abby

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

Questions

The following questions were asked by visitors named abby.

evaluate the following expressions: tan(sec^-1(5/3)) tan(sec^-1(25/7)) cot(csc^-1(5/3)) i know the answers.. i jus don't know how to solve them =( PLEASE help me I assume your sec^-1 notation denot4es the arcsecant function, etc. sec^-1 (5/3) = cos^-1 (3/...

how do I help my son answer this question/ cary spent 1/3 of his class working on fraction problems and 3/6 of his class working on algebra problems. He spent the last 10 minutes of his class reading a chapter in his textbook. How many minutes long was th...

i need help setting this problem up. You have an insulated container of water that has a temperature of 83.2 C, you continue to add ice until the temperature reaches .6 C and you remove the excess ice, your volume increased by 79.8 mL. What amount of hot...

In the following equilibrium system, N2O4(g) <--> NO2(g), what happens to the color of the gas if the forward reaction speeds up? What happens if the reverse reaction speeds up? What happens if the forward and reverse reaction happen at the same time? NO2...

A+B <-> C+D You mix some of A and B in a closed container and the reaction begins. As time passes, what happens to the amounts of A & B? As time goes on, what will happen to the rate at which A & B turn into C + D? Was there any C & D present when the rea...

I got 2 questions for ya: 1. Calculate the new pressure of an oxygen tank at 127o C if the tank had 2200 psig at room temperature (22o C)? I used Gay Lussac's law. Here's my work: P1= 2200psi P2= X T1= 295K T2= 400K (2200x295)400= X I got 2983psi Is that...

What is the density of helium? Where can I find that info?

I have to write a paper for my bio class and the teacher is giving us alot of freedom on it. Its a research paper on many topics about the body. I chose sinus infection and lung disorders. Its way too broad of a topic. She said to really focus on it anywa...

can someone tell me how to cite a source like this: Asthma and sinusitis solutions have been recognized in the years past by the medical community [1] **But the bracketed 1 ([1]) is a superscript on community.** What is that citation called? and where can...

What is the purpose of nicotine replacement therapy? A. To reduce the number of cigarettes smoked B. To reduce the food cravings of a smoking patient who is cutting down on the number of cigarettes smoked per day. C. To replce the nicotine lost with smoki...

yeah its me again :) and thank you Writeacher for checking my answer on smoking An antihistamine used to treat a common cold is intended to: A. Decongest B. Suppress the cough reflex C. Dry secretions D. Increase mucus clearance I think it could be either...

how would I define "infection vs colonization"? Infection is the growth of a parasitic organism within the body colonization is to establish a colony in or on are those 2 definitions okay?

I have a packet of homework so I think I may post other questions that I'm stuck on later this weekend. So that's a heads up. This packet deals with Gas Laws. 1. Given 100 ml of dry gas measured at 37° C and 760 mmHg, what would be its volume at 60°C? I u...

Got a question 3. Given 325 ml of saturated gas at 760 mmHg and 25°C, what would be its volume if dry at the same pressure and temperature? I got confused when I read 'if dry' Does that mean I have to subtract something out of 760mmHg? And would I used th...

last of the homework packet questions hopefully! These questions are the ones I had the most trouble on. I have a feeling I didn't do them correctly. :( 3. Given 325 ml of saturated gas at 760 mmHg and 25°C, what would be its volume if dry at the same pre...

how do you do standard from linear equations

The Binary Ice Cream Shoppe sells two flavors, vanilla and chocolate. On Friday, the ratio of vanilla cones sold to chocolate sold was 2:3. if the store had sold 4 more vanilla cones, the ratio of the vanilla cones sold to chocolate cones sold would have...

does generation and tradition have either assonance or consonance or neither?

pronoun agreement? By the final curtain, ninety percent of the audience had voted with their feet.

pronoun reference agreement? David lent his motorcycle to someone who allowed their friend to use it.

i found most of the info. on foot binding but still am unsure about a couple. was this mainly practiced in the sung dynast in the north???? Also i could not find what particular group of people engaged in this practice??

where is the united states federal goverment located

what is a word that means the same as nation goverment

what are the indivdual right of a citzen under law called

what dose the n stand for in the math question 54-n=24

what kind of volcanoes are found in Iceland? Chile and Argentina? The Arabian Peninsula and the Middle East? thanks

The problem states that I have to come up with best possible predictor of a 100yr flood plan. Well I found that best projection and I have to state why. Could I say: The projection from the power trend line is a better indicator because with the probabili...

what is a symbol used in writing?

i have to unscrammble this word. the letters are eihmlyebt the question that comes with it is if this sign is on my dressing room door what am i?

