Questions Asked on
October 24, 2016

Please help quick!!!!! History
Name and describe three facets of modern business that have their origins in trade practices during the Middle Ages? I have looked at my book over and over again and i can not find anything. can some one just please name them that is all i need!
asked by Doctor who 
Chemistry
HCl(aq) + LiOH(aq)> H2O(l) + LiCl(aq) Did I do this right? I need help on finding the net ionic equation
asked by Rachael 
Algebra 1
Just checking my answers. What is the sum or difference? 1. 2x^4  8x^4 A. 6x^8 B. 6x^4*** C. 16x^4 D. 16x^8 What is the sum or difference 2. 10y^10  14y^10 A. 4y^20 B. 140y^20 C. 140y^10 D. 4y^10*** 3. Write the polynomial in standard form. Then
asked by Alyssa 
I need help, I'm stuck...what is the correct answe
The table below shows the scores of a group of students on a 10point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: 6.5 The median score on this test is: 7.5
asked by lee 
economics
What is abnormal supply curve and diagram
asked by nifty 
Math
A cup of cereal has 12 grams of fiber, which is 40% of the recommended daily allowance. What is the recommended daily amount?
asked by Madeline 
AMERICAN GOVERMENT CCA
Which of the following represents one of congress's electoral powers? A) the senate elects a president if the house cannot reach a consenus on a candidate B) The house elects a president if no candidate receives a majority of electoral votes C)The house
asked by A.A 
American Government
Give at least two reasons why the Articles of Confederation were inadequate to meet the needs of the time.
asked by Bessy 
Genetics
A purebreeding white mouse with a long tail was crossed to purebreeding pink mouse with a short tail. The F1 progeny were all pink with long tails. These F1 mice were test crossed to white mouse with a short tail. If the gene controlling color and the
asked by Jane 
Math Check Answers
Write a rule for the function represented by the table. x y 0 13 1 28 2 43 3 58 y= 15 + 13x y= 14 + 12x y= 13 + 15x** y= 12 + 14x Which function rule would help you find the values in the table? j k 2 12 4 24 6 36 8 48 k= 12j k= 6j** k= j  12 k= j 
asked by Amanda 
Physics
The objects listed below are placed at the top of a ramp, and roll down to the bottom without slipping. Assuming that there is no air resistance, rank them in order from fastest average rolling speed to slowest. Basketball Bowling Ball Penny Wedding Ring
asked by Morgan 
6th grade math
The school cafeteria serves pizza every fourth school day and tacos every third day. How many school days will pizza and tacos be served on the same day?
asked by J. R. 
Math Check Answers
Write a rule for the sequence 8 1 10 19... Start with 8 and add 9 repeatedly** Start with9 and add 8 repeatedly Start with 8 and add 9 repeatedly Start with 8 and subtract 9 repeatedly Find the next three terms of the sequence. 4 8 16 32... 96
asked by Amanda 
Physics
A force of 9000N is used to stop a 1500 kg car traveling at 20m/s. What braking distance is needed to bring the car to a halt?
asked by Melissa 
Algebra
The Blakely family has driven 50 miles of a 200mile trip. Their car travels 30 miles per gallon of gas. How many gallons of gasoline, g, will the car use on the remainder of the trip?
asked by Rameare 
Chemistry
Na2CO3(aq)+ 2HNO3(aq)> 2NaNO3+H2O(l)+CO2(g) how do I get net ionic?
asked by Anonymous 
Chemistry
SO CONFUSED PLEASE HELP!!! A certain radio wave has a wavelength of 7 inches. a. convert the wavelength of this radio wave into meters. (1 meter = 39.37) b. find the frequency of this radio wave.
asked by Clarissa 
BIO
How are photosynthesis and cellular respiration related ? A)Cellular respiration cannot occur without photosynthesis B)They each occur in completely different organisms C) Both depend on ATP as a source of energy D)Both produce more ATP than they use
asked by A.A 
Math
A theater has 4,650 seats. If the theater sells all the tickets for each of its 5 shows, about how many tickets will the theater sell?
asked by Lena Feleke 
History/HELP
Which power did merchants and artisans eventually gain in the Roman Republic? The ability to elect officials who could veto laws harmful to plebeians The ability to select patrician consuls The right to help Etruscan authorities in governing Rome The right
asked by Me 
Spanish
Select the correct verb to complete the following sentence. Elena ______ en la Habana. a. esta b. es*** c. estas d. eres
asked by Alice Keign 
Spanish
Choose the correct form of ser or estar to complete the following sentence. Alejandro y Eva ______ mis padres. a. es b. estan*** c. son d. esta
asked by Alice Keign 
math
10. What is 0.000750 in scientific notation? 75 × 10–4 7.5 × 10–3 7.5 × 10–4 7.5 × 10–5 11. What is written as a decimal? (1 point) 4.2 4.3 4.4 4.5 12. The 2010 census data for the populations of three states is shown below.
asked by i need help please 
math plz help
Order the numbers from least to greatest. 3/8, 19/24, 2/3.
asked by Jewel 
econmics
below are my answers to the following multplile choice questions, please check and correct me if im wrong, thanks :) 1. Which type of firm is more likely to have its board of directors composed of people from many different nations? Select one: A. Exporter
asked by kary 
Physics
Jane swings on a 30m long vine initially inclined at an angle of 37o from the (downward) vertical. What is her speed at the bottom of her swing if a) she starts from rest? b) she pushes off with an initial speed of 4 m/s? Help please. Show the equation and
asked by Anonymous 
georgraphy
In the following passage written by a conquistador in 1540, what can you infer about how sick citizens were treated? “No one who was lazy or tried to live by the work of others was tolerated; everyone had to work. Thus on certain days each lord went to
asked by Jay 
history,college
What are some secondary sources and primary sources about Joan of Arc's impact on how Christianity viewed females after Joan's death?
