following in the form Rsin(x+a), where r>0 and 0< a
asked by Annicka 
Finance
Suppose that a company decides to make an annual gift to fund undergraduate scholarships. The first of these gifts will be given today and it is anticipated that the gifts will continue forever. The nominal discount rate is 8% and the rate of inflation is
asked by Jessie 
chemistry
figure 1 HO ######## # # # # # # # # # # HO# # # #CH=CHNH2 # # # ###### # # # ######## BENZENE RING what is the name of this compound or figure 1
asked by Erika 
addition
perform in indicated addition
asked by william Hagans 
math
A boat travels 8km upstream and back in 2 hours. If the current flows at a constant speed of 3km/h, Find the speed of the boat in still water.(when the boat goes upstream, it speed reduces by 3km/h, and when going downstream, its speed increases by 3 km/h)
asked by zshen 
cprogramming
Write the following in numbers in normal decimal notation?
asked by rafaeo 
math asap
4(7+a)3= 10+3(1+p)=
asked by noahc 
math
solve by using substitution: x=y+7 y8=2x
asked by Taylor 
math
what is the acceleration when a body is ascending up a lift with a steady speed
asked by ramon 
SCIENCE
how do we derive the formula at=vfvi if we will find acceleration? please have it step by step. Thank you
asked by RANDY 
math
solve with substitution: 4x+y=2 3y+2x=1
asked by Taylor 
math
a ball is dropped from a height of 10 ft. if the ball's height after t sec is modeled by the following equation h(t)=16t^2+10. when does the ball hit the ground?
asked by sara 
Geometry
The length of the rectangle is 4 more than twice its width and its perimeter is 70m. What are the dimensions of the rectangle?
asked by Anonymous 
Calculus
For the functions f and g find for f(x)=x^2, g(x)=x+1 a)f(g(1)) b)g(f(1)) c)f(g(x)) d)g(f(x)) e)f(t)g(t)
asked by Mike 
Chemistry
Rank the following atoms from highest to lowets energy: Ca, Be, Ba, C
asked by Anonymous 
physics
When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills
asked by Patty 
physics
When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills
asked by Patty 
math
determine which two intergers the following irrational number lie
asked by kamo 
College Algebra
I need some help with a few problems. They are multiple choice but need a breakdown on how I can work the problems. Thanks for your help! 1. Factor the trinomial completely. 10x^2 + 11x6 a. (2x+3)(5x2) b. (2x3)(5x+2) c. (10x+3)(x2) d. (2x+1)(5x6) 2.
asked by Kristen 
geometry
The image of the point (1, 2) after a rotation of 180° about the origin is
asked by jessie 
geometry
The image of the point (1, 2) after a rotation of 180° about the origin is
asked by jessie 
geometry
The image of the point (1, 2) after a rotation of 180° about the origin is
asked by jessie 
Math
Two people are holding a box. One person exerts a force of 140 pounds at an angle of 65.5 degrees with the horizontal. The other person exerts a force of 115 pounds at an angle of 58.3 degrees with the horizontal. Find the net weight of the box.
asked by Jane Smith 
algebra
Solve the equation. Check your solution. 164=x59
asked by jenny 
math
solve using substitution: 4x+9y=24 y=1/3x+2
asked by Taylor 
Science
What are the independent and dependent variables in the following The Effect of Magnet Status on the Perception of Autonomy Among Charge Nurses in a Skilled Nursing Facility as Compared to an Acute Care Facility?
asked by Janna 
Chemistry
A sealed flask contains 0.60 g of water at 28 degrees celcius. The vapor pressure of water at this temperature is 28.36 mmHg. What is the minimum volume of the flask in order that no liquid water be present in the flask?  I
asked by Amy 
math
solve using substitution: 4x+9y=24 y=1/3x+2
asked by Taylor 
Heat and Molar Mass
An aqueous solution containing 34.6 g of an unknown molecular nonelectrolyte compound in 142.0 g of water was found to have a freezing point of 1.2 degrees C. Calculate the molar mass. A sample of steam with a mass of 0.553 g and at a temperature of 100
asked by Amy 
College Algebra
I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 1.Evaluate without a calculator, using the order of operations. 2^2+20820squareroot of 64 a. 36 b. 4 c. 28 d. 4
asked by Krissy 
math
solve using substitution: 4x+9y=24 y=1/3x+2
asked by Taylor 
College Algebra
I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 4.Simplify the compound rational expression. Use either method. 1+(5/y10)/y+(25/y10) a. 1/y5 b. 1/y+5 c. 6/y+25 d.
asked by Krissy 
science
do you think the efforts to improve air quality are worth the economic goals?
asked by A 
Physics
What force is needed to give a 0.25kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N
asked by Jacob 
science
what is the magnification of an object 2cm tall when placed 10cm in front of a plane mirror?
asked by christiana 
maths
solve the linear equation: 3X2y7=19,4yy+27=4y52=32.?
asked by jonathan ahmadu 
Physics
1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object? Explain the answer using your data, graphs, and kinematic equations.
asked by Isabella 
chemistry urgent urgent
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
asked by zachary 
maths
solve the linear equation: 3X2y7=19,4yy+27=4y52=32.?
