Questions Asked on
March 28, 2018

Science
explain why the upper skin of a leaf is transparent
asked by Noor 
Chemistry
Constants The following values may be useful when solving this tutorial. Constant Value E∘Cu 0.337 V E∘Fe 0.440 V R 8.314 J⋅mol−1⋅K−1 F 96,485 C/mol T 298 K Part A In the activity, click on the E∘cell and Keq quantities to observe how they
asked by Jasper 
cc
A pump fills a pool at a rate of 20 cubic meters per hour. If each cubic meter of water is valued at $10, how many minutes will the pump need to work to transfer $300 worth of water?
asked by Anonymous 
Language arts
1.Which of the following should be included in your research presentation? Select all that apply (2 answers) ***A.a broad topic **B.details and examples from a variety of sources C.a works cited list D.data from an atlas E.an outline 2.which of the
asked by Alan 
math
The cookie dough used by a bakery to make 2ounce cookies contains an average of 32 raisins per pound of dough. the bakery sells cookies in bags of a dozen. suppose that customers complain if one or more of the cookies in a bag contains no raisins. over
asked by Andrea 
history
What impact did the Napoleonic Wars have on popular culture? The magnitude of Napoleon’s war on Europe led to the destruction of important museums and art galleries throughout the continent. As one of the most significant events of the 19th century, the
asked by Bri 
Math
A 2.05m man, standing in front of a street light 3.08m high, casts a 1.5m shadow. What is the angle of elevation from the ground to the source of light?
asked by Xing 
math
1)what is the smallest integer greater than 1 that leaves a remainder of 1 when divided by any of the integers 8,9, and 10? 2) The square root of the difference of (B^2 /16) and (b^2/25) 3) Mr. Baker is 30 years old when his son is 4 years old. In how many
asked by Jessica 
Language arts
Think about King Azaz and the Mathemagician at the end of Act 2 of the phantom tollbooth. What is true about both kings at the end of the play?
asked by Anonymous 
PHYSICS
A long solenoid that has 1200 turns uniformly distributed over a length of 0.37 m is required to produce a magnetic field of magnitude 0.02mT at its center. what voltage should be applied across the solenoid if it has a resistance of 20ohms? can someone
asked by Sasha 
Chemistry
A solution contains 1.4 * 10^−5 mol of KBr and 0.14 mol of KCl per liter. AgNO3 is gradually added to this solution. Which forms first, solid AgBr or solid AgCl? Or do they coprecipitate?
asked by Anon 
SOCIAL STUDIES
How did the end of the Cold War contribute to the Clintonera economic boom? A.)People were no longer afraid and were willing to spend more money on luxury goods B.)Americans welcomed people from the former soviet Union into the U.S job market C.)Costly
asked by Castiel 
english
In “who knows if the moon’s,” what is the moon seen as? a city a balloon a cloud a sailboat
asked by Linda 
math
A taxi cab company charges $8.00 per ride plus $0.75 for each mile driven. Which equation models the total cost (c), in dollars, of a taxi cab ride, where m is the number of miles driven?
asked by shakerria 
Algebra 1
A train went 210 miles further than a bus. The train went four times further than the bus. how far did each vehicle travel?
asked by John 
precalc
A parallelogram has sides of 15 and 24 feet and an angle of 40 degrees .Find the diagonals. I used law of cosines and found 1 of the diagonals to be 15.79 feet but what is the other? or are they the same?
asked by Anonymous 
Science
A species of rabbit lives in a meadow where grass plants are readily available during summer months. The rabbits do not stray far from the meadow because the plants supply food and protection from predators. One summer, a fire destroys the plants in the
asked by Lola 
Science
A farmer had an accident and spilled a chemical into his pond. Several days later, he notices many dead frogs around the pond. That summer, the number of gnats around the pond was higher than ever. This is because A) the chemical is good for the gnats. B)
asked by Clementine 
Physics
A beam of singly ionized carbon atoms (C12, C13, and C14 isotopes) is injected into a mass spectrometer, which isotopes would follow the trajectory of greatest diameter and strike the detection plate furthest? I know the answer is C14, but why? can
asked by ricky 
prealgrbra
The following table represents the total cost, in dollars (y) to join a gym for x number of months. The cost includes a onetime joining fee of 10$. Does the data in the table represent a proportional relationship or a nonproportional relationship? how do
asked by HI123 
math
Carla the baker worked four hours to make cookies. She ended with 380 cookies altogether. Write an equation to express how many cookies Carla made each hour.