asked by Alex 
physics
You pick up a 3.2 kg can of paint from the ground and lift it to a height of 1.4 m . Part A How much work do you do on the can of paint? Express your answer to two significant figures and include the appropriate units. Part B You hold the can stationary
asked by ... 
math
find the missing number in each sequence... 30,_____,19, 13 1/2
asked by unknown 
English
What are the answers to unit 3 lesson 2 quick check
asked by Me 
Chemistry
Zn(s)+HCl(aq)> ZnCl2(aq)+H2(g) net ionic??
asked by Megan 
Social Studies
What was the mistake British General Charles Cornwallis made that ultimately caused his defeat?
asked by Help 
Maths
object thrown upward from an initial height of h0 feet with an initial velocity of v0 (in feet per second) is given by the formula h(t)=−16t^2+v0t+h0 feet where t is the amount of time in seconds after the ball was thrown. Also, the velocity of the
asked by Ayvar 
Chemistry
Calculate the mass of water produced when 9.53 g of butane reacts with excess oxygen
asked by Anonymous 
Math
In physics, one learns that the height of an object thrown upward from an initial height of h0 feet with an initial velocity of v0 (in feet per second) is given by the formula h(t)=−16t^2+v0t+h0 feet where t is the amount of time in seconds after the
asked by Anonymous 
Social Studies
How did the French respond when the colonies defeated the British at Saratoga in the Revolutionary War?
asked by Help 
Math Please check my answer
Malili has 6 1/3 yd of material. Her new skirt will take 2 1/3 yd. How much material will she have left after the skirt is made? My answer:4 Am I wrong? If I am, can you explain it to me please? Thank you in advance.
asked by Myah 
Math
In a community of 800 people the rate at which a rumor spreads is jointly proportional to the number of people who have heard the rumor and the number of people who have not heard it. Given that the rumor is spreading at the rate of 20 people per hour when
asked by Gems 
Physics
A pitcher hurls a 0.25kg ball around a vertical circular path of radius 0.6 m, applying a tangential force of 30N, before releasing it at the bottom of the circle (underhand pitch). If the speed of the ball at the top of the circle was been 15 m/s, what
asked by Anonymous 
Language Arts
1. Which of the following sentences uses the past perfect verb tense. A) By June, I will have owned the camera shop for a decade. B) After it was sold, I had owned the camera shop for 12 year as C) I cannot recall a time when I have not owned some kind of
asked by Nicole 
Chemistry
A 250 g mass of material has a temperature of –45˚C. Its specific heat is 0.36 J/gˑ˚C. How much heat energy is required to raise its temperature to 10˚C? (its melting point is 23 ˚C)
asked by Leandra 
Spanish
Which is the short form of el gato suyo? a. tu gato b. mi gato c. su gato*** d. vuestro gato
asked by Alice Keign 
physics
Helium gas occupies a volume of 0.04 m 3 at a pressure of 2 x 10 5 Pa (Nm 2 ) and temperature of 300 K. Calculate (i) the mass of the helium. (ii) the r.m.s. speed of its molecules. (iii) the r.m.s. speed at 432 K when the gas is heated at constant
asked by ruth 
Spanish
Which is the long form of "tu cepillo"? a. el cepillo vuestro b. el cepillo suyo c. el cepillo nuestro d. el cepillo tuyo***
asked by Alice Keign 
Statistics Probability
A jar contains 5 red marbles, numbered 1 to 5, and 11 blue marbles numbered 1 to 11. a) A marble is chosen at random. If you're told the marble is red, what is the probability that it has the number 2 on it? b)The first marble is replaced, and another
asked by Jesus 
Math
Find the exact value of cos 1 degree + cos 2 degrees + cos 3 degrees + ... + cos 357 + cos 358 degrees + cos 359 degrees.
asked by EC 
Algebra
Betty can mow a lawn in 90 minutes. Melissa can mow the same lawn in 60 minutes. How long does it take for both Betty and Melissa to mow the lawn if they are working together?
asked by Naysha Faulks 
maht science
One litter of orange juice is poured equally into 8 glasses. How many milliliter does one glass hold?
asked by jiskha 
Social Studies
What motivated most Africans Americans soldiers to fight in the Revolutionary War with the Patriots?
asked by Help 
Chemistry
How many grams of ethanol must be added to 500.0 g of water to make a solution that freezes at 0.00 degrees fahrenheit? The molal freezing point depression constant for water is 1.86 degree celsius over moles.
asked by Lucy 
Math
Cathy wakes up at 7:00 am each morning. She spends 1/10 hour making her bed, 1/5 hour eating breakfast, and 1/2 hour getting ready for school. How long does Cathy spend doing these things each morning?