asked by jonathan ahmadu 
Math
Will you please check my answers? 1. Mary Stevens earns $6 an hour at her job and is entitled to timeandahalf for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time.
asked by Anonymous 
physics
A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground
asked by davido 
physics
A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground
asked by davido 
Statistics (Please help me)
For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would
asked by Cho 
English  Ms. Sue help
I don't understand help 1. A person who translates speeches would have to know how to (1 point) draw pictures. use a microphone. speak many languages. 2. If a horse came barreling across the field, what was the horse doing? (1 point) leaping in the air
asked by Randey 
Statistics
3. The average weekly allowance of students last year at a private high school was Php 800.00 per week, based on an enrollment of 2000 students. The junior high school students who did not have this information interviewed 50 students and found their
asked by Cho (Please help me) 
Physics
1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object?
asked by Isabella 
mathsurgently needed
A line through through the point (3,0) meet the variable line y=tx at right angle at the point P. Find in terms of t, the coordinates of P
asked by Anonymous 
English3
In “The Turtle” from The Grapes of Wrath, how does the stem of the wild oat seeds use the turtle to carry it to a place where it can grow?
asked by Gary 
Physics
A bat emits a sound whose frequency is 83.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 40.5 oC, so the speed of sound is not 343 m/s. Assume that air behaves like an ideal gas, and find the wavelength of the
asked by Orla 
Physics, help me!
On a curved roadway of radius 100m, the suggested speed is 35mph(approximately 16m/s). What must the coefficient of friction be between a car's tires and the road for the car to safely negotiate the curve at the posted speed?
asked by Bryan 
AP Chemistry
a 6.33Liter football is filled with air at 1.75 atm at 25.5 degrees Celcius. At the same temperature, the volume of the football is reduced to 2.35 Liters. What is the pressure of air in the ball?
asked by Austin 
math
Jo bought an item for 45¢, and paid with a $1.00 bill. How many different ways could she get her 55¢ change with combinations of only nickels, dimes and quarters?
asked by ashly 
Lang Arts
Hi. I need help with one question, and then I need someone to check my others. The first one is the one I need help with. Thank You. ________________________________________ 1. Which of the key reading skills for reading informational articles involves
asked by Jman 
mathsurgently needed
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes xy+2z=5 and 3x+y+z=6
asked by Anonymous 
math
What is 288 in exponential form?
asked by Tebogo 
Help! Desperate, physics
a 40 kg child slides down a frictionless playground slide from a height of 2.0m. What is her speed at the bottom of the slide? Would the answer to part A change if she jumped straight down instead of sliding? How would the answer to part A change if the
asked by Jazzy 
College Algebra
Last one for today! Again would appreciate a breakdown on how to get to a resolution. It is multiple choice. 1. Simplify the expression using the quotient to a power property. (3y^6/z^7)^3 a. 27y^9/z^7 b. 3y^9/z^10 c. 27y^18/z^7 d. 27y^18/z^21 2. Use a
asked by Krissy 
chemistry
Write the balanced equation of the reaction described below. Include the states (s, l, aq, g) for the reactants and products. When aqueous calcium chloride and sodium phosphate are mixed, solid calcium phosphate and acqueous sodium chloride are produced.
asked by thad 
Math
Sally dilivered 148 newspapers and received $0.03 per paper. What were her earnings?
asked by Lyn 
Algebra 1
(3 points) Frank invests $2,745 for 3 years at a rate of 3.5%. How much interest did Frank make? PLEASE HELP SOOOON!!!
asked by Haylie 
Science
2. Summer occurs on the hemisphere of Earth that is _____. turned away from the sun tilted toward the sun tilted away from the sun turned toward the sun 3. Earth has a(n) _____ and _____ magnetic pole, just as a bar magnet has opposite magnetic poles at
asked by Jman 
mathsurgently needed
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes xy+2z=5 and 3x+y+z=6
asked by Anonymous 
chemistry?
what mass of Al(NO3)3 is required to remove 155g of Ba(NO3)2?
asked by Anonymous 
math
bob can fill bucket in 25 seconds in the sink, sue can fill same bucket in 17 seconds with hose, how much longer will it take bob to fill 15 buckets
asked by Jen 
Math
Two shirts cost $12.50. How much will it cost to buy five of the shirts? Select all the pairs of ratios that form a proportion. Which are: 1/6,4/20 7/9,28/36 14/18,21/27 30/80,6/18. For which value of m is 4/16=m/24 a proportion? Solve the proportion.
asked by Anonymous 
math
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the
asked by jenny 
Help me!, Physics
A 60g piece of ice at an intial temperature that is unknown is placed into a glass of 250g of water sitting at room temperature when it is 80 degrees F in the room. The glass and ice come up thermal equilibrium at 4 degrees Celsius. What is the original
asked by Jazzy 
Math
I have 3 digits. My middle digit is 4, the first is 8 and the last 2. Who am I?
asked by Noghto 
chem help
i just don't know where to begin/how a) Write a balanced chemical equation for: potassium carbonate + magnesium chloride b) Write a balanced chemical equation for: sulfuric acid + calcium carbonate c) Write a balanced chemical equation for: sodium sulfate
asked by thad 
physics
a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the copper?
