Suzy
This page lists questions and answers that were posted by visitors named Suzy.
Questions
The following questions were asked by visitors named Suzy.
a 20 ft ladder is leaning against a wall. The bottom is being pulled out at a constant rate of 2.5 ft/sec. Will the top of the ladder clide sown thr wall at a constant rate? What will the rate be? In relation to time? It is not constant. Use pythagorus: x...
19 years ago
What do the 35 stars and their arrangement and the 13 strips mean on the 7th Cavalry Guidon Flag that Custer used in the battle of little big horn Thank you for using the Jiskha Homework Help Forum. On the first site you can see the flag: http://www.anyfl...
18 years ago
22. Divide the expression before differentiating. F(x) = (8x^3 - 1)/ (2x - 1) Would the way to solve this problem be... F(x) = [(8x^3) / (2x - 1)] - [(1)/(2x - 1)] = [(4x^2)/(1)] - [(1) / (2x - 1)] = (4x^2) - (2x-1)^-1 F'(x) = (8x + 1)
17 years ago
26. Find all points of inflection. f(x) = (5x-3)^(1/3) Note: I have gotten f''(x) = (-50/9)(5x-3)^(-5/3) I would like to know how to figure out the zeros.
17 years ago
Hey DrBob, I posted an answer to you question on my lab report just to let you know what the y= and r^2 is
17 years ago
I had to take cereal crush it up and place it in a crucible and cook it tell it was black ash. Then I took that burnt ceral and placed it into a beaker with HCL and water and boiled it tell the cereal was like a liquid cause coming out of the crucible it...
17 years ago
I need to know what else would I put into my discussion part of my lab report
17 years ago
Okay so I read your part on the discussion... and I added it to my discussion it just seems like I need more my professor said that the discussion part is supposed to repeat everything talked about in the previous sections like the intro,methods ect. It j...
17 years ago
And here is the discussion part of the lab how would I put like a concluding sentence to this. DISCUSSION: This experiment was conducted to determine the iron content in a breakfast cereal. The results indicate 39% iron in a sample of Kix cereal. This val...
17 years ago
Okay so I got the 39% from 5 runs on the spectrometer from volumetric flasks from 100-500 mL filled just sodium acetate,hydroxylamine hydrochloride
17 years ago
So should it also be introduced into to the methods part to since I had to do that as part of my methods. And you want me to put the equations into my discussion part of the lab report of each run the equations are y=mx+b or should I put that in the resul...
17 years ago
Methods and Materials: The starting materials for this lab were: a crucible, breakfast cereal (Kix), bun cent burner, 100 mL beaker, hot plate, 100 mL volumetric flask and stopper, a funnel and filter paper. First off by taking the breakfast cereal crushe...
17 years ago
Okay so the five volumetric flasks came from solutions that the professor told us to get the wavelength for the highest point of absorbance for asked how I got the highest point of absorbance earlier
17 years ago
DISCUSSION: This experiment was conducted to determine the iron content in a breakfast cereal. The results indicate 39% iron in a sample of Kix cereal. This value is slightly lower than the 43% listed on the cereal box. The difference may be attributed to...
17 years ago
Okay now can you read my introduction for me please... INTRODUCTION: This report discusses an experiment to study the percent mass of iron determined by the concentration of a colored iron solution from the absorbance of the spectrometer. This lab is desi...
17 years ago
Do I have this right? Which one of these is the solute and which one is the solvent in a solution composed of a.) 25.0 g. of silver in 5.0 g. of mercury, and b.) 3.0 g. of iodine (I2) in 100.0 mL of ethanol? a.) Mercury is the solute and silver is the sol...
17 years ago
I am confused about how to graph two numbers on the same line. I need to graph: x</+ -2 x>/+ -4 both on the same line I have: -6 -5 [-4 -3 -2] -1 0 1 2 solid line I am not sure if I have the right [ or if I need a ( and if I need a solid line.
17 years ago
A passenger bus in Zurich, Switzerland derived its motive power from the energy stored in a large flywheel. The wheel was brought up to speed periodically, when the bus stopped at a station, by an electric motor, which could then be attached to the electr...
