Questions Asked on
October 3, 2016

Health
An individuals selfesteem stays the same throughout their life: A  true B  false ** Selfactualization means that you focus on yourself all the time A  true B  false ** Which of the following is a skill you can practice to improve your selfesteem? A
asked by Ana 
Social Studies
Which of the following were precedents that George Washington set during his presidency? Select all that apply He established a judicial system of nine justices that is still in place today. He chose wellknown leaders to run his executive departments and
asked by Adlyn 
Chemistry
When an electric current passes through water during the process of electrolysis, two gases are formed. One gas has a boiling point of 183 C and the other has a boiling point of 253 C. Has a physical change or chemical change occurred? Explain. I think
asked by Sami 
Physics
A hydroxide ion (OH−) in a glass of water has an average speed of about 600 m/s. Determine the magnitude of the electrical force between the hydroxide ion (charge −e) and a positive ion (charge +e) that is 1.0 × 10−8 m away (about the separation of
asked by Kyle 
Chemistry
Identify the oxidationreduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) 2. 2Na(s) + Cl2(aq) → 2NaCl(s) 3. 2Mg(s) + O2(g) → 2MgO Identify the oxidationreduction reactions among the following: 1 and 2 only 2 and 3 only 1
asked by Beth 
Physics
A kangaroo carries her 0.49kg baby in her pouch as she bounds across the ground. As she pushes off the ground, she is accelerating upward at 30 m/s2. What is the apparent weight of her baby at this instant?
asked by Brittany! 
English
I am having trouble with a Unit Test and I want to see if some of my answers are right. 1. Read the following sentences from "Day of the Butterfly." "I did not know what to do. I could not afford to be seen walking with her, and I did not even want to 
asked by Katey 
Reading 8
What is the main idea in the story Always To Remember: Maya Ying Lin?
asked by 8th grader 
Chemistry
Write the formulas of the compounds formed by NH4+ with the following anions: NO3−, HCO3−, SO42−, HPO42−. Express your answers as chemical formulas separated by commas. Use the given order of anions.
asked by Morgan 
spanish
Many job options for high school graduates in Honduras are in what field? A. agriculture B. english C. engineering* D. technology
asked by oto 
history
1, What was one reason for the formation of the Democratic Republican Party? Washington's cabinet members wanted to form a new party to strengthen the federal government Thomas Jefferson's views clashed with those of Alexander Hamilton **** The alien and
asked by Anonymous 
Social studies
Can someone check my answers if there wrong can you give me the right answers please 1, What was one reason for the formation of the Democratic Republican Party? Washington's cabinet members wanted to form a new party to strengthen the federal government
asked by Bree 
Chemistry
An Unknown Compound (M=60.09 g/mol) is composed of Carbon, Hydrogen and Oxygen. Combustion of 0.255 g of the unknown compound produces 0.561 g Carbon Dioxide and 0.306 g of Water. Determine the molecular formula of the compound.
asked by John 
Physics
A baseball of a mass 0.15 kg is thrown by a pitcher with a speed 20m/s. The bat is in contact with the ball for 0.01 second and gives it a speed of 30m/s in a direction straight towards the picther.find the value of the force and the impluse?
asked by Kylie 
English
Which of the following sentences from Of Wolves and Men uses imagery to engage the reader? The wolf is three years old. It is now late afternoon.**** His ears are rammed forward, stiff. It is not the time of year for much howling
asked by Lost 
geography
In The Deadliest Tsunami History all of the following were effects of the tsunami except lack of food no clean water mass animal deaths*** the coastline was destroyed
asked by Lost 
Science
what steps are important in the process of creating a scientific theory A) Hypothesizing,observing,and testing. B) Creating a prototype and troubleshooting. C) Analyzing,Offering an opinion, and evaluating D) Troubleshooting,hypothesizing,and evaluating.
asked by valerie 
History PLS HELP
Which two of the following characteristics are necessary for a state to exist? Select all that apply. (2 points) 1. territory *** 2. judiciary 3. sovereignty 4. constitution 5. federal system 6. organized government *** 7. seperation of powers AM I RIGHT?
asked by HELP I NEED HELP RIGHT NOW PLEASE ANSWER! 
math
Aanya made a scale drawing of a picture. The original dimensions of the picture are 8 inches by 12 inches. Which choice shows a possible combination for the dimensions in Aanya’s drawing?
asked by Anonymous 
math
Winning the jackpot in the connecticut classic lotto requires that you choose six different numbers from 1 to 44, and your numbers must match the same six numbers that are later drawn. the order of the selected numbers does not matter. if you buy one
asked by Anonymous 
Algebra
which of these numbers can be classified as both real and irrational? 1. 5.858585858 2. 63.4 3. root 21 4. root 36 which is both a real number and an integer? 1. 23 2. 1/4 3. root 27 4. 3.402538 which of these number is classified as both real and
asked by Anonymous 
Physics
At the starting gun a runner accelerates from the rest at 1.5 m/s squared for 2.2 seconds. What is the runner's speed 2.0 seconds after she starts running?
asked by Jannet 
english
Please answer the following from An Inconvenient Truth 11. Earth is called the Goldilocks planet because a.the sun is at a balanced distance b.it has significant wildlife population c.it is neither too hot nor too cold for life** d.of the mineral content,
asked by oto 
L.A.