asked by Kendall 
Chemistry
calculate the volumes of acetone and ethanol that was used to mix together in order to produce 1 litre (1000ml) of equimolar mixture. helpful notes are, ethanol Mr=46 and a density (20 degrees C)=0.789g/ml, acetone Mr=58 and density (20 degrees
asked by Mara 
Sign Language
Write your ASL weather report or dialogue in English. Interpret your dialogue or weather report into ASL Gloss. Remember, ASL Gloss is written using only CAPITAL LETTERS. Write the English sentences line by line (not in a paragraph). Write the ASL Gloss
asked by Bemenet Berhanu 
Physics
A 1500kg car traveling at a steady speed of 20 m/s initially due northwest round a corner so that after 10s, it is traveling due northeast. What is the magnitude and direction of the net force that must be acting on the car at the instant it is traveling
asked by Micheal 
chemistry
How much heat (in kilocalories) is evolved or absorbed in the reaction of 1.60 g of Na with H2O? 2Na(s)+2H2O(l)→2NaOH(aq)+H2(g), ΔH = 88.0 kcal (368 kJ)
asked by Anonymous 
Maths
The circumference of a given circular park is 55m.it is surrounded by a path of uniform width 3.5m.find the area of the path
asked by Pooja 
maths
A cyclist who is travelling directly to the East at 8 kilometres per hour finds that the wind appears to blow directly from the North. She then continues to travel East but she doubles her speed to 16 kilometers per hour and the wind then appears to blow
asked by bella 
biology (genetics)
A purebreeding white mouse with a long tail was crossed to purebreeding pink mouse with a short tail. The F1 progeny were all pink with long tails. These F1 mice were test crossed to white mouse with a short tail. If the gene controlling color and the
asked by Jane 
math
When making a batch of orange juice, Jakie used 5 times as much water then concentrate. There were 32 more cups of water than concentrate
asked by Anonymous 
physics
A 7.4kg block starts 1.2m above the ground, at the top of a frictionless ramp. At the bottom of the ramp is a flat stretch of rough (μk = 0.15) ground 3.0m long. After sliding 3.0m, the ground becomes frictionless, and the block hits a spring (k =
asked by April 
Chemistry pH, acids, and bases
Trichloroacetic acid (CCl3CO2H) is a corrosive acid that is used to precipitate proteins. The pH of a 0.050 M solution of trichloroacetic acid is the same as the pH of a 0.040 M HClO4 solution. Calculate Ka for trichloroacetic acid. I just don't know where
asked by Ryan 
geometry
The ramp rises 20 from the ground and a vertical distance of 30 inches . how much horizontal distance does the ramp cover
asked by oscar 
Math
m∠2 + m∠3 + m∠4 = 180°/ reason: Given? m∠1 + m∠2 = 180°/reason: Supplementary Angle definition m∠1 + m∠2 = m∠2 + m∠3 + m∠4/reason: Substitution property equality m∠1 + m∠2  m∠2 = m∠2 + m∠3 + m∠4 m∠2/reason= Subtraction
asked by Sasha 
buisness
what are the tradeoff among increased wages for unions productivity effects and profitability effects on organization?
asked by natoshia 
Math
Monica stepped outside and began to think how fast she is moving even when she is standing still. Assume that the earth is a sphere with a radius of 3960 miles and Monica is at a latitude of 13∘N. What is Monica's speed due solely to the rotation of the
asked by Anonymous 
Mathematics
Monica stepped outside and began to think how fast she is moving even when she is standing still. Assume that the earth is a sphere with a radius of 3960 miles and Monica is at a latitude of 13∘N. What is Monica's speed due solely to the rotation of the
asked by Sal 
Math
Monica stepped outside and began to think how fast she is moving even when she is standing still. Assume that the earth is a sphere with a radius of 3960 miles and Monica is at a latitude of 13∘N. What is Monica's speed due solely to the rotation of the
asked by Todd 
Physics
A sphere of radius 2.84 cm and a cylinder of radius 8.97 cm are rolling without slipping along the same floor. The two objects have the same mass. If they are to have the same total kinetic energy, what should the ratio of the sphere\'s angular speed to
asked by Morgan 
Math
1. X7>10 X>? ?=7 2. 3x less than or equal to 21 X less than or equal to ? ?=7 3. 5a2
asked by Cats 
algebra
If an A.p. Fifth term exceeds twice second term by 1. The tenth term xeceeds twice fourth term by 3 * find first term and common difference * find sum of first twentyfive terms.
asked by Anwar 
Science
How much heat is released when 75.0 g of steam at 100.0 c is cooled to ice at 15.0c? I'm using 6.01 kl/mol for fusion of water, 75.4 j/molc for heat capacity of water and 36.4 j/mol c for molar heat capacity of ice.
asked by Kurt 
math
Larry and his sister, Betty, are saving money to buy their own laptop computers. Larry has $215 and can save $35 each week. Betty has $380 and can save $20 each week, When will Larry and Betty have the same amount of money?
asked by Owen 
Math
The price of a home is 177,000. The bank requires a 20% down payment and three points at the time of closing. The cost of the home is financed with a 30year fixedrate mortgage at 10%.
asked by Karen 
Algebra
A projectile is fired straight up in the air. Let h(t) be its height in meters above the ground t seconds after it was fired. Use the model h(t) = −4.9t2 + 70t + 30 to answer the following questions. Feel free to use a calculator for computations, but
asked by Jess Lee 
Chemistry
In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i
asked by Anonymous 
MATH HELP
Monica stepped outside and began to think how fast she is moving even when she is standing still. Assume that the earth is a sphere with a radius of 3960 miles and Monica is at a latitude of 13∘N. What is Monica's speed due solely to the rotation of the
asked by Carly 
math
the ratio of the number of people at dinner to the number invited was 106:100. Express this as a percent
asked by karie 
time speed and distance
P, Q and R start from the same place X at (a) kmph, (a+b) kmph and (a+2b) kmph respectively. If Q starts p hours after P, how many hours after Q should R start, so that both Q and R overtake P at the same time?