16 years ago
One application of the index of refraction is analysis of crime scenes. Using the index of refraction, forensic scientists can determine what type of glass has been left at a scene. Read the following and answer the questions below. Different types of gla...
16 years ago
What type of simple machine would you use if the trees have lost their leaves and you have a lot of them to collect?
16 years ago
1) Which of the following is an example of a measure of labor productivity? a. Autos get 30 gallons to the mile. b. The growth rate of per capita real GDP is 3.5 percent per year. c. Farm workers produce 30 bushels of wheat per worker per day. d. Wages in...
15 years ago
Find the derivative of the functions: 1) f(x)=x(1-(2)/(x+1)) 2) f(s)=(s^2-2s+5)/(x^(1/2))
15 years ago
A company is considering a plan that has different profit results under different conditions. Assuming there is a 20% chance of a boom and 10% chance of a recession, compute the expected value of their plan. Condition Result Boom $2,000,000 Profit Average...
14 years ago
A company is considering a plan that has different profit results under different conditions. Assuming there is a 20% chance of a boom and 10% chance of a recession, compute the expected value of their plan. Condition Result Boom $2,000,000 Profit Average...
14 years ago
A battalion 20 miles long advances 20 miles. During this time, a messenger on a horse travels from the rear of the battalion to the front and immediately turns around, ending up precisely at the rear of the battalion upon the completion of the 20-mile jou...
14 years ago
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f−1 8 5f(3/8)
14 years ago
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f−1 8 5f(3/8)
14 years ago
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f−1(8/5f(3/8)
14 years ago
Let AB and CD be two lines intersecting at point O. Let OP be the bisector of ]AOC, OT the bisector of ]POB, and OR the bisector of ]TOD. If ]POR = 25, find ]AOC and ]AOD.
14 years ago
Let AB and CD be two lines intersecting at point O. Let OP be the bisector of angle AOC, OT the bisector of angle POB, and OR the bisector of angle TOD. If angle POR = 25 degrees, find angle AOC and angle AOD.
14 years ago
For 0 < x < 1, let f(x) = (1 + x)(1 + x4)(1 + x16)(1 + x64)(1 + x256) · · · Compute f to the power of -1 times 8 divided by 5 times f times 3/8
14 years ago
How do you multiply and simplify radical 2(radical 8+ radical 5)?
14 years ago
Tarzan, who weighs 899 N, swings from a vine through the jungle. How much work is done by the tension in the vine as he drops through a vertical distance of 4.45 m?
14 years ago
The driver of a 1600 kg car, initially traveling at 10.6 m/s, applies the brakes, bringing the car to rest in a distance of 23.0 m. (a) Find the net work done on the car. (b) Find the magnitude and direction of the force that does this work. (Assume this...
14 years ago
A hovercraft of mass 77.0 kg can move on a horizontal surface, the x-y plane. A single unbalanced force acts on the hovercraft, but the size of the force is unknown. The hovercraft initially has a velocity of 6.0 m/s in the positive x direction and some t...
14 years ago
How is our behavior affected by others?
13 years ago
Use Newton's Method to approximate the positive root of the function f(x) = (x^5) - 20 Show each iteration until successive iterations agree to six decimal places.
12 years ago
If 1200 square centimeters of material is available to make a box with a square base and open top, find the largest possible volume of the box.
12 years ago
Suppose you have a graph of a polynomial function and you can see that the function increases without bound on both left and right ends, has 4 real zereos and has 5 turning points. Based on this information, what is the minimum degree of the polynomial?
12 years ago
The president's role in foreign policy increased largely because: A. Congress proved so inept in foreign affairs that the American people demanded a change. B. America became more of a world power. c. of the need to coordinate national economic policy and...
