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Posts by LILY

Total # Posts: 1,543

algebra
A mother is 21 years old then her new born daughter. how old does her daughter when her age will be 1 by 4 of her mother

find the number
the answer is 72

Health
addiction?

Health
A person who has physical craving or strong emotional need to use alcohol is showing signs of a- reverse tolerance ** b- tolerance c- rehabilitation d- addiction

Health
Okay, thanks.

Health
1.- Alcohol abuse can cause scarring of liver, which is called a: alcoholism b: detoxification c: cirrhosis ** d: addiction

physics
A charge of -5.02 μC is traveling at a speed of 8.86 × 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 54.6o. A force of magnitude7.85 × 10-3 N acts on the charge. What is the ...

Physics
A ray of light is incident on a material with reflective indeed n=1.46. if the material has thickness w=2.6mm; how many times does the light take to pass through the material?

Pre-Calculus
(h,k) is the center. The center is the midway point between the two vertices: (5,3) and (-7,3). Using the midpoint formula, ((5-7)/2,(3-3)/2), you get h=-1 and k=0. hope this helps you Katelyn.

Math
i don't understand steves one

Math
bc My old name wasn't really a name

Math
A researcher tagged 40 giant turtles in 2008. In 2009 she returned and captured 50 turtles, 16 of which were tagged. in 2010 she returned again and captured 30 turtles 8 of which were tagged. a: Use a proportion to estimate the turtle population for 2009 b: Use a proportion to...

math
P divided by 7 equals 15 what is p

Social Studies
It's C. Free Market.

Physics
When a charged particle moves at an angle of 17.0o with respect to a magnetic field, it experiences a magnetic force of magnitude F. At what angle (less than 90o) with respect to this field will this particle, moving at the same speed, experience a magnetic force of magnitude 2F?

math
What is 29672 rounded to the nearest 500

English 10th Grade
Choose the answer that shows a correct revision to the following sentence: Why if you did not want to hear it did you ask me what I thought a) Why, if you did not want to hear it, did you ask me what I thought? b) Why, if you did not want to hear it did you ask me what I ...

Chemistry
You are investigating the effect of strong base on the solubility of zinc hydroxide, Zn(OH)2 (s). (Ksp= 3 x 10- 15 for Zn(OH)2 (s)) You prepare 1.0 L solution of 0.10M NaOH and add excess zinc hydroxide, Zn(OH)2 (s). Instead of suppresing the solubility, you observe extra ...

Chemistry
The molar solubility of magnesium chloride in water is 0.23 M. What is the numerical value for Ksp for MgCl2? Suppose you wanted to reduce the concentration of dissolved Mg2+ to 0.00537 M by adding NaCl. What concentration of NaCl would you need?

Chemistry
Consider the titration of a 50.0 mL 0.500 M F- with 0.500 M HCl. The pKa of HF = 3.46 and the pKb of F- is 10.54. Calculate the pH at the following volumes of HCl added. 1. Vsa= 0.00 mL of 0.500 M HCl 2. Vsa= 25.0 mL of 0.500 M HCl 3. Vsa= 49.5 mL of 0.500 M HCl 4. Vsa= 50.0 ...

Engilsh
you can easily find it on Wikipedia.

Engilsh
Electronic mail, most commonly called email or e-mail since around 1993, is a method of exchanging digital messages from an author to one or more recipients. Email operates across the Internet or other computer networks. Some early email systems required the author and the ...

science 6th grade
respiratory.. correct

MATH!
There are 30 students in the gym. At least 16 of them are girls. Write an inequality to represent the number boys in the gym.

Math
Ms.Sue, where is the 9 coming from?

Math
Directions: write and solve an algebraic equation or inequality for each problem. 1. Mabel has a total of 54 beads. Some are black and some are white. The ratio of the number of black beads to the number of white beads is 7:2. How many more black beads than white beads are there?

Math
Directions: write and solve an algebraic equation or inequality for each problem. 1. Mabel has a total of 54 beads. Some are black and some are white. The ratio of the number of black beads to the number of white beads is 7:2. How many more black beads than white beads are there?

Math
X>16 is this right

Math
There are 30 students in the gym. If at least 16 are girls, write an inequality to represent the number of boys in the gym.

physics
A car with a mass of 1100kg can accelerate on a level road from rest to 2m/s in 14sec.what is the steepest slope this car can climb.(hint:the plane is smooth.)

math
If you draw one card at random from a deck of 17 cards numbered 1 through 17, what is the probability that the number you draw is divisible by 5 and odd?