asked by Andrea 
PHYSICS
The output voltage of AC source is V(t) = (25V)sin(5πt). what is the rms value of the voltage? answer: 18V, but how???
asked by Sasha 
math
State and prove the Pythagorean Theorem.
asked by Andrea 
Science
In the new six kingdom system of classification, the six kingdoms may be grouped into three domains. The four kingdoms that are grouped in the domain Eukarya all contain organisms A) are consumers. B) are multicellular. C) that have cell walls made of
asked by Laura 
Science
Which is the harmful green house gas?Carbon monoxide or Carbon dioxide
asked by Ena 
English
My apple trees will never get across. Which figure of speech is this??
asked by Jean 
Science
Which of these would increase the rate of photosynthesis and lead to the production of more glucose? A) increase in available sunlight and available carbon dioxide B) decrease in available sunlight and available carbon dioxide C) increase in available
asked by Gizmo 
Math
What is 6 2/3 ×5
asked by Sophia:) 
Math
There are 4 aces and 4 kings in a standard deck of 52 cards. You pick one card at random. What is the probability of selecting an ace or a king? Explain your reasoning. I am a bit confused on this one. Please help.
asked by Patrick 
Science
In the chart, the organism Rr represents a genetically _____________ individual. A) heterozygous B) homogeneous C) homozygous D) retrozygous a or c?
asked by Mathew 
Science
In rabbits, B represents the allele for black coat and b represents the allele for white coat. Black is dominant over white. If a rabbit has the genotype Bb, what is the rabbit's phenotype? A) gray B) black C) white D) BB X bb d?
asked by Mathew 
Math
For breakfast, Clarissa can choose from oatmeal, cereal, French toast or scrambled eggs. She thinks that if she selects a breakfast at random it is likely that it will be oatmeal. Is the correct? Explain your reasoning. I am not sure on the above at all.
asked by Patrick 
Physics
The switch in the circuit shown in the figure below is closed, and the lightbulb glows steadily. The inductor is a simple aircore solenoid. An iron rod is inserted into the interior of the solenoid, increasing the magnitude of the magnetic field in the
asked by ricky 
math statistics
A machine has 9 identical components that function independently. The probability that a component will fail is 0.2. The machine will stop working if 1 or 2 components fail. Find the probability that the machine will be fail?
asked by ANOMY 
Science
Which is the SIMPLEST level of organization in a human being? A) cells B) organs C) tissues D) organ systems C?
asked by Lola 
Science
We think of our muscular system as the system that helps us move around. It also functions on an internal level by helping food movement in the ___________ and ____________, both parts of the digestive system. A) stomach; liver B) stomach; pancreas C)
asked by Carol 
Math
If P(x) is a cubic polynomial with P(1)=1, P(2)=2, P(3)=3, P(4)=5, find P(6).
asked by bryan 
Social studies
Economic centers of the Northeast are the regions
asked by Bambi 
Physics
A tennis player hits a tennis ball (m = 0.0550 kg) with a force of 32.2 N over a time interval of 0.22 s. If the ball as a velocity of 42.2 m/s before being hit and 87.8 m/s after being hit, how much work did the tennis player do?
asked by Kevin 
Math
barbara can walk 3200 meters in 24 minutes.Mavis can walk 11,808 feet in 24 minutes.Who walks at a faster rate of speed?Explain the steps you take to solve the problem.
asked by Mina 
Calculus 2
Use the formula for the sum of a geometric series to ﬁnd the sum or state that the series diverges. (4/9)^n starting at n=4
asked by RaShawnya 
math
Wallace has a $500 budget for a pizza party. Pizzas cost $12 each. He will also purchase drinks for $30, paper plates for $15 and napkins for $6. Write and solve an inequality that shows how many pizzas Wallace can purchase.
asked by kaif 
Conditional Probability.
