Ruby

This page lists questions and answers that were posted by visitors named Ruby.

Questions

The following questions were asked by visitors named Ruby.

2.0kg block of iron transfers 180,000j to the atmosphere around it. If its initial temperature was 350 celius what is it's final temperature? If you know the specific heat of iron, you can use Q = mc(delta T).

How much sodium hydroxide, at what concentration, do I need to add to 500 mL of 0.1 N HCL to obtain pH 6.8. How do you calculate this? pH = -log(H^+) M HCl = N HCl mols = M x L. After you know mols HCl you have, then make a solution of NaOH and calculate...

mols of HCl= 0.1N X 0.5L=0.05 mols of HCl Therefore, number of mols of 2N NaOH needed to obtain pH 6.8: 0.05 mols HCL/2 = 25 mL Is this right? answered below.

What is the value of y if x = -3? y = 1 = 2(x-5) Plug in -3 for x, in the equation for y, and see what you get. I think you copied the problem wrong. Is the first = sign supposed to be a + or - sign? If not, you have already stated that y = 1. That cannot...

Solve problem by showing necessary steps to resolve. 0.06q + 14 = 0.3q - 5.2 Subract 0.06 q from both sides. 14 = 0.24q - 5.2 Add 5.2 to both sides 19.2 = 0.24 q Finally, divide both sides by 0.24 You will end up with q on one side of the equation and a n...

Find the value of y in each formula if x= -3. y + 1 = 2(x - 5) Substitute -3 for x. The first step leaves you with this: y + 1 = 2 * (-8) = -16 Now solve for y by subtracting 1 from each side of the equation.

what is a country's excess quantity of demand to a nation's? exports or imports

A steel beam is used in the construction of a skyscraper. By what fraction (change in L)/Lo does the length of the beam increase when the temperature changes from that on a cold winter day (-15 degree F) to that on a summer day (+ 105 degree F)? I got 0.0...

We are writing a paper on "Race in your Community" and I have had a hard time getting going because I live in a small town with really one ethnic group, however as I dug I started finding some minority groups are here, what I am looking for is for some op...

the question is this: suppose you want to design an air-bag system that can protect the driver in an head-on collision at a speed of 100 km/h. estimate how fast the airbag must inflate to protect the driver-- I GOT THE CORRECT ANSWER TO THIS ONE ALREADY....

Physics Homework _____________________________________________________________ 1.) A particle at t 1 = -2.0 s is at x 1 = 3.4 cm and at t 2 = 4.5 s is at x2 = 8.5 cm. What is its average velocity? Can you calculate its average speed from this data? ______...

A box is resting on a table frictionless). Determine the weight of the box and the normal force acting on it. (a) If the box was pushed down, with a force of 40N, determine again the normal force acting on the box. (b) If the box was pulled up with a forc...

i have been workin on this problem for hours and desperatly need help. Im suppose to solve the following three problems in the pythagoream theorem form and also find the ratios. Can someone pleasse help me =] Pythagorean Theorem a² + b² = c² 1.) O = 30° &...

Hi there, I am doing a presentation on Martin Luther King's March on Washington August 28th, 1963 and was wondering if you direct me to any useful links to information, videos and pictures.

You are given a wooden block that is 25cm long, 8cm wide and 3cm tall. Also, the block of wood has a mass of 350 grams. What is the density of this block of wood?

The maximum speed that a car can travel around a flat curved road is 18m/s. What would be the maximum speed for that car around a curve with half the radius?

can you check for me? Thanks Assigment: write a business letter according to the background. Background:Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The...

can someone double check for me? This is the second part to the business letter I posted a few days ago. Process: Draft an interoffice memorandum to Miriam Hopkins, the Director of Human Resources: a. Assume that you’ve received confirmation from Jeremy D...

What mass iron(III) oxide could be produced from 8.2 mol of oxygen gas in the synthesis of iron(III)?(Balanced equation)

Superphosphate, a water soluble fertilizer, is sometimes marked as a "triple phosphate". It is a mixture of Ca(H2PO4)2 + 2CaSO4. Ca3(PO4)2 + 2H2SO4 --> Ca(H2PO4)2 + 2CaSO4 If you treat 400g of calcium phosphate with 267g of sulfuric acid, how many g of su...

how can you condense these cos^3x* cos2x^2 cos^3x- cos2x^2 Thanks a lot :)

Given Tangent theta = -5 on 4 and cos theta >0, find sine theta and sec theta

on the same set of axes: (0 degrees is greater than or equal to x and x is less than or equal to 360 degrees) (a) sketch the graphs of y= sin degrees ,y=2sinx degrees and y=sin2x degrees

briefly: what is vietnamisation?