Math
Ms. Sue it doesn't say in the word problem

Math
Jenny bought scrapbook supplies for $70.75. She paid $5.66 in sales tax. What was the sales tax rate on the supplies? If necessary, round your answer to the nearest tenth.

Math
Thank you again :)

Math
So if your looking for time, you would do 112 (the distance) divided by 14 (the speed) right? Then you would get 8 minutes?

Math
A cyclist is traveling at a speed of 14 miles per hour. How long did it take the cyclist to travel 112 miles?

Math
Ok thanks : ))

Math
I'm in 6th grade and I have to show my work. However, Steve, I don't understand the work you gave me. Is there any other way you can tell me?

Math
Jenny bought scrapbook supplies for $70.75. She paid $5.66 in sales tax. What was the sales tax rate on the supplies? If necessary, round your answer to the nearest tenth.

Math
An airline is trying to promote its new Boston toAtlanta flight. The usual price of this flight is $215. However, the airline is offering a 30% discount until the end of the month. How much will the flight cost after the discount?

Math
Sara wants to buy a necklace. The necklace has a list price of $57, and the sales tax is 8%. What will be the cost of the necklace after tax is added? Round your answer to the nearest cost. (can you try and explain it to me using proportions)

Math
Terrance is traveling at a speed of 55 miles per hour. At this rate, how far will he travel in 2.3 hours?

Physics
If length a = 0.6 m width b = 0.8 m, Q = -6.0nC and q = 4.0nC, what is the magnitude of point P? LAYOUT: q is found on the bottom left corner of a square. point q is perpendicular to point Q from the top and from point P from the right, creating a 90 degree angle.

Math
A plastic jug contains 2g gallons of milk more than a carton of milk. The plastic jug and the carton contain(8g+6) gallons of milk altogether. How much milk does the plastic jug contain?

Math
Ling drove at an average speed of 78 km per hour for 45 minutes. She then increased her average speed by 6 kilometers per hour for 20 more minutes before reaching home. Find the total distance Ling traveled.

Cartesian Equation
Determine the Cartesian equation of each of the following planes: b) through the points (3,0,1) and (o,1,-1), and perpendicular to the plane with equation x-y-z+1=0 My teacher told me to find a direction vector, cross that with the normal, and set up my cartesian equation. I ...

Geography
B

Math
teach her a song from youtube or something

Science
Very late now, but yes I think that you have a great answer.

Lesson 13: Matter and Energy Unit Test
These answers are correct! Thanks. You're awesome.

psychology
Cornea is the first contact

psychology
Because you are bored one afternoon, you decide to try a little experiment. You open your eye very wide, extend your thumb, and then poke yourself in the e ure. Aside from being very foolish and in alot of pain, you may learn something about your eye when you engage in this ...

math
The angle of elevation from a boat to the top of a cliff is 42 degrees. When the boat moves 15 feet closer to the cliff, the angle of elevation increases to 54 degrees. How tall is the cliff?

Social studies
Correct.

Science
The trees leaves make a kind of cover that cover over the other plants in the rain forest. What is this part of the rainforest called?

Math
The ratio of the amount of money Jason had to the amount of money Wilson has was 12:13. After Wilson $63, Jason had 3 times as much money as Wilson. How much money did Jason have?

Math
when the square of a number is increased by 10, the result is seven times the original number. find the number

MATH
The cost to manufacture a product is proportional to the quantity produced, with a cost of $270000 dollars per day when 900 items are produced. The cost to store n items is proportional to the square of n, with a daily storage cost of $6480 dollars when 900 items are stored. ...

Social Studies
????????????????????

chemistry
Imagine that you have a 5.50 L gas tank and a 3.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 155 atm , to what pressure should you fill ...

Please help me with stats
For each of the following levels of statistical significance, state how many times in 100 a statistically significant result would be expected to occur by chance. .10 .05 .025 .01

Math
5 and 4900 ratio

Math, please help me.
This is the last question of my quiz, I need help with it. I need just one question answered. Question: The angles opposite the congruent sides of an isosceles triangle are congruent. Find the value of x in the triangle. Show all your work. The triangles' value is 70 ...

Math
A. 2.5*3.14=7.85 ft rounded to 8

Organic Chem
Predict the water solubility of the following organic molecules: carotatoxin (neurotoxin isolated from carrots)

Math
Thank you so much! :)

Math
Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 I think the answer is D. But can ...