If Group A has 1/100 items defective, and Group B has 1/200 items defective. What is the probability the second item inspected works given that the first one inspected also worked?
asked by Lola 
social studies
Please explain how members of the Reagan administration acted illegally to sell arms to Iran and aid the Contras in Nicaragua. In a small paragraph, please give reasons for and against these actions, and evaluate their impact.
asked by Erica McDonnell 
Chemistry  Solubility Equilibria
If the solubility of CaCO_3 in water at 25°C is 5.84 ✕ 10^−3 g/L, calculate the solubilityproduct constant (Ksp) of CaCO_3, assuming complete dissociation of the CaCO_3 that has dissolved.
asked by Jamie 
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. Penny, large marble, basketball, and hula
asked by Joe 
Algebra 1
2 jets leave airport at 3pm, one traveling east other west. The westbound jet averages 625km/h and the eastbound jet 825 km/h. At what time will the jets be 725 apart?
asked by John 
history
What was the aim of the Reign of terror
asked by princess 
social diversity
I have to present to my social diversity class tomorrow. The section in the textbook the teacher gave me is on The Justified Elite. She doesn't want me to read straight from the book, but to present the material in a creative way, such as a poem, etc. I
asked by Lisa 
English
An idiom is an accepted phrase or expression that does not mean literally what it says. She "threw cold water on" the project. "Throw cold water on" is an idiom meaning "discourage" or "kill enthusiasm for." Type the letter of the idiom that is built on
asked by cristalL 
Math 6th Grade
A deepsea diver must descend and ascend in short steps to equalize pressure on his body. If the diver rises toward the surface too fast, he may suffer from a physical condition called "the bends". Suppose the diver started at 82 feet below the surface and
asked by JULie 
Science
Why the base of the spark plug of petrol engine is made of ceramics,give scientific reason??
asked by Ena 
Chemistry  stoichiometry
How many grams of silver chloride can be produced if you start with 4.62 grams of barium chloride ? 2AgNO3 + BaCl2 —> 2AgCl + Ba(NO3)
asked by Tyler 
Science
The inheritance of genetic traits from parents to children follows predictable rules. Knowing that each parent contributes genes equally to each child, what determines an inherited trait such as eye color? A) Only the interaction between dominant genes. B)
asked by Jordan 
science
How does radiation from the Sun affect Earth’s atmosphere?
asked by T 
Chemistry  stoichiometry
How many grams of silver chloride can be produced if you start with 4.62 grams of barium chloride ? 2AgNO3 + BaCl2 —> 2AgCl + Ba(NO3)
asked by Tyler 
Chemistry  stoichiometry
How many grams of silver chloride can be produced if you start with 4.62 grams of barium chloride ? 2AgNO3 + BaCl2 —> 2AgCl + Ba(NO3)
asked by Tyler 
science
How is heat transferred throughout the globe?
asked by T 
Physics  please help!
I don't understand how to answer this problem or even which equation to insert it into: "A Dancer leaps across the stage in a beautiful grand jete. The ballerina leaps at an angle of 45° and is able to jump a horizontal distance of 1.5m in 0.547s. What is
asked by Mariam 
Math HELP please!!!
An investment account earns 4% per year compounded annually. If the initial investment was $4,000.00, how much is in the account after 3 years? Round your answer to the nearest dollar. Can someone help please?
asked by that emo girl! 
Science
A particular bird species found in North America obtains most of its food energy by catching and eating insects. A mutation arises in this bird population that increases the length of its beak. Although many mutations are harmful, this particular mutation
asked by Hannah 
College Algebra
A rectangular garden plot is to be enclosed with a fence on three of its sides and a brick wall on the fourth side. If 100 feet of fencing material is available, what dimensions will yield the maximum area? (Hint: if two of the sides are labeled w, what
asked by Dillon 
Chemistry
For a 1.23/1 ratio of acid to base, how do you calculate the amount of a .2M base to add to 150ml of a .150M acid?
asked by Ab 
language arts
1 Under a spreading chestnut tree 2 The village smithy stands; 3 The smith, a mighty man is he, 4 With large and sinewy hands; 5 And the muscles of his brawny arms 6 Are strong as iron bands. 7 His hair is crisp, and black, and long, 8 His face is like the
asked by kid 
Chemistry
What are the the sources of the stored and activation energies in gasoline? It starts with sunlight then plants but what is next?
