Questions Asked on
September 16, 2013

Physics (pls help mr.bobpursley or drbob222)
A block is resting on top of a rough incline with coefficients of kinetic and static friction of 0.25 and 0.45 respectively. The angle of the incline is gradually increased until the block just begins to slip. How long will it take the block to slide to
asked by K 
computers
I need someone help me to modify PDF file by any program Photoshop...
asked by John 
math
if thr mechanic says that it will take seven days to repair your car, then it will actually take ten days. The mechanic says, "I figure it'll take a week to fix it." Then you can expect it to be ready ten days from now. I don't understand how this would be
asked by lisa 
Math
On May 23, Samantha Best borrowed $40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan? Using the scenario from the previous question, calculate the
asked by Ashley 
Algebra 2 please help!
The air resistance R(in pounds) on a racing cyclist is given by the equation R=0.00829s^2 where s is the bicycle's speed (in miles per hour). a. What is the speed of a racing cyclist who experiences 5 pounds of air resistance? b. What happens to the air
asked by Kylee 
ap history
to what extent did populists continue to focus on grievances of earlier movements?
asked by June 
English
1. What are you going to do for Chuseok? I am going to buy some gifts tonight and I will hand them to my cousins on/for Chuseok. (Can we use 'for' in Sentence 1 before Chuseok?) 2. What are you going to do on Chuseok? Three days ago, I bought some gifts
asked by rfvv 
Physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.18 m/s. The car is a distance d away. The bear is 35.3 m behind the tourist and running at 6.24 m/s. The tourist reaches the car safely. What is the
asked by Anonymous 
Business
American Federation of Labor leadership
asked by Anonymous 
Math Help Please
Find a polynominal of degree 4 that has integer coefficients and zeros 4,4,5 and 1/2.
asked by Katie 
algebra
3,6,9,15, 24,39 what is the next number in the sequence & why? i know it's going by 3 but its skipping numbers so I'm not sure if it would be 45,48,51,54,57,60,or 63
asked by jess 
algebra
4,7,12,19,28,39, I don't see one common difference & how would the next number be 52?
asked by jess 
algebra
 x  >= 8
asked by Lucy 
calculus
Find circumference of the circle r=2acos theta. s= Int (0 to 2pi) of Sqrt(4a^2cos^2 theta+4a^2sin^2 theta)d theta =Int (0 to 2pi)2a*Int theta d theta =2a(2pi0)=4a*pi Book shows 2a*pi. Am I wrong somewhere?
asked by ms 
English
What is the tone of at the lunch counter?
asked by Kate 
Chemistry
Calculate the concentration of potassium ions in grams per liter after mixing 100 ml of 0.250 M KCl and 200 ml of 0.100 M K2SO4
asked by Elaiza 
chemistry
A particle with the mass of a proton is trapped in a box. The particle falls from the n=3 state to the n=2 state and emits 0.16 meV of energy. What is the size of the box? Please report your answer in nm.
asked by qwerty 
Math
Find the value of(X5x+4)if x=7
asked by Kiran 
Chemistry help please
How many milligram of lysozyme (MW=14,600 g/mol) are needed to make 3 liters of a 10^6 M solution?
asked by Kris 
Chem wondering how to set it up
1.) A biochemistry student wants to make 4 liters of a phosphate solution using 48.6 g Na2HPO4 (FW=141.96) What is the concentration of this solution? 2. When she reaches the storeroom she finds that there is no Na2HPO4, however there is a bottle of
asked by Jon 
Physics
It takes you 10min to walk with an average velocity of 1.2m/s to the north from the bus stop to the restaurant entrance. What is your displacement?
asked by Abdullah 
math
Kate is at a Tshirt sale where she can buy one and get a second one for 30% off. She wants to buy two Tshirts listed at $19 each. How much will she pay? A)$13.30 B)$24.70 C)$32.30
asked by brandi 
Chem still confused
1.) A biochemistry student wants to make 4 liters of a phosphate solution using 48.6 g Na2HPO4 (FW=141.96) What is the concentration of this solution? 2. When she reaches the storeroom she finds that there is no Na2HPO4, however there is a bottle of
asked by Jon 
dma040
42inch board is cut into 3peices. Peice 2 is twice as long as the 1st & 3rd peice. Peice 3 is three times as long as peice 1. What are the lengths of all 3 peices? Pc 1 Pc 2 Pc 3
asked by Anonymous 
Pschology
Which of the following requires written patient consent? A. Law enforcement investigation B. Insurance company for bill payment C. Research project D. Medical emergency I think it could be a or d
asked by Gran 
chemistry
Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?