Simplify:2sec^2A-2/4tan A...Please help,anyone who can answer

please help me answer this question: A pilot sets to fly from B to A and wishes to set a course to offset a 32 km/h easterly wind.The aircraft can fly at the speed of 800km/h in still air. A is 256 from B in a bearing of 330 degrees. a)on what course must...

Please help me answer this question; 1.A metal gutter open at the tops and ends, is bent up from material 30 cm wide to form a rectangular cross section. a) If the base of the gutter is x cm wide, find the height of the gutter. b)Show that the area of the...

1.The largest of the salivary glands is the A. Submandibular B. Sublingual C. Minor D. Parotid 2.The portion of the tooth that is used for mastication and is visble in the oral cavity is the A. Cervix B. Crown C. Root D. Gingiva 3.The ____ makes up the su...

Which is the correct symbol to make the resulting inequality true? 4 4/3 > 4 1/2 Or 4 4/3 < 4 1/2 What does this mean?

Write in expanded form. 7.37 Is this the correct answer? 7+3/10+7/100

Round to the nearest hundred. 483.9 Is 500 the correct answer?

Find the median of the numbers 3, 6, 10, 12, 27, 62 How do I answer this?

The company Acceptance had employees with monthly salaries of $1,700, $1400, $7,000, $1550, and $2,500. Find the median of these salaries. How do I answer this?

Mrs Li bought some oranges. She gave 1/2 of them to her sister, 1/4 of the remainder to her neighbour, 3/5 of those left to her children and had 6 left in the end. How many oranges did Mrs Li buy? Explain your workings

A man walked for some distance at 8 km/h, and for an equal distance at 5 km/h. The total time he took was 13/4 hours. Find the total distance he walked. Explain your workings

Add. (-6) + 11 Is 5 the answer?

Subtract. -3 -16 Is -19 the answer?

4•(-5) Is 20 the correct answer?

Divide -60/10 Is -6 the answer?

Please check my work. 1) 64 divide -4 = -16 2) -144 divide (-9) = 16 3) Simplify -9 and a small 2 = -81 4) Simplify (-3) and a small 3 = -27 5) Add -4/11 + 5/11 = 1/11 6) subtract 5/11- [-3/11] = 8/11 7) multiply [-7/8] • [-2/4] = 7/16 8) divide -3.5 -5.6...

How do I write the numbers in order from greatest to least and show my work 0.275, 2 5/8, 0.15, 3 6/7

Amandeep decides to grow a vegetable garden. She wants to make it 10.1m long and 4.2m wide. She is worried about rabbits eating from her garden so she builds a fence around it. The fence will be 11.2m long and 5m wide. What is the area between the fence a...

suppose you use the rule (3x+1,3y-4) to transform the original figure into a new figure. How would the side lengths of the new figure compare to the side lengths of the original? I need help fast. Thank you so much.

Simplify the expression cos^2 x (sec^2 x-1)

h2c4h4o4 + 2naoh --> 2h2o + na2c4h4o4 as for the previous question im sorry i forgot to plug the maleic acid in the formula properly. so this ones it ^ .2213 of c4h4o4 used (maleic acid) and .1 M NaOH 1. show the equation for 1st and 2nd ionization 2. fin...

300-word summary of your business research process by describing the business research proposal from your experience in the workplace or in an article you find through the University Library

Approximate the square root of 64.3, y=x^(1/2). Starting point is the square root of 64.

Why do humans use running shoes, winter boots, snowshoes, skis and flippers? Why are these not biological adaptations? Use animals as examples.

2. Read the following paragraph from “A Tremendous Trade”: It might not seem fair, but in every profession, workers earn whatever people are willing to pay them. Baseball is no exception. Teams compete to offer as much money as they can to players who are...

pH pH ( strip c : 8 ) dark green pH ( strip d : 3 ) purple - suppose u mix togather equal amounts of the solutions that produced the results of strip c and d , then test the pH of this new solution. What color will the indicator paper be? Explain .

Suppose u place a beaker containing a solution in the refrigerator. An hour later, white solid found at thr bottom of beaker, wat hapoened? Why?

If Logan's family can drive 23.125 miles on 1 gallon of gas, how far can they drive on 17 gallons?