how would you solve for x: (e^(x)+e(-x)/2)=3

-60rs/204rs Simplify

susan is buying three different colors of tiles for her kicthen floor. she is buying 25 more red tiles than beige tiles , and three times as many navy-blue tiles as beige titles. if susan buys 435 tiles altogher, how many tiles of each color does she buy?

bobpursley, I am confused to the equations that you have just posted. However, this is what I figured out but I'm not if it's correct. ((25+R)-B)+3N=435

last weekend,alans basketball team played in a tournament. alan scored 1/5of the teams points,his friend jake scored 30% of the teams points. what fraction of the teams points were scored by alan and jake?

what is the proclamation?

how did the lives of slaves differ from those of the free in the united states

ok figure 1 has one block figure 2 has 5 block and figure 3 has 9 block whats the pattern

when heated in the presence of air, 80 grms. of copper completely react to form 100 grms. of copper oxide what is the mass of oxygen that has combined with the copper? how much copper must be heated to form 300 grms. of copper oxide?

in the lab of reaction with copper copper is suppose to loose mass because it oxidates. its that right or does it gain mass thanks

Why were American political leaders so interested in the Pacific islands in the late 1800's?

true or false if false why hindus believe that souls are born and reborn many times each time into a new body which is a process called reincarnation

according the the english bill of rights, how is freedom of speech protected?

what are two actions outlawed by the english bill of rights?

a bank teller had $2750 in 10 dollar bills and5 dollar bills he had twice as many10 dollar billsas 5 dollar bills how many of each bill does he have

2/5 of 40 What is the formula to find this????

What organ receives pancreatic juices? What organ absorbs water and what organ, in animals, helps digest cellulose?? Please help me!!

The recycling center pays 25 cents per kg for aluminum cans. If her school recycles 2070 cans each day, how much money will Elsie earn each day by recycling?

Elsie is starting a recycling club at her school and hopes to use the money earned from recycling cans to buy recycling bins for the school. Elsie first needs to figure out how much the cans that can be collected at her school will weigh, so she starts by...

I am doing a project on Percy Jackson and the Olympians: The Lightning Thief. I need to five 5 Hero's Journey Archetypes, but i can't seem to think of any except for 2 which are The Underworld and The Hero. I do not have my archetypes list with me so i am...

The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes. Using the 68-95-99.7 rule, if students are given 90 minutes to complete the exam, what percentage of students will not finis...

You pull a simple pendulum of length 0.237m to the side through an angle of 3.50 degrees and release it. How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be = 9.80 . How much time does it take if the p...

An oscillator with a mass of 520 g and a period of1.2 s has an amplitude that decreases by 2.20% during each complete oscillation. At what time will the energy be reduced to 15.0% of its initial value?

At what points does the helix r = sin(t), cos(t), t intersect the sphere x^2 + y^ 2 + z^2 = 26? (Round your answers to three decimal places. Enter your answers from smallest to largest z-value.)

Use the given vector to find a vector b such that compab = 4. a = ‹4, 0, 1› ‹s, t, >

what is the formula for finding a percentage of a dollar amount??? ex. 30 % of 233 is ??? Please help me! Thanks!

List 3 components of the environment Briefly describe the major pollutant in each category and their effect on health Explain how sustainable development affects the environment

shoud i add a predicate or a subject to this sentence this baseball team.

i have this quetion and answer thing and i am having troubles with the meanings can anyone help me?

a bicycle rider left town at noon at traveled at a uniform rate of 15 miles an hour. at 2 pm the same day, a motorcycle rider left for the same place at a uniform rate 30 miles an hour higher. at what time did the motorcycle rider overtake the bicycle rid...

information about landform

A place or object used for comparion to determine whether something is in motion is called what?

Write a balanced chemical equation for the reaction for propane C3H8 burning in oxygen to for carbon dioxide and water vapor

what multiplication fact could you use to find a number that can be divided evenly by 8 and by 9

Lyla deposited $250 in an account earning 4% simple interest. At the end on one year, how much was in the account, assuming no more deposits or withdrawals?

if an astraunout could jump 40 cm on jupiter how high could he ir she jump on earth how about the moon also????? pleese help me im stuck on this question

A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 142-kg laser sensor that measures the thickness of the ice (see the drawing). The helicopter and the sensor both move only in the horizontal direction and have a horizo...

determine the molar concentration of Ca^2+ and Cl- in a .075 M CaCl2 solution

Is the saying "an apple a day keeps the doctor away" true?

you must prepare 300 mL of .750M NaBr solution using 2M NaBr stock solustion. how many mL of stock solution should you use?

how many milliliters of hydrogen at 0 degree C and 1400 mmhg are produced if 15g of magnesium reacts with sulfuric acid?