asked by c 
physics
the magnitude of the tongue produced by a 3.0n force applied to a door at a perpendicular distance of 0.25 m from the hinge
asked by john 
Calculus
In these complex exponential problems, solve for x: 1)e^(i*pi) + 2e^(i*pi/4)=? 2)3+3=3i*sqrt(3)=xe^(i*pi/3) MY attempt: I'm not really sure of what they are asking. For the 1st one I used the e^ix=cos(x)+i*sin(x) and got 1+sqrt(2) +sqrt(2)i 2) I solved
asked by Lisa 
Social study's
What is the name of the bay that is connected to the Atlantic Ocean by the Hudson strait?
asked by Dominique Spolarich 
Chemistry
for each of the following, give an answer with the correct number of significant figures: A. 400 times 185 b. 2.40 divided by 4 times 125 c. 0.825 times 3.6 times 5.1 d. 3.5 times 0.261 divided by 8.24 times 20.0
asked by tara 
calculus
Find parametric equations for the line that is perpendicular to the plane 2xy+3z=7 and intersects the plane when x=1 and y=1.
asked by Zac 
Geometry :)
Use coordinate geometry to prove that the quadrilateral formed by connecting the midpoints of a kite is a rectangle. I have no Idea how to do this problem, so if anyone could help I would be very greatfull. :)
asked by Bob 
Math
What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer? I can't remember how to start this.
asked by Jennifer 
chem
I2 + 5 Cl2 + 6 H2O 2 HIO3 + 10 HCl What is the reducing agent? In your answer give the element symbol and oxidation state.
asked by simon 
Chemistry
Why is the emperical formtlar of C3H6O2 multiplied by 2 when calculating?
asked by Aliy 
Calculus
Use a trig identity to combine two functions into one so you can solve for x. (The solution should be valid for any value of t). 3cos(t) + 3*sqrt(3)*sin(t)=6cos(tx) I know that 6 cos(tx) can be 6(cos(t)cosx(x)+sin(t)sin(x)) I don't know where to go from
asked by Lisa 
math need help
1. ÚQTR and ______ are complementary. ÚQTS ÚRTS ÚPTN ÚQT 2. ÚQTN and _____ are supplementary. ÚQTS ÚQTP ÚRTS ÚPTR 5. ÚPTN is adjacent to _____. ÚQTR ÚPTS ÚRTS ÚNTS
asked by Jman 
maths
a milkman has 3 containers of 3litres, 5litres and 8litres.the 8litre container is completely filled with milk.the milkman wants to measure 4litre milk.how can he do this with these 3 containers?
asked by berton 
math
Prove that: “In a parallelogram, the diagonals bisect each other” by using vectors
asked by asi 
maths
three men go to forest with some apples. At night one of them gets up and divide the apples in 3equal parts and one apple is leftwhich he gives to monkey. After some time 2nd of them gets up and divide the left apples in three equal parts. And again one
asked by berton 
English 8R  help!!!!
I'm reading this book "The Day of Courage: Little Rock Sotry" for my english assignment. The thing is that I'm can't take home the book. Is there a website that I can read it online. Thank You!!! :)
asked by Laruen 
Statistics
Prospective Cohort Study The following tables show the crude and sexspecific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of followup. Use these
asked by netspirit 
math
The world's tallest building is the Burj Khalifa in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Ryan wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. He has decided to
asked by jenny 
English 11 B
Langston Hughes Questions: 1. Why does Edward hand over his belongings? (1 point) A. He is afraid. B. He feels sorry for the men. C. He is in a hurry and thinks he will be able to get to his destination more quickly if he does as he is told. D. none of the
asked by Tina 
math 209
find the value of annuity for a 1=$3000, I=0.09, n= 25
asked by james 
Final Temperature
A sample of steam with a mass of 0.553 g and at a temperature of 100 degrees C condenses into an insulated container holding 4.25 g of water at 4.0 degrees C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the
asked by Amy 
Chemistry
The water in a calorimeter raises five degrees (F). There was five mL of water to start with.
asked by Nadir 
Health
In a calorimeter, there's 5mL of water. The temperature rises by 5 degrees (F). How many calories are in the item put in the calorimeter?
asked by Nadir 
math
what is tell me rule it frist grade help please......
asked by janiah 
Math
Expand an simplfy. 3(x6)(x+4)(3x5)^2 Is the answer 6x^2+24x39
asked by Sarah 
music
Einstein on a Beach was a unique opera because it A. had a single violinist. B. was exclusively recitative. C. was written in Chinese. D. had no plot and very little singing. Is it C?
asked by Bobby 
Math
Simplify. Express answer with positive exponents 48x^8y^3/ 12x^4y^6 Is x^12\4y^9
asked by Sarah 
math
Rachel gave one fourth of a pie to five friends.How many pies did she give to her friends in all?Write the mixed number.