Why should you avoid writing about too many events in a personal narrative? A.to avoid overwhelming the reader with too much info. B.to help you, the writer, stay on topic. C.to allow your self, the writer, room to add many details and descriptions. D. all
asked by CJ 
History
Why was it necessary to apply the federal bill of rights to the states with the 14th amendment? A: to establish civil rights for visible minorities B: to prevent states from continuing the practice of slavery *!*!*! C: to give the federal government the
asked by mia larson CHECK ANSWERS NOW PLEASE!!!!!MRS. SUE 
math
Suppose the scores of students on an exam are normally distributed with a mean of 393 and a standard deviation of 57. According to the empirical rule, what percentage of students scored between 279 and 507 on the exam
asked by betsy 
Biology
In a population of Mendel's garden peas, the frequency of greenflowered plants (genotype aa) is 49%. The population is in HardyWeinberg equilibrium. What are the frequencies of the AA and Aa genotypes? I got 9% AA, 42% Aa as my answer, is this correct?
asked by Fay 
english
Holly's dad restores her desire to learn how to play guitar, even though he does not know anything about playing guitar. What type of irony, if any, does this demonstrate?
asked by emma 
monoplistic competition
Suppose that a typical firm in a monopolistically competitive industry faces a demand curve given by: q = 60 − (1/2)p, where q is quantity sold per week. The firm’s marginal cost curve is given by: MC = 60. How much will the firm produce in the short
asked by Akwi 
HOME,ECONOMICS
CAREERS,IN,HOME,ECONOMICS
asked by MOHAMED 
english
in an inconvenient truth, an increase in greenhouse gases is dangerous becasue a. they trap more heat in earths atmosphere b. they create holes in the atmopshere , releasing too much heat c. they reduce humans ability to absorb oxagen throught their lungs
asked by oto 
Grammar
When you add sugar to it, your cup of coffee becomes not only sweet, also flattening. Which word is not grammatically used in this sentence ?
asked by Kamo 
Physics
A horizontal force of 150 N is used to push a 40.5kg packing crate a distance of 5.05 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150N force (b) the coefficient of kinetic
asked by Bella 
algbra
sair has to read a book for english class by he end of the week. She wants to read at least 200 pages in her first 5 days of the week. On average , how many pages should Sari read per day to meet her goal? p greater than equal to ______ I think 40p.gs
asked by oto 
Chemistry
A beaker of nitric acid is neutralized with calcium hydroxide. Write a balanced molecular equation and a net ionic equation for his reaction
asked by Amy S 
Geometry
The midpoint of UV is (5, 11). The coordinates of one endpoint are U(3, 5). Find the coordinates of endpoint V. I know what the question is asking, but I'm not sure what steps to take to calculate the other endpoint based on the midpoint. Please help, I
asked by Anonymous 
Math
The city highway department bought 3/4 tons of salt to put on the road when it snows. They have used 2/7 of salt. How many tons has the city highway department used?
asked by Dani 
Biology
Two students were testing the amount of fertilizer that would best promote the growth of tomato plants in a garden. Which of the following could be an unavoidable source of experimental error? Select one: a. variation of tomato plants b. amount of water
asked by Anonymous 
biology (check answers)
1. How do endothermic and exothermic reactions differ? a. Endothermic reactions release energy and are spontaneous. b. Exothermic reactions release energy and are spontaneous. c. Endothermic reactions give off heat and light. d. Photosynthesis is
asked by Dizzie 
Physics
An 80 kg man stands in an elevator. What force does the floor of the elevator exert on the man if a) the elevator is stationary? b) the elevator accelerates upward at 2 m/s2? c) the elevator rises with constant velocity 4 m/s? d) while rising, the elevator
asked by Anonymous 
math
The temperature has been going down at a constant rate. In 8 hours it went down 16 degrees. Which expression best shows the temperature change each hour?
asked by sonia 
Math
Let r(t) be a differentiable function that is positive and increasing. The rate of increase of r^3 is equal to 12 times the rate of increase of r when r(t)=?