asked by Junior 
chemistry
Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?
asked by Junior 
FIN
Question 2 Archer Daniels Midland Company is considering buying a new farm that it plans to operate for 10 years. The farm will require an initial investment of $12.00 million. This investment will consist of $2.00 million for land and $10.00 million for
asked by Parris 
physics
Coasting due east on your bicycle at 8.0 m/s, you encounter a sandy patch of road 7.4 m across. When you leave the sandy patch your speed has been reduced to 5.5 m/s. Assuming the bicycle slows with constant acceleration, what was its acceleration in the
asked by john 
biology
1.Briefly explain the evolution of limb orientation and the effects of limb posture on support and locomotion. 2.The transition from the aquatic to the terrestrial environment resulted in what kind of evolutionary changes in the girdles of tetrapods? Why
asked by ami 
Chem
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.3cm . Its mass is 1.2kg . Calculate the density of the metal.
asked by Cf 
chem
A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank?
asked by Cf 
MATHS
lim(sqrt(x^4x^2))=0 True or false?
asked by Marian 
chem
A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank?
asked by Cf 
MATHS
The slope of the straight line passing through the points (0,0) and (3,2) is: 2/3 TRUE OR FALSE?
asked by Marian 
Sepration chemistry
Mixture of A,B,C if the mole fraction of A is 30 and B is 35 Volume percent calculate the mass and mole fraction of each compnant. given that A is methane, B is ethane, C is propane. use SI unit and English unit.
asked by NONO 
College Physics
vector A has a magnitude of 29 units when B is added to A . find magnitude of B.
asked by Anonymous 
phycal science
potassium nitrate + water it is a dependent variable or independent variable?
asked by thembi 
chem
A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank? I converted 15.4 gal to 58273.6 ml what do i do next?
asked by Cf 
phycal science
potassium nitrate + water it is a dependent variable or independent variable?
asked by thembi 
chem
Compute 4659¯0−214¯00. Round the answer appropriately. Express your answer numerically using the proper number of significant figures.
asked by Cf 
Electrical
If I2=2mA, I4=4mA, and I6=6mA, find I1,I3, and I5 ??
asked by NONO 
chem
Rank the size of a change in temperature of one degree Fahrenheit, one degree Celsius, and one kelvin. In other words, if a thermometer were to show that the temperature outside increased by these amounts, which change would feel the largest? If any of the
asked by Cf 
Maths
Nth terms I have to find the first 5 terms in the nth sequence. please could someone show me how to work this out, using the example below so I can do the next set of questions. 102n
asked by Sam 
Math
You are buying gifts for 10 people. You decide to buy each person either a CD or a DVD. A CD costs $12 and a DVD costs $20. Write and simplify an expression in terms of c for the total cost of all the gifts you buy. My answer My expression is 12c +
asked by Anonymous 
smk lutong
A compound consists only of carbon, hydrogen, nitrogen, and oxygen. Combustion of 10.68 g of the compound produced 16.01 g carbon dioxide and 4.37 g of water. the molsr mass of the compound is 176.1 g/mol. what are the
asked by nadeen 
Psych
Why is it necessary to use the Diagnostic and Statistical Manual when working with clients? Is it an effective tool? Why or why not?
asked by LaQuin 
Physics
A police car is traveling at a velocity of 19.0 m/s due north, when a car zooms by at a constant velocity of 49.0 m/s due north. After a reaction time 0.600 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the
asked by Tonya 
Calculus
What is the limit (as u>2) of square root(4u+1)3/u2. I got 1 as an answer, but I want to check if that's right. I heard it could be something else so I'm unsure and doubtful of my answer.