asked by jhoon 
math
a time capsule is in the shape of a cylinder with a hemisphere at each end. if the capsule is surrounded with a metal outer layer 4 cm thick as shown( there's a picture) then determine the volume of the metal outer layer. round your answer to the nearest
asked by mary 
Math
If I sale fifty tickets and kids tickets are three dollars and adults tickets are five dollars I got 180 dollars in total how many tickets both adults and kids have in all if I sold fifty tickets
asked by Jada 
College Algebra
I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest
asked by Kristen 
Chemistry
What volume would be occupied at 0°C and 1 atm by 3 mol CO₂(g)? I just might need someone to help me work this out, I would greatly appreciate it! I don't understand this chemistry problem.
asked by Sara 
physics
The Amy Anhasier family began a vacation trip by driving 700 km west.Then the family drives 600km south,300 km east,and 400km,.Where willthe Amy end up in relation to their starting point?
asked by Anonymous 
Chemistry
Just having some trouble with this chemistry problem.. Thanks for help! Toxic carbon monoxide (CO) gas is produced when fossil fuels such as petroleum burn without enough oxygen. The CO can eventually be converted to CO2 in the atmosphere. Automobile
asked by Sara 
MATH
No one has answered my question!!!!! it's on math !
asked by Anonymous 
phyiscs
What is the spring constant of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from it? Answer i know the answer is 295 n/m but im nto sure how they got to it,
asked by v 
9TH GRADE MATH
IF C=2M+D THEN M=
asked by KIM 
Math
What is the decay rate in the function A(t)=0.8(0.65)^t
asked by Alessia 
ANY LINKS FOR THIS ?? MATH
Essential Math 7  Unit Rates and Ratios of Fractions
asked by tesj 
Social studies
I need help!!!!! What did Egypt need from Nubia? And what did Nubia need from Egypt?
asked by Gabby 
History
identify two differences between enslaved Aftricans and indentured servants
asked by Taylor 
math
leon weighed a bag of pears. then he added 4 pounds of pears to the bag. after he took out of 5 pounds of pears, the bag weighed 3 pounds. how much did the bag weigh at the start
asked by mythreyee 
math
a wooden board is 3 yards 1 foot long . which show an equivalent length
asked by tishana 
math
a wooden board is 3 yards 1 foot long . which show an equivalent length
asked by tishana 
hhhh
The Danube flows from germany to the
asked by yhhhh 
science 8th grade
write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize the benefits of the table to the chemical profession. Remember, the chemists have never seen such a table.
asked by ali 
Proof math problem help? Please help if you can!
Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 = PC^2 + PD^2 It can be solved using geometry methods (no trig). Anyway, I figured out that PA^2 +PB^2 = 2OP^2 + 2OB^2. However,
asked by Knights 
geometry
when two perpendicular lines intersect, do they form four congruent angles?
asked by jessie 
math
rocio finished 21 pages of a book in 3 days. monday she finished half of what she did on tuesday and wednesday she finished twice as much as she did on tuesday. how much did she read each day?
asked by theresa 
geometry
when two perpendicular lines intersect, do they form four congruent angles?
asked by jessie 
Math
A rug covers 1/4 of floor. The area of the rug is 10 ft.2. What is the area of the floor?
asked by Maggie 
us history
What issue needed to be settled before the smaller states agreed to the articles of confederation?. A:how to pay taxes B:ho to pay debts C;what to do with the western lands d:who got to vote
asked by jj 
Science
The total resistance of a series circuit is 500 ohm. What percentage of the total voltage appears across a 22 ohm resistor in the series circuit?
asked by Treavonne 
trig
An aircraft maintains a speed of 500 miles per hour in a southwestern direction. The velocity of the jet stream is constant 50 miles per hour from the west. Find the resultant vector, the speed, and actual direction of the aircraft.
asked by Deb 
Chemistry
What coeffients do you need for NaCL+Ca(OH)2=CaCl2+NaOH
asked by Emilee 
algebra2
What are the instructions for cubing a binomial? The problem is (x1)^3
asked by Lilly 
math
valerie earns $25 a day plus $3 for each dog she washes. make a function table to show the relationship between the number of dogs she washed d and the total amount earned t in one day. write an equation to represent the situation.
asked by summer 
math
Brian cut an extra large round pizza into 12 pieces. Seven of the pieces were eaten. What angle measure of pizza is left?
asked by amomouse 
MATH
If a picture width is 4in wide 6in tall what would be the new height if the width is 1.5in?
asked by Janir 
math(ASAP HELP)
7. two paths diverge at a 48 degree angle. two mountain bike riders take separate routes at 8km/hr and 12 km /hr.how far apart are they after two hours? 8. Draw a diagram to solve this problem: Ajax is 10 km due west of Oshawa. Uxbridge is 18 km NW of
asked by kelsey 
us history
what did virginia and new york want to added to the constion is it billof rights
asked by anonymous 
Biology
1.Which of the following accurately describes the relationship between cyanobacteria and halophiles? A.Cyanobacteria are photosynthetic, which suggests they existed before halophiles. b.Halophiles can survive in extreme conditions, which suggests they are
asked by Anne 
MATH
What is the scale factor?
asked by Janir 
algebra
on a scatter plot how can you determine if driving speed and driving time show a positive, negative or no relationship?
asked by sandy 
Economics
In two or three paraghaphs,discuss how industrial growth in Texas has affected its natural resources
asked by Martha 
Math
What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer? I can't remember how to start this.