asked by Anonymous 
calculus
The equation x^2+4y^2=100 describes an ellipse. First, use implicit differentiation to find its slope at the points (8,3) and (8, 3). Then, solve the equation for y, obtaining two functions and differentiate both to find the slopes at x = 8. Do your
asked by aj 
calculus
The equation x^2+4y^2=100 describes an ellipse. First, use implicit differentiation to find its slope at the points (8,3) and (8, 3). Then, solve the equation for y, obtaining two functions and differentiate both to find the slopes at x = 8. Do your
asked by Anonymous 
Math
Hello I hope that you are having great evening. I do need a bit of help on the below math problem please. There are 12 pieces of fruit in a bowl. Seven of the pieces are apples and two are peaches. What is the probability that a randomly selected piece of
asked by Patrick 
SOCIAL STUDIES
Why did nuclear arms remain a threat after the Cold War? A.)Israel, India, and Pakistan refused to reduce their stocks of nuclear weapons. B.)The old Soviet Union was unwilling to sign START, the armsreduction treaty. C.)The United States had shared too
asked by Castiel 
SOCIAL STUDIES
Compare the U.S response to Soviet actions in Afghanistan with the U.S response to Soviet actions in Poland. A.)The United States condemned Soviet policy towards both countries B.)The United States adopted a policy of detente in both countries C.)The
asked by Castiel 
Economics
Banks create money whenever they: A: accept a deposit. B: receive monthly payments on their loans. C: receive interest on existing loans. D: lend excess reserves to a borrower.
asked by John 
Math
Paul saves $60 every month.This is 15$ of his salary. Calculate Paul's full salary.
asked by Cath 
Math
A researcher's garden contains 90 sweet pea plants, which have either white or purple flowers. About 70 of the plants have purple flowers and about 20 have white flowers. Would you expect that one plant randomly selected from the garden will have purple or
asked by Patrick 
Math
The power goes out as Sandra is trying to get dressed. If she has 4 white tshirts and 10 colored tshirts in her drawer, is it likely that she will pick a colored tshirt in the dark? What is the probability that she will pick a colored tshirt? Explain
asked by Patrick 
Math
James counts the hair colors of the 22 people in his class including himself. He finds that there are 4 people with blonde hair, 8 people with brown hair, and 10 people with black hair. What is the probability that a randomly chosen student in the class
asked by Patrick 
Math
A bag contains 8 blue coins and 6 red coins. A coin is removed at random and replaced by three of the other color. a. What is the probability that the removed coin is blue? b. If the coin removed is blue, what is the probability of drawing a red coin after
asked by Patrick 
Science
Some amount of water is evaporated from a 2.0 L, 0.2 M NaI solution, to from a 1.0 L solution. The molar mass of NaI is 150 g/mol. What is the final concentration of NaI solution in? A. 30 g/L B. 15 g/L C. 60 g/L D. 45 g/L
asked by Michael 
World War I
as a result of ww1, which area saw the greatest improvment? a)industry b)education c)the economy d)the military
asked by Saide 
fine art
There was a wide range of influences that affected the art of the emerging modern Europe. Explain how five of these influences had an impact on the art of the Italian Renaissance, and explain five influences that had an impact on art of the Rococo period.
asked by huncho jack 
Science (Someone please check my answers)
I've been waiting all day so can someone please check my answers. Key: *** means my answer 1. If the net force on an object is 0 N, the forces are considered unbalanced. (1 Point) True False*** 2. Most people in the United States use feet and miles to
asked by Beyblade Burst is Awesome 
math
If (4,2) and (2,6) are opposite points on a circle, what is the equation of the circle?
asked by Andrea 
physics
The illustration for this problem is at ds055uzetaobbcloudfrontnet/image_optimizer/142fdba0bc53bb9ae12ecea6de058f57fef01274.png A rope of length 90cm lies in a straight line on a frictionless table, except for a very small piece at one end which hangs down
asked by unowen 
math/combination probability
what is the probability of getting all questions right on a 15 question, 3 multiple choice (each) with just guessing? i did 15 C 3 and got 1/455
asked by jake