Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 1,199

**Chemistry**

I have an exam in a day and I'm confused on how to solve this question. Do I use PV=nRT? Do I find out the molecular formula of the gas from the percentage of nitrogen and oxygen? A sample of a mixture of gases contains 80.0% nitrogen gas and 20.0% oxygen gas by volume. Ca...

**Physics**

A skier swoops down a hill and over a ramp. She starts from rest at a height of 18m, leaves the ramp at an angle of 45 degrees, and just clears the snowman on her way down, making an angle of 30 degrees with the vertical as she does. Assuming that there is no friction, and tha...

**decimals**

a number has four digits. the digit in the hundredth place is greater than the digit in the hundreths place of 4.361. the digit in the thousandths place is greater than the digit in the tenths place of 2.85. what are the possible four-digit numbers between 8.6 and 8.7?

**decimals**

` a four digit number between 12 and 13 has an odd number in the hundredth place and an even number in the tenths place. the hundreths digit is greater than the tenths digit. the sum of the tenths and hundreths digits is 9. what are possible four-digit numbers?

**Chemistry**

Thank you so much!

**Chemistry**

Balance Redox using reactions by the 1/2 reaction method. NaIO3 (aq) + KI (aq) -->„³ I2 (s)

**Health and Physical check answers**

My Answers: #1) Greater coordination #2) Healthcare providers #3) Speak with a nurse about the product. #4) Amy convinces Briana to pick on the new student on their softball team. #5) Act #6) Walk away. #7) exercising every day for 45 minutes #8) Cindy and Marcus have a health...

**Health and Physical check answers**

My Answers: #1) Greater coordination #2) Healthcare providers #3) Speak with a nurse about the product. #4) Amy convinces Briana to pick on the new student on their softball team. #5) Act #6) Walk away. #7) exercising every day for 45 minutes #8) Cindy and Marcus have a health...

**math**

If Tom buys a red skateboard, then Anne buys pink in-line skates." Which statement below is logically equivalent?

**Math ~ Check Answers ~**

#5 X: 0, 1, 2, 3 Y: -4, -3, -2, -1 a.) -1 b.) 1 c.) -4 d.) -7 (My Answer)*** #6 X: -1, 0, 1, 2 Y: -4, -1, 2, 5 a.) -5 b.) -3 (My Answer)*** c.) -1/3 d.) 3

**Driver Education**

Attention fatigue is the result of (1 point) physical exertion. boredom. mental exertion. lack of sleep. 2. Fatigue affects your ability to (1 point) understand traffic signals. perceive and respond to threats. recognize objects. avoid pedestrians. 3. The body's natural rh...

**psychoanalyst**

This passage is mostly about:

**math 2**

judith has a necklace with a mass of 65.736 grams. what is the mass of her necklace rounded to the nearest tenth?

**math**

1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent

**Psychology**

Managing time means:

**chemistry**

what is the pH of 0.80 M NaCN? what is the pH of 0.80 M NaCN? What is the concentration of HCN in the solution? I did this so far: I 0.8..... 0....0 C -x.......x....x E 0.8-x....x....x (x)(x)/0.8-x How do I solve for x?

**Online learning**

This technology allows the online learner to connect to the online school in order to access the courses

**Business**

This technology allows the online learner to connect to the online school in order to access the courses is called what?

**math **

what is the formula to find the percent increase in profit

**English**

is it true or false External motivation is not desirable

**English**

Internal motivation is

**chem090**

100.0 g of Potassium Phosphate reacts with 100.0 g of Barium Chloride. Which molecule is completely used up by the reaction? How many grams of the other molecule are left over? When I started with 100.0 g of K3PO4 I got 147.1g of BaCl2. When I started with 100.0g of BaCl2 I go...

**chem090**

100.0 g of Potassium Phosphate reacts with 100.0 g of Barium Chloride. Which molecule is completely used up by the reaction? How many grams of the other molecule are left over?

**Computers**

This technology allows the online learner to connect to the online school in order to access the courses.

**physics plz help**

i tried but I am getting incorrect answer

**physics plz help**

there were options.

**physics plz help**

equation that i can integrate

**physics plz help**

I need help in calculating work. following quantites are given. * G: 6.67E-11 *Mass of earth:5.98E24 *mass of satelightt:80kg *x(initial) center of the earth-7E6 m *x(final) center of the earth 12E6 m How do I make integral equation I need use 20 interval or calculate in excel...