asked by Jennifer 
MATH HELPPPPPPP
Noah and Brianna want to calculate the distance between their houses which are opposite sides of a water park. they mark a point, A, 150 m along the edge of the water park from brianna's house. the measure ÚNBA as 80‹and ÚBAN as 75‹.
asked by kelsey 
math
Sara needs help solving the problem 11x8. Which pattern can she use to help her find the product?
asked by Shaun 
Math
Huong reduced the size of a rectangle to a width of 1 inch. What is the new height if it was originally 18 inches tall and 6 inches wide?
asked by Ally 
math
82 over 100 in simplest form
asked by rubie 
mathalgebra 1
At 8am, Minnie Mouse leaves home driving 35 mph. A half hour later Mickey Mouse drives 50 mph to catch up to her. If Mickey Mouse is delayed 15 minutes with a flat tire, at what time will he catch up to Minnie Mouse
asked by courtney 
math
input 0 output 18 input 1 output 21 input 2 output 24 input 3 out put 24 whats my rule
asked by reed 
Chemistry
1. Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it
asked by Tyler 
math VERY URGENT AND IMPORTANT
Estimate the product of 1 9/10 and 15. Describe your method. Also,estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.
asked by Anonymous 
us history
which of the following is a power of the legislative power is it establish lower federal ourts
asked by anonymous 
Pre Algebra
What is the radius of a circle with the area of 4pi/9?
asked by West M. 
child development
heritability estimates are computed by comparing the IQ correlations of a)the same group of individuals at various points in time b)individuals from different ethnic and SES groups c)children of different ages d)twins and other relatives
asked by giideon 
math. need help asap!!!!!
What's 0.8, and 1.1 as mixed numbers. What's 1 1/2, and 1/5 as decimals? What's 0.09, 2.46, 3/5, and 99/100 as percents. Please help. Due tomorrow!!!
asked by leslie 
math
Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values (with ace = 1). a. Describe the outcomes of this experiment. List the elements of the sample space. b. What is the probability of
asked by jonsson 
math
An airline tracks data on its flight arrivals. Over the past six months, 25 flights on one route arrived early, 150 arrived on time, 45 were late, and 30 were cancelled. a. What is the probability that a flight is early? On time? Late? Cancelled? b. Are
asked by jonsson 
math
2 over 5on a figure is shaded what percent is not shaded
asked by nina 
GENERAL CHEMESTRY
Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?
asked by ROSE 
trig proofs
cotx+tanx=secx+cscx
asked by katie 
child development
which of the following statements about the Barley Scales of nfant development is correct?> a) it emphasize complex cognitive skills, such as infant memory and problem solving b)it's helpful fpr assessing the health and wellbeing of newborns c) it taps
asked by giideon 
Math
Jasmine is manufacturing engineer who is trying to find out if she can use a 12inch by 12inch sheet of cardboard and a 15inch by 16inch sheet of cardboard to make boxes with the same height and volume. In such a pair of boxes possible?
asked by NiNa 
Math input and output
Rule :5n + 2 Input,n 1 2 3 4 5 Process Output Input 1 Process 5(1)+2 Output 7 input 2 process 5(2)+2 Output 12 input 3.process 5(3)+2 output 17 input 4. Process 5(4)+2 output 22 input 5. process 5(5)+2 output 27
asked by Jerald 
English
In the following sentence is there a direct object or a predicate adjective? Sometimes I feel nervous before a game.
asked by Emily 
math
jeff bought 6 pairs of shoes and 4 jerseys for 560. Jersies cost 1/4 price of one pair of shoes. Find price of shoes and price of jersey
asked by tyler 
college algebra
(2x^3)^3/(3x^5)^2
asked by Wanda 
Math
Find 2 consecutive positive intergers such of the first and the square of the second is 19
asked by Kiki 
English
Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut Sherlock Holmes detected in the wicked scheme the ____ hand of the evil
asked by Jerald 
Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
asked by Kiki 
Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
asked by Kiki 
Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
asked by Kiki 
Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
asked by Kiki 
Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
asked by Kiki 
Algebra
A box with a lid is to be cut out of a 12 inch by 24 inch sheet of thin cardboard by cutting out six xinch squares and folding them. What are the dimensions to two decimal places of all possible boxes that will have a volume of 100 cubic inches?
asked by Anna 
Math
Find three consecutive intergers such that the product of the first and the second is two more than three times the third.
asked by Kiki 
math VERY URGENT AND IMPORTANT
Estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.
asked by Anonymous 
Math
Sally bought a sweater for $46.75 that originally cost $85.00. What was the percent of decrease from the original to the sale price?
asked by Mateo 
English
Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut The ____ mood of our cheerful little gathering changed abruptly to sorrow when
asked by Jerald 
Outline
When you make an outline format, do you make spaces in between each topic. For example: A.topic a.detail b.detail i.detail of a detail i.detail of a detail DOES A SPACE GO IN BETWEEN THESE TWO TOPICS? B.topic.......and so on.
asked by Wendy HELP!!! 
