Questions Asked on
April 1, 2020

Maths
divide 405 in the ratio 3:12 give your final answer in the form ... and ...
asked by Jacob 
trigonometry
Find all solutions 4sin^(2)x  4sin(x) + 1 = 0
asked by rainbow 
math
If p varies inversely with q, and p=2 when q=1, find the equation that relates p and q.
asked by jhhioh 
Math
In a farm, on average every 6 cows produce 108 litres of milk per week. In five weeks the cows produced 2160 litres of milk. How many cows are in the farm?
asked by Kd 
Maths
Helen has some black tiles, some white tiles and some grey tiles. She places a single row of 8 tiles above her washbasin. Each tile she places is equally likely to be black, white or grey. Find the probability that there are no tiles of the same color next
asked by Raj 
physics
a pedestrian is running at his maximum speed of 6.0 m/s trying to catch a bus that is stopped at a traffic light. when he is 16m from the bus, the light changes and the bus pulls away from the pedestrian with an acceleration of 1.0 m/s^2. does the
asked by jayven march 
Math
(8x2y)+(3x4y) Can you simplify this?!
asked by BeautifulWhitePrincess2004 
Chemistry
Please help! The vapor pressure of water at 35 oC is 42.175 mm Hg. The vapor pressure of ethyl alcohol (C2H5OH) at 35 C is 100.5 mm Hg. What is the vapor pressure of a solution prepared by dissolving 250 g of C2H5OH in 375 g of H2O? The answer is
asked by Ella 
PreCalculus
If sinA=3/5 when pi/2 < A < pi and cosB=5/13 when 3pi/2 < B < 2pi, find the exact value of the function cos(5pi/6+B).
asked by Serein 
algebra
9. Determine if the set of ordered pairs represents a function. Explain why or why not. (2 points) {(4,4),(2,2),(0,0),(3,2)} I personally think that there is a function but idk for sure.
asked by Boy 
English
This article is Legend of Oedipus by Commonlit Staff One question asked me what the theme of The Legend of Oedipus I said free will and fate part B is asking for a quote the choices are A. “Many years later, Oedipus is told by a drunk that Polybus is not
asked by HAHAHA 
Math
The speed of light in a vacuum is 299 792 458 m/s what is this written in scientific notation
asked by Anonymous 
Geography
Why is the battle of midway considered a turning point in word war 2
asked by Amy 
chemistry
Which of the following is true? A. HF does not ionize in water to any extent. B. All are true C. HF ionizes equally in a solution of KCl as in pure water. D. HF ionizes more in a solution of NaF than in pure water.
asked by X 
Biology
Two heterozygous purplestemmed plants are grown. Each parent has the genotype ANL/anl. Pollen from one of the plants is used to pollinate the other, and the resulting seeds are harvested. What traits would you expect in the plants grown from these seeds?
asked by Help 
science
Suppose that the local temperature changes in favor of greater oxygen levels in the water. Write a short paragraph to describe how both the population of the small fish species and the wading bird population would change in response to the new oxygen
asked by hehehe 
Geometry
a wooden pyramid is to be cut into.parts of equal weights by a plane parallel to its base. find the ratio of the heights of the two parts
asked by Jay 
english
Why is it important to find thorough evidence for inferred meaning in an informational text? to make sure that the evidence directly relates to the inference to check that the author did not include the explicit meaning to ensure that all parts of the
asked by annie 
Forensic Science
You are on the steep edge of the Grand Canyon, which is miles deep. You fire an arrow at an 89degree angle towards the canyon (nearly straight up, with no hope of reaching the other side) Describe the arrow’s trajectory, in particular noting
asked by Anonymous 
Math
A map uses the scale 1.5 cm = 25 mi. Two cities are 190 miles apart. How far apart are the cities on the map? A. 0.21 cm B. 11.4 cm C. 2,917 cm D. 6,563 cm
asked by Peridot 5XG 
Physics
It takes 3.78 J of work to stretch a Hooke’slaw spring 14.2 cm from its unstressed length. How much the extra work is required to stretch it an additional 11.2 cm? Answer in units of J.
asked by Maddy 
Physical science
The gases in air dissolve in water. What would be one way to reduce the amount of a gas dissolved in water? A. add more water B. reduce the air pressure C. increase the air pressure** D. stir the water
asked by Sophia 
Geometry
A wooden pyramid is to be cut into 2 parts of equal weights by a plane parallel to its base. Find the ratio of the heights of the two parts.
