Questions Asked on
April 9, 2018

History
Which islands were important in the islandhopping campaign? (Select all that apply) Saipan Guam Guadalcanal Iwo Jima A and D?
asked by Quinn 
History
Which identifies the significance of the Nuremberg trials? ensured the execution of every highranking Nazi official created four Allied occupation zones in postwar Germany provided a precedent for international cooperation and justice for all war crimes
asked by Quinn 
History
Which accurately analyzes the development of Nazi camps for Jews? Initially, Jews were interned in concentration and labor camps before being sent to death camps Jews were initially forced into concentration camps before being transferred to city ghettos
asked by Quinn 
Math
It is a beautiful sunny day at the fair. The U.V. index for this day is 8, or high, so sunscreen is a must for all the young folk. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the fewer
asked by Lilly 
world civilizations
What was the significance of Olga’s creation connection between Kiev and Constantinople?
asked by Bethanie 
history
What impact did Napoleon have on popular culture? Napoleon deported foreign artists and teachers who spoke out against him. Napoleon controlled art production so that he would be portrayed in a positive manner. Napoleon replaced the Julian calendar with a
asked by Bri 
Calculus
A rectangle initially has dimensions 4cm by 6cm. All sides begin increasing in length at a rate of 5cm/s. At what rate is the area of the rectangle increasing after 15 seconds
asked by Ashlyn 
Chemistry
Ammonia (NH3) ionizes according to the following reaction: NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH–(aq) The base dissociation constant for ammonia (NH3) is Kb = 1.8 × 10–5. Ammonia (NH3) also has a chloride salt, ammonium chloride (NH4Cl), which is soluble
asked by Summer 
Chemistry
Students are instructed to add no more than 0.25 mL of 15 M nitric acid. What volume of 15 M nitric acid is required to react with 0.030 g of copper metal? If 1.0 mL of acid contains approximately 20 drops, how many drops of nitric acid are needed?
asked by Bob McRonalds 
Chemistry
NH4Cl(s) → NH3(g) + HCl(g) ΔH°=176 kJ/mol At 25 °C, this reaction has a ΔG° of 91.1 kJ/mol. What is the ΔS° of this reaction? I came up with the solution of 0.896 kJ/mol. Is this correct?
asked by Summer 
Social Studies
I got the question correct but I don't understand why the answer I chose was correct. (I eliminated the ones that I knew were wrong and guessed out of the two answers I had left) Here's the question: Which event contributed most significantly to the
asked by Evalyn Carver 
History
The Weimar Republic’s inability to deal with economic issues caused by __________ led to the rise of extremist groups like the Nazis. hyperinflation and the Great Depression the adoption of socialist policies a drop in the value of gold unemployment
asked by Quinn 
Calculus
An arrow is shot into the air and moves along the parabolic path y=x(50x). The horizontal component of velocity is always 90 ft/s. What is the vertical component of velocity when... x=10 x=40
asked by Ashlyn 
Math
It is a beautiful sunny day at the fair. The U.V. index for this day is 8 or higher so sunscreen is a must. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the less U.V. rays can penetrate to
asked by emily 
Algebra
Given the functions f(x)=1x−2+1 and g(x)=1x+5+9 . Which statement describes the transformation of the graph of function f onto the graph of function g? The graph shifts 8 units right and 7 units down The graph shifts 7 units left and 8 units up. The
asked by Esther 
Calculus
An inverted conical water tank with a height of 16 ft and a radius of 8 ft is drained through a hole in the vertex at a rate of 5 ft^3/s. What is the rate of change of the water depth when the water is 4 ft
asked by Ashlyn 
English
1. He is swimming in the river. 2. He is swimming on the river. [Can we use on as in #2?] 3. He is on top of the bus. 4. He is on the top of the bus. [Can we use both expressions?] 5. He is on the bus. 6. He is on top of the bus. 7. He is in the bus. [Does
asked by rfvv 
Chemistry
Why is trioxonitrate v acid not used for preparing hydrogen from metals
asked by Gb 
Physics
The pupil of an eagle’s eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. From a distance of 182 m, the eagle sees them as one unresolved object and dives toward them at a speed of 15 m/s. Assume that the eagle’s eye detects light
asked by Jack 
Chemistry
Balance the following in basic solution. NO2− + H2 → N2O Find Oxidation reaction, Reduction reaction, and Net reaction
asked by Anonymous 
Chemistry
A hydrocarbon consists of a benzene ring and two methyl groups. The methyl groups are located at opposite carbons and the molecule is perfectly symmetrical. Which option correctly describes the numbers of the carbon atoms the methyl groups are bonded to?