Science
A coach wants to find out the speed of the runners on a track team. Tell what simple equiptment the coach needs in order to do this and explain how it should be done. You need to know the time and distance in order to calculate speed. Think of some typical
asked by Jerald 
math
what is the number of tiles you would need to make a rectangle that 6 tiles wide
asked by cheyenne 
math
(4)5=1????? Or.......
asked by Anonymous 
calculus
Find the parametric equations for the line that contains the point (3,1,4) and is parallel to the line r(t)=(1+2t)i+(3t)j+(5+5t)k
asked by Zac 
Educational Assitant
As an Educational Assistant you are leading a group converstation with 12 grade 4 students. They are having a discussion about the story that they have just read about a boy who has stolen a toy from a local corner store. The conversation has turned to the
asked by Sally J Raphel 
math
what is 9 1/5 minus 3/5?
asked by Anonymous 
English
Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut The feeling of ____ I had when I was paid lasted only until I had finished
asked by Jerald 
physics
A solid nonconducting sphere of radius 13 cm has a positive charge 9.8 × 108 C spread uniformly throughout its volume. The electric field at a point within the sphere at a radius 5.0 cm has a magnitude of
asked by adam h. 
Math
Please someone answer one of kiki's questions. I need serious help
asked by Kiki 
math
on a scale drawing, the scale is 1/2 inch = 2 feet. Find the dimensions of each room in the scale drawing if a room is 14 feet by 18 feet
asked by phyllis murphy 
child development
which factors seems to be most important for the development of makebelieve play? a)Maturation of the frontal lobes and the cerebellum b)Children's readiness to engage in makebelieve play and social experiences that promote t c)Development of perspective
asked by gideon 
AP Physics B
I have one our part question left that I just don't understand! Please help me!! Part 1 An 11.6 kg block of metal is suspended from a scale and immersed in water as in the ﬁgure. The dimensions of the block are 12.9 cm × 9.7 cm × 9.7 cm. The 12.9 cm
asked by Taylor 
math
what are two equivalent fractions for 10/13??
asked by audrey 
AP Physics B
A 1.2 kg rectangular air mattress is 2.1 m long, 0.46 m wide, and 0.09 m thick. If it has a mass of 1.2 kg , what additional mass can it support in water?
asked by Max 
English
I have cringe martial innovation and format left in my word box I don't expect you to be a hero but do you have to ____ in that cowardly fashion whenever someone disagrees with you cringe? During the war years the government tried by all kinds of
asked by Jerald 
math
you roll a standard cube once. whats a odds in favor of rolling a 5
asked by suee 
AP Physics B
An empty rubber balloon has a mass of 0.01 kg . The balloon is ﬁlled with helium at a density of 0.181 kg/m3 . At this density the balloon has a radius of 0.493 m . If the ﬁlled balloon is fastened to a vertical line, what is the tension in the line?
asked by Clark 
Chemistry
Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl  2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted
asked by Valerie 
Chemistry
Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl  2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted
asked by Valerie 
AP Physics B
Part 2!!!! An object weighing 305 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 270 N . Immersed in oil, the object appears to weigh 279 N . Find the density of the object. Answer in units of kg/m3
asked by Clark 
Chemistry
Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl  2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted
asked by Valerie 
Chemistry
How much of a 2.0 molar NaCl solution would you need to make 250 mL of a .15 molar NaCl solution?
asked by Vinny 
math
in the problem 1 3/5 x 3 1/4 round each number to the nearest whole number then multiply ?
asked by angel 
English
Minimum is best described as A. great number C.equal number The other answer choices are cut off but A and C don't mean minimum right? Because minimum is the smallest possible amount
asked by Jerald 
chemistry
Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl  2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted
asked by Valerie i need it ASAP 
English
Of all the different types of writing humor may be the most (perishable jovial) because each generation has its own idea of what is funny jovial? I felt that there was something thoroughly (sinister immobile) about the way he kept trying to duck questions
asked by Jerald 
Math
If Sarah selects a shirt, without looking, from the ones below, what is the probability she will pick a gray shirt or white shirt?
asked by Jaiden 
6th grade math
Is 15 equal then to 15 or less then? My answer is less then an i right if not please tell me how and why?
asked by Miki 
college algebra
solve for x 4/3x1
asked by Wanda 
physics
A narrow beam of light passes through a plate of glass with thickness 1.4 cm and a refractive index 1.55. The beam enters from air at an angle 23.5 . The goal is to calculate the deviation d of the ray as indicated in the figure.
asked by cece 
math
Simon must choose one fiction book and one biography for a reading project. he has 6 different fiction books to choose and 7 different biographies to choose. write an equation to show how many different ways he can choose one of each type of book?
asked by Jaiden 
math
If Mickey selects a yoyo, without looking, from a pail that contains 6 red yoyos, 5 blue yoyos and 4 white yoyos, what is the probability he will pick a blue yoyo? red yoyo? white yoyo?
asked by Jaiden 
physics
A car with a mass of 3200 kg and a velocity of 50 m/s brakes to a final velocity of 25m/s in a distance of 85 m. what is the force the brakes apply to stop the car.
asked by physics 
English
Robin Hood's faithful band of merry men were not only (crotchety jovial) companions but brave fighters as well jovial? Her mind is so (impassable nimble) that she always seems to be one step ahead of us in any matter discussion nimble? The self styled
asked by Jerald 
math
a spinner has four equal parts marked 14, another spinner has 3 equal parts colored red, blue and yellow. What are all the possibe outcomes?
asked by Gary 
Physics!
