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Devon

Questions and answers by Devon

Questions (131)

A projectile is fired with an initial velocity of 350 feet per second at an angle of 45° with the horizontal. To the nearest
1. 3 answers
2. 2,812 views
what are ten facts about lava flow?p.s:if possible,can i have the answer mailed back before tuesday.. Thanks in Advance!!! Here
1. 1 answer
2. 528 views
What is the general trend in atomic size within a group?within a period?within a period...it decreases In a group..it increases
1. 1 answer
2. 514 views
A=1/2h(b+c)h=8=5 and c=2. What is the value of A What do you mean by h=8=5?? Given the formula A=1/2h(B+C) If H=8, B=5, And C=2,
1. 1 answer
2. 372 views
i just read in the Editorial Section of the New York Times about Uinted States Losing the Good War.. You know where i can find
1. 1 answer
2. 501 views
How can a flow chart help you to name chemical compounds?Some people like to memorize rules and use the analysis of compounds
1. 1 answer
2. 740 views
How many electrons can occupy a single molecular orbital?and Alumimum is a group 3A metal, Which ion does A1 typically form? I'm
1. 3 answers
2. 784 views
Hydrogen boils at 20K. What is the boiling point of hydrogen on the Celsius scale?K is 273.15 degrees plus the celsius. so take
1. 2 answers
2. 1,702 views
What is the determinant of -2 -35 0 15 How you get 15 Use the definition of a determinant. From the first column you take take
1. 1 answer
2. 872 views
How do i balance this equation?Al+N2---->AlN 2Al + N2 ----> 2AlN
1. 1 answer
2. 629 views
What is a good conflict resolution technique for employees?Talk together. Work it out. Compromise. If you cannot do this,
1. 1 answer
2. 1,256 views
find the exact solutions (è in degrees)sin^2è+2cosè=-2 change the sin^2 to 1-cos^2, then rearrage the equation into quadratic
1. 1 answer
2. 490 views
find the exact solutions (¦È in degrees)sin^2¦È+2cos¦È=-2 range= 0¡Ü¦È<360¡ã see the other problem, same procedure.
1. 1 answer
2. 531 views
find the exact solutions2cos^2x+3sinx=0 the way it stands, that is a "nasty" question. Are you sure the second term isn't
1. 1 answer
2. 516 views
it says solve for all real solutions, compute inverse functions to 4 sigfigs.cos^2x=3-5cosx Devon, what grade level are these
1. 1 answer
2. 983 views
it says to verify the following identity, working only on one side:cotx+tanx=cscx*secx Work the left side. cot x + tan x = cos
1. 1 answer
2. 642 views
gahh i cant figure this one out either. you have you verify the identity only using one side of the equation:sec^2x*sin^2x+sec^2
1. 1 answer
2. 483 views
I have to write a page on my take about Oprah Winfrey speech at Howard university.Where can i find a transcript of her speech at
1. 2 answers
2. 531 views
thank you!What is the molar concentration of hydroxide ions in a solution with a pH of 6? Find the concentration of H ions
1. 1 answer
2. 1,082 views
Why do you suppose AIDS has infected people across the entire planet, and Ebola "retreats"?
1. 1 answer
2. 375 views
Standard Normanl Drill:A. Find the number z such that the proportion of observations that are less than z in a standard Normal
1. 5 answers
2. 8,268 views
A study to determine whether or not a football filled with helium traveled farther when kicked than one filled with air found
1. 4 answers
2. 1,968 views
i don't really know how to go about anwsering this problem:the weight of the eggs produced by a certain breed of hen is Normally
1. 7 answers
2. 2,050 views
In my tenth-grade-level physical science class, we're studying heat, and I completely don't get it. I'll read the definition for
1. 1 answer
2. 1,225 views
How do i find the valence electron for Chlorine.
1. 3 answers
2. 419 views
sketch the graph y=abs(x)+2then sketch over the y=x line.
1. 3 answers
2. 378 views
simplify:(x^-2 - y^-2) / (x^-1 - y^-1) i know you have to get rid of the negative powers, but i cant figure out how, any help?
1. 5 answers
2. 386 views
A person must decide whether or not to proceed with a particular investment project. If the project succeeds, She will gain $15
1. 2 answers
2. 681 views
A ship travels 200km west from port and then 240km due south before it is disabled. Illustrate this in a vector diagram. Usa
1. 3 answers
2. 1,704 views
For the vectors u=(2,-3) and w=(-1,2), calculate |-3u| - |2w|.
