# Posts by Jenny

Total # Posts: 1,619

math
A girl walks 3/4 of the way home in 18 minutes. At the same rate, she can walk the rest of the way home in A. 4 1/2 minutes B. 6 minutes C. 9 minutes D. 24 minutes

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. ...

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 ...

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?

Math
u57r65

Chemistry
Thank you so much!

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

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 ...

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 ...

Algebra
To find when the ball's height is 7 meters, we substitute 7 for h and solve for t . =7+2?25t5t2 In order to solve for t , we first rewrite the equation in the form =+at2+btc0 . =+?5t225t50 Next, we use the quadratic formula to solve for t . =t?b±?b24ac2a Our ...

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

#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 ...

psychoanalyst

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

Statistics
b.) .955

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

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 ...

algebra Word problem
I have the same question except mine is 5 years. Using this formula, I don't even come close to the correct answer in the book. Please advise.

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 ...

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 ...

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 don't know much about chemitry that's why its confusing I don't know how to calculate them

chemistry
sorry i am stuck on many questions that's why used diff names. i need help and be grateful if u can help but most questions I don't 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

Sports
shuttlecock

Sports
is played with a Birdie & a racket.

Sports

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 ...

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 ...

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 .

Is it C ?

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

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 ...

trig

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?

OK I understood, Thnx for answering fast!

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 &...

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...

math
Ms.Hernandez has 17 tomato plants that she wants to plant in rows.She will put 2 plants in some rows and 1 plant in the others.How may different ways can she plant the tomato plants? make a table to solve.Ms.Hernandez can plant the tomato plants.....ways.

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 ?