asked by Ezra 
physics
(a) Two protons in a molecule are 3.80 multiplied by 1010 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one
asked by suhani 
Math
How many distinct real numbers x are true for f(x)=0. Explain. F(x)=x^2+(1/(500x^21000))
asked by Kay 
statistics
Suppose scores on the mathematics section of the SAT follow a normal distribution with mean 540 and standard deviation 120. ACT math scores are normally distributed with a mean of 18 and a standard deviation of 8. What score on the ACT is equivalent to a
asked by Anonymous 
math
Lisa runs 6 miles in 55 minutes, at the same rate, how many miles would she have ran in 44 minutes?
asked by Heather 
st.xavier
Determine the horizontal force P required to start the movement of the 200 lb blockup the 300inclined surface. The static coefficient of friction between the inclined surface and the block is ms = 0.25.
asked by pankaj 
Physics
Two identical heavy metal spheres are released from the same height. Sphere 1 is at rest, and sphere 2 has a velocity of 10 m/s in horizontal direction.
asked by Kelsey 
Chemistry
why is it impossible to completely separate ethanol from water?
asked by Tim 
Physics
At the airport they have people movers (horizontal escalators). Your friend decides to use the people mover and since you've been sitting decide to walk along side. You would like to continue your conversation and thus need to continue moving at the same
asked by Kelsey 
Spanish
¿Con quién _____ tú el almuerzo? A. comparto B. compartes C. compartimos D. comparte B?
asked by Danny 
Chemistry
why is it impossible to completely separate ethanol from water?
asked by Tim 
Spanish
_____ las salchichas. Como salchichas todos los días. A. Me gusta mucho B. Me encantan C. No me gustan nada D. Me encanta B?
asked by Danny 
Physics
A girl delivering newspapers covers her route by traveling 9.00 blocks west, 3.00 blocks north, and then 1.00 blocks east. What is the total distance she travels?
asked by Kelsey 
TV ownership
Who owns the BBC? It must be stateowned (maybe a Crown entity)
asked by Alex L. 
physics
One side of the roof of a building slopes up at 30.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. The rock slides straight up the incline with an initial speed of 15.0 m/s. The coefficient of kinetic
asked by Anonymous 
science
Contact lenses improve lives. Contact lenses are an example of what? Is the answer physics?
asked by Miai 
physics
One side of the roof of a building slopes up at 30.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. The rock slides straight up the incline with an initial speed of 15.0 m/s. The coefficient of kinetic
asked by Anonymous 
physics
One side of the roof of a building slopes up at 30.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. The rock slides straight up the incline with an initial speed of 15.0 m/s. The coefficient of kinetic
asked by Anonymous 
science
A scientist goes to a large international conference and hears about a new discovery. The scientist is very excited about these new findings and decides to verify the other scientists' results by conducting her own investigations. The scientist is being
asked by Miai 
science
A scientist observes chimps putting dry leaves into a hole in the tree. The leaves come out wet and the chimps lick the water off of the leaves. The scientist reasons that there is water inside the tree. This reasoning is called what?
asked by Miai 
spanish
Nosotros siempre _____ la comida. A. comparten B. comparto C. compartimos D. comparte A?
asked by Danny 
choice
Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a
asked by d 
science
calculate the concentration for the reaction of 0.25mole 0f sodium hydroxide NaOH and water H20 solution of 250cm^3. Provide the answer in cubuc decimeter
asked by clay 
reading help
an article that is persuasive and shows repetition
asked by loli 
BIOL HELP PLEASE!
microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony
asked by Talan 
Geometry
A rectangle has side lengths in the ratio 2:3. The ratio of the rectangles's perimeter to its area is 5:9. What is the length of the longer leg of the rectangle?
asked by Anonymous 
Triangles
Right traingles C and D share a leg. If the ratio of the area of traingle C to the area of traingle D is 5:9, C’s hypotenuse is of length 25, and D’s hypotenuse is of length 39, what is the area of C?
asked by Anonymous 
Math
The diagonal EG of rectangle EFGH has end points of (2,2) and (3,10). If EF is parallel to the yaxis, what is the perimeter of EFGH?
asked by Anonymous 
Math
What is the area of trapezoid with vertices of (4,5), (1,5), (8,3), (5,3)?
asked by Anonymous 
math
The point (4,2) lies on a line whose slope is 2. Which of the following is another point on this line? a)(2, 2) b)(2,0) c)(2,1) d)(2,3) e)(2,6)
asked by Anonymous 
College Algebre
f(x)= 3x^2+5x2 Find f(x+h)/h
asked by Sam 
Integers
If x and y are positive integers and x/5 + y/8 = 17/20, what is the value of x + y?
