Sunday

July 5, 2015

July 5, 2015

Total # Posts: 82,673

**Science**

What was your score?
*April 16, 2015*

**chemistry**

In a titration, 4.1 g of an acid (HX) requires 32.8 mL of 0.74 M NaOH(aq) for complete reaction. What is the molar mass of the acid? Answer in units of g/mol.
*April 16, 2015*

**calculus**

Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 1, and x = 1 is revolved around the line y = −3.
*April 16, 2015*

**calculus**

The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2. Cross sections of the solid perpendicular to the x-axis are equilateral triangles. What is the volume, in cubic units, of the solid?
*April 16, 2015*

**calculus**

Determine if the Mean Value Theorem for Integrals applies to the function f(x) = x^3 − 9x on the interval [−1, 1]. If so, find the x-coordinates of the point(s) guaranteed to exist by the theorem
*April 16, 2015*

**calculus**

An object has a constant acceleration of 40 ft/sec^2, an initial velocity of −20 ft/sec, and an initial position of 10 ft. Find the position function, s(t), describing the motion of the object.
*April 16, 2015*

**Art Please Help :)**

I was right on 1 but 2 actually was A. Should of went with my gut feeling... I had a feeling it was ingenuity. :(
*April 16, 2015*

**Art Please Help :)**

Writeacher thank you so much as well! The thing is with certain courses, whatever they give you in the lesson is what they expect to see on the exam, and do not always put into account other possibilities. My lesson only spoke of asymmetry, and although I may not agree, I must...
*April 16, 2015*

**Art Please Help :)**

Reed thank you soo much, you always go above and beyond in helping me, I super appreciate it!!! :)
*April 16, 2015*

**@Ms. Sue**

Ms. Sue can you please check whenever possible? Thank you :)
*April 16, 2015*

**@Reed :)**

Reed can you please check whenever possible? Thank you so much :-)
*April 16, 2015*

**Art Please Help :)**

So 2 is C?? Or could it be A??
*April 16, 2015*

**Art Please Help :)**

I put asymmetry for 1 because its defined as the lack of equality and balance :) It is also prominent in Japanese gardens ;)
*April 16, 2015*

**Art Please Help :)**

The placements of rocks in a Japanese garden is an example of which artistic principal that communicates the cultural value of embracing a lack of equality? A. Asymmetry*** B. Balance C. Symmetry D. Transformation Which artist-inventor trait is responsible for the ability to ...
*April 16, 2015*

**art**

How do landscape paintings convey the values and ideas of Chinese culture? (1 point) Landscape paintings show chaotic, unhappy culture. Landscape paintings reveal the importance of natural history to the Chinese. Landscape paintings show that Chinese desire to live in simple ...
*April 16, 2015*

**Biology**

If gametes have only one copy of a chromosome, then do egg cells have only an X chromosome?
*April 16, 2015*

**physics**

A spaceship has a momentum of 20,000 kg·m/s to the left; its mass is 500 kg. What is the magnitude of its velocity?
*April 16, 2015*

**MATH**

Suppose that you work at the Peacock Blue store for 40 hours over five days at a rate of $9.25/hour. You then quit your job. Deductions are FICA (7.65%), federal withholding (12%), and state withholding (8%). Your expenses are transportation at $5.25/day, lunch at $3.85/day, ...
*April 16, 2015*

**L.A**

thats the hard part... idk what he compares
*April 16, 2015*

**L.A**

a comparison
*April 16, 2015*

**L.A**

Idk that why i posted a question on here...
*April 16, 2015*

**L.A**

O Captain! my Captain! our fearful trip is done, The ship has weather’d every rack, the prize we sought is won, The port is near, the bells I hear, the people all exulting, While follow eyes the steady keel, the vessel grim and daring; But O heart! heart! heart! O the ...
*April 16, 2015*

**calc**

a) Estimate the area under the graph of f(x) = 10(sqrt(x)) from x = 0 to x = 4 using four approximating rectangles and right endpoints
*April 16, 2015*