what is 8+10+2/12+4/9 in lowest term if possible

looking for antonym for "all" needs to be seven letters the 6th letter is an "n"

looking for help with apostrohe catastrophe in the following it is, use_________. if not,use_______ there is, use______. if not,use_______ who is, use________. if not, use______ they are, use______. if not, ____ or __ you are, use_______. if not, use_____...

need a word with 5 letters, 3rd letter is a "g" the riddle is "amazing tricks that seem real"

a childs ability to jump for distance is an example of a)agility b)flexibility c)explosive power d)reaction time i put b am i correct a child who has to struggle to climb into a chair is confronting an.......... hazard a)biological b)physical c)ergonomic...

a teacher requests that a child use a small stepladder to reach a book on a shelf she is helping the child develop a)primitive reflexes b)movement qualities c)locomotor reflexes d)spatial awareness i put b which of the following is an example of a closed...

object is oblong measure's 16" round and tapers and is 21" round at wides whats the volume???

True or false? Explain, all multiples of 3 are composite

An electric motor lifts an elevator 1.1 m in 13.0 s by exerting an upward force of 7.80 x 104 N. What power does the motor produce in kW?

over 8 months,the value of Alana's investments dropped a total of $56. What integer value represents the average monthly change in the value of her investments?

what is A=____,b=8.1 mm,h=16mm

a ladder is leaning up against a wall. The ladder is 8 feet long and is 3 feet away from the base of the wall. find the angle the ladder makes with the wall.

calculate the volume occupied by 10^22 molecules of a gas 300 k and 760 mm pressure. please help me please...................

A woman walks due west on the deck of a ship at 4 mi/h. The ship is moving north at a speed of 15 mi/h. Find the speed and direction of the woman relative to the surface of the water. (Round your answers to one decimal place.)

at this rate how many minivans would pass luann if 60 vehicles passed her? HINT; minivans= 15

rule= input3 output 2 input 6 output3 input 9 output4 input 12 output 5

order these fraction from least to greatest 3/4,-2/3,7/10,-5/6

Tell whether each of the following is true for all sets A, B, or C. If false, give a counterexample.? a. A-B=A- ∅ b. (A ¾B) ̅=(A ) ̅¾B ̅ c. A ¿(B¾C)=(A¿B)¾C d. (A-B)¿A=A e. A-(B¿C)=(A-B)¿(A-C)

WA -10.0 nC point charge and a +20.0 nC point charge are 15.0cm apart on the x-axis.hat is the electric potential at the point on the x-axis where the electric field is zero?

whats the uses of the element mercury?

A 33.0-L cylinder contains 481 g O2(g) at 22.5°C. What mass of O2(g) must be released to reduce the pressure in the cylinder to 6.16 atm, assuming the temperature remains constant? Thanks! :D

Hello, a few questions: Thanks so much! 1. The heat capacities of titanium and water are 0.522 J g-1 K-1 and 4.184 J g-1 K-1, respectively. What is the final temperature of the titanium-water mixture if a 175.0-g sample of titanium, initially at 90.0oC, i...

What is w when 1.27 kg of H2O(l), initially at 25.0oC, is converted into water vapour at 133oC against a constant external pressure of 1.00 atm? Assume that the vapour behaves ideally and that the density of liquid water is 1.00 g/mL. (Remember to include...

When a 6.79-g mixture of methane, CH4, and ethane, C2H6, is burned in oxygen at constant pressure, 369 kJ of heat is liberated. What is the percentage by mass of CH4 in the mixture? The standard enthalpies of combustion for CH4 and C2H6 are -890.3 kJ mol-...

Answers

The following answers were posted by visitors named abby.

thank you for helping me:) I'll search on it right now

Can you explain to me how you got the vapor pressure of water, the 23.8mmHG? How did you get that number? And so the final number component is 0.96?

an antelope, a zebra and an ostrich are entred in a 100metre race. if their top speeds are 95 km/h and 50 kn/h,respectively, caculate how many seconds after the antelope the zebra and the ostrich will complete the race?

when you have subject verb agreement, do you always follow the rule?

what is the equation for 54-n=24

math what is the problem for the equation state what the varible n represents

what dose the n stand for in the math question 54-n=24

Iceland: shield, cones, stratovolcanoes, calderas Chile and Argentina: stratovolcanoes The Arabian Peninsula and the Middle East: not too sure

bobpursley, I am confused to the equations that you have just posted. However, this is what I figured out but I'm not if it's correct. ((25+R)-B)+3N=435

but what would the 100th figure be

ok figure 1 has one block figure 2 has 5 block and figure 3 has 9 block what would the 100th figure be

1. might be going 2.did give

yes actualy thank you! :)

why is the second part incorrect

40/100=4/10=2/5 a percent is over 100-then reduce

thanks dr bob!! I remember now!

im having problems with the same worksheet, on number six i got "will wear" and action verb/TRANSITIVE. i don't know if im correct. i could sure use help on these, though.

the answer would be 50 because if he wants to be rounding to the nearest 10 then that's what it would be

i have heard it asserted by some that, as america has flourished under her former connection with great britain, the same connection is necessary towards her future hapinness... nothing can be more wrong... america would have flourished as much, and proba...