asked by Alice 
Social studies
Explain: When might you need to know the absolute location of a place? When might knowing the relative location be more helpful? Draw Conclusion: What additional information can geographers gain by studying regions and taking a global perspective?
asked by Anonymous 
Lating
I have to be able to identify an adjectives gender tomorrow. Could you maybe give me some exercises to practice it?
asked by Bryce 
Math
What is the perimeter of a regular hexagon with an area of 294ã3 ?
asked by Alice 
math
If the ratio of m to n is 4:7 and the ratio of n to p is 3:5, what is the ratio of m to p?
asked by Anonymous 
math
james works an average of 22 hours per week with a standard deviation of 3.5 hours. what percentage of the time does james work more than 31 hours per week?
asked by hannah 
Principles of Democracy
1) The process of amending the constitution involves both____ and ____. 2) In general, liberal ideology supports...?
asked by Kat 
Social studies
How do geographers categorize similar geographic information? What determines how regions are divided?
asked by Anonymous 
Science/ Biol PLEASE HELP
microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony
asked by Talan 
Math
Nessie built a fence in her backyard the perimeter is 45 feet long . When she arrived at the store they were only selling fences by yards. There is 3ft in 1 yard . How many yards of fencing Nessie order for her backyard?
asked by Anabelle 
ap chemistry
Write the half reactions and the balanced equation for the galvanic cell Hg(ℓ)Hg2+2(aq)MnO4(aq),Mn2+(aq),H+(aq)Pt(s). What is the smallest possible integer coefficient of H2O(ℓ) in the combined balanced equation?
asked by Gabriella 
Physics
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m vertically before landing. (a) Ignoring friction and aerodynamic effects, calculate the speed needed by the skier on leaving the ramp.
asked by Kelsey 
Earth Space
What is fission? How is Einstein's theory of special relativity expressed? What does each letter stand for?
asked by Bryce 
statistics
You and your friend decide to get your cars inspected. You are informed that 70% of cars pass inspection. If the event of your car’s passing is independent of your friend’s car: iii. What is the probability that both of the cars pass inspection (6
asked by kelly 
math
grandma trying to help my grandson in 5th grade math...question/"explain how knowing that 5 divided 8=0.625 helps you write the decimal for 4 5/8?
asked by grandma 
Math
Find the distance between ordered pairs: (6,10) and (2,10)
asked by kim 
romanticism
which of the following would most likely be an appealing topic for an american romantic writer? a description of how to hold a seance a factual account of a man who dies while building his frontier home a journal article the nature of being an american a
asked by anonoymus 
statistics
Based on published real estate research, 65% of homes for sale have garages, 20% have swimming pools, and 18% have both features. i. Given that a home for sale has a garage, what’s the probability that it also has a pool
asked by kelly 
Algebra
An asthma medicine is to be prepared from an elixir with a drug concentration of 5 mg/mL and a cherry flavored syrup that is to be added to hide the taste of the drug. How much of each must be used to prepare 100 mL of solution with a drug concentration of
asked by Serena 
quadratic
can anyone show me steps in solving for x 49x^2 + 4606x  52,000 = 42,080 thank you
asked by Alaska Diamond 
Math
1. The table shows the growth in the number of Mcdonalds restaurants across the world. Rank the years growth in order from least to greatest. Year 2010 Growth .008 Year 2009 Growth .015 Year 2008 Growth 1/50 Year 2007 Growth 1% A.2010,2007,2009,2008
asked by Jerald 
English
In Washington Irving's "The Legend of Sleepy Hollow", which factor played the biggest role in Ichabod Crane's fate? love imagination greed competitiveness
asked by anonoymus 
Math
While at the skating rink Kris Donna Ralph and Dory ordered a pizza. Kris ate 1/8, Donna ate 3/8, Ralph ate 25%, and Dory 5%. What percentage of the pizza was eaten by group. A.14% b.25% C.40% D.80% I don't know how to solve this one. Identify the group
asked by Jerald 
Math
Which is bigger 4 1/5 or 4 2/10 I thinnk that 4 2/10 is bigger help please thanks
asked by Americal 
math
An artist is using tiles and boards for a project. A tile has length of 1 Thirds ft and width 1 thirds ft. a board has length 1 fourths yd and width 1 fourths yd. what is the ratio of the length of the tile to the length of the board? what is the ratio of
asked by bossssss 
Mathematics
I need help on this following question there are 45 choirs members going to the recital.Each van can carry 8 people.How many vans are needed?
