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Jill

Questions (345)

how do I determine the Ka for an acid HX if th epH of a 1.00M solution of HX is 4.5
1. 1 answer
2. 291 views
Round $6.60 to the nearest 25 cents.
1. 3 answers
2. 1,136 views
When the Arabs conquered much of the Middle East and north Africa, how did they treat non-Muslims? To what extent was there
1. 1 answer
2. 531 views
A 240 g mass is attached to a spring of constant k = 5.4 N/m and set into oscillation with amplitude A = 26 cm.(a) Determine the
1. 1 answer
2. 559 views
Need help unscramblingmpulchescisae think it is the marigold flower for the day of the dead celebration - cempasuchil but not
1. 0 answers
2. 447 views
You buy an 8% annual coupon bond from CARRIS Inc. that has a 25 year maturity and a required return of 12%. The par value is
1. 1 answer
2. 726 views
assume an unknown sample to be 15% copper, weigh enough dried ore sample to use approximatele 35-45mL of .09M S2O3-. How many
1. 1 answer
2. 1,146 views
Justin cuts a piece of wood measuring 5 3/8 inches into two equal pieces how long is each piece
1. 1 answer
2. 488 views
2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed
1. 1 answer
2. 1,918 views
Name the complete subject and the complete predicate in the following sentence. Several cities served as the capital before
1. 1 answer
2. 465 views
Does anyone know a simple way to solve identity problems? Is there a good wedsite I could learn from? I am having a really hard
1. 1 answer
2. 523 views
An airplane is leaving the first airport (A) at a bearing of 70 degrees. It then travels 238 miles to airport B. After fueling
1. 1 answer
2. 1,121 views
An isosceles triangle is inscribed in a circle. The shortest side is the base which is 16 cm long. If the radius of the circle
1. 1 answer
2. 456 views
The Earth rotates once every 24 hours. What is the angular speed of a point on the Earth's surface in rad/min. Give your answer
1. 2 answers
2. 1,006 views
I am having trouble with the concept of unit conversions for math C30. I am in cyber school and it does not seem to be
1. 1 answer
2. 575 views
Find the product: 7y^2(y^4 + 8y^3 - 6y^2 - 5y - 8)
1. 1 answer
2. 363 views
What is the name of the protein encoded by FGFR3?Thanks for any help!
1. 2 answers
2. 332 views
A rectangle napkin costs $3.25. A similar tablecloth is five times longer and five times wider. How much would you expect to pay
1. 1 answer
2. 767 views
Find the area of a decagon with side of 4cm.Find the area of a pentagon with side length of 10cm Find the area of a hexagon with
1. 2 answers
2. 1,109 views
Similar ratio and ratio perimeter for two regular octagons with area=18in squared and 50in squared.9:25, 3:5 or 9:25, 9:25
1. 1 answer
2. 1,253 views
A rectangle napkin costs $3.25. A similar tablecloth is five times longer and five times wider. How much would you expect to pay
1. 10 answers
2. 4,968 views
How were Mendel's ideas different from others at the time?
1. 0 answers
2. 416 views
How were Mendel's ideas different from others at the time?
1. 0 answers
2. 368 views
Write a quadratic equation with real coefficients if one of the solutions is -5 + 7i
1. 1 answer
2. 3,607 views
I'm learning about chromatography and photosynthetic pigments.My question is "how can we measure the light absoptive
1. 0 answers
2. 477 views
How can we measure the light absorptive characteristics for a leaf extract
1. 0 answers
2. 498 views
What does Rf, (or relative to front) mean?
1. 0 answers
2. 438 views
What quantity of heat is necessary to convert 50.0 g of ice at 0.0 C into steam 100,0 C? The heat of fusion is 80.0 cal/g, the
1. 1 answer
2. 1,077 views
List 3 features of catalysts.
1. 1 answer
2. 398 views
Solve the systemx^2+y^2-4x+2y=20 4x +3y =5
1. 1 answer
2. 694 views
If you can only answer just one that's just as helpful too! thankswhat unit of measurement is used to measure different colors
1. 1 answer
2. 479 views
How do I discover which data set in a problem is more spread out?Do I look at the numbers, or do I look at a histogram or any
1. 1 answer
2. 369 views
How do I discover which data set in a problem is more spread out?Do I look at the numbers, or do I look at a histogram or any
1. 1 answer
2. 388 views
What is the spread? How can it be found from a set of numbers?