asked by Jay 
Statistics
In the Dominican Republic in August, the distribution of daily high temperature is approximately normal with mean 86 degrees Fahrenheit (°F). Approximately 95% of all daily high temperatures are between 83°F and 89°F. What is the standard deviation of
asked by Madi 
English
Sentence: Meanwhile, a messenger reveals that Oedipus was, in fact, adopted. Jocasta, finally realizing Oedipus’ true identity, entreats him to abandon his search for Laius’ murderer. PART A: What does the word “entreat” most closely mean as it is
asked by Much too say 
Math
I got this question`and I need help. The product of a 3 digit number and a 1 digit number is 3714. What is the 3 digit number?
asked by CheerGirl 
Math
Harley bought a one year $1000 treasury bond. He paid $950 for the treasury bond. What is his rate of return? 0.053% 5% 5.3% 53%
asked by EMERSON 
Math
A triangle has an area of 9 square feet. The height is 6 feet. What is the length of the base?
asked by Luis 
chemistry
You're tasked with helping the world record holder for PIZZA eating. He complains of indigestion. What would you suggest that he does to the Alka Seltzer to find instant relief? Using what you know about increasing the rate of the reaction (making the
asked by Jim 
Math
The drawing is composed of a rectangle and a semicircle and a semi circle. Find the area of the figure to the nearest unit (Top of figure 10cm and the side is 16cm) A. 160 B.260 C. 540 D. 580
asked by Danii 
Social studies
Which statement best explains why rising sea levels are a serious problem for Pacific islands? A. Tourists do not want to visit islands with coastal erosion. B. Some islands are at risk of disappearing completely. C. The higher temperatures associated with
asked by O>O 
Math
Six people working for 5 days were paid a total of sh 6000. How much more money could the same number of people be paid for 12 days?
asked by King 
chemistry
Calculate the moles of NH3 produced when 0.75 moles of N2 react.
asked by Kief viam 
Chemistry
How do I obtain a sample of solid sugar in a mixture?
asked by Eliud 
Careers
What Kind of career path can i take with this subject after high school
asked by Anonymous 
PHYSICS
A train 100 m long is to cross a river bridge of length 800m. What time will it take to cross the bridge? Given the train moves with a constant speed of 36m/s.
asked by PRACHI 
Maths
adam's small business made $500 this week. He spends $210 on food a d bills. Later he puts 5/6 of the remaining money into the business account and keep 1/4 for himself. He was then paid $50 by a customer for a previous debt. How much money does he have
asked by Lewis 
Chemistry
What is the percent dissociation of ascorbic acid if the solution has a pH = 5.50 and a pKa= 4.10? The answer is 96% but I keep getting 1500%
asked by Brittany Spears 
Math
Express 5x³+9x²–8x–11 in the form (x–1)(x+2)Q(x) + rx + s, find the values of r and s.
asked by Feta 
Physics
A voltage of resistance 500ohms calibrated read 1ohm per division. If the instrument is required to read 10ohm per scale division, what series resistance must be connected to it
asked by Chiagoziem 
maths
Adam's small business made $500 this week. He spends $210 on food and bills. Later he puts 5/6 of the remaining money into the business account and keep 1/4 for himself. He was then paid $50 by a customer for a previous debt. How much money does he have
asked by Lewi 
Science
Which of the following is a key abiotic factor in rivers A: number of fish B: the amount of salt C: how animals adapt D: speed of water
asked by Jamie 
Maths
A girl buy x pencils at $6 each and y pencils at $9 each if she spends $105, 1. Write down an equation to represent the information
asked by Kimoya 
civics
limitations of human rights
asked by Anonymous 
Biology
Is there really such thing as male and female cells? I'm pretty interested in the human body (not in a weird way) and would like to be a doctor when i grow up. So i would like to know more about the body. (i'm not 100% sure if this counts as a HOMEWORK
asked by doge master 
Science
what is the process of producing more offspring than can possibly survive called?
asked by Ashley 
Science
I am confused as to what the order: gametes, sporophyte, gametophyte, zygote and spores goes in like which comes first last could someone help me understand this more?
asked by Plz 
Math
there were 35 student in gym class.if they were separated in to teams of 7, how many people would be on each team. what is the number model you used to sove this? please use a drawing to show your work.[4oa2]
asked by dj 
Science
2C8H18(ℓ) + 17O2(g) ⇌ 16CO(g) + 18H2O(ℓ) ΔH < 0 What is the activation energy for the forward reaction?(4)
asked by NTHABI 
English
What is the analogy for "O captain, My captain"
asked by 3rfweaf 
Calculus 1
A 440unit hotel is trying to determine their daily rates. From experience, the hotel manager knows that all rooms are typically occupied when the daily room rate is $92. Market research indicates that for every increase of x dollars in the daily room
asked by Peopsh8 
Social Studies
Which of the following best describes the effect globalization has had on some American and Canadian workers?