asked by Nathalie 
Math
4.The following table shows the high and low temperatures predicted for Dallas during the week beginning Monday, August 29 2011. Which day has the biggest difference between the high and low temperatures? A.Mon D.Tue C.Wed D.Sun Monday High temp 106 Low
asked by Jerald 
Chemistry
Orange light has a frequency of 4.8 x 10^14 s^ 1. What is the energy of one quantum of orange light?
asked by Sarah 
quadratic
0>x^2 +5x 2 Can someone help me solve for x and show me the steps please
asked by Alaska Diamond 
Math
A 3mi cab ride costs $4.50. A 7min cab ride costs $8.10. Find a linear equation that models cost c as a function of distance d.
asked by Victoria 
algebra
x^2(insert radical sign) x is this statement always true is this true when x is negative is this never true is this true when x=0 Wow can't understand this. Anyone explain this to me please
asked by Alaska Diamond 
Math
6.Simplify the expression. 4+2(134)/3^2 Answer : 6 8.Qynell is making a quilt. She has finished 1/3 of the squares as shown below in the black. 8 are shaded black out of 25. 16 are white. What percent of Qynells quilt is finished? A.13% B.25% C.33 1/3%
asked by Jerald 
Math
10. Nathan got a 30% discount when he bought a new shirt. Tyler purchased the same shirt but received a 70% discount. Which of the following is equivalent to the difference between their percents of discount? A. 2.50 B. .7 C. 2/5 D. 1/4 C 12. 3/8 of the
asked by Jerald 
Physics
When a shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.1 m/s2 as it slows from 9.6 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s
asked by Simone 
Math
14. When the teachers were talking one day in the workroom one math teacher said she had 2^7 students in all her classes and the pe teacher said he has 6^3 students in all his classes. How many more students does the pe teacher have than the math? A.6 B.47
asked by Jerald 
Jeremy
A ⊆ B. Prove P(AB)>= P(A)
asked by Math 
Physics
Styrofoam has a density of 300kg/m3. What is the maximum mass that can hang without sinking from a 30.0cm diameter Styrofoam sphere in water?
asked by Anonymous 
Physics
A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it
asked by Kathleen 
algebra 1
90=5(14x)5
asked by Anonymous 
Math
18. Suppose for any ordered pair the x and y coordinate are always the same integer. Where are all the possible locations for these sets of ordered pairs? A.Quadrant 1 and 3 B.Quarants 1 and 3 and the origin C. Quadrants 2 and 4 D.Quadrants 2 and 4 and
asked by Jerald 
Math
(3+3)^2/62x4 A.16 B.2 C.0 D.4 A?
asked by Jerald 
Math
Let (2x12) degrees represent the measure of an acute angle. What are the possible values of x? So lost can some one please help me
asked by Anonymous 
Geography
How do the people use the land in New Orleans Louisiana??? ( farming herding mining industry)?
asked by Momo 
algebra
A statue is 8 feet tall. The display case for a model of the statue is 18 inches tall. Which scale allows the tallest model of the statue that will fit in the display case. A 1 inch : 2 inches B 1 inch : 7 inches C 1 inch : 5 inches D 1 inch : 10 inches
asked by Kate 
Math
The distance between two numbers on the number line is 19. One of the numbers is 8. What are the two possibilities for the other number? A.27 and 11 B.11 and 8 C.11 and 27 D.8 and 19 22.Which integer has the greatest absolute value? A.9 B.0 C.13 D.8
asked by Jerald 
English 11A
i need to write a story for English and i have to use seven comma rules along with my 20 vocabulary words. abomination blanched conjure contentious contiguous corroborate dally defamation enthrall evasive imperceptible inaudible inquisition licentious
asked by Sierra 
math
round to nearest hundred. 113, 279, 367
asked by corey 
algebra
A pharmaceutical salesperson receives a monthly salary of $3700 plus a commission of 6% of sales. Write a linear equation for the salesperson's monthly wage W in terms of monthly sales S.