asked by Summer 
Chemistry
Silicon is an element that is directly below carbon on the periodic table. Silicon can form bonds similar to carbon. Siliconsilicon single bonds require 222 kJ/mol of energy to break. Based on the statements, how much energy would it take to break a
asked by Summer 
Mathh
A baseball is hit from a height of 0.8 m. After “t” seconds, its height “h”, in metres, is given by the equation h = 5t2 + 20t + 0.8. How long does the ball stay at least 15 m above the ground? What would be the LET statement?
asked by T 
Circuits 2
For the circuit below, V1 has rms voltage of Vrms=10V. The turn ratio of the primary to secondary side of the transformer is 1:10. If R1 has a value of 20Ω, what is the value of the rms current on the secondary side? Enter your answer in units of Amps.
asked by student 
Chemistry
Balance the following halfreaction under basic conditions. NO3^− → NH3
asked by Annie 
Us history please help
The] said Cooper Hughs Freedman with his wife...are to work on said farm and to cultivate forty acres in corn and twenty acres in cotton, to assist in putting the fences on said farm in good order and to keep them so and to do all other work on said farm
asked by Anonymous 
Chemistry (bonds)
Which formula represents a 5carbon hydrocarbon ring with one double bond? C5H12 C5H5 C5H8 C5H7 I chose C5H8, is this correct?
asked by Summer 
Chem
Which of the following sixcarbon molecules can be a straightchain alkyne with two triple bonds and no double bonds? C6H4 C6H6 C6H8 C6H10 I chose C6H6, is this correct?
asked by Summer 
Chemistry
How many grams of a sodium salt would you need to prepare 500 ml of a buffer at pH = 3.29, using 0.100M solution. (Use 3 sig fig , atomic wts to whole number)
asked by John 
Math
Two trains start heading toward each other from two cities, the distance between which is 720 km, and meet right in the middle. The second train left 1 hour after the first train, but traveled at a speed 4 km/hour faster than the first train. Find the
asked by Anonymous 
math
Lily has $18. Matt has twice as much of a third of the amount that Lily has, and Carolyn has $23 more than Matt has. How much money does Carolyn have
asked by gabby 
Algebra
Enter the equations of the asymptotes for the function f(x) . f(x)= −(2/x+4) − 6 Vertical Asymptote: ? Horizontal Asymptote: ?
asked by Esther 
Chemistry
I. C(s) + O2(g) → CO2(g) ΔHf = −394 kJ II. H2(g) + O2(g) → H2O(l) ΔHf = −242 kJ III. 2C(s) + 3H2(g) → C2H6(g) ΔH =−84 kJ The combustion of C2H6 is shown by the following equation: C2H6(g) + O2(g) → 2CO2(g) + 3H2O(l) Which option correctly
asked by Summer 
Physics
In Young's experiment a mixture of orange light (611 nm) and blue light (471 nm) shines on the double slit. The centers of the firstorder bright blue fringes lie at the outer edges of a screen that is located 0.452 m away from the slits. However, the
asked by Jack 
Math
.Over a 24hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is
asked by James 
math
The function f(x) is the number of feet below the surface of the water a diver is at x seconds. After 14 s, the diver reached the maximum distance of 22 ft below the surface of the water. The diver stayed in the water for 20 minutes. What is the
asked by Randy 
ELA
Choose the best paraphrase for the sentence below: "A pox on you for your loathsome chiding!" a. Curse you for your hateful scolding!*** b. May you be diseased for your disgusting behavior c. I want to hit you because you've been hiding
asked by Anonymous 
Biology
Which rule of probability is used for mutually exclusive outcomes?
asked by Ceamus Angelina 
Algebra 1
Tickets to a local movie were sold at $4.00 for adults and $2.50 for students. If 287 tickets were sold for a total of $1107.50, how many adult tickets were sold?
asked by Just a Geek 
Algebra
What effect does replacing x with x−4 have on the graph for the function f(x)? f(x) = ∣x−6∣+2 The graph is shifted 4 units up The graph is shifted 4 units down. The graph is shifted 4 units left. The graph is shifted 4 units right.
asked by Esther 
Geometry
what would happen to the number of rotations if the circumference of the tire were increased by 20% what would happen to the number of the rotation if the circumference of the tire were to decrease by 20%
asked by Stacy B. 
