Saturday
October 1, 2016

Posts by katie

Total # Posts: 1,986

Math
The area of a rectangle is 12 square feet. What are all the possible integer values of its perimeter? I got: 1. all sides equal to 3 2. 5, 5, 1, 1 3. 4,4,2,2 Did I miss any combinations?
January 30, 2016

Math
A rollercoaster travels at 120 miles per hour on its track for 3 minutes. A. 3 minutes is what part of an hour? B Use a formula and your answer from above to calculate the distance traveled. A. I got 1/20 or 5% B. Not sure what formula to use. But I got .40 of a mile What do ...
January 30, 2016

Math
Got it now! Thank you!
January 28, 2016

Math
49^2 is 2,401 is that the area of the tablecloth? The back of my book has the answer as 2704, did I forget to do something?
January 28, 2016

Math
A square table has an area of 2116 square inches. A tablecloth hangs 3 inches over each end of the table. a. What is the length of one side of the table? b.What is the area of the tablecloth? a. I know is 46 inches Please help me to figure out b. Thank you.
January 28, 2016

Algebra
Thank you!
January 27, 2016

Algebra
I just need help setting up the equation - the rest I can do on my own: A man built a walk of uniform width around a rectangular pool. If the area of the walk is 253 square feet and the dimensions of the pool are 9 feet by 3 feet, how wide is the walk?
January 27, 2016

language Arts
In the excerpt from Barrio Boy, what makes Ernesto similar to several of his classmates?
January 25, 2016

English
Thanks James :)
January 24, 2016

English
THANK YOU AUSTRALLIAN DUDE! OMG I GOT THEM ALL RIGHT (Exept for one but thats okay your awesome 16 was really theirs.) Thanks again!! :)))
January 24, 2016

Math
A can containing 3 tennis balls has a volume of 128/9pi cubic inches. If the height of the cylinder is 8in., what is the diameter of each tennis ball. Please explain how to do this.
January 21, 2016

Math
Mary bought a roll of ribbon. After using 5/8 of the ribbon to decorate some packages she had 15ft left how many feet of ribbon did she buy
January 20, 2016

PHYSICS
In your moving car, you covered 2.0 m during the first 1.0 s, 4.0 m during the second 1.0 s, 6.0 m during the third 1.0 s, and so forth. Find the acceleration.
January 13, 2016

Poetry
Jadore is right thank you!!! <3333
January 12, 2016

Math
Thank you! 21y 21 X 42= 882 I get it! Thank you!
January 12, 2016

Math
An orchard has enough space to plant 21 rows with y trees in each row, or 18 rows with y+7 trees in each row. If each orchard plan contains the same number of trees, how many trees can each orchard contain? *I know the answer is 882 trees. But, I have no idea how to set up the...
January 12, 2016

Algebra
Thanks Damon I tool all the notes on the lessons that they gave me I just counldnt figure out what to do because all of the examples didnt have this kind of formula. Thanks again
January 8, 2016

Physics
Then air exerts a forward force of 8 N on the propeller of a 0.25 kg model airplane. If the plane accelerates forward at 1.8 m/s^2, what is the magnitude of the resistive force exerted by the air on the airplane? Answer in units of N.
January 7, 2016

4 grade division
Do you mean 368/6? 6x6=36 with zero left over, next step, Bring down the 8 6 goes into 8 one time with 2 left over so 61 r2
December 24, 2015

Physics
The driver of a car is going 30 m/s slams on his brakes, the car's tires lock, and the car skids to a stop on a level roadway. The kinetic coefficient of friction between its tires and the pavement is 0.75 as it slides. Draw a free body diagram of the car, find its ...
December 22, 2015

math
OK what?
December 17, 2015

math
Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions. I have no idea?
December 17, 2015

math help plz?
Ok thank ya'll so much. :)
December 17, 2015

math help plz?
So its D?
December 17, 2015

gRammar
True
December 14, 2015

Math
Ok, I get it now. Thank you.
December 5, 2015

Math
The length of a rectangle is 5 inches less than 3 times the width. The perimeter of the rectangle is 14 inches. Find the length and width of the rectangle. I did this: Length 3x-5; width 3x Then I did guess and check and came up with X=2 solving the problem with a perimeter of...
December 5, 2015