Given ________, – 243, – 226, – 209, – 192, – 175, … a. What is the 67th term of the sequence b. What is the series of the first 27 terms of the sequence

True or False 1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence. 2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term. 3. In an arithmetic sequence, the common difference is computed by subtracting the first term...

1. Why cant you use the formula of the infinite geometric series on 1/81 + 1/27 + 1/9 + 1/3 + ..... 2. Using concepts of infinite geometric series, show that 0.9999 ..... = 1.

1. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 2. In the sequence 2, 6, 10, … , what term has a value of 106? 3. Solve for the 101st term of the sequence: 6-p, 4+p, 2+3p, 5p, … .

What is 1/8 - 3/5? 1/8 - 3/5 = 5/40 - 24/40 = 19/40

It's direct indirect objacts stuff can someone help me

Remove the xy-term by rotation of axes, reduce the resulting equation to standard form and trace the curve on the new axes: 16x^2-24xy+9y^2-60x-80y+100=0

What is the square root of 23 subtracted from square root of 37 divided by square root of 23 added to square root of 37??

1. White 17/4 as a mixed number. Hi, could someone please explain how to do this? Correct me if I’m wrong but do I try to multiply 4 x how many times I can before it goes to 17 and the number I get is the whole number and the newmerator is the numbers lef...

For f(x) = 0.01(2)^x, find the average rate of change from x = 2 to x = 10. A.1.275 B.8 C.10.2 D.10.24

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 66 people took the trip. She was able to purchase coach tickets for $150150 and first class tickets for $11601160. She use...

I have a few questions that I'm stuck on. 1. Identify how the pronoun is used in the sentence. Just today Terry bought a picture for her. direct object indirect object object of a preposition*** (I think this is the answer because of the preposition for h...

By what percent will a fraction increase if its numerator is decreased by 10% and its denominator is decreased by 50%?

Assuming the earth to be a sphere of radius 6370 km.If seventy five percent of the earth's surface is covered by water, then find how many square kilometres is area of the land.

1.The management committee of Zenith has indicated its desire to accept only 40% of all continuing undergraduate based on the results of the end-of-second semester examinations.the mean score of the examination is 500 and standard deviation of 100.Find th...

A survey of mobile call interconnectivity indicates that the average time it takes to connect calls from one network to the other is 25 seconds.Assume the variable is approximately normally distributed and the standard deviation is 4.5 seconds.if 80 calls...

1. MULTI-STEP PROBLEM There are 5743 known amphibian species in the world. Of these, 1856 species are judged to be at risk of extinction, and another 113 species may already be extinct. a. Find the probability that an amphibian species chosen at random is...

The potential energy of a projectile at its maximum height is equal to its kinetic energy there . If the velocity of projection is 20m/s its time of flight is ?

How do I correctly punctuate this sentence? Carol couldn't start the car after leaving the football game fortunately however Roger came along and spotted the trouble quickly. I think the answer is: Carol couldn't start the car after the football game. For...

Hi! I really need to do well on this quiz, can someone check my answers? 1. What can you infer from this sentence near the stat of "The Story-Teller" Most of the Aunts remarks began with "Don't" and nearly all of the children's remarks began with "Why" A....

Please answer as soon as you can I need help figuring this out :) Which number is greater than 5.5 x 10^-7 and less than 5.5 x 10^7? A. 1.8 x 10^-12 B. 6.7 x 10^8 C. 5.2 x 10^3*** D. 3.9 x 10^-3 If you know what the answer is can you, if at all possible,...

Please help me I don't understand what to do for this, as I haven't learned what to do if I need to find the average of something in Scientific Notation. I tried doing it using division, but I got 0.62 x 10^2, which isn't one of the choices. Could someone...

What makes the statement true? 7^-2=? A- 49 B- 1/49*** C- 14 D- 1/14 Am I correct?

On the first part of a trip to Carmel traveling on the freeway, Marge averaged 70 mph. On the rest of the trip, which was 25 mi longer than the first part, she averaged 60mph. Find the total distance to Carmel if the second part of the trip took 30 min...

The mass of a 10p coin is 6.5g.What is the mass in kilograms of £20 in 10ps?

Laura is moving up to the attic and wants to paint a wall white. The wall is a triangle with a base of 7.5 feet and a height of 12.25 feet. What is the area of the wall? Please help me!!