asked by Mike 
Social Studies
1, What was one reason for the formation of the Democratic Republican Party? Washington's cabinet members wanted to form a new party to strengthen the federal government Thomas Jefferson's views clashed with those of Alexander Hamilton **** The alien and
asked by Amy 
Fractions
Two fifths of the instruments in the marching band are brass, one third are percussion, and the rest are woodwinds. A. What fraction of the band is wood wind? B. One half of the woodwinds are clarinets. What fraction of the band is clarinets? C. One eight
asked by Aia 
SS
Which of the following is a reason that conservatives were not happy with the Constitution of 1777? A. Eight counties were formed from twelve parishes B. A onehouse legislature was created*** C. Too many men were eligible to vote D. Trial by jury was
asked by ttng 
Math
Natalie read 3/4 of a book that is 120 pages long. How many pages does she have left to read?
asked by Gigi 
Math
Twelve farmers can harvest 2 hectares of rice in 3 days. How many farmers will it take to harvest 5 hectares in 10 days?
asked by Anonymous 
Physics
A boy throws a ball straight up into the air so that it leaves his hand at 11 m/s. 1) If the ball has mass 0.15 kg and the boy's arm moved through 1.5 m as he threw the ball, then what average force did he exert on the ball? Please show it step by step
asked by Anonymous 
world history
1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.*** 2. In what way was the Nile both a benefit and a disadvantage for
asked by cupcakesss 
math
Chalk contains calcium,carbon and oxygen in the ratio 10:3:12.Find the percentage of carbon in a chalk and in a stick of chalk, carbon in 3g what is the length of chalk stick?
asked by Ashish 
Physics
Two blocks of masses 11 kg and 8.0 kg are connected together by a light red string and rest on a frictionless level surface. Attached to the 8kg mass is a light blue string, which a person uses to pull both blocks horizontally. If the twoblock system
asked by Jessica 
English
I did not know what to do. I could not afford to be seen walking with her, and I did not even want tobut on the other hand the flattery of those humble, hopeful turnings was not lost on me. A role was shaping for me I could not help playing. Which of the
asked by Marylyn 
Maths
Given that log200=0.3010 and log1000=0.4771 calculate without using table log0.72.
asked by Isaac a 
math
The normal to the curve y = ax^1/2 + bx at the point where x = 1 has a gradient 1 and intercepts the yaxis (0,14). Find a and b
asked by Cynthia 
Chemistry
1.025g of an impure sample of a weak acid HX(mol mass = 82) is dissolved in 60ml of water and titrated with 0.25M NaOH. When half of the acid was neutralized the pH was found to be 5.0 and at the equivalence point the pH is 9.0. Find the % purity of this
asked by Sandu 
CHEMISTRY
15.0g of KCLO3 was crushed and heated with about 0.1g of MnO2.Write an equation for the reaction.
asked by CHI 
math 115
How many droplets of water are in a river that is 100 km long, 290 m wide, and 29 m deep? Assume a droplet is 1 milliliter. (Note: one liter equals one cubic decimeter and 10 decimeters equals 1 meter.) Express you answer in scientific notation.
asked by Anyno. 
Chemistry Lab
Number of moles of HCl and Na2CO3 (show calculations) when 0.015 g of Na2CO3. How can I calculate this problem if I am only given the 0.015 grams of Na2CO3?
asked by Julissa 
Algebra
Two cars are traveling at 40 and 50 miles per hour, respectively. If the second car starts out 5 miles behind the first car. How long will it take the second car to overtake the first car?
asked by Emily 
math
The distance that light travels in 1 year (a light year) is 5.88 times 10 Superscript 12 miles. If a star is 4.6 times 10 Superscript 7 light years from Earth, what is this distance in miles? Enter your answer in scientific notation. Round the coefficient
asked by Anyno. 
Physics
A small bug is placed between two masses (m1>m2) on a frictionless table. A horizontal force F is applied to either m1 or to m2, as shown. 1) In which case does the bug have a better chance of survival? HINT: Find the force of contact between the blocks in
asked by Anonymous 
finance
Starting a year from now and making 10 yearly payments, Pierre would like to put into a retirement account enough money so that, starting 11 years from now, he can withdraw $30000 per year until he dies. Pierre is confident that he can earn 8% per year on
asked by Yumi 
math
You reserve 2/5 of the seats on a bus. You are able to fill 5/8 of the seats you reserve. What fraction of the seats on the bus are you able to fill? How do I figure this out?
asked by Ki 
Physics
A train travels due east at a velocity of 85.5 km/hr. A passenger walks from the front of the train to the back at a velocity of 3.7 km/hr. What is the velocity of the passenger to an observer who is seated on a train going due west at a velocity of 64.7
asked by George 
Chemistry
Each increase in pressure of 100 atm decreases the melting point of ice by about 1.0¡ÆC. Q. One possible explanation of why a skate moves smoothly over ice is that the pressure exerted by the skater on the ice lowers its freezing point and causes it to
asked by KK 
Calculus
Sketch a rough graph of the yield of a crop as a function of the amount of fertilizer used. I do not know what to do, can someone guide me?