Math
Jim uses ribbion to make bookmarks. Jim has 9 feet of ribbion. He uses 1/3 foot of ribbon to make each bookmark. What is the total number of bookmarks J makes with all 9 ft of ribbon?
November 29, 2015

math
Maybe they are asking how much was added to get 4.87? Then you would subtract 4.87 and 3.93 to see how much was added.
November 29, 2015

Math
Yay! Thank you!
November 28, 2015

Math
I found x=4 and y=8 is that right? Then I found the area is 16. Is that right?
November 28, 2015

Math
A right triangle is formed by the origin and the x and y intercepts of the line 14x+7y=56. Find the area of the triangle. I know that Area of a triangle is 1/2bh, but how do I find the base and height? Thank you.
November 28, 2015

Math
Thank you!
November 28, 2015

Math
One triangle has side lengths 3,5, and 6. A similar triangle has side lengths 18, 15 and 9. Which of the following ratios is the scale factor of the triangles? A 1/6 B 1/3 C 1/5 D 2/3 The answer is given as B, but I don't understand why or how to get that. Please help.
November 28, 2015

Math
Yes, I want exactly 10 of the 50 classes to contain no left handers. So, instead of using .08 as the p for the last part, I should use the probability found from no left handers in a class of 20 instead? The question did ask me to find this as well, although I didn't put ...
November 21, 2015

Math
URGENT! In a school, 8% of students are left handed. If 50 classes of 20 students are randomly selected, what is the probability of 10 classes have no left handed students? I know that this is a binomial distribution question, but I can't seem to do this question even ...
November 21, 2015

Chem
what is the mass in amu of 3.12 moles of Ba(NO3)2?
November 13, 2015

Science
What laboratory instrument utilized the wave nature of electrons?
November 13, 2015

Math 141
Two cards are drawn from a well-shuffled deck of 52 playing cards. Let X denote the number of aces drawn. Find P(X = 0). (Round your answer to three decimal places.)
November 13, 2015

precalc
I don't understand how to do these w/o calc. I tried to write it in a way that will make someone understand how to read it. Hope I typed it clear enough.Thanks so much for the help anyone! How to find the exact value of logarithm: 10. log5^100 -log5^4 11. log4^8 +log4^8 12...
November 12, 2015

Math 141
Box A contains 3 white marbles and 4 black marbles. Box B contains 6 white marbles and 5 black marbles. An experiment consists of first selecting a marble at random from Box A. The marble is transferred to Box B and then a second marble is drawn from Box B. What is the ...
November 12, 2015

Math 141
Three machines turn out all the products in a factory, with the first machine producing 20% of the products, the second machine 15%, and the third machine 65%. The first machine produces defective products 17% of the time, the second machine 8% of the time and the third ...
November 11, 2015

precalc(LOGS) CONFUSED!
How do I rewrite without logarithms?? 2. log x= log a - 4 log b 3. ln t= 3/2 ln a - ln p 4. log y = 3 log x + log 17
November 11, 2015

Precalc
i figured C. I'm really stuck on b &d. btw. I can't use a calculator to figure these because we aren't supposed to. How do you find it out w/o using calc.
November 11, 2015

Precalc
Given log2=0.3010, log3=0.4771, log5=0.6690, and log7=0.8451... Find a.) log8 b) log5/7 c.) log1.5 d.) log3/14 e) log12 I didn't know how to do b, c, and d. I also don't know if log 12 is right. Answer: a.) 0.903 b.)? c.)? d.)? e.) 1.0791
November 11, 2015

Math Please check
Okay, so I have to reduce my answer then I will have it right. Thank you!
November 5, 2015