Chemistry
When 400ml of a 0.01M MgCl2 solution is mixed with a 300ml if a NaOH solution at pH 9.0, a precipitate will form. True or False?
asked by Nick 
English Poetry
How do authors use gothic and romantic elements to develop content and style that add beauty and power to their writing? (Examples to use: Poe—“Annabel Lee”, “Lenore”, “The Raven”, “The Pit and the Pendulum”, “Mistletoe Bough”,
asked by Sarah 
physics
A 2285 kg freight train, coasting at 13 m/s, strikes a stationary 2465 kg box car. Determine the "CHANGE IN VELOCITY" for the freight train if the freight train and the box car couple together. Hint: Draw an "IF Chart" to solve.
asked by Zach 
physics
A 2285 kg freight train, coasting at 13 m/s, strikes a stationary 2465 kg box car. Determine the "CHANGE IN VELOCITY" for the freight train if the freight train and the box car couple together.
asked by Zach 
MATHh
Include the LET statement for the equation below: An art dealer advises that, for the best display of a painting, the area of the frame should be 1/5 the area of the painting. Determine the best width of the frame for a painting 20cm by 20cm, if the
asked by T 
math
A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds? express the answer in scientific notation.
asked by Sasha 
Math
Nancy is 6 times as old as Mary. When will she be only twice as old as Mary?
asked by Chey 
Physics
A sound wave travels in air toward the surface of a freshwater lake and enters into the water. The frequency of the sound does not change when the sound enters the water. The wavelength of the sound is 3.52 m in the air, and the temperature of both the air
asked by Abdul 
physics
A 12801 kg freight train, coasting at 19 m/s, strikes a stationary 2445 kg box car. Determine the "CHANGE IN MOMENTUM" for the freight train if the freight train and the box car couple together. Hint: Draw an "IF Chart" to solve. i got 39005.01
asked by Zach 
Physics
Write out all the nature and position of image formed by a convex lens or concave lens.
asked by Pauline 
science
Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to identify fractures in metals. I)
asked by jessica 
math
One pipe can fill a pool in 10 hours. Another pipe can fill the pool in 30 hours. How long would it take them to fill the pool if they were working together?
asked by Anonymous 
math
A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds? express the answer in scientific notation.
asked by Sasha 
math
What is (f+g)(x)? f(x)=x^2−36 g(x)=x^3+2x^2−10
asked by Randy 
Math help pls!!!
the sum of the ages of petra and her mother 44. her mother is 8 years more than twice as old as petra. how old are petra and her mother. this dont make sense so pls help me on this math question help me asap pls and ty
asked by Kinda Dorky 
English
What is the downfall of the hero in a tragedy? a. the actions of the villain b. his own actions*** c. a weak point in his character
asked by Anonymous 
Physics (HELP)
An object is placed at a distance of 6 cm from a concave mirror and an image is produced at a distance at a distance of 14 cm from the mirror. What is the focal length?
asked by Lance 
Physics (HELP)
An object is placed at a distance of 60 cm from a converging lens with a focal length of 20 cm. What is the magnification of the lens?
asked by Lance 
Third grade math
Emilio was playing marbles in the first round he lost 1/2 of his marbles in the second round he lost 1/4 of his his remaining marbles in the third round he lost 1/3 of his remaining marbles he gave 1 marble to his friend he had 1 marble left how many
asked by Jeff 
Socials
Why do you think lawyers in landclaims trials refer to the royal proclamation of 1763 more than 2 hundred years after it was proclaimed?
asked by llllllllll 
Biology
What volume range is a P20 (micropipette) useful for?
asked by Ceamus Angelina 
Biology
Which technique or device is used to determine probabilities of allele combinations in offspring?
asked by Ceamus Angelina 
Biology
How many alleles for a specific gene can any single gamete contain?