asked by Johanna 
algebra
how would you set this up Two sides of a triangle measure 11.4 cm and 16.2 cm. If the perimeter is 32.1 cm, what is the length of the third side in centimeters?
asked by jennifer 
Biology
A consumer can also be considered a a. herbivore b. autotroph c. heterotroph d. primary producer I think the answer is either a or c, because a consumer could also be a herbivore, but I don't know if the question is asking for a different name for a
asked by Starcatcher 
physics
A flatbed truck is carrying a 2610kg crate of heavy machinery. if the coefficient of static friction between the crate and the bed of the truck is 0.530, what is the maximum rate(in meters/second^2) that the driver can decelerate when coming to a stop in
asked by kassy 
MATH! HELP PLEASE!
How many arrays are there for modeling a rectangular quilt with 24 paper squares?
asked by Damien 
math
There are 5 boys and 6 girls on soccer team. What is the ratio of girls to boys. Expressed in 3 different ways?
asked by Jrperry 
Math
solve the equation. 1. 5h  9 = 16 + 6h (1 point) A 4 B 7 *** C 7 D 10
asked by Caleb 
MATH! HELP PLEASE!
How many arrays are there for modeling a rectangular quilt with 24 paper squares? please help
asked by ms sew 
Science
Answer with solution, plz. 1. What is the concentration of the solution by volume when dissolved is used 30 grams & the water is 60 grams. 2. How much solvent in grams is present in a solution with a concentration by volume of 40% the solute of content is
asked by Rachel 
PHYSICS
tWO PEOPLE PLAY TUG OF WAR. tHE 97 KG PERSON ON THE LIFT PULLS WITH 1,176 n, AND THE 76 KG PERSON ON THE RIGHT PULLS WITH 839 n. aSSUME THAT NEITHER PERSON RELEASES THEIR GRIP ON THE ROPE WITH EITHER HAND AT ANY TIME, ASSUME THAT THE ROPE IS ALWAYS TAUT,
asked by LESTER 
Algebra
Top of the rectangle is 2x+5 right hand side is 5. Write an expression for the area of the rectangle. Then find the area of the rectangle in square feet if x=3. Then I need to find the value of x if the area of the rectangle is 1y0 square ft. Help!!
asked by Kimmy 
math
Find a value of the constant k, if possible, that will make the function continuous for all values of x. f(x)=9x^2 if x >= 0, f(x)=k/x^2 x < 0
asked by tish 
Math
Estimate the product by finding two numbers the exact answer is between. 7×3,289
asked by Felicia 
math
Julio's father is 4 times as old as Julio. The sum of their ages is no less than 55. Enter an inequality that can be used to represent this situation in the first box, where x represents Julio's age. Enter the youngest age Julio can be in the second box.
asked by ariel 
Science (Chemistry) (Measurement Uncertainty)
Three students are asked to determine the mass of a coon. They each measure different values for the mass of the coin using a balance. Student A recorded a mass of 63.08g, student B recorded a mass of 63.022g and student C recorded a mass of 63.0328g. If
asked by Ray 
physic
a car travels 3.0km due south and then4.0km west what is lt's displacememt from the starting point
asked by precious 
Algebra
A rectangle has dimensions in feet as shown in the figure it is 2x +5 And one side is 8. I need to write an expression for the area of the rectangle. B. Find the area of the rectangle, in sq.ft. if x=3 C. Find the value of x if the area of the rectangle is
asked by Shane 
maths
5004=hundreds and units
asked by Anonymous 
physics
a wooden box weighing 286N is pushed across the floor by a workman who exerts a horizontal force of 143N. If the force of friction between the box and the floor is 28N, what is the acceleration (in meters per second) of the box?
asked by kassy 
Math
What is 3÷3/4
asked by Hayley 
Math
Rita needs to measure out 3.5 gallons of vinegar for a science experiment However, her only measuring tool is a measuring cup that holds 1 cup. How many cups of vinegar does she need? I am confused on this can you please help me?
asked by Matt 
Math
How many arrays are there for modeling a rectangular quilt with 24 paper squares?
asked by Jaden 
Physics
A car starting from rest is uniformly accelerated so that it's velocity in 5 seconds is 36 km/h . It travels at this velocity for 5 seconds, and then a brake is applied to bring it to rest in the next 5 seconds. Find the total distance travelled
asked by Claire 
maths
From the four corners of a square piece of paper of side 12cm, small squares of 1cm are cut off. The edges of this are bent up and joined to form a container of height 1cm. What is the capacity of the container? If squares of side 2cm are cut off, what
asked by shalu 
science
A gymnast is performing a routine on the trampoline. At the beginning of each jump, she leaves the trampoline with a vertical velocity of 7.4 m/s upward. What is her vertical acceleration when she is at the apex of each of her jumps?
