# Posts by ROSE

Total # Posts: 1,343

Statistics
Tennis Ball Manufacturing: A company manufactures tennis balls. When its tennis balls are dropped onto a concrete surface from a height of 100 inches, the company wants the mean height of a ball’s bounce upward to be 55.5 inches. This average is maintained by periodically...

math
i don't understand. its fine

math
and how the range is y>0

math
yes, about the vertical compression and strecth

math
is this function - y=3^x open up or down? is it a vertical stretch or compression?

math
y=3^x opens up or down? vertical stretch or compression vertex y-int domain and range

Geography
Ok thank you!

Geography
What are the conflicts in Somalia and Mexico and how do they compare and contrast? I'm not all sure about the conflict in Somalia, but I know that in Mexico they have drug wars and it is very violent. I also think that both Mexico and Somalia's problems tend to affect ...

Dps chemistry
Can u solvee full anss

math
The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16. Find S20

math
A contest winner is given a choice of 2 prizes. Prize 1:\$1 today, \$2 tomorrow, \$4 on day 3 and so on, for 30 days. Each day the winner receives twice as much as the day before. Prize 2: \$1 today, \$3 tomorrow, \$9 on day 3, and so on, for 20 days. Each day the winner receives 3 ...

Ms. Sue PLZ HELP!!!(Civics)
:) good job.

math
The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16? Find S20

L.A Ms. Sue? or anybody?
it is 1. B 2. D 3. C

Language Arts
Ted Cruz shouldve been president. If you think Hillary would've been a good president or that Trump is a good fit, I'm asking you to reavaluate your life. Anyhow, 1. A 2. A 3. C 4. B 5. D

french
well, what they did for a living. one was a peasent and the other a Commissioner

french
both main characters come from different lives but that's all i can get... but i need 3 more

french
compare and contrast the play's George Dandin and Le Commissaire est bon enfant(1899) please and thank you.. im really stuck i already find two compare: both have male main characters, and both are unlucky but i need some contrast

french
i don't need to write a paper. i just can write it in point form

french
compare and contrast the play's George Dandin and Le Commissaire est bon enfant(1899) please and thank you.. im really stuck

French
compare and contrast the play's George Dandin and Le Commissaire est bon enfant(1899) please and thank you.. im really stuck

math
1/3x1/5=1/15 1/3x1/4=1/12 She read 10 books, so it can't be just a range from 12-15 books, so it's 120-150 books. Since it's greater or less, it can't be 120 or 150. It also says exactly 1/3, so the answer is 147 books. The number divisible by 3.

English
is that he gives her the lead role in the performance??

English
i meant that i read the novel in french, and it was an adaption by two other authors, and not Gaston Leroux

English
Im not sure. he tells her that he loves her

English
I have read the french adaption of the novel, for my french class

English
Yes i have

English
How does Erik (the phantom) from The Phantom of the Opera show romance?

English
I have one answer, but i need two more. I already wrote about how is deformity looks like.

English
No. That is the question.

English
Phantom of the opera. how does the theme of horror relate with Erik's (Phantom) face deformity?

Math
Sorry! its no real solution. because when you do discriminant i get a negative number so it would be no real solution

Math

Math
While golfing, Sahar hits a tee shot from T toward a hole at H, but the ball veers 23 degrees and lands at B. The scorecard says that H is 270 m from T. If Sahar walks 160 m to the ball(B), how far, to the nearest metre, is the ball from the hole?

Math
I got it now- thanks Ms. Sue!

Math
Rosa poured 1 3/4 quarts of grape juice into a container. She added 3 1/3 quarts of apple juice. She then poured 2 2/3 quarts of the mixed juice into a pitcher. How many quarts of mixed juice were left in the container? Is the answer 1/3?

Math
Thanks!

Chemistry
What volume of carbon dioxide is produced when 7.5g of butane react with 19g of oxygen gas at 74 degrees celsius at 550 torr?

math
The function h(t)= 2 + 50t - 1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a golf ball above the planet Mercury's surface during its flight. a) What is the maximum height reached by the ball b) How long will the ball be ...

social studies
Help Plz, why did improvement in agriculture lead to the growth of cities is D Feudalism :)

math
Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) =-5x^2 + 21x. The cost function C(x) = 2x + 10 is the cost of producing the shorts. How many pairs of shorts must the company sell in order to break even

math Functions
The function h(t) = 2 + 50t -1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a golf ball above the planet Mercury's surface during its flight. A) What is the maximum height reached by the ball (would it be 1.862) B) How long ...

algebra
factor polynomial by grouping 3z^3+2z-12z^2-8

healthcare
Health care in Canada is funded by which government? I know Canadas healthcare system is funded by a provincial or territorial basis

MATH
FROM NOON TO 8 PM, THE TEMERATURE DROPPED 12.8 DEGREES. WHAT WAS THE HOURLY CHANGE IN TEMERATURE DURING THIS TIME??

art
Ms. Sue my school does not even provide me a science book. I don't have a art book either to help me out. So I come here to get help

french
Ok thank you so much it will help a lot

french
Ce que or ce qui? 1. _______ est evident pour tout le monde, c'est la raison de cette manifestation. 2. _________ le gouvernement va creer, ce sont des emplois pour les jeunes. I am having difficulty understanding when to use ce que or ce qui in a sentence

religion
It has to be anothers persons opinion, so yes your opinion

religion
What are benefits and challenges you can experience in trying to love according to biblical teachings? What are benefits and challenges you can experience among people of different cultures and faiths?