1. 1 answer
2. 343 views
I need to find the measures of spread and center for each data set in a problem I am doing. How do I do that?Also, is the center
1. 1 answer
2. 1,171 views
What is a vital process performed by proteins embedded in cell membranes?
1. 1 answer
2. 877 views
Whats the process involving sexual reproduction?
1. 1 answer
2. 539 views
Four boxes of various masses are placed on a frictionfree table. Rank these boxes according to net force by listing them in
1. 0 answers
2. 890 views
Four boxes of various masses are placed on a frictionfree table. Rank these boxes according to net force by listing them in
1. 5 answers
2. 3,731 views
What is the name for an environmentally sensitive species? Its for a crossword and I can't find the term anywhere. Help would be
1. 4 answers
2. 426 views
For most of us, life is about "Tradeoffs". Why?
1. 0 answers
2. 278 views
A commercial algaecide containing an organocopper compound was treated with concentrated nitric acid and evaporated to dryness.
1. 2 answers
2. 1,707 views
The question says "Given that cos(theta)=(-7/25) and sin(theta)>0, calculate the exact values of tan(theta) and csc(theta).We
1. 4 answers
2. 954 views
My teacher asked for the EXACT VALUES ofsin(pi/6) cos(pi/4) csc(pi/3) I have to figure it out without a calculator? Also, if I
1. 1 answer
2. 575 views
Calculate the exact values of the cot(theta) and sin(theta) for the acute angle theta if sec(theta)= the square root of 6.Thank
1. 2 answers
2. 1,153 views
Convert to degrees: (5pi/8)How would I do this?
1. 3 answers
2. 1,766 views
Hi :),Please help me balance this equation I would really appreciate it! :) CS2(g)+ O2(g)----> CO2(g)+ S2O4(aq)+HEAT Thank you
1. 3 answers
2. 507 views
An investigator was interested in studying the effect of taking a course in child development on attitudes toward childrearing.
1. 3 answers
2. 2,746 views
A researcher is interested in the effects of monetary incentives on task performance. She recruits 60 undergraduate business
1. 0 answers
2. 688 views
What are the two most diverse animal phyla?Arthropoda and.....?
1. 0 answers
2. 500 views
What are the two most diverse animal phyla?Arthropoda and.....?
1. 1 answer
2. 511 views
What is the bond type of silicon difluoride?
1. 0 answers
2. 733 views
I'm having a hard time trying to understand what my teacher and the article I read are saying here? Could you put it into easier
1. 1 answer
2. 606 views
Based on a data table of their preliminary observations, which is shown below, complete the final column entitled: “Number of
1. 1 answer
2. 577 views
How can too many water plants cause the dissolved oxygen level in the water to be too low?
1. 0 answers
2. 412 views
A recent article in the Myrtle Beach Sun Times reported that the mean labor cost to repair a color television is $90 with a
1. 1 answer
2. 564 views
An Air Force study indicates that the probability of a disaster such as the January 28, 1986 explosion of the space shuttle
1. 0 answers
2. 529 views
What are the positive and negative impacts on biodiversity?I can't seem to find too much online. If you can give a short
1. 0 answers
2. 925 views
Any help at all would be appreciated! Thank you!Henderson argues that the purpose of comedy at the festival of Dionysus is to
1. 2 answers
2. 466 views
Henderson argues that the purpose of comedy at the festival of Dionysus is to give an outlet for those who disagree with the
1. 0 answers
2. 451 views
If ‘pi’ is approximately 3.14, and your field of view is 3 mm in diameter, what is the area of your field of view?
1. 1 answer
2. 407 views
My assignment for history is to pick one of the following examples from aristophanes clouds and explain how it may seem silly,
1. 0 answers
2. 500 views
A researcher wants to attain a random sample of young drivers who have received DUIs within the last year. Using the PREP
1. 6 answers
2. 601 views
A researcher wants to obtain a random sample of the 800 cows from a local farm. He decides to ask the farmer to give him the ear
1. 7 answers
2. 564 views
A personal trainer wants a random sample of her clients. She gets the list of all her clients from the gym manager and assigns
1. 3 answers
2. 510 views
in a typical year, about 46,000 deaths result from car accidents. How manyu deaths would result from car accidents in a typical
1. 2 answers
2. 526 views
What is the Lewis dot structure for Carbon tetrabromide and what is the geometric shape of the molecule?
1. 1 answer
2. 1,085 views
A block of mass 0.22 kg can slide on a frictionless incline (Ø = 30º) and is connected via a string to a vertical spring (k =
1. 0 answers
2. 679 views
a. Suppose a market research company finds that at a price of p = $30, they would sell x = 58 tiles each month. If they lower
1. 2 answers
2. 555 views
x squared minus four, at which intervals is the function increasing or decreasing?