asked by jaspreet 
Grammar
Some people of ancient times used cubits.
asked by Joan 
Us history
the sugar act was a new tax on molasses but actually lowered an earlier text what were the colonists doing in response to the earlier text that the sugar act try to stop? A.) Declaring independence from Britain B.) Paying only a portion of it C.) Holding
asked by Kendra 
Chemistry
Calculate the value of Z and its absolute standard deviation. All standard deviations shown are absolute. Show your work and report the standard deviation in the result with two significant digits (to confirm the correct result). Z =
asked by Adam 
physics
A 2.0 kg object moving with a constant velocity of 5.0 m/s, is acted upon by a force of 14n in the direction of the motion for 5.0s. what is the velocity (in meters /second^2) of the object at the end of this time?
asked by kassy 
physics
A plane 65 m above the ground is flying directly toward a target at 50 m/s . Part A At what distance from the target should the pilot drop the weight?
asked by brittney 
physics
how large a fore (in newtons) is needed to accelerate a 5 metricton vehicle from rest to a speed of 10 km/hr in 4 s?
asked by kassy 
Physics
A fuzzy die (m = 0.2 kg) hangs from the ceiling of a car. When the car accelerates forward along a horizontal road, the die swings backward so the the string supporting it makes an angle of 4 degree with the vertical. What is the acceleration of the car?
asked by Anonymous 
Chemistry
0.299 g of NH4Cl is dissolved in 50.0 ml then titrated against 0.205 M NaOH. Calculate the pH at the equivalent point
asked by Venessa 
Algebra
Solve x^(1/2)(81x)^(1/4)4=0 x^(1/2)3(x)^(1/4)4=0
asked by Goo 
physic
two force10n and20n are inclined at an angle 60 degree to each.find the resultant forces are now made to be inclined at120degree to each other,find the magnitude of the new resultant force
asked by precious 
maths
The sum of two numbers one of which is 3/4 of the other is 84 . Find the number
asked by Anonymous 
physic
two sorces of resultant100N are perpendicular to each other.if one of them makes angle60degree with the resultant calculate the magnitude of the force
asked by precious 
MATH
Sketch a rough graph of the yield of a crop as a function of the amount of fertilizer used.
asked by Sasha 
Calc 2
Use the shell method to find the volume of the solid generated by revolving the region bounded by the line y = x + 2 and the parabola y = x^2 about the following lines: a) The line x=2 b) The line x=1 c) The x axis d) The line y=26 I know what the
asked by Nathan 
math
Pete invests $10,000 in a certificate of deposit that earns 3% interest, compounded yearly. What will be the compounded income at the end of 5 years
asked by britany 
Proportion
A truck has traveled 75 miles in 1.5 hours of driving. At the same speed,which proportion can be used to determine how long,T (in hours),it would take the truck to travel 325 miles?
asked by Anonymus 
Maths
The ratio of the circumference of circle P to the circumference of circle Q is 5:4.Find the ratio of the area of circle P to the area of circle Q
asked by Anonymous 
English
In Ragtime music, melodies are syncopated. Is ragtime a noun or adjective? I think noun...Is this correct? Thank you
asked by Marylyn 
Communications
I completed my assignment, but I need someone to check the answers, please. This is counting as a test and due tomorrow! Word bank: A. Interactional identity B. positive or solidarity face C. Master identity D. Personal identity E. Romantic self F. Third
asked by Joe 
math
A man uses 1÷3 of his land for growing mangoes, 1÷4 for bananas,3÷8 for apples and remaining 18hectares for oranges. How much land does he have?
asked by Ashish 
Algebra 2
The function f(x) = 5x. The graph of g(x) is f(x) vertically compressed by a factor of 1/4 and reflected in the x axis. What is the function rule for g(x)? g(x) = 20x g(x) = 5/4x g(x) = 20x g(x) = 5/4x I think it's B, but I'm really not sure... please
asked by Fading 
chemistry
what is the pH of a solution prepared by adding 0.65mol of LiOH(aq) to 1.0L of 0.30mol/L HNO3(aq)>
asked by bryant 
Math
Cucumbers are on sale, so you buy 16 pounds of them at the local market for your restaurant. Each cucumber is actually 99% water. A few days later, the cucumbers have dried out to the point that each is now 80% water. How much do all your cucumbers weigh
asked by Anonymous 
Civics
How did the ideas of Locke and montesquieu influence our founders views on our government?