1. 4 answers
2. 501 views
3. In 2002, Home Depot’s sales amounted to $58,200,000,000. In 2006, its sales were $90,800,000,000.a. Write Home Depot’s
1. 2 answers
2. 1,007 views
What is the answear to add.5. 5/8 7. 2/3 19. 3/4
1. 1 answer
2. 325 views
Multiply(4r+4)(4r-4)
1. 1 answer
2. 309 views
convert the number to scientific notation..0000000009
1. 9 answers
2. 608 views
25 over 100 = n/100how do i solve for n?
1. 1 answer
2. 294 views
What is the difference between imperfect and past tense? Is imperfect something you did only once, or multiple times in the
1. 2 answers
2. 547 views
i have to integrate using u substitution, but i am not sure if i did it correct.�çtan^3(5x)sec^2(5x)dx u=5x du=5dx 1/5du=dx
1. 1 answer
2. 291 views
In the universal set (U) reperesents all the students in a class.The set m represents the student who take (Music 3x).The set D
1. 3 answers
2. 631 views
I'm trying to solve x^3-3x^2-x+3 is less than zero. Except, I'm not sure how to factor it. I tried splitting it so that 3 would
1. 2 answers
2. 553 views
x^3-2x^2-9x-2 is greater than or equal to -20. I got (-9+x^2)(x-2)(x-2). That would mean for the first grouping, the answer
1. 1 answer
2. 431 views
I'm not sure how to factor x^3-4x is greater than/equal to 0 so that I can find the zeroes. Can you demonstrate, please?
1. 1 answer
2. 374 views
M is 5 years older than N. The product of their ages is 84. How old is M?
1. 4 answers
2. 500 views
4. A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for the
1. 3 answers
2. 481 views
F) Why is (3x + 5) (x - 2) + (2x - 3) (x - 2) not in factored form? What is the correct final factored form? What is this
1. 1 answer
2. 449 views
1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled bya. What is the cost to remove 75% of the
1. 2 answers
2. 527 views
2. Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a
1. 2 answers
2. 542 views
I have to make a book about Potassium. What are some cool wasy a can make a book from scratch?
1. 1 answer
2. 418 views
A 7 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 1.4 m/s2, find the force
1. 2 answers
2. 1,245 views
A freight train has a mass of 5 x 107 kg. If the locomotive can exert a constant pull of 12 x 105 N, how long would it take to
1. 2 answers
2. 1,272 views
What average force is required to stop an 1100 kg car in 9.1 s if it is traveling at 83 km/h?
1. 4 answers
2. 578 views
A 25 kg chair initially at rest on a horizontal floor requires 360 N horizontal force to set it in motion. Once the chair is in
1. 2 answers
2. 851 views
A 905 kg test car travels around a circular track with a circumference of 3.25 km. If the magnitude of the force that maintains
1. 4 answers
2. 2,728 views
A girls sits on a tire that is attached to an overhanging tree limb by a rope. The girl's father pushes her so that her
1. 4 answers
2. 900 views
Approximate the gravitational force of attraction between a 42.0 kg girl and a 56.0 kg boy if they are sitting 3.0 m apart in
1. 2 answers
2. 679 views
A tugboat pulls a ship with a constant net horizontal force of 5200 N and causes the ship to move through a harbor. How much
1. 2 answers
2. 539 views
A kite has diagonals of 16 inches and 23 inches as seen below. What is the perimeter of the kite?
1. 1 answer
2. 412 views
Add and simplify.3/4+1/10+7/15
1. 1 answer
2. 332 views
A fossil-fuel power plant that generates 1000MW of electrical power discharges 1600MJ per second as waste heat into the river.
1. 1 answer
2. 1,287 views
A cylindrical diving bell 4.0m tall, with an open bottom, is lowered to the bottom of a lake on a day when atmospheric pressure
1. 1 answer
2. 862 views
A fish at a pressure of 1.1 atm has its swim bladder inflated to an initial volume of 8.16 mL. If the fish starts swimming
1. 2 answers
2. 557 views
A test has 125 items. Each correct answer earns 1point and 65 percent is a passing grade. If you get 42 answers wrong will you
1. 3 answers
2. 457 views
The sticker price of car is $15,800. If the sales tax is 8% what is the total cost? Show working
1. 3 answers
2. 739 views
Pat paid $35 for a shirt that originally cost $50. What percent of the original price did the shirt cost? Please show working. I
1. 2 answers
2. 726 views
A test has 125 items. Each correct answer earns 1point and 65% is a passing grade. If you get 42 answers wrong will you pass?
1. 6 answers
2. 535 views
A bill for a meal is $10.38 including tax. Find the total cost if the customer leaves a 15% tip.