Math Please check
-4x+3y=12 Solve for y I got: 12+4x/3 Is that right?
November 5, 2015

Math
Steve please help or somebody please help
November 5, 2015

Math
Please help
November 5, 2015

Math
Is the simplified form of 2square root of 3 ⋅ 2square root of 6 rational? Yes or No
November 5, 2015

Math
Thank You
November 4, 2015

Math
Which of the following options results in a graph that shows exponential growth A.f(x)= 0.4(3)^x B.f(x)= 3(0.5)^x C.f(x)= 0.8(0.9)^x D.f(x)= 0.9(5)^-x
November 4, 2015

Math
Thank You so much
November 4, 2015

Math
Which of the following options is an equivalent function to f(x) = 3(2)3^x? A.f(x)=3(8)^x B.f(x)= 24^x C.f(x)= 27(8)^x D.f(x)= 3(8x)
November 4, 2015

Social Studies
Who won the battle of the Atlanta Campaign
October 28, 2015

Social Studies
Interesting facts😑😑😑😑😑😊
October 28, 2015

Social Studies
Wat r 10 facts u didn't know about the Atlanta Campaign
October 28, 2015

English
Just took the test the answers are: 1)B 2)A 3)Flase Sorry if you got it wrong because she didn't say the answer. I personally did the whole lesson but still had trouble with the test.
October 28, 2015

Math
(3p-pq^3)2pq= I got: 6p^2q - 2p^2q4 Can it be simplified more?
October 26, 2015

Math please check
p= -3; q=2 2q(p+q)+3pq I got -22
October 26, 2015

Math please check my work
I see that now! Thank you!
October 26, 2015

Math please check my work
Where did I go wrong? I did this: 16(3--2) -8 + -8 16(5) + -16 80-16= 64 Thanks for your help.
October 26, 2015

Math please check my work
I forgot to put that x=4 and y=-2
October 26, 2015

Math please check my work
4x(3-y) - 2x + xy I got 64. Is that right?
October 26, 2015

math
A prize of $100, $200, $500, or $1000 will be randomly awarded to a game show contestant, with the probabilities of winning each prize shown in the table below. What is the expected value of the prize that will be awarded?
October 21, 2015

Math
True of false A broken scale can make changes in data appear less they than they actually are. If false, explain why. I know the answer is false because it is in my book, but I don't understand why.
October 14, 2015

Physical Science
I put that the kinetic energy increases, but am I missing something? Is that the whole answer?
October 13, 2015

Physical Science
What happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass?
October 13, 2015

Science/math
Newtons second law of motion states that F =MA Force equals mass multiplied by acceleration. Mass is the constant. It does not change. What is the independent and dependent variable? I put force is independent and acceleration is dependent. Is that right?
October 11, 2015

Math-Sorry I had a mistake in the first problem.
Please check my work: Label the dependent and independent variable. 1. Time spent studying and Score on a test 2. If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life expectancy. What are the dependent and independent ...
October 10, 2015

Msth
Please check my work: Label the dependent and independent vstiablr. 1. Time spent studying and Score on a test 2. If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life expectancy. What are the dependent and independent ...
October 10, 2015

Study Skills Practice
1. B 2.d 3. A 100% correct
October 5, 2015

Mental & Emotional Health
1. true 2. time magement 3. true 100% correct these are the correct answers 3/3 100%
October 2, 2015

Math
Okay, thank you.
October 1, 2015

Math
How did you get that 1 cubic centimeter = 0.0610237 cubic inch ?
October 1, 2015

Math
Convert 630 cubic centimeters to cubic inches. I know that 1 inch = 2.54cm I tried 630/2.54 but I didn't get the answer in my book, which is 38.44. What am I doing wrong please?
October 1, 2015

Math
That's what I did and I got .45. I was just doubting myself because I thought I had to set it up differently. It seemed too easy. Thank you.
September 30, 2015