asked by Corgi lover 
Spelling
Storm is to weather as outgoing is to
asked by Summ 
Math
Determine the area of the following shape: 4x+8 ⬜ 2 That is a rectangle 4x+8 is on the top and 2 is on the right side. Please help
asked by help 
Science
I am confused as to what I order gametes, sporophyte, gametophyte, zygote and spores goes I. Could someone help me understand more?
asked by Plz 
Arithmetic
Sandy bought 630 crayons that came in packs of 15 how many packs of crayons did sandy buy
asked by Richecade 
math
what is the product of 10 and 9√24 in simplest form
asked by McKayla 
Math
2. Barry asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many of the 1,200 students in the school most likely prefer chocolate ice
asked by Jonas Hernandez 
Geometry
Write the standard equation of a circle with the center at (6,8) that passes through the point (1,4)
asked by Anonymous 
math
Three cards are drawn at random without replacement from a standard deck of 52 playing cards. Find the probability that the second card is a spade, given that the first card was black.
asked by Heather 
Social Studies
Which of the following American Indian culture groups was most likely to use canoes?
asked by Corgi lover 
math
Given that a^b=x evaluate the following: a^(b+2)
asked by fried_shrimp 
math
A red light flashes every 2 minutes and a blue light flashes every 3.5 minutes. Suppose both lights flash together at noon. What is the first time after 1 p.m. that both lights will flash together?
asked by tyler 
chemistry
2KClO3 → 2KCl + 3O2 How many moles of oxygen are produced if 4 moles of potassium chlorate decomposes? 4?
asked by bella 
math
454.4 rounded to the nearest gram
asked by olivia 
calculus
Find the function f(x) described by the given initial value problem. f′(x)=6x,f(1)=0 6^x dx = 1/ln(6) * 6^x + C
asked by Ann 
English
Which form of poetry best describes this poem. A. limerick B. lyric poem C. haiku D. free verse The poem is called The Tide Rises, the Tide Falls by Henry Wadsworth Longfellow. 1 The tide rises, the tide falls 2 The twilight darkens, the curlew calls; 3
asked by Lexi 
Geography
How early New Guineans different from Australia’s first people? A. They were among the first people to discover farming B. They lived by hunting,fishing, and gathering ~~ C.They were divided into hundreds of distinct ethnic groups D. They migrated to the
asked by Jade 
Chemistry
if 460cm³ of sulphur(iv) oxide, can diffuse through porous partotion in 30seconds, how long will (a) an equal volume
asked by Jamaheel 
science
what is biological classification
asked by Anonymous 
Math
{3x2y=10 {1.5x+y=5 these are part of the same question i was wondering how the heck i solve this i have been stuck on this for hours and keeping getting dead ends and i cant you a graph.
asked by 3rfweaf 
chemistry
write a skeleton equation for aluminum(s)+iodine(s) >aluminum iodide(s)
asked by michelle 
Algebra
Which number is a solution of inequality 10
asked by dlg04 
calculus
Consider the function f(x)=x^4+2sqrt x. Let F(x) be the antiderivative of f(x) with F(1)=9. Then F(x)= ?
asked by Ann 
Math
4,989 rounded to the nearest gram
asked by Gracie 
Algebra
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.04x2+ 8.3x + 4.3, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters,
asked by Fiddle sticks! 
English
What is the best way to combine the following sentences using a participial phrase? The crowd encouraged the team. The team scored 10 points A. The crowd encouraged the team to score 10 points. B. When the crowd encouraged the team, they scored 10 points.
asked by BeautifulWhitePrincess2004 
English
Which of the following sentences contain an infinitive phrase? A. We hope to visit the poet's birthplace. B. Eduardo recited the lines to me. C. To Jenny, the Poem sounded false. D. The writer paid tribute to his parents.
asked by BeautifulWhitePrincess2004 
calculus1
A baseball team plays in a stadium that holds 68000 spectators. With the ticket price at $8 the average attendence has been 29000. When the price dropped to $5, the average attendence rose to 34000. Assume that attendence is linearly related to ticket
asked by peopsh8 
Math
The angle measures of a triangle are 2x+5 degrees, 6x5 degrees, and 7x degrees. What is the value of x? X=10. X=12. X=15. X=29.
asked by Miranda 
Science
Is it true that Sounds are transmitted through waves?