asked by Anonymous 
math
which number is this rounded too, the nearest ten or hundred? 557 rounds 560
asked by corey 
math
What is greater; .1 or .8?
asked by Cassidie 
Physics
A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it
asked by Kathleen 
math
When uou divide my number by 5, the remainder is 4, my number has 2 digits and both are even and the sum of the digits is 10 what is my number?
asked by alondra 
math
how can you use models to show and name a number 1,400 in two different ways? explain
asked by lili 
physics
A .255 kg mass is attached to a spring and executes simple harmonic motion with a period of .56 s. The total energy of the system is 3.6 J. Find the force constant of the spring. Answer in units of N/m
asked by Anonymous 
math
Mrs. Jones is thinking of a number that when rounded to the nearest hundred is 400. what is the number? explain
asked by nicole 
math
why might you want to round to the nearest hundred rather than the nearest ten?
asked by nicole 
grammar
Can someone help me with parts of speech? Huxley himself came from a long line of intellectuals. His grandfather Thomas Huxley, a follower of Charles Darwin, was a rather famous lecturer and essayist. His greatuncle Matthew Arnold was a great English poet
asked by anonypous 
Math
My son's homework asks us to find the product by factoring the tens. The problem is 6 x 2, 6 x 20 and 6 x 200. I see how to do 6 x 2 (memory factor) and the 6 x 20 would be (6 x 2) and (1 x 10) then 12 x 10 = 120 but how does he show his work for 6 x 200
asked by Denise 
Math
Write the power ss a product and then evaluate 3 to the second power.
asked by Joe 
math
round to nearest hundred 1,855
asked by nicole 
Math urgent
What is 4.1 repeating written as a fraction? I don't know if it should be written over 100 or over 10.
asked by Sarah 
math
Mr Ernst leaves home at noon, traveling at 50 mph. His loving wife leaves at 1 pm with a briefcase that Mr. Ernst forgot. How fast must his wife drive to catch him by 5 pm?
asked by pete 
Math
5/4X 7/10 Multiply. Write your answer as a fraction in simplest form.
asked by myya 
Physics
A boat moves through the water of a river at 9.5 m/s relative to the water, regardless of the boats direction. If the water in the river is flowing at 0.9 m/s, how long does it take the boat to make a round trip consisting of a 300m displacement
asked by Kelsey 
Algebra 1Fractions
Or, eliminating fractions, I should say. So, I need some help. See, I am really not a big fan of fractions. But I need to eliminate fractions to do a math problem. First one is 1/2x=3/8. I know how to find LCD, then multiply both sides, distributive
asked by Breighton 
Algebra
An asthma medicine is to be prepared from an elixir with a drug concentration of 5 mg/mL and a cherry flavored syrup that is to be added to hide the taste of the drug. How much of each must be used to prepare 100 mL of solution with a drug concentration of
asked by Serena 
Math
Write each number in expanded form using exponents. Pls check 1, 234 (1*10^3)+(3*10^2)+(2×10^1)+4 210, 290, 450 (2*10^8)+(1*10^7)+(2*10^6)+(9*10^5)+(4*10^4)+5 7,123,456,089 (7*10^9)+(1*10^8)+(2*10^7)+(3*10^6)+(4*10^5)+(5*10^4)+(6*10^3)+(8*10^2)+(9*10^1)
asked by Gio 
Science
The Periodic Table is arranged so that the elements in each column have similar
asked by Anonymous 
Sciences
Helenium has an atomic number two. What can be inferred about helium from this fact?
asked by Anonymous 
Math
Simplify : 18/3+5x9 divided by 2+3x5 A.2 B.3 C.99/25 D.4
asked by Jerald 
Sciences
What is an alloy and name as many as you can?
asked by Anonymous 
Sciences
Which metal is liquid at room temperature?
asked by Anonymous 
Science
Which property makes a metal useful in electrical devices?
asked by Anonymous 
Science
Name as many properties of nonmetal as you can.
asked by Anonymous 
Science
What is a solute in seawater?