asked by vipul 
Spanish
What is the correct way to say "They are Colombian"? a. Son colombianos*** b. Sois " c. Estan " d. Estais "
asked by Alice Keign 
math
m∠2 + m∠3 + m∠4 = 180°/ reason: Given? m∠1 + m∠2 = 180°/reason: Supplementary Angle definition m∠1 + m∠2 = m∠2 + m∠3 + m∠4/reason: Substitution property equality m∠1 + m∠2  m∠2 = m∠2 + m∠3 + m∠4 m∠2/reason= Subtraction
asked by Sasha 
maths
A company is planning to manufacture and sell a new headphone set. After conducting extensive market surveys, the research department provide the following estimates: Marginal costs function: c^' (x)=RM(40+0.4x) where x is the quantity sold for the fixed
asked by yooo 
English
1. Twothirds of the apple is rotten. 2. Twothirs of the apples are rotten. (Both are correct,right?0 3. Most of the books were his. 4. Most of the time was spent in reading. (Are both grammatical? Do we have to use 'in' before 'reading' in Sentence 4?)
asked by rfvv 
Chemistry
You have 2m^3 of a mineral ore sample. It has a mass of 1x10^4 kg. Calculate the density of the ore sample and express your results in g/cm^3 with appropriate scientific notation.
asked by Please Help 
Math
The first question is show how to make one addend the next tens numbers. Complete the new addition sentence: 15 + 37= I need a break down to how to to figure this out. Please.. I have no clue what to do.
asked by Paula 
math
a dolphin swims from 10 3/4 feet under water and jumps 16 1/2 feet out of the water. What is the distance from his starting point to the highest point of his jump? I got 26 5/4
asked by Corben 
maths
Determine the nature of the roots of the following quadratic equations: (a) 3x^2  6x + 7 = 0 (b) 3x^2 + 6x  7 = 0 (c) 5x^2 x/5 = 0 (d) 4x^2  28/3x + 49/9 = 0
asked by Michael 
math please help
The speed of a passenger train is 8 mph faster than the speed of a freight train. The passenger train travels 310 miles in the same time it takes the freight train to travel 270 miles. Find the speed of each train. What is the speed of passenger train?
asked by madison 
math please help
The speed of a moving sidewalk at an airport is 6 ft/sec. A person can walk 42 ft forward on the moving sidewalk in the same time it takes to walk 10 ft on a nonmoving sidewalk in the opposite direction. At what rate would a person walk on a
asked by madison 
STATISTICS
A study of college football games shows that the number of holding penalties assessed has a mean of penalties per game and a standard deviation of penalties per game. What is the probability that, for a sample of college games to be played next week, the
asked by RILEY 
english
can you help me fill in each blank with a word about Money Problem
asked by Minh 
Math
Use the given values to write an equation relati g x,y and z given that z varies jointly with x and y X=3 Y=2 Z=2.4
asked by Willow 
applied business math
Thomas Rendell's company pays him a straight 7% commission with a $1,570 drawing account each month. If his sales last month totaled $142,280, how much commission is owed to Thomas?
asked by wanda 
Chemistry  acids & bases
4. Calculate the pH of each of the solutions and the change in pH to 0.01 pH units caused by adding 10.0 mL of 2.37M HCl to 320. mL of each of the following solutions. Change is defined as final minus initial, so if the pH drops upon mixing the change is
asked by Ellen 
Math
When 1 is subtracted from 5 times a number and a result is divided by 3 more than twice the number we get 4/5.find the number.
asked by Nitin 
world history ap
What are some similarities and differences between Mesoamerican and early indus civilizations
asked by Anonymous 
buisness
what are the economic benefits of union membership to employees and to what extent can these benefits be increased before employers face problems?
asked by natoshia 
Chemistry
How many moles of nitric oxide are formed from 0.60 mole of nitrogen dioxide
asked by Sienna 
English
1. Let's play tennis, shall we? 2. Let's not play tennis, shall we? 3. Let us play tennis, shall we? (Are the tag questions all grammatical?) 4. Have a cup of coffee, will you? 5. Have a cup of coffee, won't you? (Ae both okay? What is the difference
asked by rfvv 
Physics
How much heat must be added to 1kg of 0 degrees Celsius water to turn it into water at 50 degrees Celsius? If the water had been ice at 0 degrees Celsius, would that increase, decrease, or not change the amount of energy required?
asked by Teresa 
Ap chemistry
Calculate the concentrations of all ions present in the following solutions of strong electrolytes : 2.0 times 103 M AL2(SO4)3
asked by Tiffany 
Science (Chemistry) (Yield)
Using your mass of Mg (0.101g), and assuming all of the Mg burns in oxygen and forms the theoretical predicted product, calculate the theoretical yield of magnesium oxide. I wrote out the equation and it turned out to be: 2Mg+O2>2MgO I have my mass of Mg
asked by Ray 
Algebra II
Find the recursive formula for the following sequence and determine if the sequence is arithmetic or geometric. A) 3,7,11,15.... B) 5,15,75....
asked by Luisa 
Physics
A 1.96 kg toy train rolls around a circular horizontal track. If the train has an angular acceleration of 1.95 rads/s2 and is released with an angular speed of 33.0 rpm, what time is required for the train to come to a complete stop?
asked by Anonymous 
Math
Write each percent as a fraction and as a decimal. 7. 72% full 72/100 or .72 9. 500% increase Would it be 500/100 or 500/1000? .500 11. 37% profit 37/100 and .37 Please be so kind as to double check my answers and explain to me if I got anything wrong so I
asked by Donald 
algebra
the number of bacteria in a certain population is predicted to increase according to a continuous exponential growth model at a relative rate of 6% per hour. suppose that a sample culture has an initial population of 94 bacteria. find the predicted
asked by jasica 
algbebra
The fifth term of an A.p. Exceeds the second term by 1.The tenth term exceeds twice the fourth term by 3 * find first term and common difference * sum of first twentyfive terms.