12 years ago
Eighty people were invited to vote in the extension club's elections and 9/10 of them voted. How many people voted in the elections? 74, 73, 72, 75 My answer is 73
12 years ago
1.Find the LCD and add the fractions. 1/125+4/50= 11/125, 1/1250, 1/35, 551/6250 My answer is 11/125 2.Subtract; then reduce answer to lowest terms. 5/22-1/41= 227/902,183/901,183/902,61/301 My answer is 183/902
12 years ago
perform the following unit conversion. 296 0z= ___________ lb 18.5, 55.5, 37, 74 My Answer is 18.5 Perform the following conversion. 32kg= ______ lb 16,320,70.4,14.4 My Answer is 70.4 Some people feel that the ideal temperature for an office space is 72.0...
12 years ago
Please check my answers. 1. When considering marital separation and divorce as a social problem, an effective approach might be to: __x_a. develop counseling options for couples in crisis. ____b. focus on problems with the institution of marriage itself....
12 years ago
1. When considering marital separation and divorce as a social problem, an effective approach might be to: __x_a. develop counseling options for couples in crisis. ____b. focus on problems with the institution of marriage itself. ____c. develop anger-mana...
12 years ago
how would I solve 3 square of 6 times square of 6? Sorry, I don't know how to make radicals. Square of means radical
12 years ago
1. What two numbers can be multiplied to equal -60 and added to be -11? 2. What two numbers can be multiplied to equal -36 and added to be -16? 3. What two numbers can be multiplied to equal 10 and added to equal -7? Thanks
12 years ago
My 5th grade year was coming to a close and I, personally, was really looking forward to summer. Two months of sleeping in late and doing whatever. How would I write this...
12 years ago
Find at least 5 Mexican War battles that took place in Southern California. (Southern California = the ten southern counties.)
12 years ago
how would I factor x to the thrid + 3x squared - x -3 I got (x+3) (x squared -1) and my teacher marked me wrong.
12 years ago
What is the minimum height you would have to place a solid ball of mass M and radius R (I=2MR^2/5) on a hill in order for the ball to make it completely around a circular loop at the bottom of the hill? The diameter of the loop is D. Assume the ball rolls...
12 years ago
A contractor has been asked to pave 15 miles of new road. Before he can set his price, he needs to know how much the cement will cost. If the road is 45 feet wide and 9 inches thick and the cost of cement is $35 per cubic yard, what will be the cost of th...
12 years ago
A contractor has been asked to pave 15 miles of new road. Before he can set his price, he needs to know how much the cement will cost. If the road is 45 feet wide and 9 inches thick and the cost of cement is $35 per cubic yard, what will be the cost of th...
12 years ago
Suppose the demand and supply for milk are described by the following equations: QD = 600 - 100P; QS = -150 + 150P, where P is price in dollars, Q D is quantity demanded in millions of gallons per year, and Q S is quantity supplied in millions of gallons...
12 years ago
1. Which of the following statements are true? (i) r = 4 – 3 sin θ is the equation for a limaçon rotated 90°. (ii) r = 3 cos 8θ is the equation for a rose curve with 8 petals. (iii) rθ = 16 is the equation for a circle. A. (i) and (iii) B. (i) only C. (ii...
12 years ago
1. Which of the following statements are true? (i) r = 4 – 3 sin θ is the equation for a limaçon rotated 90°. (ii) r = 3 cos 8θ is the equation for a rose curve with 8 petals. (iii) rθ = 16 is the equation for a circle. A. (i) and (iii) B. (i) only C. (ii...
12 years ago
2. solve cos 2x-3sin x cos 2x=0 for the principal values to two decimal places. 3. solve tan^2 + tan x-1= 0 for the principal values to two decimal places. 4. Prove that tan^2(x) -1 + cos^2(x) = tan^2(x) sin^2 (x). 5.Prove that tan(x) sin(x) + cos(x)= sec...
12 years ago
(9/25)^-3/2
11 years ago
Factorise to quadratics X^2+5x-14 X^2-x-90 X^2-13x+40
11 years ago
how is energy produced during a nuclear fusion reaction?
11 years ago
A rock is dropped into a deep hole and 2.2 s later the sound of striking the bottom is heard. If the speed of sound is 340 m/s, what is the depth of the hole?
11 years ago
A box with a mass of 3.5 kg is resting on a horizontal frictionless incline plane which is inclined at 28 degrees. Another force is applied at an angle of 13 degrees above the direction parallel to the incline. What does the magnitude of this force need t...