I have no clue how to solve these, could someone help me? For questions 6-8, multiple the following polynomials. 7. 4a(a^2+7a+4) A. 4a+28a^2+16a B. 4a^3+28a^2+16a C. 4a^3+44a D. 44a^4 8. (2y-3)(3y-2) A. 6y^2-13y+6 B. 6y^2-13y-6 C. 6y^2+13y-6 D. 6y^2+13y+6

A metal plate infused with excess electrons will attract a proton placed nearby?

2. ¿Conocen a mi amiga Maria? A. Sí, conocen a tu amiga Maria. B. Sí, conocemos tu a amgia Maria. C. Sí, saben a tu amiga Maria. D. Sí, sabemos a tu amiga Maria. D? 3. ¿_____ tú dónde estáb la biblioteca? A. Conoces B. Sabemos C. Conozco D. Sabes A? 4. No...

I understand the role of enzymes in chemical reactions but metabolism is the sum of all the reactions in a cell or in the body. So how do enzymes control metabolism? Can they change the number of reactions in a body or can enzymes just control the chemica...

Which of the following features of the online textbook will allow you to receive extra instruction on a topic?

Which resource provides instruction and practice related to the content in the online textbook?

Unit 1: ready, set, succeed- lesson 2 3. C or D ?? 4. A ? Please help

Find the smallest value of x for which the following curve has vertical tangent lines: y= x^2 + xy^2 - x/ x^2

A dried pea is fired from a plastic drinking straw that has a mass of .50g. If the force exerted on the pea averages 0.4 N over the 0.10 s flight through the straw, (a) at what speed will the pea emerge? (b) what was the impulse imparted to the pea?

A heat lamp produces 20.0 watts of power at a wavelength of 6.7 μm .

Answers

The following answers were posted by visitors named Ruby.

Thank you for your advice. I like how that sounds The paper is a challenge I am a very non racial person and the town I live in is small and really has non of the issues I need to write about, that I am aware of at least, I am sure some exist...

THANX SOO MUCH!! YOU ARE AWESOME!!

kk, thanx, that's what i thought, but my physics teacher said it is possible. I don't understand.

The tropical rain forest aer home to over_of the world's species of life.

What are the consequences of seperarating mental health from physical health caare

Revised: And thanks for your help. Broadworth General Hospital 123 Main St. Boston, MA 41467 February 13, 2010 Jeremy Dittmer, Employee Relations Specialist Wydade Consulting Services 456 Apple Way Anytown, MA 12345 Dear Mr. Dittmer, I am writing to you t...

I don't understand the June 30,2010 part. Shall I put June 30th, 2010? Corrected: There will be twenty office supervisors attending, and light refreshments will be provided for breaks.

here's the memo part, the email part will come later. and I understand the date and time thing now. I need to put a period between a.m. process: 3. Draft an interoffice memorandum to Miriam Hopkins, the Director of Human Resources: a. Assume that you’ve r...

Hi Christina, The offspring of true-breeding parents are called the a) F1 generation. Think of it like in human families: the parents have the first generation of kids. Then, when THOSE kids have kids - producing grandkids - that's an F2 generation. So Px...

BLAH BLAH BLAH BLAH AND TY FOR THE BRACES ANSWER

thanks very much.

Yes, the question should be : 2(sec^A -2)/4 tan A

(-6+3=y) the following equation given is a linear function:(general formula is y = mx+c)..where m = the gradient, and c= the y-intercept.hence in the equation given; m is= -6, & c=3. to find the x-intercept, make y = 0. eg. -6x+3=y -6x+3=0 -6x=-3 -6x/-3=-...

(2^2)+(7^3)+(4^3)+ 3 + 4 +(3^2) =? (2x2)+(7x7x7)+(4x4x4)+3+4 +(3x3) =? 4+ 147 + 64 + 7 + 9 = 231

thank you very much for your help.

So 10+12=22 22divide by 2 = 11 Is 11 the correct answer?

I figured that but I thought I had to do some adding then divide it by two. Idk I think I'm a bit confused. Thank you

Ah yay! Thanks miss sue!!

Please help I have school tomorrow.

Is the answer 191.7m2.

Use formula LCM x GCF = product of two numbers GCF = 180 / 60= 3

17*23.125=393.125

Yea rachel is right i just got 100% too

Its 2€g longer£ brcasuse £¥ its equvrnt

My answer are all true except for number 4 which is false. Am I right?

So here's our question " Chet bought a rug that cost $280. He had a coupon for about 10% off" now here is our two questions how much did he save with the discount?? And our other one is how much did he pay he paid 130

I’m in 7th grade too =)

Alright so is the way I explained it correct?