**physics/calculus**

I need help in calculating work. following quantites are given. * G: 6.67E-11 *Mass of earth:5.98E24 *mass of satelightt:80kg *x(initial) center of the earth-7E6 m *x(final) center of the earth 12E6 m How do I make integral equation I need use 20 interval.

**english**

i need help with chapter 10 and 11 sentence check 2

**Trigg**

thank you!

**Trigg**

In a predator/prey model the predator population is modeled by the function y=1000 sin (2t) +400. What is the smallest population according to this model?

**Trigg**

thank you!!

**Trigg**

How do I find a rectangular-coordinate equation for the curve by elimination the parameter? x=2 sin t, y= 4 cos t so far I have x= r cos(theta) and y= r sin (theta) but, it's the opposite. please help.

**Science**

Thanks! :D

**Science**

Jill is jumping on a trampoline in her backyard. When will she have both potential and kinetic energy? A. Halfway between the highest point and the lowest point of a jump B. At the highest point of a jump C. At the lowest point of the jump D. Just before she begins a jump

**Math**

5 - (16 tenths) = 3.4

**chemistry**

can you not help me?

**chemistry**

chemistry is my weak subject hence why i am on here to get help. I have online questions that need answering in a day and im stuck that's the truth. I have to fnd someone that I might have to pay then looks like it... :(

**chemistry**

I really don't have a clue

**chemistry**

3PbO2 + 2Cr3++ 2H2O3Pb2+ + 2CrO42-+ 4H+ In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 1.name of the element oxidized: 2.name of the element reduced: 3.formula of the oxidiz...

**chemistry**

SO42- + HAsO2+ 2H+H3AsO4 + SO2 In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 1. name of the element oxidized: 2. name of the element reduced: 3. formula of the oxidizing ag...

**chemistry**

it's not duplicate they are all different questions but similar

**chemistry**

3PbO2 + 2Cr3++ 2H2O3Pb2+ + 2CrO42-+ 4H+ 1. In the above reaction, the oxidation state of chromium changes from (answer) to (answer). 2. How many electrons are transferred in the reaction?

**chemistry**

SO42- + HAsO2+ 2H+H3AsO4 + SO2 1. In the above reaction, the oxidation state of sulfur changes from (Answer) to (Answer) 2. How many electrons are transferred in the reaction?

**chemistry**

i dont know much about chemitry thats why its confusing I don't know how to calculate them

**chemistry**

sorry i am stuck on many questions thats why used diff names. i need help and be grateful if u can help but most questions I dont know how to work it out.

**Math**

But aren't there only 2 angles? I'm confused.

**Math**

But how do you get 60?

**Math**

The directions that came with the kite pattern that Andre ordered on the internet said to cut out 2 supplementary angles so that the measure of one is twice the measure of the other. How many degrees are in each angle? Justify your answer.

**Sports**

Thanks! for the info.

**Sports**

so the answer is badminton

**Sports**

shuttlecock

**Sports**

is played with a Birdie & a racket.

**Sports**

2. beach paddle ball ?

**Sports**

The sport of Association football is quite different from football in American culture. In the statements provided, select the one in which association football and american football are not similar. having players wear cleated shoes having players kick the ball during the gam...

**Sport Strategies ~ Football**

Thanks!

**Sport Strategies ~ Football**

My answer is c. using a ball that is not a sphere. ^^^^^

**Sport Strategies ~ Football**

The sport of Association football is quite different from football in American culture. In the statements provided, select the one in which association football and american football are not similar. a. having players wear cleated shoes b. having players kick the ball during t...

**Math ~CHECK MY ANSWERS~**

1) Which of these is a rational number? a. Pi b. square root 3 ****** c. square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? A. square root 120, n, square root 3 ****** b. - square root 256, 1/9, 1/12 c. 3.14, -47,...

**Grammar ***NEVER MIND*****

The answer is c) Introduction, body, conclusion .

**Grammar ***PLEASE ANSWER*****

Is it C ?

**Grammar ***CHECK MY WORK PLEASE*****

Is it C ? Please answer?

**Grammar ***CHECK MY WORK PLEASE*****

What are the three main parts of a research report? a) Title, body, conclusion ********* b) Introduction, body, sources c) Introduction, body, conclusion d) Introduction, evidence, conclusion

**Grammer ~CHECK MY WORK PLEASE~**

Thanks!