asked by Dj 
Calculus II
If f(x)  x cos (x), how many intervals would be needed to approximate with the Trapezoidal Rule with an error of E
asked by Scott 
淤ㄇ
A scuba diver dove from the surface of the ocean to an elevation of −59 9 10 feet at a rate of −12 feet per minute. After spending 14.5 minutes at that elevation, the diver ascended to an elevation of −8 9 10 feet. The total time for the dive so far
asked by ㄑㄎ濕濕ㄎㄎ 
Math
what does skip half an increment mean in graphs
asked by lara 
Business
Your program plans to acquire a total of 600 end items costing $535 million over a fiveyear period (five Lots). The first production contract is to be awarded in FY14. The number of items to be procured (not delivered) each year and their estimated cost
asked by Ms. H. 
Math
I have $46.20 in my pocket in $2, $1, 50c, 20c, 10c and 5c coins, and I have an equal number of each coin type. That number is?
asked by Anonymous 
Math
Label the grid dot below with the letter T so that the length of ST is ratio 10
asked by Anonymous 
Science, Nature Science
Can you please give me three examples of things that photosynthesize that live in oceans?
asked by CC 
MATH
The forty and the 9th term of an AP is 3 and 12 respectively. Find the common difference and some of the frist 7th term
asked by JOHN 
emmy norberton
Tom is 6. He is 3 years older than sam and twice as old as jack
asked by debeye 
math
Explain how you can use a straight edge and a compass to construct an angle that is both congruent an adjacent to a given angle.
asked by Nikki 
PHYSICS
A 100 kg box on the right and a 50 kg box on the left are tied together by a horizontal cable. The 100 kg box is acted upon by an external force of 500 N to the right. The frictional force exerted by the floor on the 100 kg box is 30 N and the frictional
asked by LESTER 
Chemistry
A student does a standard addition experiment by pipetting 25 mL of unknown, adding ferrous ion spikes and reagents, into a 100 mL volumetric flask and making up to the mark. The equation of the line has a slope of 0.103 and an intercept of 0.135 when the
asked by Adam 
physics
if someone walks 1.5 km west then 2.5 km 30 degrees south of east then 1.5 km 40 degrees north of east. Starting at the same point, what would be the angle to get someone straight from the starting point to where the other person ended??
asked by Joe 
PHYSICS
A 100 kg box on the right and a 50 kg box on the lift are tied together by a horizontal cable. The 100 kg box is acted upon by an external force of 500 N to the right. The fritional force exerted by the floor on the 100 kg box is 30 N and the froctional
asked by LESTER 
math
Y varies directly as X,Y=32 when X=4
asked by ULOK 
Physics
A car drives east at 40km/h and then turns back and drives west back to the strating point at 70 km/h, what is the avarge speed of the car?
asked by need help 
Math
During the Great Singapore Sale, Mr. Chen bought a digital camera for $810. This was 90% of the usual price How much was the discount
asked by Grace 
Math
Annika is making a quilt with squares that are one half foot in length on each side the finished quilt will be 4 feet long and 3 and a half feet wide how many quilt squares will Annika need.
asked by Alissa 
physics
The speed of a train is reduced from 80knhr1 to 40kmhr1 in a distance of 500m on applying the brake.how much further will the train travel before coming,how long will it take to bring the train to rest after the application of the brakes?
asked by tope 
science
Water has a density of 1g/ml. If an object has a densidy of less 1g/ml will sink or float?
asked by bill w. jean toussaint 
math
Two digits over two digits equals three digit decimal (_.__) Can only use 09 once
asked by dean 
Math
Find the number whose sum is 15. If the product of the square of one by the cube of the other is to be maximum
asked by Abs 
math
I need help for my homework
asked by mario 
Physics(check my answer please!!)
Hello, could you guys let me know if this looks right? Thanks in advance. A ball is fired at a speed of 8 m/s at 20 degrees above the horizontal from the top of a 5m high wall. a) what is the total velocity at the maximum height? b) how far from the
asked by Timothy 
Physics
I think it is D) but I'm not quite sure. Thanks in advance! Right after the ball is thrown at angle of 45 deg, the acceleration is a)g b)sin(45) * g c)cos(45) * g d)tan(45) * g
asked by Timothy 
percentage
There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers. Please explain easy way
asked by vipul 
physics
a bullet is fired horizontally with a velocity of 40 m/s from a height if 50m. how far it will fall to the ground
asked by laraib 
Math
40.8 gallons in 8 contains
asked by Deashia 
Algebra2
Simplify the expression 5+i/2i 5+i over 2i
asked by steve 
business
Whilst enterprenuership is a panacea to poverty the world over, the current zimbabwean situation seems different. Elucidate any four reasons why the situation is different
asked by rutendo 
maths
the ratio of two number is 2:3 and their sum is 30 find the numbers
asked by anil 
Physics
An object with a weight of 150 N hangs from the ceiling as shown in the figure. 1) Find the tension in each string. q1 = 60 degree and q2 = 45 degree Please show it step by step along with the equation to use
asked by Anonymous 
Math
[(8^2  4)  6] / 6 = ?? i think it's 59?? idk what the brackets mean. can someone PLEASE explain this to me???