asked by Anonymous 
social studies
What are 3 levels at which a geographer might study the world? Which of these levels covers the largest area? How are maps and globes different? How are they similar?
asked by Amy 
Literature
What does this poem mean? What is th symbolism? Literary devices? Nothing Stays Put Amy Clampitt The strange and wonderful are too much with us. The protea of the antipodesa great, globed, blazing honeybee of a bloom for sale in the supermarket! We are
asked by Catherine 
finanace
Compute the cost of the capital for the firm for the following:? a. A bond that has a $1,000 par value (face value) and a contract or coupon interest rate of 11.6%. The bonds have a current market value of $1,124 and will mature in 10 years. The firms
asked by chris 
social studies
How Might Satellite Images and Computers Help Geographers Improve Their Knowledge of the World?
asked by Amy 
Math
Math Question = an aquarium holds 6 and 1/4 gallons of water. the water level dropped to 4/5 of this amount .how much water should be added to fill the aquarium Above is my son's math question and we can't figure out how to solve it. The possible answers
asked by Suzanne 
Chemistry
Help please, What is the minimum mass of NH4HS that must be added to the 5.00L flask when charged with the 0.350g of pure H2s(g), at 25 ∘C to achieve equilibrium? Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, through the
asked by Brandon 
Physics
You have a mass of 69 kg and are on a 47 degree slope hanging on to a cord with a breaking strength of 160 newtons. What must be the coefficient of static friction to 2 decimal places between you and the surface for you to be saved from the fire?
asked by Jay 
y=mx+b
how to solve we solve those types of problems
asked by jasmine 
dma 040
Substitute the given values into the given formula and solve for the unknown variable. If necessary round to one decimal place. (use approximation 3.14(pie symbol). C+2(pie symbol)r; C=40.8 r=
asked by Anonymous 
dma 040
solve the formula for the specified variable D=1/2fk for k
asked by Anonymous 
dma 040
Problem 1: Solve 3x8y=19 for y y= Problem 2: A=P=PRT for R R=
asked by Anonymous 
Physic
An elevator weighing 2000 kg falls with a downward acceleration of magnitude (1/2)g . What is the tension in the supporting cable? I got the answer as 49000 N.
asked by Shadow 
algebra
can someone show me how to solve this step by step I have sixteen to do and i am confused thank you ã2x 7+8=11
asked by xavier michael 
Math
Which number rounds to 15,700,000 when rounded to the nearest hundred thousand? A.15,000,000 B.15,579,999 C.15,649,999 D.15,659,999
asked by Diane 
Calculus
A position function has the positions listed below. t 2 4 7 10 12 f(t) 34 98 155 205 271 Approximate the instantaneous velocity at t=5. show work.
asked by DW 
algebra
how do i solve this v= 4/3 πx^3
asked by Rick 
math
how do i solve this √2x 7+8=11
asked by john simmons 
Physics
How long does it take TRex to reach its food 200m away assuming that he starts from rest and accelerates at 4.00 m/s2?
asked by Megan 
physics
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 1010 m. (The actual value is 0.529 multiplied by 1010 m.) (a) Find the electric force
asked by suhani 
PHYSICS
A rod 14.0 cm long is uniformly charged and has a total charge of 20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C toward the rod away from the rod
asked by suhani 
finance
You deposit $1000 at 2% for 20 years. What's the future value?
asked by corry 
7th Grade
I just wanna know anyone who's been in 7th grade what do you learn in science mostly throughout the year??
asked by Anonymous 
Math
Five more than three times a number is 196 what is the number?
asked by Jazz 
Reading
What was the order in which all the girls learned double dutch?
asked by Andy 
News
for my Mass Media class we have to read newspaper articles and answer Why is the story significant, and what is the impact of the story.. aren't those two the same thing? how can I answer those questions differently?
asked by Blaze 
Physics
A 45 kg child sits on a 5 kg sled and slides down a 117 meter, 31 degree slope, to the nearest m/s what is his or her speed at the bottom?
asked by Jay 
business satistics
a set of integers consists of 2,3,5,7,11,12,x. if x is increased by 1 the median of the set stays unchanged. however, if x decreases by 1, the median of the set also decreases by 1. what is the value of x?