asked by Anwar 
math
you buy a bicycle lock with 4 dials to enter the combination. the first dial has numbers from 0 to 9, the next dial has numbers from 3 to 8, the next has numbers from 0 to 4 and the last has letters from A to Z. write the equation for the number possible
asked by issy 
Math
write the base 10 numeral for twenty five thousand nine hundred?
asked by Kyle 
Science
Your moms vacumm cleaner really sucks up dirt. The motor draws a current of 6 A at a potential of 120 V. Calculate the power and resistance of her vacuum cleaner
asked by Yasmine 
physics
A mass of 1kg is placed at 1m,2m,0.Another mere of 2kg is placed at 3m,4m,0.Find moment of inertia of both the ladder about zaxis
asked by Gauravi 
Physics
A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow joint as well as other movements. If the linear velocity of the ball relative to the elbow joint is 19.7 m / s at a distance of 0.470 m from the joint and
asked by Morgan 
algebra
find the xintercepts, f(x)=9x^248x64
asked by jen 
Physics
A 59.6 g box is left 17.5 cm from the centre of a merrygoround. If the box has coefficients of friction of μs = 0.790 and μk = 0.550 with the merrygoround, what is the maximum speed of the merrygoround without having the box slide off of the
asked by Lana 
Physics
A 3.65 kg steel block is spun around a motor at 44.0 rpm. The angular acceleration of the block is 1.3 rads/s2 and it takes 3.54 s for the block to come to a complete stop. What is the angular displacement while the block slows to a stop?
asked by Tim 
English
1. You and Tom didn't attend the meeting, did you? 2. You, he and I are good friends, aren't we? 3. Tom and I are good students, aren't we? 4. Tom and Ted are good lawyers, aren't they?  Are the tag questions all
asked by rfvv 
English
Posted by rfvv on Friday, September 9, 2016 at 5:56pm. Oh, Susanna, Oh don't you cry for me For I come from Alabama With my banjo on my knee  What is the meaning of the sentences? 1. Don't cry for me, because I've come
asked by rfvv 
science
You normally drive the south expressway between Calubang and Magallanes at an average velocity of 105km/hr (65mi/hr), and the trip takes 2 hours and 20 minutes. On a Monday morning, however, heavy traffic slows you down and you drive the same distance at
asked by Johnny 
Finance
I'm struggling with being able to solve this question: A company wants to raise money in the capital markets. The firm intends to sell $18 million of common stock; the expected return is 15%. In addition, the company plans to issue $5 million of debt, the
asked by Veronica 
Physics
The angle of a sector of a circle is 75 If the radius of this circle is increasing at the rate of 0.3cm/s find the rate of increase of the area when the radius is 6cm
asked by Favour 
7th Grade Math
Sarah ran her first mile in 8 minutes. Her next mile was run in 6 minutes. What was the percent decrease in her mile time?
asked by Geek Girl 
MATH
if (3x)=6, (75x) are consecutive terms of GP with common ratio r>0, fing d value of (x) and d common ratio. thanks
asked by blake 
Physics
An orange of mass 40g falls freely from a tree to the ground through a distance of 2.5m. Calculate the velocity just before it hits the ground. Velocity = speed/time I have no speed or time so what do I do.
asked by Komori 
English
1. He used to take a walk in the park, didn't he? 2. Didn't he used to take a walk? 3. Didn't he use to take a walk? 4. He used to take a walk in the park, usedn't he? 5. He used to take a walk in the park, usen't he? 6. Usedn't he to take a walk? 7.
asked by rfvv 
STATISTICS
Suppose that a researcher is interested in estimating the mean systolic blood pressure, , of executives of major corporations. He plans to use the blood pressures of a random sample of executives of major corporations to estimate . Assuming that the
asked by RILEY 
math
separate 50 into 2 parts such that 3 times the smaller is 10 less than twice the larger. Find both parts.
asked by julia 
English
The cracker was named by Josiah Bent. One day Mr. Bent was making biscuits. He baked the biscuits until they were very crisp. The biscuits crackled when he chewed, so he called them crackers. What is main idea? The cracker was named by Josiah Bent What
asked by Hayden 
physics
A highway is being constructed to accommodate traffic for speeds of 22.8 m/s. If the angle of the bank is 6.28° and there is no friction force, what is the highway's curve radius?
asked by abdul 
Chem: pH of acids and bases
Calculate the concentrations of all species in a 0.320M solution of H2X if K1 = 6.31E06 and K2 = 3.71E09 [H2X] = [H3O1+] = [HX1] = [X2] = Work: H2X + H2O > HX + H3O+ .320 M This is literally the only thing I know. How can there be two different
asked by Maggie 
maths
1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2  6x  40 = 0 (ii) 3x^2 + 20x  7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.
asked by Saphina AlMatary 
Math
If the numerator and denominator of a fraction are both increased by 5, the resulting fraction is equivalent to 2/3. However, if the numerator and denominator are both decreased by 5, the resulting fraction is equivalent to 3/7. What is the fraction?
asked by Gems (thanks for helping) 
math
The parabola whose equation is 4y^2+3x=2+8y, determine the coordinates of the focus, equation of the directrix and the length of the latus rectum?
asked by david 
Math
The lengths of two sides of a parallelogram are 7.4cm and 9.2cm and one of the diagonals has a length of 6.2 cm. Find the area of the parallelogram.
asked by JR 8 
Math
What is the weight of one half of two fifth of a bag of sand? The bag of sand weighs 60 pounds.