asked by Ceamus Angelina 
Algebra & Stumped
I am stumped on this question which I belive I will never get an answer to it Shelly hopped onto her bicycle and pedaled to the park at 14 miles per hour. Then she whizzed back at 20 miles per hour. If the total trip took 3 2/5 hours how far was it to the
asked by Stumped 
Math
Which does the Y intercept this function represent Y equals 2+ 4X
asked by John 
Chemistry
I need help solving these. I don’t know what formula to use for them. There’s the (Boyle’s law, Kevin’s law, Charles law, and Gays law). Can someone help me figure out which law I’m supposed to use?
asked by Samantha 
Math
At a farm, animals are fed bales of hay and buckets of grain. Each bale of hay is in the shape a rectangular prism. The base has side lengths 2 feet and 3 feet, and the height is 5 feet. Each bucket of grain is a cylinder with a diameter of 3 feet. The
asked by Kendall Stepp 
Statistics
What is a diagram that shows the frequency of data on a number line. I honestly don't know.
asked by Jonathan 
math
Maya needs to make a total of deliveries this week. So far she has completed of them. What percentage of her total deliveries has Maya completed?
asked by alfonso 
ELA
Read the passage from "The Charge of the Light Brigade:" "Forward, the Light Brigade!" Was there a man dismayed? Someone had blundered. Theirs not to make reply, Theirs but to do and die. Into the Into the valley of Death Rode the six hundred. Where are
asked by Carol 
Circuits 2
Select all statements below that are TRUE. a.Transformers can increase both voltage and current at the output. b.Transformers can be used as an impedance matching element. c.Transformers work by coupling magnetic fields between coils. d. LVDTs measure
asked by student 
physics
A 12784 kg freight train, coasting at 17 m/s, strikes a stationary 5450 kg box car. Determine the velocity of the train and the box car is they couple together.
asked by Zach 
History
What was the significance of Japanese military culture on President Truman’s decision to use atomic weapons to end the war? Can I get help finding a source to answer this question?
asked by Quinn 
English
1. She is at the river. 2. She is by the river. 3. She is at the car. 4. She is by the car. 5. She is at the table. 6. She is by the table. 7. She is at the computer. 8. She is by the computer. [Is each pair the same? Is there any difference in each pair?]
asked by rfvv 
math
Kyle divided a drink with a volume of 2 1/2 cups into 1/4 portions. How many portions did he he have?
asked by kim 
English
1. What is the root verb of 'seen'? 2. What is the base verb of 'seen'? 3. What is the bare infinitive of 'seen'? 4. What is the verb root of 'seen'? 5. What is the dictionary form of 'seen'? 6. What is the base from of the verb 'seen'? It's 'see.' [Which
asked by rfvv 
Algebra
I need to know the steps to complete this equation please help. f(x)=9x^3+2x^25x+4 and g(x)=5x^37x+4 What is f(x)g(x)? Show all of your steps and write your final answer in factored form.
asked by Student 
Language arts ca
Both "the road not taken" and "o captain! my captain! are analogies. write a paragraph comparing the authors use of analogy. what is analogy? how does frost use analogy in his poem? how does whitman use analogy in his poem? why has each of these analogy
asked by tooti 
math
Order from least to greatest. A.1/4,0.2,1/2 B.1/2,1/4,0.2 C.0.2,1/4,1/2 D.0.2,1/2,1/4
asked by kim 
math
what is the dimensions of a square? area = 144 cm2
asked by densha 
Math
A fish caught whose tail weighed 9 pounds. His head weighd as much as his tail and half of his body, and his body weighed as much as his tail and head. How much did the fish weigh.? Is 40 1/2 lbs right or wrong?
asked by Kathy 
Chemistry
Given the following data for a hypothetical reaction: M3+ (aq)+ L(aq) ⇋ [ML]2+(aq); calculate the equilibrium concentration of [ML]2+in the trial solution and Kc based on this single trial run of the equilibrium reaction. Standard solution data:
asked by Kevin 
Math
Eight points are placed on a circle. How many lines are possible if each point is connected to each of the other points
asked by Bella 
Physics
A tumor of 120 g absorbs a total of 1.7 J of energy. Determine the absorbed dose in rads. I got 1417 rad, am I correct? Thanks!