asked by Sally 
Math
They have emptied 1/2 to an oil tank; then they emptied another half of what was left; then the rest of 11/15 emptied. Now, there are 26 liters in the tank. How many liters were at first?
asked by Ayesha 
Physic
A particle of mass 1kg undergoes simple harmonic motion and its potential energy U changes with displacement x from a fixed point as shown below. Determine a) amplitude b) period Help me guys...
asked by Ellise 
science
A man of mass 50kg is walking on a long wooden board of mass 200 kg. The wooden board is initially at rest on a frictionless ice surface. If the man walks with a velocity 1m/s in the positive x direction relative to the wooden board,find the velocity of
asked by Divya 
Marh
If I missed 9 questions out of 27 what wil my grade be
asked by Anonymous 
History
What are some cause of the French and Indian war and the effects?
asked by Mika 
Math
round it off to the first 2 numbers •439,264 km •15million degrees celcius •1.00794 atomic mass unit •140pm •14.00674 atomis mass unit
asked by Anonymous 
Math
Explain How To Change more 0.7and 5/8.
asked by Lexi 
maths
what is the approximation value of pi/3+72root3 as a fraction
asked by mashudu 
Algebra
How do I work 35(3x+7)=0
asked by Josh 
Derivative
f(x)=xx Show that f'(0) exists. What is the value? I don't know how to work with the absolute solving for f'(x) with first principles
asked by T 
Mathematics(indices)
Square root of xy^2 * fourth root of 16x^4/x^3y^2.
asked by Adekanmi isaac 
PHYSICS
a 107 KG BOX ON THE RIGHT AND A 43 KG BOX ON THE LEFT ARE TIED TOGETHER BY A HORIZONTAL CABLE. tHE 107 KG BOX IS ACTED UPON BY AN EXTERNAL FORCE OF 598 n TO THE RIGHT. THE FRICTIONAL FORCE EXERTED BY THE FLOOR ON THE 107 KG BOX IS 30 n AND THE FRICTIONAL
asked by LESTER 
Algebra
A square and an equilateral triangle have the same perimeter.Each side of the triangle is 5 inches longer than each side of the square. What is the perimeter of the square.
asked by Maurice 
science
6.023*x10^21 electrons are present n a given amount of ammonium (NH3).How much amount of hydrogen is required to produce the sample of ammonia
asked by sandhya 
science
Describe how you will prepare 500cm of 1M nacl
asked by Abigail 
Algebra
Six times a number is eight more than two times the number
asked by Vic 
Mathematics(indices)
Square roots ofxy^2* 4th roots of 16x^4/x^3y^2
asked by Adekanmi isaac 
Very Urgent Help Here (Math)
Area under y = x^2 + 1 between x = 0 and x = 1 is rotated around xaxis. Find the volume by shell method. (Please solve it using step by step solution).
asked by Yo Shunng 
Ap maths
a^(1/x)=b^(1/y)=c^(1/z) if a,b,c are in Gp.prove that x,y,z are in Gp step plz
asked by Anonymous 
French
This is a poem. I did include alliteration, imagery, metaphor or simile to add some fig. language. Can you fix any mistakes I have. Btw, this is a poem written from Cyrano's perspective to Roxane. (common french book :) 1. Oh mon amour, ma belle Roxane. 2.
asked by Heather 
Algebra
What is the sum of 5/6 + 2/3? 1 1/3 1 1/2 ** 1 2/3 1 3/4
asked by Cassidy 
Alegra
5. Which expression is equivalent to 4 • 4 • 4 • 4 • 4 • 4 • 4 • 4? A. 4 • 8 B. 8^4 C. 8 • 8 D. 4^8 *** I think D.
asked by Aliza 
Algebra
2(y3)=2y6 A. One Solution B. No Solution C. Infinite Solutions ____________________________ Also Need help on these 2 prntscr/cpbo66
asked by Anonymous 
Chemistry
What effect does the presence of an impurity have on the freezing point of a liquid?
asked by QuickName 
mechanics
Two forces F1,F2 their resultant is R The measure of the angle between them is 120° if F1 is reversed their resultant become root3R Prove that F1=F2
asked by yasmiin59 
Math,Algebra
After diving 97 m below the sea level, a diver rises at a rate of 3 meters per minute for 7 min. Where is the diver in relation to the surface?