asked by Bonnie 
Math
Find the solution set of x^2+x+3>0
asked by JR 8 
physics projectile
A ball is thrown with an initial velocity of 20mls at an angle of 30 to the horizontal calculate time of flight maximum height the horizontal range of the ball how do I know If you have done it
asked by onyebuchi ogor 
Math
Jaden gave away 1/2 of her money on monday. He then gave away 1/3 of what was left on Tuesday. On Wednesday, she spent 1/4 of his remaining money. What fraction of her original money does he have left
asked by Takay 
math
An age that is at least 25 years old.. Translate to inequality
asked by ben 
English
How do I find the simple subject and predicate for these sentences. There was much interest in Oriental culture. There were questions (S) about (P)this form of drama. There is some truth to these stories. Here is a photograph of him in Tokyo. Is there a
asked by Aveary 
math
a man jumps off of a cliff 12 feet above a lake. His jump takes him 4 3/4 feet under water. How far did his jump take him? I got 8 3/4
asked by Corben 
math 115
A city of population 2.0 million is expected to experience a 15% decrease in population every 10 years. a. What is the 10year decay factor? What is the yearly decay factor? The yearly decay rate? b. Use part (a) to create an exponential population model
asked by Brita 
English
Your ____ will not change my mind about letting you drive on icy roads.(importune). Answer: importunity The intern handled the____ remarks from his boss fairly well. (patronize) Answer: patronizing
asked by Kimmy 
> Finite Math
Colleen observed a candy store and counted the number of bars of chocolate sold  categorized into milk chocolate, dark chocolate, white chocolate, chocolate with peanuts, chocolate with almonds, chocolate with pretzels, and mint chocolate. THERE ARE: (12)
asked by KEN AMOS 
Physics
The 10 kg mass is released from rest at a height of 1m above the floor. If the coefficient of kinetic friction between the 5 kg mass and the table is 0.28, what will be the speed of the 10 kg mass just before it hits the floor? Please show the equation
asked by Anonymous 
Physics
The length breadth and the height of the brick is 25cm,7cm and 4cm respectively.Finf the pressure exerted by the Buick when it is kept 1.horizontally, 2.Vertically on a muddy floor and compare.
asked by Meenakshi 
physics projectiles
A ball is thrown with an initial velocity of 20mls at an angle of 30 to the horizontal calculate time of flight maximum height the horizontal range of the ball (2)A bullet is fired with a velocity of 50meter per seconds at an angle 0 to the horizontal
asked by onyebuchi ogor 
Chemistry
What is the pH of distilled water supersaturated with CO2 at 100psi?
asked by Kato 
Maths
1. For what values of a will the straight line y=ax+1 have ONE intersection with the parabola y=x^2x8?
asked by George 
English
Posted by rfvv on Friday, October 21, 2016 at 11:53pm. 1. Dogs can't see some colors. 2. Dogs can't see several colors. 3. Dogs can't see a few colors. 4. Dogs can't see any colors. .................................. Are they all grammatical? Can we use
asked by rfvv 
Math
Mary had 3/4 of a pizza left over. She cut it into pieces, each of which is 3/8 of the whole pizza. How many pieces did Mary cut?
asked by Meera 
Physics
An object of mass 12kg is pushed 34m up a frictionless slope that is at an angle of 56^o to the horizon. Determine both (a) the work on the object and (b) its change on gravitational potential energy.
asked by Saphina AlMatary 
Core World History
How was the early Roman Republic founded?
asked by Lenae 
maths
Solve the simultaneous questions: (a) x+y+z=3 (1)(b)x+2y+3z=14 (1) xy2z=13(2) 2x+3yz=13 (2) y4z=25 (3) 3xy+2z=7 (3)
asked by Saphina AlMatary 
math
The length of a garden is 12.75 m and if breadth is 8.25 how much fencing will be required for the 4 side of rectangular garden
asked by tinku kumar srivastava 
algebra
On average a family of four consums 247.2 gallons of water per day. Calculate the quarterly bill for family of four
asked by Anonymous 
Math
A sample of 120 bags of potatoes produced by a factory was found to have a mean weight of 2.47 kg and a standard deviation of 0.12 kg. Obtain a 95% confidence interval for the mean weight of all bags of potatoes produced by the factory.
asked by Grace 
Physics
A propeller is modeled as five identical uniform rods extending radially from its axis. The length and mass of each rod are 0.721 m and 2.55 kg, respectively. When the propellor rotates at 561 rpm (revolutions per minute), what is its rotational kinetic
asked by Morgan 
Math
Six times Amy's age decrease by 5, is the same as twice her age increased by 3 how old is Amy
asked by Sandy Pleas 
math
a quadratic function has 3 characteristics x=1 is the equation for the axis of symmetry... 3 is the x intercept ...y=32 is the maximum value
asked by benoy 
Math 113
If a rectangular face has an area of 120 square inches, which of the following dimensions could the rectangular face have?
asked by Neliodas carter 
Math
For what value or values of x is the expression 3x/x^2x undefined?
asked by Gems 
maths
1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2  6x  40 = 0 (ii) 3x^2 + 20x  7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3.
asked by Michael 
maths
Write down the sum and product of the roots of the following quadratic polynomials: (a) 3x^2  6x  7 (b) 3x^2 + 6x + 7
asked by Michael 
English
1. He didn't use to go fishing with his friends. 12. Didn't he use to go fishing with his friends? 2. He used not to go fishing with his friends. 22. Used he not to go fishing with his friends? 3. He usedn't to go fishing with his friends. 32. Usedn't
asked by rfvv 
chemistry
For each pair of compounds, predict which species will have the higher molar entropy at 298 K and 1 bar. Be sure to state your reasons for your choice. 1. N2(g) vs. F2(g) 2. ICl (g) vs. BrF(g) 3. 6Li(s) vs. 7Li(s)
asked by Joseph 
physics
two force 12N and 24N,90degree that find two force
asked by TESFAYE 
Maths
If 1/2 and 3/4 of my money is 12 how much money do I have ??