11 years ago
The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you ar...
10 years ago
The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you ar...
10 years ago
Can you tell if Beer's Law holds for your stock solutions as well as in the calibration range? Why or why not? (P.S. this is a lab question and Beer's Law equation is: A(absorbance) = a(absorptivity) x b(path length) x c(concentration))
10 years ago
The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you ar...
10 years ago
What is the smallest possible slope for a tangent to y=x^3 - 3x^2 + 5x? (I'm unsure how to approach this problem, if you know how to solve it, please explain step by step. THANK YOU!!!)
10 years ago
Why did: George Childress, Lorenzo de zavala, James fanin, Sam Houston, Antonio Lopez de Santa Anna, Juan N. Sequin, and William B. Travis come to Texas???? What role did each of them play during the Texas revolution?? How did each of them contribution to...
10 years ago
Below is a table showing the cost lawn maintenance service charges for various commercial and retail properties. Cost of lawn maintenance ($) 640, 250, 500, 640, 720, 640, 250, 720 A. Find the mean absolute deviation for the lawn maintenance company B. De...
10 years ago
Find the surface area of the right prism with the given features. The bases are right trapezoids with bases of lengths 8 and 14 perpendicular to one side of length 18; height = 11.
10 years ago
A carpenter was creating a fence around his back yard the rectangular yard measured 4 1/2 feet by 8 2/3 feet what is the perimeter of the backyard
9 years ago
Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 My possible answ...
9 years ago
two cars start moving from the same location but in different ways, then angle between them is 125. The first car moves 60 mph and the second car moves 75 mph how far apart are they after 2 hours and 45 mins?
9 years ago
Imagine we have two identical batteries with emf = 1.8V and an internal resistance of 0.6 ohms. Now we connect the batteries to a circuit with total resistance of 50 ohms. What is the maximum amount of power we can dissipate in the 50 ohm load? what is th...
9 years ago
Write two numbers that when rounded to the thousands place have an estimated sum of 10,000
9 years ago
Scenario : A truck has a mass of 2000kg and is moving at 50m/s and collides with another truck that has a mass of 2000kg moving at a speed of -20m/s. 1)Is this a sticky or springy collision? 2)What is the total momentum after the collision? 3)If both truc...
8 years ago
Factoring expression algebra 42x+49
8 years ago
36÷(12÷3) and (36÷12)÷3 Are they equivalent and what property is applied?
8 years ago
(6xr)x7 use one or more properties to rewrite each properties as an expressions that does not use parenthesis
8 years ago
ella sold 37 necklaces for $20 each at the craft fair. she is going to donate half of the money she earned to charity. use ecommutative property property to mentally find how much money she will donate.
8 years ago
Answers
The following answers were posted by visitors named Suzy.
I had to take cereal crush it up and place it in a crucible and cook it tell it was black ash. Then I took that burnt ceral and placed it into a beaker with HCL and water and boiled it tell the cereal was like a liquid cause coming out of the crucible it...
17 years ago
and phenanthroline and distilled water all this was put into those flasks before my iron solution the professor wanted us to do this so we could see the wavelength on the spectrometer
17 years ago
Can I send you my methods part again I wrote some more in there then you can see if I did it right Please :)
17 years ago
The starting materials for this lab were: a crucible, breakfast cereal (Kix), bun cent burner, 100 mL beaker, hot plate, 100 mL volumetric flask and stopper, a funnel and filter paper. First off by taking the breakfast cereal crushed up and placing it int...
17 years ago
Obtaining a 100 mL flask, it was place under the funnel and the liquid of cereal and hydrochloric acid was filtered out into the flask and a stopper was put on the top. The 100 mL volumetric flask with the colorless iron solution was fitted with a rubber...
17 years ago
The 250 mL volumetric flask was filled with 10 mL of sodium acetate by a graduated cylinder, 1 mL of hydroxylamine hydrochloride by a micro liter pipette and 10 mL phenanthroline by a graduated cylinder. Then the volumetric flask was not to the mark so, t...