A 0.3 kg brick is dropped form a height of 8 meters. It hits the ground and comes to rest. a) Calculate the impulse exerted by ground on the brick. b) It takes 0.0013 seconds from the time the brick first touches the ground until it touches the ground.
asked by Carol 
Gramma
The following sentence is grammatically incorrect: Where the lack of a natural prewdatoar in Yellowstone National Park has aresulted in the overpopulation of bison, deer and elk. 1.The sentence is not complet 2.This is a runonsentence 3. The subject does
asked by Lady Gia 
Educational Assistant
Thank your for your idea Ms. Sue do you think that this could be a an appropriate re phrase? Maybe some of the people in country X do steal, but we cant judge the boy in the story because we don't know where he is from?
asked by Sally J Raphel 
math
x=y plus 19 and x plus y=13=
asked by sheri 
math
A 2 m tall person standing on the ground looks up at an angle of 34.0 o with the horizontal and sees the top of a tree and the top of a building aligned. The tree is 20 m away from the person, and the building is 51.0 m from the person
asked by tim 
math
The following numbers can be represented as 8bit numbers in the binary representation.Which of these has a ‘1’ in the second place from the right in the binary representation? A. 171 B. 185 C. 214 D. A and C
asked by lin 
math
nathan drove 262 miles in 5 hours at a canstant speed. how long would it take him to drive 377.28 miles at the same speed
asked by Anonymous 
Algebra
I need help with this equation y=x2n y=2x+2
asked by Denzel 
math
A 2 m tall person standing on the ground looks up at an angle of 34.0 o with the horizontal and sees the top of a tree and the top of a building aligned. The tree is 20 m away from the person, and the building is 51.0 m from the person
asked by tim 
Physics
When a 1.53kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?
asked by Anon 
geometry
The Kramer's family room measures 23 feet by 27 feet. They are covering the floor with square tiles that measure 1 foot on a slide and cost $0.98 each. How much will they spend?
asked by carol 
Statistics (Pls. Help Me)
For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would
asked by Cho 
math
It is recommended that when calculating a quantity, all intermediate calculations should be done with extra digits. This avoids the accumulation of A. OffByOne Errors B. Roundoff Errors C. Standard Errors D. Type One Errors
asked by bella 
Math
the first row in a theater has 8 seats. each subsequent row has 3 more seats than the row before it. there are 10 rows in the orchestra section. how many seats are in the orchestra section?
asked by Anonymous 
computer
Statement: Bits can be used to represent A) numbers, B) names, C) colors and D) dates. This holds true for: A. A only B. A and C C. A and D D. A, B, C and D
asked by bella 
college algebra
2a^23a=20 solve for a
asked by Wanda 
MATH
Hi this goes to Ms. Sue or anybody I posted a question and no one answered it ! it was Anonymous and it was today under Math and it was at 1:31 ! Please answer my question ! (: Thanks !(:
asked by Anonymous 
geometry
how far up the wall is a 13 ft ladder, if the baseof the ladder is 8 feet away from the wall
asked by Tami 
Statistics (Pls. Help Me)
2. A market researcher wishes to determine the market share of the four leading brands of milk among children in Metro Manila who are 6 years old or younger. a.) Population: b.) Variable of Interest: c.) Parameter of Interest:
asked by Cho 
Chem
how to prepare a 250 mL solution of .15 M K2SO4 with a volumetric flask
asked by B 
math
Jared is making 11/3 of a recipe that calls for 21/2 cups of flour. How much flour will Jared need to use?
asked by Willie 
geometry
What is the pattern for a fractal tree?
asked by John Doe 
Math Help me
the diameter of a cylinder is 3 yd. the height is 8 yd. find the volume of the cylinder in terms of pi and to the nearest tenth
asked by Juanita 
Gramm
Anybody can servce om the committee, as long as his children goto the school.
asked by Lady Gia 
Math 7
Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original? A.) 200% B.) 150% C.) 50% D.) 75%
asked by Brandon 
us history
what issue needed to be settled before the smalller states agredd to the articles of conferderaton'' is it what to do with western lands
asked by jj 
Algebra II
1)What method(s) would you choose to solve the equation: x2 + 2x  6 = 0 A. Square roots; there is no xterm. B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. C. Factoring; the equation is easily factored.
asked by Hally 
Chemistry
Molar Mass of a Condensable vapor: The significance of immersing the flask as far as possible into the hot water bath? = Is to allow the volatile liqued to evaporate, current?
asked by AhmadM 
math 6th grade
if one side of a cube is 1/6. what are the lengths for the other sides?
asked by Anonymous 
PHYSICS
When a 1.53kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?
asked by Anon 
calculus
For what values of z will (2z)y = 0 4x+(1+z)y = 0 have an infinite number of solutions.