asked by Patrick 
English
Something a "patron" of Burger King would most likely do. a. seek knowledge b. seek sponsorship c. buy art d. buy fries Answer: d
asked by Kimmy 
Physics
A ball of mass 2kg travelling in a straight line at 4ms^1 is acted on by a force of 3N acting in the direction of motion for 5 seconds. What is the speed of the ball after 5 seconds?
asked by Saphina AlMatary 
Math
If the perimeter is 112 what are the side lengths
asked by Mya 
physics
A ball of mass 2kg travelling in a straight line at 4ms^1 is acted on by a force of 3N acting in the direction of motion for 5 seconds. What is the speed of the ball after 5 seconds? vf=vi+at but a=force/mass a = 3÷2= 1.5 vf=4+1.5×5= vf=4+7.5
asked by Saphina AlMatary 
maths
Determine the nature of the roots of the following quadratic equations: (a) 3x^2  6x + 7 = 0 (b) 3x^2 + 6x  7 = 0 (c) 5x^2 x/5 = 0 (d) 4x^2  28 49 x +  = 0 3 9
asked by Saphina AlMatary 
Math
Divide 2 ____ 9 ____ 2
asked by Jenny 
Chemistry
Illustrate how to prepare a 1:3 solution of 0.5M hydrochloric acid
asked by Adoma 
Math
Triangle ABC has a right angle at C. The bisector of an exterior angle at B intersects line AC at D. If AB=13 and BC=5, what is the length of segment BD?
asked by Gems 
Math
Kyle has 2 shelves in his bookcase.he puts 2 books on the top shelf and 1 book on the bottom shelf. Are kyle books in an array?
asked by Cole 
Math
For what real values of k will the roots of the equation kx^23kx=2 be real numbers?
asked by JR 8 
Maths
find the formulas of the Next three terms rule of 36, 49, 64, 81, .....
asked by Anonymous 
chemistry
Why do some reactions go to completion while others reach a state of equilibrium?
asked by lauren 
maths
1a) Solve each of these questions by factorising the left hand side into a product of linear factors: (i) x^2  6x  40 = 0 (ii) 3x^2 + 20x  7 = 0 For each question in part (a), check your solutions by substituting them back in to the equation.
asked by Steve 
Chemistry
0.4 moles of pcl3 and 0.3 moles of pcl3 added to access ofC2H5OH then maximum no of moles obtained
asked by Abdul 
Math
Can someone write an irrational number? Just any one.
asked by Brooke 
Chemistry
0.4 moles ofpcl3 and 0.3 moles of pcl3 added to access ofC2H5OH then maximum no of moles obtained
asked by Abdul 
English
1. Paris is the capital of France. 2. Paris is a capital of France.  Sentence 1 is right. Sentence 2 is wrong. By the way, why do we have to use 'the' before 'capital'? Is that because 'the capital of France ' is the only one
asked by rfvv 
Math
There are 4 people in the playground. How many ways can 3 people be selected to play?
asked by Anonymous 
math
Give reason 8454 is divisible by 6
asked by Lulu 
Math
In triangle ABC, measure of angle A is equal to 30 degrees, AC is equal to 4 and AB is equal to 3 square root of 3. Find BC
asked by Precious 
Math
A trapezoid has parallel sides 13 and 21 cm long. The longer of the two nonparallel sides is 17 cm and the shorter is perpendicular to a parallel side. What is the area of the trapezoid?
asked by Gems 
English Writing
Each of the following sentences contains an error in subject and verb agreement. Rewrite each sentence correctly. 1. Scalloped potatoes goes well with both ham and meat loaf. 2. The staff is arriving one at a time. 3. Politics are always more widely
asked by A. 
Math
The diameters of a circle is 50cm how far does the wheel travel for 1 turn
asked by Mary 
Five Number Summary
Boxplot Five Number Summary 9 10 11 12 13 14 15 16 17 18 19 20 DATA WHAT IS THE Q1, MEDIAN, Q3
asked by BRISK 
History
Who first thought they had encountered the ten "lost tribes"? This question is a response question if you can write it in a few sentences if not that's fine.
asked by Anonymous 
Math
Determine the value(s) of m so that the lines with equations 5x + 3y = 7 and y = mx + 2 intersect at an angle of 52.4°. (nearest hundredth)
asked by Caylee 
maths
Solve the simultaneous questions: (a) x+y+z=3 (1) xy2z=13 (2) y4z=25 (3) (b)x+2y+3z=14 (1) 2x+3yz=13 (2) 3xy+2z=7 (3)
asked by Saphina AlMatary 
Math HELP!
Point 1 (x1,y1)= (3,2) Point 2 (x2,y2)= (5,6) Slope: m=rise/run ; m=y2y1/xsx1 ; m= 62/53 = 2 m=2 Point slope form: (yy1)=m(xx1) I used point 1 so, y2=2(x3) Answer: y=2x4 and the answer would be the same if I used point 2 (5,6) MY QUESTION IS:
asked by Jess 
Math
Gina and Maggie working together can do their MI4 project in 24 hours. If Gina works alone for 8 hours and Maggie then finishes the job in 30 hours, how many hours would it take each working alone to do the project? [Assume both work at a constant rate].
asked by Ashley 
precalc.