1. 1 answer
2. 403 views
The Orange County Teachers' Credit Corp. offers an account which pays 14% compounded quarterly. What is its effective rate of
1. 1 answer
2. 389 views
A race car goes around a level, circular track with a diameter of 1km at a constant speed of 90 km/h. What is the centripital
1. 1 answer
2. 1,218 views
If there are 8.0 mg of dissolved O2 per liter of H2O at 20 degrees C and 1 atm, calculate the number of moles of molecular O2
1. 1 answer
2. 578 views
Animosity often exists because people are unwilling or unable to see the world or a single experience from the perspective of
1. 2 answers
2. 655 views
Ironic statementDon'trust your heart because it's not on the right side. Answer: true
1. 12 answers
2. 1,155 views
write, in extended form, a polynomial(with real coefficients) of degree 3, with solutions 2,2-i.
1. 1 answer
2. 476 views
Find the solutions to the equation cos2x=sinx and 2cos^2x-3cosx-3=0
1. 0 answers
2. 570 views
How to find all solutions for 3tan^22x-1=0?
1. 0 answers
2. 531 views
I'm creating a "calculu for dummies" project book. I've already done most of it, I'm just stuck on these ones. Thank you!-What
1. 1 answer
2. 831 views
I'm trying to find examples of doublespeak?Because my class just read the novel 1984. I just need examples. I need to print out
1. 1 answer
2. 674 views
How do you solve csc2x + 1 = 0
1. 0 answers
2. 488 views
Solve any way possibly? Thank you!1-sin^2x/1-cosx
1. 1 answer
2. 393 views
Trig Identity.1-sin^2x/1-cosx
1. 2 answers
2. 480 views
How do I prove these trig identities?secx-cosx/tanx =sinx And 1+sinx/cosx+ cox/ 1+sinx=2secx
1. 1 answer
2. 1,002 views
a.)Given y=square root of (x) and y= (x) Find the area between two curves from x=0 to x=1 by integrating with respect to x
1. 0 answers
2. 631 views
A ship is 90 miles south and 20 miles east of port. The captain wants to travel directly to port. What bearing should be taken?
1. 4 answers
2. 3,960 views
How did the American colonies win their freedom in the American Revolution?
1. 2 answers
2. 437 views
Assuming that temperature remains constant, calculate the final volumePressure of a sample of 45 L of gas is increased and the
1. 2 answers
2. 973 views
Hi - I need help with the following questions:Julie dissolved 20 g of sugar in a cup of water. The mass of the solution was 500
1. 2 answers
2. 618 views
The correct sequence between genes and their phenotypic expression isa) RNA-DNA-protein-trait b) DNA-RNA-protein-trait c)
1. 1 answer
2. 2,483 views
There are 7 rap songs, 7 rock songs and 5 classical songs to select from. Three songs are to be chosento play at random-what is
1. 2 answers
2. 1,198 views
If y=7^(x+5)write the equation for the inverse of y. It must be a y=equation.
1. 2 answers
2. 361 views
Here is the problem I am working on:Romeo is commissioning the construction of a four-inch-tall box made of precious metals to
1. 3 answers
2. 687 views
I have an essay to write but I need some help on this question. "Comment on both Sheriff Bell's and Moss's wives. How are they
1. 2 answers
2. 911 views
four objects, each with a positive charge of 1.0 x 10^-6 C, are placed at the corners of a 45 degree rhombus with sides of
1. 0 answers
2. 877 views
four objects with a positive charge of 1.0 x 10^-6 C, are placed at the corners of a 45 degree rhombus with sides of length 1.0
1. 0 answers
2. 705 views
Oxygen reacts with the dipeptide glycylglycine [C4H8N2O3(s)] to form urea [CH4N2O], carbon dioxide and water:3O2(g) + C4H8N2O3
1. 0 answers
2. 825 views
Ca(HCO3)2(s) decomposes at elevated temperatures according to the stoichiometric equation Ca(HCO3)2(s)-> CaCO3(s) + H2O(g) +
1. 1 answer
2. 2,059 views
what is the variation of pressure in the sound wave if the sound intensity is 3.85x10^-8 W/m^2 the speed of sound is 343 m/s and
1. 0 answers
2. 500 views
A jet airplane has an intensity of 109.7 W/ m2 when heard at a distance of 26.8 m. What is the maximum sound intensity heard by
1. 1 answer
2. 875 views

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