An Important Fact About YOU! Worksheet.

what factorwas the most imoprtant in improving health and medicine

Thank you Ms. Sue and Writeacher.

2160-500=1660 1660 divide by 20=83

thank you Ms.Sue

i think the answer is 3 nickels .15 9 dimes .90 18 quarters 4.50 total 5.50

it doesnt say it in my workbook

would it be c- new zealand?

i need help on learning about jefferson davis

he question representing the production of tetraphosphorus trisulfide (P4S3), a substance used in some match hears, is 8P4 + 3S8 ---> 8P4S3. Determine if each of the following statements is correct. If the statement is incorrect, rewrite it to make it cor...

number 2 is correct i got a 100% on this test

which of the following are the three major types of knowledge identified by piaget

we're in the same class!

Ah! okay! But thank you so much for answering a few!

How do you calculate the volume on the left and on the right?

no, there is no diagram. they just say it: 8p1 is the orbital number. So n=8. but i'm stuck from there. Thank you for your help.

Thank you!! You are so helpful!

If a patient is unemployed, it may be helpful to provide ________ along with addiction treatment.

This is a conservation of angular momentum problem. Now, the formula for angular momentum is: L = Iw So basically, L before = L after: I1w1 = I2w2 The trick to solving these is to figure out what the change in moment of inertia is, and then apply the conc...

these are just a few of my homework questions, i have 50 more i just need some help with these ones. i would be so happy for any help that you can give me!!!

i love this homework help program but i am trying to find an answer to this problem and all there is is the question. could you maybe help me out a little bit more by posting the answer too.

is the answer x = 11

they made a perfect pear

Thank you so much! Distributive property is what I thought it would be but I wasn't sure because the "a" wasn't in the parenthesis. I really appreciate your help!

Thank you so much for your help!!

3.4*10^4 or 34000, micahs answer is incorrect.

they are economically inefficient

im in connections as well and i already took the test, made a 100% and i got the same answers :)

that wasn't ms sue someone just put her name in the first name thing

I am from connexus

Determine whether ABCD is a reactangle given each set of vertices. Justify your answer. 1. A(-3,1), B(-3,3), C(3,3), D(3,1)

How did Roman conquests overseas affected Rome's development in the past?

What does Earth's revolution result in?

natural selection

Which principal part of the verb is used in the following sentence? You do good work in history class.

i know the answers but i don't know they process

How many cubes with edge lengths of 1/4 foot could fit in the cabinet?

Mg(s)+Cl2(g)→MgCl2(s) Express your answer as a chemical equation. Identify all of the phases in your answer.

2017 still right...wish someone could explain but oh well

fortnite girl is right!! :)

im not sure about the first one but the second two i think 2: B 3:B

Yeah, im trying to figure out yours,,,

can people acally give right answers and help !!!!

um I need help on the last one sinful

whats the anwsers

can u post all of them

the anwser is 16

correct answers are u sure

@~Belle~ These were wrong. In the subarctic climate, they ate fish and berries, they had tipis for houses, and the climate was a tundra. In the arctic climate, They ate mainly fish and meat, their housing structures were igloos, and their climate was tund...

sorry for posting this I already finished the question

Which digit(s) makes 3,71_ divisible by 3?

Elijah James is 100% right because I took the test and i used Elijah james answers and i got a 100% on the test so thank you Elijah James for the answers.

joe is 100% right i used his answers and i got a 100%.

if you said D B C E A for connexus you are 10000000000000000000% CORRECT wooooo hooooo now i have a A+ in art also CORONA SUUUUUUCKS

for connexus 1995 friend is wright D C C A A D C B B B C C A A D

TWENTY ONE PILOTTS LOVER IS !10000000000000000000000000000000000000000000000000000000000000000000000% CORRRRRRRECT i swear if i knew you i could kiss you right now

no name for you lol is 100000000000000000% correct for nowbuntil they change it so thank you bunches

171505.302 this answer looks bigt but i did it and this is the right answer

B A D B D 10000000000000000000000000000000000000000000000000% CORRECT ANSWERS THX EVERYONE WHO SAID THIS YOU HELPED ME A TON AND NOW I HAVE A A+ IN EDU TECH

OMG THANK YOU YOUR

ima keep it simple thanks mindy

thanks yango and lady lyric

sky thank you my grade just went up. I LOVE THIS WEBSITE

connexus gal is correct