**physics**

. A tennis player serves the ball at a height of h with an initial velocity of 40m/s at an angle of 4 0 with the horizontal. Knowing that the ball clears the 0.941m net by 152mm. Determine (a) the height h (b) the distance d from the net to where the ball will land.
*April 16, 2015*

**physics**

A helicopter is flying with a constant horizontal velocity of 144.2 kmph and is directly above the point A when a loose part begins to fall. The part lands 6.5seconds later at point B on an inclined surface. Determine (a) The distance 'd' between points A and B. (b) ...
*April 16, 2015*

**physics**

A ski jumper starts with a horizontal take-off velocity of 25m/s and lands on a straight landing hill inclined at 30 0 . Determine (a) the time between take-off and landin. (b) The length 'd' of the jump. (c) The maximum vertical distance between the jumper and the ...
*April 16, 2015*

**math plz help Irving**

These are actually one of my favorite things to do. Very easy once you get it Your welcome!!
*April 16, 2015*

**math plz help Irving**

I know :) I was just trying o explain to, Pink. So she can understand it.
*April 16, 2015*

**math plz help Irving**

Irving is correct.
*April 16, 2015*

**math plz help Irving**

Sorry, I actually should explained instead of given what the answer could be. Combination is when the order DOESN'T matter. Permutation is when the order DOES matter Does the order matter on this?
*April 16, 2015*

**math plz help Irving**

If this is Permutations then the answer is D If this Combinations then the answer is A
*April 16, 2015*

**English 4**

Oh, compare and contrast? For your essay. You can reread the stores (if their short stories) or just go back through the stories.. How are Psalm 23 and The Sermon on the Mount different? How are they similar or alike. Ex: how are these two sentences different and alike? "...
*April 16, 2015*

**English 4**

Are those two different stories or poems? Do you have answer choices?
*April 16, 2015*

**Jiskha**

This isn't a question but I just want to thank everyone who helps others out on here. It's great that you don't answer some people if they don't give their answer. People are here for help, not to cheat. And you helpers actually help them work it out or you ...
*April 16, 2015*

**Math**

Prove that 140 * 141 * 142 * ... * 159 * 160 is divisible by 4321.
*April 15, 2015*

**Math**

Proportions
*April 15, 2015*

**math**

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C. Skewed right with ...
*April 15, 2015*

**geometry**

The cargo space of the truck is 2.44 meters wide, 2.76 meters high, and 8.20 meters long. How many cubic meters of cargo space does the truck have?
*April 15, 2015*

**math word problems**

Q. Mark's doctor appointment was 35 minutes after Tyson 's appointment, Tyson appointment was 20 minutes after Timothy's appointment. Timothy arrived 8 minutes before his appointment but 17 minutes after Raul's appointment which started at 9:30 am. At what time...
*April 15, 2015*

**SCIENTIFIC NOTATION**

Japan and Fiji are both island countries. The population of Japan is approximately 1.3*10^8. The population of Fiji is approximately 8.8*10^5. Which is the best estimate of how many times as great the population of Japan is as Fiji? A about 1.5 times as great B about 15 times ...
*April 15, 2015*

**POL201 American National Government**

States create and submit programs to the federal government for funding
*April 15, 2015*

**POL201 American National Government**

States create and submit programs to the federal government for funding
*April 15, 2015*

**SCIENTIFIC NOTATION**

NEVERMIND GOT IT
*April 15, 2015*

**SCIENTIFIC NOTATION**

What is the product? (5*10^-7)*(3.2*10^12) A 1.6*10^-84 B 1.6^*10^-5 C 1.6*10^5 D 1.6*10^6 I thought it would be 16.0*10^5 but after moving the decimal one place to the left I thought it would be 1.6*10^4 but it isn't an option
*April 15, 2015*

**Algebraic expression **

One more than the product of 7 and Mabel's height
*April 15, 2015*

**DIAMETER**

NEVERMIND
*April 15, 2015*

**DIAMETER**

What is the approximate volume of this sphere, which has a diameter of 18 inches? A 339 cubic inches B 1,356 cubic inches C 3,052 cubic inches D 24,417 cubic inches PLZ EXPLAIN THE PROCESS
*April 15, 2015*