**Grammer ~CHECK MY WORK PLEASE~**

Which of the following sentences is correct? a) Mr. and Mrs. Smith goes on vacation. b) Mr. and Mrs. Smith has gone on vacation. c) Mr. and Mrs. Smith have gone on vacation. ********** d) Mr. and Mrs. Smith is going on vacation.

**Language Arts ~CHECK MY WORK PLEASE~**

Thanks! for checking :)

**Language Arts ~CHECK MY WORK PLEASE~**

OK, THANKS!FOR THE HELP GUYS!

**Language Arts ~CHECK MY WORK PLEASE~**

OOPS SORRY The railway lines has been linking more and more cities together.

**Language Arts ~CHECK MY WORK PLEASE~**

1. What can you predict about the poem by previewing the title, subtitle, and first line of the poem "In response to executive order 9066"? a.) It will be a letter to the Japanese-American citizens in which they are told they must leave their homes. b) It will be a l...

**trig**

csc^4-cot^4= 1+cos^2/sin^2 i need help! please help me

**social studies**

Thanks Ms. Sue!

**social studies**

why Washington, D.C. was chosen as the United States capital? NO LINKS PLEASE!!!!

**social studies**

the U.S. signed a peace treaty with the British treaty of pairs there both the same thing or meaning?

**social studies**

ok thnx. sorry for the comment ^^^^ Ms. Sue !!!!!!!!!!!!! ^^^^^ Sorry!

**social studies**

Ms. Sue !!!!!!!!!!!!!

**social studies**

Month: April ? Year: 1803 ?

**social studies**

Ms. Sue is this right? Month: October ? Year: 1803 ?

**social studies**

What month did Thomas Jefferson bought the Louisiana purchase?

**social studies**

oh yes sorry.

**social studies**

other reasons why?

**social studies**

ok, thnx oh and one more. Why did Thomas Jefferson send Lewis and Clark on their expedition to the west? (no links please, i need to know why?)

**social studies**

is this correct and true? Why did Jefferson send Lewis and Clark on an expedition out west? 1. To explore the Louisiana purchase 2. Find the northwest passage 3. To research the plants and animals of the Louisiana Purchase

**social studies**

Thnx both.

**social studies**

why Lewis and Clark went on the expedition?

**History**

why was the Lewis and Clark expedition important?

**Math ~CHECK MY WORK PLEASE~**

OK I understood, Thnx for answering fast!

**Math ~CHECK MY WORK PLEASE~**

Hello, Please check my answers, with stars (*) are my answers! Please check if they are wrong please tell the right answer and why it is right (explain it) so I can understand why! Thanks! For questions 1-2, solve the inequality. 1.) x + 8 < -28 a~ x < -36 ****** b~ x &l...

**Math**

Ok, I under stand thnx. Ms.Sue!

**Math**

a.) Solve a - 9 = 20 b.) Solve b - 9 > 20 c) How is solving the equation in part a similar to solving the inequality in part b? d.) How are the solutions different?

**MATH**

Victor Malaba has a net income of $1,240 per month. If he spends $150 on food, $244 on a car payment, $300 on rent, and $50 on savings, what percent of his net income can he spend on other things?

**Physics**

A cheetah can accelerate from rest to 24.1 m/s in 2.02 s. a) Assuming the acceleration is constant over the time interval, what is the magnitude of the acceleration of the cheetah? b) What is the distance traveled by the cheetah in these 2.02 s? c) A runner can accelerate from...

**algebra 1**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). How do I graph it?

**Math**

SO I PUT number of lawns x=4 2 2 3 1 and number of hrs y= 3 5 2 5 1 ?

**Math **

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). How do I graph it?

**Science**

Is Tn and Co an element or a compound?

**Math**

In golf, the average score a food player should be able to achieve is called a par. par for a whole course is calculatedby adding up the par scores for each whole. Scores in golf are often expressed at some number either greater than or less than par. ms. Floop is having a pre...

**organic chemistry**

1if you open the tert-butyl chloride and tert-butyl bromide to the air for few hours? What happened to the ratio of the halide mixture during this time? (2-methyl-2-propanol reaction )

**Math**

thanks

**Math**

Julie has been offered two jobs. The 1st one pays $400 per week. The 2nd job pays $175 per week plus 15% commision of her sales. How much will she have to sell i n order for the 2nd job to pay as much as the first? how do you do this? i dont know the steps to.

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