asked by busi 
Math
2(4m+6)=8m+6 8m+12=8m+6 6= 6 _________ 8m+6= 8m 8m. =8m __________ 6=m I think in doing something wrong just not to sure when I check both sides give me different answer can someone explain please
asked by Jazz 
Algebra Homework
Find the value of k so that the line containing the points (−5,0) and (k,−2) is parallel to the line y=(5/9)x−2
asked by Mary 
MITx: 8.01x Classical Mechanics
Mary wants to throw a can straight up into the air and then hit it with a second can. She wants the collision to occur at height h=10.0 m above the throw point. In addition, she knows that she needs t1=4.0 s between successive throws. Assuming that she
asked by simonsay 
geometry
what does the definition of angle bisector mean
asked by BRYAN 
calculus
Meg's pension plan is an annuity with a guaranteed return of 4% per year (compounded quarterly). She would like to retire with a pension of $20,000 per quarter for 10 years. If she works 30 years before retiring, how much money must she and her employer
asked by Kristin 
finance
What would be a better deal: depositing money at simple interest of 5% for 20 years, or 10% for 10 years
asked by johnnie 
Chemistry
You at stranded on a desert island on which there are already 375 native habitants. For every inhabitant there are two hands, for every hand these is an eye; for every eye there is a footprint; it every four footprints, there's is a dinsosaur; for every
asked by Anonymous 
finance
You deposit $1000 at 2% for 20 years, compounded annually. What's the future value?
asked by tanya 
math
George wants to build a square fence using 80 meters of wire. What is the area of the fence if you use all of the wire equally among each side?
asked by Ella 
Physics
A 0.45kg kg mass is attached to a spring with a force constant of 29N/m N/m and released from rest a distance of 3.3cm cm from the equilibrium position of the spring. How far is the mass from the equilibrium position when its speed is half the maximum
asked by Anonymous 
Math :(
2b=b+2+b 2b= 2b+2 2b=2b+2 __________ B=2????
asked by Jazz 
Physics
the ratio R at which paint can be sprayed from a spray gun may be expressed as R=at If R is measured in m^3/s and time is measured in seconds what are the units of a????
asked by Chrisitina 
Reading
I can't find the word keening in the book hatchet
asked by Abby 
physics
in 1954 roger bannister became the first human to run a mile in less than 4 minutes. suppose that a runner on a straight track covers a distance of 1.00 mi in exactly 4.00 min. What is the average speed in mi/h What is his average speed in ft/s what is his
asked by deb 
AP Calculus
Consider the function f(x)= abs(x)(x3)/9x^2 a) what is the domain of f? What are the zeros of f? b) find all nonremovable discontinuities of f c) determine all vertical and horizontal asymptotes of f
asked by Nina 
Math
Erica was searching for her sunglasses . She walked 2 blocks north, 3 blocks south, 4 blocks east, and 3 blocks west . How many blocks did she walk? How far Erica from where she began her search?
asked by Jimena 
History
In Massachusetts during the colonial times, were there gold and silver and was it an urban or rural area?
asked by Amy 
Social studies
Assyrian culture
asked by Ingrid 
finance
You deposit $1000 at 2% for 20 years, compounded daily. What's the future value? (Remember, in this case your interest is going to be 0.02/365).
asked by terrance 
finance
You deposit $1000 at 2% for 20 years, compounded annually. What's the future value?
asked by tanya 
math
stat theory says approximately 68% of measurements lie between + one standard deviation. assume we have 100 students in our class. if in midterm 1 the mean score is 80 and standard deviation is 6, and you scored 86. approximately how many students scored
asked by math standard deviation 
more news
Former White House chief of staff William Daley abruptly dropped out of the race for Illinois governor on Monday. Daley says that he wasn’t sure if he wanted to devote time to a long, hard campaign followed by four years of office. Spokesman Peter
asked by Blaze 
math
the average weight of men in a meeting room is 170 pounds, and average weight of women is 130 pounds. if more than 60% of the people in the room are men, which of the following could be the average weight of all the people in the room?
asked by math 
math
(4x)^2/3=(30x+4)^1/3 please explain=)
asked by Anonymous 
University of Phoenix
Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $370 million. Since the primary asset of this business is real estate, Templeton's management has determined that they will be able to borrow the majority
asked by Stephanie 
pre calcalus
(x+4)^2/3=9
asked by sara