asked by A.S 
English (Comprehension)
Good morning! I'm having difficulty with this question on my practice sheet, and I wanted a secondhand opinion, any help is appreciated. Read this excerpt: Oneeighth of the whole population were colored slaves, not distributed generally over the Union,
asked by Evelyn 
Physics
A 75 kg laboratory technician working with the radioactive isotope 137Cs receives an accidental 100 mrem exposure. 137Cs emits 0.66 MeV γray photons. a) How many γ ray photons are absorbed in the technician’s body? b) How many rad of alpha radiation
asked by A.S 
Math
i need help with a few problems. 1. find 3 solutions to the equation y=7x5
asked by Tyler 
Math  repost for Diana
Ryan bought 6 apples and 9 peaches for a total of $9.75. Madi bought 4 apples and 5 peaches for $5.75. How much are apples and peaches?
asked by Writeacher 
Math
A total of 210 people attended the opening night of a school musical. Student tickets cost 3.00 each while general admission tickets cost 7.50 each. If total sales were $1296, how many general admission tickets were sold? Need help setting up the equations
asked by Ana 
physics
A 11722 kg freight train, coasting at 11 m/s, strikes a stationary 13855 kg box car. Determine the "CHANGE IN MOMENTUM" for the box car if the freight train and the box car couple together. Hint: Draw an "IF Chart" to solve. (This question has been updated
asked by Zach 
English
posted by rfvv Thursday, April 5, 2018 at 5:57am 1. I laugh. Don't laugh, I tell myself. Think of tomorrow's math test. That works. I sit quietly.  In the book, 'Don't laugh' is in italic type. In the
asked by rfvv 
Math
Determine which ordered pair is a solution of y = 5x + 10. A. (15, 5) B. (2, 0)•• C. (1, 5) D. (3, 25) Find the slope of the line through (9, 10) and (2, 5). A. 5/7 B. 7/5 C. 5/7 D. 7/5 If so can someone please describe how to get awnsers I
asked by Memed 
Algebra
Write each statement as an inequality. Then give 3 solutions of the inequality. 7 minus 5 is less than x 8 is greater than or equal to u H is greater than 5 times 8 P times 7 is less than or equal to 63
asked by Dylan 
phyiscs
A train is moving at 17 m/s and has a mass of 2564 kg. A broken down car (loaded with heavy bricks) is stopped on the train track. Upon impact, the train and car get tangled together and travel at a constant velocity of 4 m/s. What is the mass of the
asked by Zach 
Algebra
Consider these equation and inequalities 2/3x=1/3x+1/4 2/3x 1\3x+1/4 Evaluate 2/3 x for x= 1/2 Evaluate 1/3x+1/4 for x= 1/2 Evaluate 2/3 x for x= 2 Evaluate 1/3x+1/4 for x=2
asked by Cheyenne 
Physics
A stationary 14 kg shell explodes into two pieces. If the 5 kg piece has a velocity of 70 m/s, determine the velocity of the other piece. Do not round your answer until the end! i got 38.89
asked by Zach 
Physics
You are flying in an ultralight aircraft at a speed of 41.4 m/s. An eagle, whose speed is 21.7 m/s, is flying directly toward you. Each of the given speeds is relative to the ground. The eagle emits a shrill cry whose frequency is 3680 Hz. The speed of
asked by Amena 
algebra 2
30 , + 3 y 8 , and + 9 y 9 degrees. Write an expression for the degree measure of the fourth angle.
asked by sue 
mathh
A right triangle has a height 8 cm more than twice the length of the base. If the area of the triangle is 96 cm2, what are the dimensions of the triangle.
asked by T 
math
a rectangle has an area of 4(x+3)square units. if the dimensions are doubled what is the area of the new rectangle terms of x.will the ratio of the area of the original rectangle to the area of the larger rectangle be the same for any positive value of x?
asked by allison 
Chemistry
(My answers) 1. A sample of gas occupies 33 mL at 101 Celsius what volume does the sample occupy at 97 Celsius? (70.578) 2. There is a balloon that contains 2125 L of gas at 55 Celsius and 99 kPa. This balloon rises to an altitude where the pressure is
asked by Samantha 
math
Suppose a bag contains 3 blue and 2 green marbles. You randomly draw 2 marbles without replacement. If B=drawing a blue marble and G=drawing a green marble, which event does NOT have the same probability as the others? Bag A. GG B. BB C. GB D. BG
asked by wayne 
math
You randomly draw marbles from a bag containing both blue and green marbles, without replacing the marbles between draws. If B=drawing a blue marble and G=drawing a green marble, which represents the probability of drawing a blue marble first and a green
asked by wayne 
PHYSICS
An object 5cm tall is placed 8cm before a concave and convex lens .if the image form is 10cm from the mirror. (i). Determine the focal length of the mirror (ii). Calculate the magnification if any. Please friend I need solution
asked by Wisdom 
Physics
A object is placed before a converging lens. calculate the image formed if the lens as focal length of 15cm also determine the magnification of the length.