17 years ago
Five volumetric flasks labeled 100-500 mL were filled with sodium acetate, hydroxylamine hydrochloride, and phenanthroline and distilled water and filled to the mark on the volumetric flask. These solutions were placed one after another into the cuvet to...
17 years ago
After testing the five solutions in the volumetic flasks, the next step was to take the iron phenanthroline solution in the volumetric flask when it was ready to be inserted into an Ocean Optics USB2000+ Miniature Fiber Optic Spectrometer.
17 years ago
First the cuvet had to be filled with distilled water and was placed into the spectrometer and set closest to zero, the spectrometer was set for about .077, and then the volumetric flask with the solution of iron-phenanthroline was tested in the cuvet at...
17 years ago
and the 0.077 was set to that because that was the lowest number I could get on spectrometer... that's why in the discussion part it said that is why there might be some error.
17 years ago
It is still placed into the methods part
17 years ago
Another reason why the iron sample percentage didn’t match up with the box of cereals iron content may be because during the process of transferring the burned cereal to the HCL beaker some of the cereal may have been still left in the crucible. In figure...
17 years ago
Dr. Bob can you help me get a concluding sentence to my discussion please
17 years ago
Phenanthroline (C12H8N2) was added to the colorless prepared solution and a phenanthroline-iron (II) complex was formed. The absorbance of the resulting colored solution was measured on the spectrophotometer and the percent iron was read from a graph that...
17 years ago
thank you. :)
16 years ago
2) d 3)a 4)b 5)c 6)a
15 years ago
so is it b for # 5?
15 years ago
never mind its d
15 years ago
thank you everyone for the help. I've been researching on the computer for months with no luck. i will look at the sites u recommended. i thought i was taking medical billing not a writing class....
14 years ago
B. The text says in 1945, the US emerged as a global superpower, a giant in world trade, and the recognized leader of the noncommunist world. C. Because of the presidents constitutional authority as a chief diplomat & military commander & the special dema...
12 years ago
Could you please expalin how you got this answer?
12 years ago
72, Thank you!
12 years ago
Thank you!
12 years ago
Are my answers correct?
12 years ago
Thank You Very Much
12 years ago
alright, I will. Thanks
12 years ago
I know it's 125/27 but I need it with a whole number and a fraction
11 years ago
Ummm I actually do noe but I just wanted to make sure. Plus I've finished my work already .
11 years ago
Yes we did ran an experiment for this but I was confused as to how I could find the stock solution absorbance. Here's the data I had obtained: - Unknown solution absorbance: 0.271 - Kool-Aid flavor: Cherry - Wavelength = 470nm - Mass of mix 1 transferred...
10 years ago
And the net weight for that is 3.6g (I'm not sure how to use it)
10 years ago
I wanted to get that graph but I didn't know how to find the concentration. Only way I can plot it is using concentration and absorbance
10 years ago
Well i have the dilution (mL/100mL) and absorbance. So to get concentration do I take the dilution and divide it by the volume of stock solution I used?
10 years ago
THANK YOU SO MUCH!!!
10 years ago
I did but there wasn't any pacific website that were helpful could you pleas give me some website that would help me answer my question
10 years ago
Thank you sooooooooooooooooooooooooooooooooooooooooo much Ms. Sue
10 years ago
This helps alot
10 years ago
I agree with Skylar. Answers above are wrong. Correct ones are BDCA
10 years ago
A would be the answer. Just look them up on google translate or the spanish dictionary. :)
9 years ago
Awesome, thank you! :)
9 years ago
Thank you this helped so much!
9 years ago
7.32
9 years ago
18*3.14=56.52 56.52÷4.5=12.56 13 strands Hwa needs 13 strands to surround the patio edge.
8 years ago
I think it will be Love because love is broken!
6 years ago
This lesson is optional so i assumed it's Science!
6 years ago
You are correct, right Ms. Sue?
6 years ago
Or an better way to write it, Lacey is 47 +5 ----- 52. Or you can look up the word problem on google matter of Fact you can just add the numbers!
6 years ago
Oh that is Sweet!
6 years ago
128.6km
4 years ago