1. Calculate the limit of f(x) = x/x as x tends to 0. 2. Calculate the limit of f(x) = (x^21)/(x1) as x tends to 1.
asked by cool 
Math
In triangle PQR,A and B are midpoints of segment PQ and segment RQ,respectively.If PR=16,measure of angle P is 58 degrees, and measure of angle Q is 38 degrees, what is measure of angle ABR?
asked by JR 8 
Science
How do the processes for identifying rocks and minerals compare? Describe at least one similarity and one difference between them.
asked by Just a confused person... 
Math
How do you know which relation is NOT a function? (How do you determine or figure that out) 1.) y=2x+4 2.) y=x^24x+3 3.) x=3y2 4.) x=y^2+2x3
asked by Jenny 
physics projectiles
A ball is thrown with an initial velocity of 20mls at an angle of 30 to the horizontal calculate time of flight maximum height the horizontal range of the ball
asked by onyebuchi ogor 
Help! [Math]
2.7/9.0 x 10^(5)(6) = ? I can't figure it out :'c
asked by Mark 
Calculus
The function f is given by f(x)=3x^2+1. What is the average value of f over the closed interval [1,3]? The answer I get is 12, but the book says it's 14. I don't understand why.
asked by Mike 
Math
The side of a square is 15 cm. Calculate the length of its diagonal. (1dp)
asked by Anonymous 
help sir steve
find all the value of arccosh^1(5throot(18)) express in form of x+jy plz show me how
asked by plz 
maths
Solve the simultaneous questions: (a) x+y+z=3 (1) xy2z=13 (2) y4z=25 (3) (b)x+2y+3z=14 (1) 2x+3yz=13 (2) 3xy+2z=7 (3)
asked by Michael 
English
1. Half of the bananas are from Mexico. 2. Half of my time was spent in reading essays. 3. Half of these boxes have stones. 4. Half of the money doesn't belong to me.  Would you check the sentences? Are they all
asked by rfvv 
math
If A=(1.4.7.9) and B=(4,5,6,7,8) Find: n(A)=
asked by Anonymous 
maths
1a) Solve each of these questions by factorising the left hand side into a product of linear factors: (i) x^2  6x  40 = 0 (ii) 3x^2 + 20x  7 = 0 For each question in part (a), check your solutions by substituting them back in to the equation.
asked by Saphina AlMatary 
maths
Rewrite each of the following expressions as a difference of two squares by completing the square (e.g. x^2 + 4x is rewritten (x + 2)^2  4: (a) x^2  6x (b) 3x^2 + 20x
asked by Saphina AlMatary 
Science Biology
What does it mean to say that mutations are random?
asked by A. 
calc
How do I find the inverse of a picewise function???
asked by Mary 
check my answer please
A ball of mass 2kg travelling in a straight line at 4ms^1 is acted on by a force of 3N acting in the direction of motion for 5 seconds. What is the speed of the ball after 5 seconds? vf=vi+at but a=force/mass a = 3÷2= 1.5 vf=4+1.5×5= vf=4+7.5
asked by Saphina AlMatary 
maths
Solve each of these questions by factorising the left hand side into a product of linear factors: (i) x^2  6x  40 = 0 (ii) 3x^2 + 20x  7 = 0 For each question in part (a), check your solutions by substituting them back in to the equation.
asked by Saphina AlMatary 
English
1. The color of a room can influence a person's mood. 2. A cheery yellow makes a person feel cheerful. 3. Both green and blue can be restful and make a person feel relaxed. 4. A large dose of bold red can make someone angry. 5. Be careful when you choose
asked by Hayden 
Math
In triangle ABC, measure of angle A is 30 degrees. AC=4, AB=3 square root of 3. Find BC.
asked by Gems 
Math
What's 9+10?
asked by Destiny 
maths
Write down the sum and product of the roots of the following quadratic polynomials: (a) 3x^2  6x  7 (b) 3x^2 + 6x + 7
asked by Steve 
Math
The sides of a triangle are 15, 20 and 28. How long are the segments into which the bisector of the largest angle separates the opposite side
asked by Gems 
math
40% of ___ = 60
asked by katie 
Math
6 softball teams are to play each other once. how many games are needed?
asked by Ray 
Core World History
Choose a Greek achievement or accomplishment and explain why you think it was ancient Greece's most important contribution to Western culture.
asked by Lenae 
Maths
Next three terms rule of 36, 49, 64, 81, .....
asked by Anonymous 
political of the internet
Why do you think the imposed prodemocratic movement in Iraq was so unsuccessful, whereas the grassroots prodemocratic movement in Egypt was successful in structural change?
asked by Ann 
Math, Precalc
Find values of the constants A, B, and C such that (16x^2+48x−216)/(x^3−36x)=A/(x−6)+B/(x)+C/(x+6).
asked by Anonymous 
Math
What is the last digit of the number 4^2006
asked by Anonymous 
chem
what must happen for an element to emit visible light
asked by Anonymous 
ratio and proportion
832 foot tree casts a shadow of 18 foot how long will the shadow be for a 22 foot tree
asked by Kim 
True or False Math
{a, c} € {a, b, c} How do you get the answer? Thank you
asked by Kal Jay 
Dowingtown
Mrs.Partsch prepared a variety of cookies. 1/2 of the cookies were oatmeal raisin. 1/2 of the remaining cookies were gingerbread. There were 8 triple fudge cookies. How many cookies did mrs.patsch prepare altogether
asked by Meera 
Please Help Math
Let U={1, 2, 3, 4, 5, 6, 7, 8, 9} and A={1}. Find the set Ac. a. {2, 3, 4, 5, 6, 7, 8, 9} b. {1, 2, 3, 4} c. {2, 4, 6, 8, 9} d. {2, 3, 4, 5, 6, 7, 8} Thank you!
asked by Kal Jay