asked by Zac 
math
can you put the following nmbers in order form least to greatest? 17.11; 17.107; 17; 17.001
asked by heidi 
Physics
You need to move a 128kg sofa to a different location in the room. It takes a force of 99 N to start it moving. What is the coefficient of static friction between the sofa and the carpet?
asked by Caleb 
Statistics (Help me please)
For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would
asked by Cho 
us
which of the following best defines federalsim is it power is shared between the centeral gov and the states
asked by anonymous 
Reading/language arts
Can someone give me a metaphor with the words DWELLING and HERB. Please.
asked by Gigi 
math
What is the area of a hexagon all angles are right angles top 18 in side 20 in other side hook 12 in and side hook 6 in also what is the perimeter?
asked by noahc 
Reading/language arts
Can someone give me a idiom with the words GIDDINESS and DESPISED. Please.
asked by Gigi 
physics
A point charge of +1 µC is located at x = −2 cm and a second point charge of −8 µC is located at x = 6 cm. Where should a third charge of +1 µC be placed so that the electric ﬁeld at x = 0 cm is zero?
asked by Alyssa 
social studies
what are advantages and disadvantages of dynastic rule in ancient Egypt
asked by may 
Reading/language arts
Can someone give me a simile with the words CANOPY and TRAMPLE. Please.
asked by Gigi 
geometry
susan drew a right angle. she drew a ray between the two rays that formeds the right angle. what kind of angle did the new ray form?
asked by susas 
math
On graph paper draw a ray from the origin through the point (10,10) then draw a ray from the origin through the point (10,10). Use a protactor to measure the angle formed by the two rays and write the measure on the graph paper What is the measure =?
asked by noahc 
math.
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the
asked by jen 
Physics
A 2563kg van runs into the back of a 826kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.
asked by Caleb 
Physics
Three point charges are on the x axis: −6 µC at −3 m, 7 µC at the origin, and −5 µC at 3 m. Find the force on the ﬁrst charge. The value of the Coulomb constant is 8.98755 × 10^9 N · m^2/C^2.
asked by Alyssa 
math
ratio as a fraction of 8 over 22
asked by Anonymous 
us history
did the state governmnet have the most power under the articles of confederation
asked by anonymous 
Trigonometry
The populations, P, of six towns with time t in years are given by: I) P=1000(1.08)^t II) P= 600(1.12)^t III) P = 2500(0.9)^t IV) P=1200(1.185)^t V) P=800(0.78)^t VI) P=2000(0.99)^t a. Which towns are growing in size? Which are shrinking? b. Which town is
asked by Lee 
math
A refrigerator is 3 ft wide, 2 ft deep, and 6 ft high. How much floor space does it cover? What is the volume?
asked by rach 
Trigonometry
The value V, of a $100,000 investment that earns 3% annual interest is given by V=f(t) where t is in years. How much is the investment worth in 3 years
asked by Karen 
AP Calculus
Oil leaks out from a damaged oil tanker and forms a circle around the tanker. If the radius of the circle of oil is increasing at 25m/min, find the rate of change of the area when the radius is 20km
asked by Jessica 
Trigonometry
a. Write a formula for Q as a function of t. b. What is the value of Q when t=10 1. Initial amount 2000; increasing by 5% per year 2. Initial amount 112.8; decreasing by 23.4% per year 3. Initial amount 5; increasing by 100% per year
asked by Alex 
Trigonometry
In 2010, the population of a country was 70 million and growing at a rate of 1.9% per year. assuming the percentage growth rate remains constant express the population P, as a function of t, the number of years after 2010.
asked by Jamie 
math
On graph paper draw a ray from the origin through the point (10,10) then draw a ray from the origin through the point (10,10). Use a protactor to measure the angle formed by the two rays and write the measure on the graph paper What is the measure =?
asked by noahc 
Trig!
a) The annual inflation rate is 3.5% per year. If a movie ticket costs $7.50, find a formula for p, the price of the tickets t years from today, assuming that movie tickets keep up with inflation. b) According to your formula, how much will movie tickets
asked by Ashley 
Math
He describe the amount of money made based the number of hours worked by the function rule y= 10h. Given this function, how much money does he earn for each hour worked? Thanks
asked by Clashy 
Physics
A car traveling at 20 m/s accelerates at 7 m/s2 for 3 sec. How fast is it now traveling? Please help!
asked by Jamie 
integrated math
Suppose a laboratory has a 26 g sample of polonium210. The halflife of polonium210 is about 138 days.?
asked by sara 
math
omar lays down straight tracks for his model railroad. each length of track is 8 inches long. which of the following could be the total length of omar's track?
asked by emm 
Physics
When a 1.53kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?
asked by Anon 
accounting
The following stockholders' equity accounts arranged alphabetically are in the ledger of McGrath Corporation at December 31, 2011. Common Stock ($10 stated value) $1,500,000 Paidin Capital from Treasury Stock 6,000 Paidin Capital in Excess of Stated
asked by Anonymous 
Physics
The patient in the figure below is to receive an intravenous injection of medication. In order to work properly, the pressure of fluid containing the medication must be 108 kPa at the injection point. (a) If the fluid has a density of 1024 kg/m3, find the
asked by Jacob 
cooking class
what are ladles used for?
asked by Kandy Bear