**EQUATIONS**

nvm Rein Rein
*April 15, 2015*

**EQUATIONS**

Which equations represent a linear function? Equation 1 y=5x-2 Equation 2 y=-1/3x Equation 3 y=x^2-3 Equation 4 y=1 A 1 and 2 B 2 and 3 C 1, 2 and 3 D 1,3, and 4
*April 15, 2015*

**SCIENTIFIC NOTATION**

what?
*April 15, 2015*

**SCIENTIFIC NOTATION**

What is the product? (5*10^-7)*(3.2*10^12) A 1.6*10^-84 B 1.6*10^-5 C 1.6*10^5 D 1.6*10^6
*April 15, 2015*

**EQUATION**

I was having trouble with the equation none of them fit when I solved them
*April 15, 2015*

**EQUATION **

What value of x makes the equation below true? 1/2(6x-6)+1=3(4x-1) A x=-9 B x=-1/9 C x=1/9 D x=9
*April 15, 2015*

**find the height**

um they aren"t exact bc of the radicals thank you very much -_-
*April 15, 2015*

**find the height**

A paper cone cup beside a water cooler has a diameter of 6 centimeters and a slant length of 9 centimeters. What is the approximate height,h, of the cup? A 3 radical 5 centimeters B 6 radical 2 centimeters C 3 radical 10 centimeters D 7 radical 2 centimeters
*April 15, 2015*

**Scientific Notation **

Which is equivalent to 3^3/3^-1? A -81 B -1/81 C 1/81 D 81
*April 15, 2015*

**Linear Functions!!!!**

Which equations represent a linear function? Equation 1 y=5x-2 Equation 2 y=-1/3x Equation 3 y=x^2-3 Equation 4 y=1
*April 15, 2015*

**REPEATING DECIMALS**

which rational number is equivalent to: _ 1.16? A 7/6 B 15/13 C 17/16 D 29/25
*April 15, 2015*

**chemistry**

whoops I took 15% of the molar mass of NH4NO3 So .15 x 25=3.75 3.75 x 300= 1125 ?
*April 15, 2015*

**chemistry**

25.0 ml of 15% NH4NO3 solution is diluted to 300.0 ml. What is the concentration of the diluted solution? My Work: Total molar mass of NH4CO3 = 80.052 .15 x 80.052= 12.0078 25.0 ml (12.00 M) = 300.0 ml (c2) 300.19/300.0ml = The concentration is = 1.0M
*April 15, 2015*

**L.o**

knkmnk
*April 15, 2015*

**L.o**

life adaptation skill
*April 15, 2015*

**Science**

You are trying to determine how far it is to your new friends house. You find out that you actually live on the same street. You also use the same bus stop. Google maps says that your house is 24 meters south of the shared bus stop. Your friend said that he measure his ...
*April 15, 2015*

**L.A**

"It shall flood with golden splendor"?
*April 15, 2015*

**L.A**

"President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain ranges, And ...
*April 15, 2015*

**L.A.**

i got the answer thanks!
*April 15, 2015*

**L.A.**

"President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain ranges, And ...
*April 15, 2015*

**L.A**

President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the mountain ...
*April 15, 2015*

**L.A**

He compares sunlight eliminating shadows to show how the Emancipation Proclamation made life better for Americans?
*April 15, 2015*

**L.A**

President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the mountain ...
*April 15, 2015*

**L.A**

What makes this poem an analogy?
*April 15, 2015*

**maths**

it will take him 8 steps to get to the water level
*April 15, 2015*

**physics**

When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 6.7 x10-7 m and a maximum speed of 3.9 x10-3 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b) What is the ...
*April 15, 2015*

**math**

dfgh
*April 15, 2015*

**Physics**

m/s* sorry
*April 15, 2015*

**physics**

two identically charged sphere of mass 3 gm each are suspended from a point by threads of length 13 cm. they are separated 10 cm due to repulsion. find the tension of the thread and charge on the sphere?
*April 15, 2015*