1. 1 answer
2. 412 views
At a summer camp there are 60 girls and 30 boys. Twenty percent of girls and 40% of boys passed the swimming test. What percent
1. 4 answers
2. 1,371 views
(the drawing is of a square with each side equaling L and the opposites of each corner are equal to each other, so the mystery
1. 2 answers
2. 568 views
Solve for x: x^2 -2x-4=0
1. 5 answers
2. 283 views
1. Hospitals2.Insurance forms 3.Billing services 4.none of the above Which one of the above words are required to keep a list of
1. 1 answer
2. 394 views
Suppose x^2+1>= f(x) >= 4x-3 for all x. Computelim f(x) x->2
1. 1 answer
2. 338 views
Assume that no heat is lost to the surroundings and calculate the enthalpy involved when 200. mL of .10 M potassium hydroxide
1. 3 answers
2. 1,241 views
A wheel with radius 2 cm is being pushed up a ramp at a rate of 6 cm per second. The ramp is 520 cm long, and 260 cm tall at the
1. 2 answers
2. 960 views
A block of mass m = 2.4 kg is released from rest at a height of H = 3.0 m on a curved frictionless ramp. At the foot of the ramp
1. 2 answers
2. 788 views
A computer hard drive rotates at 5400 revolutions per minute. Starting from rest, what torque will get the hard drive up to that
1. 1 answer
2. 679 views
The clarkdell school system has three schools. School #1 has 500 studentsSchool #2 has 600 students School #3 has 400 students
1. 10 answers
2. 680 views
The Kwon family has a rainwater catchment system they use to water their garden. After 3 days without rain, the depth of water
1. 2 answers
2. 1,040 views
A bottle of water costs $1.50. Explain how you would make a graph of four ordered pairs to model the total cost of the water in
1. 4 answers
2. 1,894 views
Can someone help me to compare answer for final exams introduction to Business -These are my answers Here are my answers... 1.c
1. 3 answers
2. 428 views
Hello,I need help in locating format for filing a Discovery Motion in the State of Texas. I have searched but can't find
1. 4 answers
2. 587 views
A 0.9 ml dose of a drug is injected into a patient steadily for half a second. At the end of this time, the quantity, Q, of the
1. 2 answers
2. 1,201 views
Ryan has nine 14 ounce bags of popcorn to repackage and sell at the school fair. A small bag holds 3 ounces. How many small bags
1. 4 answers
2. 463 views
A picture frame is 6 1/4 inches wide by 8 inches tall. If a 5 inch by 7 inch picture is to be centered in the frame, what should
1. 3 answers
2. 571 views
What is the mass of all atoms in 2Fe+3O2=2Fe2O3
1. 1 answer
2. 468 views
Eloise makes & sells screen print t-shirts. She needs to buy some supplies. Paint costs $89.23 & a new screen costs $23.25. She
1. 14 answers
2. 576 views
What is the mole fraction of ethanol, C2H5OH, in an aqueous solution that is 50.0% ethanol by mass?
1. 4 answers
2. 2,399 views
1. Gerald received the following test scores in math class: 76, 86, 89, 81, and 99. What was Gerald’s average test score,
1. 2 answers
2. 578 views
Suppose you are pulling a wagon with th handle at an angle.how can you make your task easier
1. 2 answers
2. 596 views
The park department planted oak and mapel trees in a 5 to7 ratio. They planted 360 trees. How many mapel did they plant?
1. 1 answer
2. 439 views
I am having trouble with an analysis of “There is a beauty at the goal of life”I am needing help in identifying the speaker,
1. 3 answers
2. 536 views
Jordana baked 4 apple pies. she wants to share them equally among 3 neighbors. what fractional part of the pies will each
1. 6 answers
2. 1,534 views
what does this quote mean “we must make it a national principle that we will not tolerate a large army of unemployed and that
1. 1 answer
2. 181 views
can someone analyze this quote for me “It is perhaps not strange that the conservative British press has told us with
1. 1 answer
2. 159 views
Read "The Cricket Sang" by Emily Dickinson. The cricket sang, And set the sun, And workmen finished, one by one, Their seam the
1. 1 answer
2. 46 views
Analyze the social media profile below. What are two things you can infer about this person? Provide evidence from the profile
1. 1 answer
2. 55 views
Which sentence could be included in a summary of a literary text about a teen who is running for student body president?(1
1. 1 answer
2. 35 views
Which lines of poetry are the best example of alliteration?(1 point) Responses My heart broke in anguish, and in anguish my love
1. 1 answer
2. 27 views
Match each term with its definition or example.(2 points) Put responses in the correct input to answer the question. Select a
1. 1 answer
2. 25 views
In this passage, the narrator talks about her memories of her mother. What is the best evidence to support the statement that
1. 1 answer
2. 48 views
Use the sentences to answer the question.“Jonah was late to school—again! He dashed through the empty hallway like an
1. 1 answer
2. 41 views
How do characters affect the plot of a story?(1 point) Responses Characters describe the plot. Characters describe the plot.
1. 1 answer
2. 24 views

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