Language
The correct answers are as follows. 1. B 2. C 3. C 4. C 5. D I just took it and got 100% trust me. :)

The Watson go to Birmingham 1963?
1. Which of the following passages from the novel best describes the setting? A. It was one of those super duper cold Saturday. B. One of those days that when you breathed kind of hung frozen in the air like a hunk of smoke and you could walk along and look exactly like a ...

Math
SAT dread. 1. If n and p are integers greater than 1 and if p is a factor of both n+3 and n+10, what is the value of p? a. 3 b.7. c.10 d. 13. e 30 2. The company sends a team of 3 plumbers to work on a certain job. The company has 4 plumbers and 4 trainees. 1 team has 1 ...

languege
Well, she says "How dreary - to be - Somebody!" So, I would say C.

Physics
A negatively charged balloon has 4 μC of charge. How many excess electrons are on this bal- loon? The elemental charge is 1.6 × 10−19 C. Answer in units of electrons.

science help
correct

Math
a particle moves along x-axis so that its position at any t>=0 is given by x=arctant. What is the limiting position of the particle as t approaches infinity?

Spanish
Preterite or imperfecto- pls check Los estudiantes ( tomaban/ tomaron) apuntes mientras la profesora ( hablaba/ hablo) Answers: tomaban and hablo

Math
Maddy’s loaf tin has three partitioned areas in which to bake three loaves. The outside of the tin along with the partitions is made of 80 inches of material. The area of the entire loaf tin is 192 in2. What are the possible outer dimensions of the loaf tin?

Physics
Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 44 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera- tion of the Earth during the student’s fall. Answer in units of m/s2.

Physics
The average speed of an orbiting space shuttle is 19700 mi/h. The shuttle is orbiting about 125 mi above the Earth’s surface. Assume the Earth’s radius is 3963 mi. How long does it take to circle the earth? Answer in units of h.

Physics
A jogger runs in a straight line with an average velocity of 5.4 m/s for 2.3 min, and then with an average velocity of 5.7 m/s for 1.2 min. What is her total displacement? Answer in units of m.

Physics
Two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force of 363 N to the right. If they pull in opposite directions, the raft experiences a net external force of 147 N to the left. Draw a free body diagram ...

Math
A commuter has 245 dollars in his commuter savings account. this account changes by -15 dollars each week he buys a ticket. In one time period, the account charged by -240 dollars. For how many weeks did the commuter buy tickets How much must he add to his account if he wants ...

Physics
Suzie (of mass 84 kg) is roller-blading down the sidewalk going 34 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop in 1.1 seconds. What is Suzie’s average acceleration? Answer in units of m...

Physics
A force is applied to a 1.4 kg mass and pro- duces 2.5 m/s2 acceleration. What acceleration would be produced by the same force applied to a 12.2 kg mass? Answer in units of m/s2.

English
has anyone taken the red badge of courage unit test? I really need help! Thanks!

Science
Guys do your own work. When you get into college and you don't know anything, don't say we told you so.

Math
What the heck... J-kid... you ARE crazy. Lmao.

Science
Thank you MSM! You got me 100% Tysm!! :)

Math
An artist mixes blue and yellow to make a shade of green. The ratio of blue to yellow is four to one. The color blue makes up what fraction of the mixture?

math
Hi Ms. Sue, I know this wasn't my problem but I looked up this problem for help, and you helped me out a lot! And I just wanted to thank you! :)

math
Reflecting over QV and RW

Math
One-quarter of a bread recipe calls for 2/3 cup of bread flour. How many cups are needed per recipe?

Math Asap
@steve so it would be a integer

Math Asap
When adding √9 and -7, which type of number is the sum? A.irrrational B.whole number C.radical D.integer My answer is A. CAN you check please @Ms.Sue

chemistry
CaCl2=110.98 H2O=18.016 Not sure what next

Biology
there is an increase in the production of insulin

science plz help me asap
pancake is 100% correct! THANK YOU SO MUCH! :D

help please english
Look I'm taking the test now and I'll post after the correct answers. Mmkay?

help please english
God you guys are so stupid. READ THE TEST, DO THE RESEARCH. Damn, is it really that hard?

Biology
How does chloroplasts move when placed in a different solution? I understand that chloroplasts are just randomly scattered through out the cytoplasm, but what does placing the cell in a different solution that can be hypotonic or hypertonic affect the placement of chloroplasts?

CHEM redox equations help!
I think theres a mistake in the book its supposed to be C2O4^2-. and it says it says the answer's supposed to be 2MnO4^- + 3C2O4^2- + 4OH- => 2MnO2 + 6CO3^2- + 2H2O but I didn't get that.

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