**statistics**

A tennis player makes a successful first serve 51% of the time. if she serves 9 times, what is the probability that she gets exactly 3 first serves in? assume that each serve is independent of the others.
*April 15, 2015*

**Physics **

We think of the width of the central maxima on our screen as a measure of the uncertainty in the direction of travel of the protons. What happens to this uncertainty in the direction of travel (momentum) as the slit width narrows?
*April 15, 2015*

**Physics **

When we force protons through a narrow slit, we are gaining certainty in their position. As we gain certainty in their position, what should happen to the certainty on momentum?
*April 15, 2015*

**chemistry**

A chemist dissolves 0.097 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 13.6-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4 in the second ...
*April 14, 2015*

**workplace set-up**

setting up medical office with 3 physicians, 6 adm. personnel and 4 clinical assistants plus 1 office manager. How can I set up a complete computer equipments with all equipment needed to run the office
*April 14, 2015*

**calculus**

3:For an object whose velocity in ft/sec is given by v(t) = −2t^2 + 4, what is its distance travelled, in feet, on the interval t = 0 to t = 2 secs? a:4.876 b:2.667 c:9.752 d:2.438
*April 14, 2015*

**calculus multiple choice**

1.The region in the first quadrant bounded by the x-axis, the line x = ln(π), and the curve y = sin(e^x) is rotated about the x-axis. What is the volume of the generated solid? a: 0.906 b:0.795 c:2.846 d: 2.498 2.Find the average value of f(x)=2/x over the interval [1, 3...
*April 14, 2015*

**math**

20 percent of what number is 18
*April 14, 2015*

**grammar**

check
*April 14, 2015*

**math**

If we say that rare events are those events that happen with a probability of less than .05, then how many observations of men taller than 71 inches tall would you have to observe when randomly sampling before concluding that you had a rare sample? mean = 69, SD = 4
*April 14, 2015*

**math**

Given these probabilities: pr(rain) = .2 pr(snow)=.1 pr(cloudy)=.5 and pr(sun)=.2 pr(crash|rain or snow) = .2 pr(crash|cloudy or sun) = .05 what is the probability of a car crash?
*April 14, 2015*

**chemistry**

What is the final volume if 125 mL of a stock solution of nitric acid at 10.30 M is diluted to 0.500 M?
*April 14, 2015*

**calc**

Find the maximum possible area of a rectangle in quadrant 1 under the curve y=(x-4)^2 (with one corner at the origin and one corner on the curve y=(x-4)^2)
*April 14, 2015*

**calc**

The base of a triangle is shrinking at a rate or 2 cm/s while the height is growing at a rate of 3 cm/s. How quickly is the area of the triangle changing when the base is 10 cm and the height is 6 cm?
*April 14, 2015*

**calc rates**

the radius, r, of a circle is growing at a rate of 3 cm/s. Find the rate of change of the area of the circle when the radius is 5 cm
*April 14, 2015*

**SCIENTIFIC NOTATION**

THANK YOU REINY !!
*April 14, 2015*

**SCIENTIFIC NOTATION**

which expression is not equal to 6^3/6^6? A 1/6^2 B 6^-3 C 1/216 D 1/6^3
*April 14, 2015*

**MATH WORD PROBLEM HELP PLEASE**

A water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320pi cubic feet. What is the diameter, in feet, of the water tank?
*April 14, 2015*

**SCIENTIFIC NOTATION**

A lab has two bacteria cultures. Culture A contains 8*10^4 bacteria and culture B contains 4*10^6 bacteria. How do the two cultures compare in size? A. Culture A contains twice as many bacteria as Culture B B. Culture A contains 1/2 as many bacteria as Culture B C. Culture A ...
*April 14, 2015*

**math**

find the first 3 term s of an arithmetic sequence in which the 21 term is -54 and the fifteenth term is -170
*April 14, 2015*

**Reading**

I was right!! it was C. thanks a whole bunch for ur help:):):):)
*April 14, 2015*

**Reading**

i think it is C, u don't have to tell me yes or no. I'm just saying! I checked the definition :)
*April 14, 2015*

**Reading**

Ok thanks! At least I can eliminate A & D.
*April 14, 2015*