Haha flvs? Right. Me too.. I'm taking this quiz right now

Did you ever get the answer?

Five friends went to a baseball game. Three of the friends each bought a ticket for x dollars and a soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money spent

Thanks Ms Sue, 1 was D and 2 was A

It was C thanks

Thank you so much Ms. Sue

Sanasule Kaneki Kirishiki 100% correct thanks!

Anyone in Connections Academy in 8th grade looking for this answer, it is located on Key Concepts 2 in Unit 4 Lesson 1 Science course! Good luck, I am on the same thing.

Ethan's bae and I have no friends IS NOT correct! Don't believe him! I was taking the test and changed 5 of my answers because I came on here to check them, and thought they were right not mine. I got 5/10 and now have a C+ in the class when I had a B. He...

The mass of a 10p coin is 6.5g.What is the mass in kilograms of £20 in 10ps?

I believe the answer would be 7.4 cubic meters

I think it's A.) less than $5,000

Sandra was correct the answer is 14.2 bags.

Loss of 2 electrons

Ms. Sue, you did not help at all. I think you are a fake because the real Ms. Sue would've explained the problem and actually help rather than insulting a child. And even if you are the real Ms. Sue, what the hell is your problem, lady?? That is no attitu...

Okay here is how to get the answer, since Ms. Sue literally didn't help at all. First, in the question it said that the probability of the white socks are 4/9 and the black socks are 7/18. 7/18 can't be simplified and neither can 4/9, so, we'd have to mul...

At last, the real Ms. Sue coming in to help instead of those idiotic impersonators. Bless your heart, Sue!

Yes, Mystery is 100% correct for students attending Connections Academy/ Connexus. Those answers are for the Dragonwings Chapter 12 Quiz.

Ms. Sue, you could at least give her a damn hint? Honestly, saying that she should use her brain doesn't HELP her. She isn't asking for the answers, just for HELP. Here, I looked up the definition of HELP for you, since you probably don't understand what...

My apologies. Her/ Him I meant.

This does not help okrr ok it's done

Why does everyone go to Primavera? Kind of weird

Good job u guys

I need help on the chinese dragons

Also, if they can change the number of reactions in a body, how?

writeteacher, thanks

1. True 2. False 3. C 4. B 5. C 6. False 7. True 8. B 9. A 10. B

3. Which resource provides instruction and practice related to the content in the online textbook? 4. Which of the following features of the online textbook will allow you to receive extra instruction on a topic?

1. C 2. B 3. B 4. A

1. B 2. B 3. A 4. D 5. B 6. A 7. C 8. C 9. B 10. A and B

1. B 2. A 3. B 4. A

1. C 2. B and C 3. B 4. D 5. C 6. Square root of 479 is 21.8..round to 22 ft 7. 62

1. A 2. A 3. True

1. C 2. B 3. A 4. D

1. A substance made up of only one atom is an element 2. Milk is a colloid 3. A mixture that appears to contain only one substance is a homogeneous mixture 4. Water is a compound because it always has 2 hydrogen atoms for each oxygen atom 5. A jar of mixe...

1. C 2. C 3. A 4. D 5. C

1. C 2. C 3. A 4. D 5. C

1. D 2. A 3. D 4. B 5. A

1. D 2. A 3. C Will add more when I get them

1. B 2. C 3. A 4. B 5. A 6. C 7. B 8. B 9. B 10. C

So far I have 1. D 2. B 3. B 4. C 5. B 6. D 7. A 8. E

So far I have 1. D 2. B 3. B 4. C 5. B 6. D 7. A 8. E 9. B 10. A 11. C 12. C 13. A 14. B and D

So far I have 1. D 2. B 3. B 4. C 5. B 6. D 7. A 8. E 9. B 10. A 11. C 12. C 13. A 14. B and D 15. C 16. A 17. C 18. B

1. D 2. B 3. B 4. C 5. B 6. D 7. A 8. E 9. B 10. A 11. C 12. C 13. A 14. B and D 15. C 16. A 17. C 18. B 19. C

1. B 2. D 3. A 4. A

1. True 2. True 3. False 4. True 5. False 6. False 7. False 8. False 9. True 10. True

1. A 2. C 3. C 4. B 5. D 6. A 7. A I have done so far

1. A 2. C 3. C 4. B 5. D 6. A 7. A 8. B 9. C 10. C 11. D 12. D 13. A 14. A 15. C 16. B 17. D 18. A 19. D