asked by Pauline 
Pre Algebra
which is steeper, a line with a slope of 7 or a line with a slope of 10? Can you explain it to me also?
asked by QUEENBEE 
Social studies

math
Can someone explain to me how you can find interest rates? thank you!
asked by Anonymous 
geography
why do mountaineers carry oxygen while climbing high mountains?
asked by poonam 
Physics
A 10kg crate is pulled along a horizontal floor by a constant force exerted by a person, Fp = 80N, which acts at a 45◦ angle. The floor is rough and there is a kinetic friction force of 4.1 N acting on the crate as it slides. The crate is pulled for a
asked by Laura 
Math
Need some help with setting it up please. Thank you. Joanna wants to buy a car. Her parents loan her 5,000 for 5 years at 5% simple interest. How much will Joanna pay in interest?
asked by Lisa 
Calculus
For approximately what values of x can sinx be replaced by x  x^3/6, with an error of magnitude no greater than 8 * 10^3?
asked by Anonymous 
physics
A 1500kg wooden roller coaster car traveling at 15 m/s approaches the loading station where the undertrack brake strips are pneumatically actuated to slow the car to a stop in 10m. What is the work done on the car by the brakes? What is the retarding
asked by Laura 
Algebra
What's the the right order from least to greatest for 1/14, 7/9, 4/5, thank you very much. Kim
asked by Kim 
Geometry
For a point, give a construction of a line so the portion intercepted by the segments of a given angle are bisected at the point.
asked by Tom 
Science
Why does evolution matters today if it takes millions of years for an organism to change and adapt? Also, does it have to do with genetic variation?
asked by Gabby 
Geometry
In a triangle, prove the perpendicular from the vertex opposite the side that is not less than either of the remaining sides falls within the triangle.
asked by Tom 
Algebra
What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x^2−9/x−3
asked by Esther 
Physics  please help!
Hello! I don't understand how to solve this physics problem, please help me: A projectile is launched at 15 degrees. The landing height is the same as the launch position. At what other angle can the projectile be launch to achieve the same horizontal
asked by Mariam 
math
Which characteristic is correct for the function f(x)=−2x3+3x ? neither even nor odd even both even and odd odd
asked by Randy 
math
What is (f·g)(x)? f(x)=x^4−9 g(x)=x^3+9
asked by Randy 
math
What is (fg)(x)? f(x)=3x^5+6x^25 g(x)=2x^4+7x^2x+16
asked by Randy 
chemistry
list and state the uses of the products obtained from the destructive distillation of coal
asked by bolaji 
Orbital mechanics
What is the approximate Delta V to take a body from an apogee of 43,000km to 66,000km. Assume a separated mass of 4850 kg.
asked by Jim 
Chemistry
A student prepared 200mL of 0.01M solution of calcium phosphate, Can(PO4)2. What is the concentration of calcium in parts per million? Relative atomic masses Can =40, P =31, O =16
asked by Sylvia 
algebra
Given: ab/cd = 2 and ac/bd= 3 Given that a,b,c and d are real numbers, find the value of ad/bc...
asked by unowen 
Literature
Which of the following is NOT one of the themes of the play? (Romeo and Juliet) a. Good intentions always yield good results*** b. Tragedy causes everyone involved to look intently at themselves c. True love requires risk
asked by Anonymous 
Algebra 1
Shelly hopped onto her bicycle and pedaled to the park at 14 miles per hour. Then she whizzed back at 20 miles per hour. If the total trip took 3 2/5 hours how far was it to the park?
asked by Kinda Dorky 
linear systems
This system has one solution. y=8x−14 y=x^2+4x−10 What is the ycoordinate of the solution?
asked by Monika 
Algebra
What are the domain and range of the function? f(x)=^3√(x−3) Domain: (−∞,∞) Range: (−∞,∞) Domain: [3,∞) Range: [0,∞) Domain: [0,∞) Range: [3,∞) Domain: [3,∞) Range: (−∞,∞)
asked by Kevin