Math
A basketball player attempted 1789 free throws. He made 801 of of them. What is the probability that the player will make the next shot he attempts? Write the probability as a decimal rounded to the nearest hundredth.
September 30, 2015

Algebra 1
What are the two quantities that should be measured to find the rate at which water flows out of a shower head? Explain how the rate can be determined. Thanks!
September 28, 2015

Math
1. B -9 2. C y^19 3. D w^ -6 4. B 1 5. C 5^3 ThESe are a 100% correct True me will pass it.
September 28, 2015

Science PLEASE HELP
Okay, so yes a mixture can be made up of only elements. Why? Because mixtures can be made up of compounds and/or elements. Right?
September 27, 2015

Science PLEASE HELP
Could a mixture be made up of only elements and no compounds? Explain why or why not.
September 27, 2015

Science
Could a mixture be made up of only elements and no compounds? Explain why or why not.
September 27, 2015

Math
See what 12 and 9 go into (3) 3 goes into 12 4 times 3 goes into 9 3 times take the biggest number and times both of them by that number. 9x4 = 36 12x4 = 48 Take the number 3 goes into and add that number to 9:15am Glad i could help xx
September 27, 2015

algebra
If a=2 what is -a^2? -4 or 4? Why?
September 22, 2015

Algebra
ten-pin bowling ball has a volume of about 5274 cm3. A candlepin (8) bowling ball has a volume of about 48 in3. About how much greater is the volume of a ten-pin bowling ball than the volume of a candlepin bowling ball?
September 20, 2015

Chemistry
Lead has a density of 11 g/ml. Mercury has a density of 13.6 g/ml. How much more volume would 1 pound of lead occupy the one pound of mercury?
September 19, 2015

statistics
The cholesterol levels of adult American women has a mound-shaped and symmetric distribution with a mean of 188mg/dL and a standard deviation of 24 mg/dL. In what interval would you expect most American women’s cholesterol levels to be? Explain.
September 19, 2015

physics
Light from the Sun reaches Earth in 8.3 min. The speed of light is 3.00 x 10^8 m/s. How far is Earth from the Sun?
September 15, 2015

science
Study skills 1. A maitaining a postive attitude 2. D trying studying at the libary instead of at home 3. C look at headings and subheadings of the lesson to get a idea of what the lesson is about 4. B questing keeps your brain actively trying to find the answers while you are ...
September 14, 2015

Health
1. C 2. C 3. A 4. A and c 5. C 6. B 7. D 8. A 9.a 10.d 11.true 12. C 13. True 14. A 15. C 8, 16 These are a 100% correct TRUST ME WILL PASS IT!
September 11, 2015

Chemistry
If 5ml of 10M HCl was added to 1 litre of 0.4M 3-(N-morpholino) propane sulfonic acid what would be the resulting pH?
September 5, 2015

Health
1. C 2. C 3. True 4. A and c 5. C 6. B 7. D 8. A 9. A 10. D 11. True 12. C 13. True 14.a 15. C 8,16 100% correct I pass it
September 4, 2015

Math
88
September 1, 2015

English 10
Correct :) 100%
August 24, 2015

Health and physical education
1. C devolopment of ovaries in girls and testes in boys. 2. C hormonal changes 3. True 4. A and d 5. C your friends have recently started smoking 6.C Action plan 7. D continue searching for a reliable resources on the topic 8. A continuum 9. A physical health 10. D isolating ...
August 17, 2015

Math
Internal rate of return What is the internal rate of return for the following project. An initial outlay of $9500 resulting in a single cash inflow of $16,281 in 7 years. Internal rate of return for the project is ___%
June 15, 2015

Chemistry
What is the total internal energy change (∆E), in J, of a system that releases 202.90 J of heat and absorbs 315.7 J of work from the surroundings?
June 10, 2015

Civics ASAP PLZ =:)
I had this question on a test of mine. I hope this is correct! Thx
May 30, 2015

Geometry
Find the approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches. A. 0.6 B. 0.67 C. 1.67 D. 25
May 29, 2015

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