asked by Sister Mark 
PreCalculus
Hello, I need a bit of help with the following problem: If sinA=3/5 when pi/2 < A < pi and cosB=5/13 when 3pi/2 < B < 2pi, find the exact value of the following equations: cotB = sin2A = tan(Api/4)=
asked by Yina Lee 
math
write a measurement division story problem for 5\12 divided by 1\6
asked by niya 
Math
A bag of flour weighs 2.5 kilograms. If 1 bag makes 5 loaves of bread, how many grams of flour are needed for each loaf? A .5 grams B 5 grams C50 grams D500 grams
asked by Me 
math
the área of a playground is 140 square yards. the width of the playground is (x+4) yards and the length is (x) yards. write an equation to represent the area of the playground. The length of the playground is _____ and the width is _____.
asked by hay 
Physics
In an arcade game a 0.117 kg disk is shot across a frictionless horizontal surface by compressing it against a spring and releasing it. If the spring has a spring constant of 229 N/m and is compressed from its equilibrium position by 5 cm, find the speed
asked by Maddy 
Math
What are the mean, median, mode and range of the data set given the altitude of lakes in feet: 12, 9, 14, 39, 49, 49, 18, and 43?
asked by Rosi 
Physics C
A charged sphere with an initial speed v0 has a final speed 2v0 when accelerated through a potential difference ΔV0 . What potential difference is needed to accelerate the same charged sphere from an initial speed 2v0 to a final speed 4v0 ?
asked by Amber 
Science
I can't find this anywhere and I just have one question well actually two. Important question: what have engineers found out about the topic of robots picking up trash? Non Important(Still answer tho if you can) Where did ms. sue go?
asked by Lucy 
Physics
An archer shoots at an angle of 11 degrees from the horizontal at an initial speed of 31.8m/s. Ignoring air resistance, determine a) the time it will take for the arrow to strike the ground b) the range of the arrow
asked by Zoe 
physics
the symbol for acceleration is a and the symbol for time is t if a = 23t^2 and t is ≥ 0, then what is t?
asked by Zoe 
pre calculus
a certain radioactive element has a half life of 31.2 years. in how many years will contamination reach 32% of the original contamination?
asked by Deven 
physics
a plane travelling north has a landing speed of 75.6m/s. after touch down it has 787m long runway to reduce its speed to 15.9m/s. calculate average acceleration of the plane during landing taking the direction of the plane travels as positive
asked by Xa 
PreCalculus
Hi, I need a bit of help with verifying identities. The problems are as follows: sinx+cosx/cotx+1=sinx sin2x/sin  cos2x/cosx=secx 1tan^2θ/1+tan^2θ=cos2θ
asked by Retrograde 
precalculus
Suppose that f is a Mobius transformation such that f(1)=i, f(i)=1, and f(1)=1. Find the value of f(i).
asked by Jakob 
chem
What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 °C and 4.17 atm. The mole fraction of CO2 in air is 3.01×104. The Henry's law constant for carbon dioxide is 4.48×105 M/mmHg.
asked by lacy 
Social Studies
Drag each government power to the correct branch of Roman government. enforced the law controlled foreign policy passed the laws elected magistrates Boxes + awnsers: Assemblies: elected magistrates Senate: passed the laws Magistrates: enforced the law
asked by ... 
pre calculus
the population of a city is given by 3000e^(kt), where t = 0 corresponds to the year 1960. in 1950 the population was 2400. Find k to the thousandth place, and predict the population in 2015.
asked by Deven 
Math
got an odd one a person is being chased by a wombat is running in a straight line towards a tree at a speed of 5.04m/s where the tree is (d) distance away from the person The wombat is 29.3 m behind the person running at a speed of 9.21m/s If the person is
asked by Matt 
precalculus
The Mobius transformation T(z)=(az+b)/(z1) maps unit circle onto the line Re(z)=3 in such a way that the interior of the circle is mapped to the left of the line and that the origin gets mapped to 2+i. Find a.
asked by Rohit 
Physics
A(n) 19 g object moving to the right at 39 cm/s overtakes and collides elastically with a 36 g object moving in the same direction at 19 cm/s. Find the velocity of the slower object after the collision. Answer in units of cm/s.
asked by Todoroki 
Math
The scale of a building plan is 1:200. What length, in cm, on the plan represents 5 meters of the building?
asked by Kd 
Ethics
Respond to the following as utilitarian ethicists: How shall we reason through to the decision of the law enforcement authorities at the 1972 Munich Olympics? How are we to balance protecting people versus allowing people to participate in and enjoy an
asked by Marie 
english
which form of discrimination is worse race or class?
asked by sienna 
Math
John was shopping for tiles for a land 250 square meters large. If each tile is $47, how much will John spend to cover the whole area with tiles? Show your working out.
asked by Saraj