asked by Hanen 
sirsteve or reiny or damon
just got a little favour to ask plz do u do facebook am just asking if u don't wanna give ur full name to add as friend then is fine by me because you guyz have really added academic sucess in my carreer life plz
asked by samnuel 
Math
Find the sum of all integers between 1200 and 2900, inclusive, which are not divisible by 9.
asked by Anonymous 
physics
A 0.110 kg baseball,traveling at 37.0 m/s, strikes the catchers mitt, which recoils 13.0cm in bringing the ball to rest. What was the average force(in newtons) applied be the ball to the mitt?
asked by kassy 
algebra
If the order doesn't matter, what is the probability of drawing 1 brown and 2 orange marbles from a bag containing 5brown, 6yellow, 4blue, 3green and 2orange? Is it 5/20* 2/19* 1/18 or do I use a formula with factorials?
asked by steven 
english 5 grade
I want the imagine paragraph
asked by fried 
Chemistry
What two facts did Newton need to be able to calculate the acceleration of the Moon?
asked by Betty 
Math
How to solve 11^2016
asked by Anonymous 
science
T or f,if false,explain why.volume is measurement of how much matter is in an object
asked by maslot 
Math
Two consecutive numbers add to 11. What is their product?
asked by Laila 
History PLS HELP
In which election process are individual votes given the most equal weight? electing president electing members of the house electing members of the senate ***!!!*** electing candidates in primaries
asked by HELP I NEED HELP RIGHT NOW PLEASE ANSWER! 
math
Evaluate: a) 1:(1)+0:4(4)x(1)= b) 12x6:(3)=
asked by Anonymous 
physics
What is the acceleration (in meters/second^2) of free falling 74kg sky diver, if the air resistance exerts a force of 233n?
asked by kassy 
physics
What two facts did Newton need to be able to calculate the acceleration of the Moon? A) the distance to the Moon and the diameter of the Moon B) the time it takes the Moon to make one revolution and the distance from the Earth to the sun C) the diameter of
asked by Sue 
Math
714 :(7)=
asked by dan 
math
the sum of three consecutive even numbers is 96, what is the biggest number?
asked by Anonymous 
math
on the way to the Open Air Museum Jaz and Kim stop to buy petrol.The petrol costs $3.15 for one USE gallon. Kim wants to compare the cost of petrol in America with the cost of petrol in England. Kim uses this information  1 US gallon=3.875 litres  1
asked by Anonymous 
Math
Find the last two digits of the number 11^2016 . I need to figure out how to hand do this and show all my work. Help pls
asked by Anonymous 
algebra
A bag of marbles contains 5 brown, 6 yellow, 4 blue, 3 green and 2 orange. What is the probability of: a) getting 3 yellow marbles, if 3 are taken at a time? b) getting 1 brown and 2 orange marbles, if 3 are taken at a time? a= 6/20* 5/19* 4/18 b=5/20*
asked by steven 
math
The sum of two numbers is 6 the second number is three times greater than the first number. I think it starts off like this x+y=6 then I get confused
asked by katey 
Writing
Please check this Apostrophe: 1) Kates' sister 2) the giraffe's neck 3) the parent's anniversary 4)the senator's cars 5) Toms' folder 6) the deer's habitat
asked by Tommy 
Math adv functions
is x+b a factor of x^9+5b^2x^7+5bx^8b^9
asked by Anonymous 
math
which equation together with x+y=1 forms a system that has a solution of (3,4) A)y=x B) xy=1 C)y=x=7 D) 3x+4y=1 I think the answer choice is d by sub in the numbers of 3for x and 4fory
asked by K.T. 
Chemistry
Base = NaOH, 0.084 M drips 2ml at a time Acid = Phenol, KA=1.3*10^10 You have 28.0 ml in flask, and it is 0.06 M How would you find the molarity and moles of OC6H51
asked by John 
Linear or Nonlinear, Order.
(a) y''' + y'  xy = x (b) y''  y' = xy2 (c)x/y = y' (d)(xy')' = cos x
asked by Erica 
math
how much should darwin borrow to have 15000 today if he promised to pay it in 2 years at 53 7 simple discount rate ?
asked by john paulo 
Math
I need to show work for this but I don't know how. Erik wants to form 4digit integers using only the digits 1, 2, 3, and 4. He is allowed to repeat digits. What is the probability that he forms a 4digit integer where at least one digit repeats? Express
asked by Becky 
math
in chess match one point is scored for a win, half a point for a draw and no point for a loss. If the match score is presently A to B is 3.5 to 1.5. How many games have been played? How could this score have come about between A and B to win, draw ,loss
asked by dinda 
math
find to rational number between 4 and 5/4
asked by shehzad