Science
Given the following balanced equation, determine the rate of reaction with respect to [O2]. 2 SO2(g) + O2(g) → 2 SO3(g)

Science
If the concentration of AgCl drops from 1.000 M to 0.655 M in the first 30.0 s of the reaction, what is the average rate of reaction over this time interval?

Translate verbal expression into Algebraic express
Five friends went to a baseball game. Three of the friends each bought a ticket for x dollars and a soda for \$6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money spent. Answer: 3x + 3(6) + 2x 3x + 2x + 16 ...

health
Why is health care recession proof?

algebra
I meant to say at the end that if: x=5 and y=2 and you plug them into the 2 equations that answer are different. x+y=6 (5)+(2)=7 , not true x-y=4 (5)-(2)=3 Hope this helps

algebra
x+y=6 -(x-y=4) ________ 2y=2 - - <divide both sides by 2, to get y 2 2 ______ y=1 Set x+1=6 x=6-1=5 ____Need to check y=2 and x=5 if its true -------- 5+2=7 not 4 5-2=3 not 4 {No solution}

chemistry
Find the percentage composition of (NH4)3PO4 What i don't understand is if the mass of the element isnt given how would i calculate?

Math
Hi Robin Yep that is correct.

algebra
y=20x+12 if x=number of hours rented example I want to rent the sailboat for 3 hours. The life jacket is a fixed number and doesnt change, so we just tack that on the the end of the equation. Y= total amount spent y=20(3)+12 y=72 (you spent 72 dollars for 3 hours on the boat)

Algebra 2
Whar are you trying to solve: =log 0.1 1000

Physics
h=1/2gt -2m=1/2gt -4m=gt -4m=(-9.8m/s^2)t -4/(-9.8m/s^2)=t

Physics
A small rocket is fired in a test range. It rises high into the air and soon runs out of fuel. On the way down it passes near an observer (sitting in a 21.5-m-high tower) who sees the rocket traveling at a speed of 35 m/s and moving in a vertical plane at an angle of 56° ...

physics

physics
A 425 g model rocket is accelerated upward at 86 m/s2 by its engine. What is the value of the force exerted by the engine on the rocket?

i need one sigh of discrimination here's my work The most obvious form of discrimination is skin color. Crooks is segregated in view of his skin shade. “They play cards in there, but I can't play because I'm black. They say I stink.”(pg. 34) This quote ...

English (of mice and men) PLEAS
i need one sigh of discrimination here's my work The most obvious form of discrimination is skin color. Crooks is segregated in view of his skin shade. “They play cards in there, but I can't play because I'm black. They say I stink.”(pg. 34) This quote ...

chemistry
A 6.00 L balloon contains helium at SATP at ground level. What is the volume when it floats up to an altitude where the temperature is 10.0 degrees C and atmospheric pressure is 91.5 kPa

Chemistry
In an acid base titration 32.5 mL of sodium hydroxide, NaOH, were neutralized by 17.6 mL of 0.180 mol/L sulfuric acid, H2SO4. Calculate the concentration of the sodium hydroxide.

Chemistry
Write the total ionic and net ionic equations for each of the following reactions: A) hydrobromic acid with potassium hydroxide B) Nitric acid with barium hydroxide

chemistry
Classify each substance as either arrhenius acid or base: A) HF (aq) B) Ba(OH)2 (aq) C) H2SO4 (aq) D) NH4OH (aq) My work A) arrehenius acid B) arrhenius base C) arrhenius acid D) arrhenius base Am i right

mah
holly spend 7 and 3/5 hours in school each day. her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes.the rest of her day is spent in 6 classes that are all same length. how long is each class?

language arts
Thanks for the answers I got 100%!!

Physics
A block and tackle with a velocity ratio of 5 is used to raise a mass of 25kg through a vertical distances of 40cm at a steady rate.if the effort is equal to 60N,determine.(a)The distance moved by the effort.(b)The workdone by the effort in lifting the load.(c)The loss in ...

One of the reactions involved in the smelting of copper sulfide ores involves copper (I) oxide and copper (I) sulfide: 2Cu2O2 + Cu2S ---> 6Cu + SO2 Assuming that 35.00 g of copper (I) oxide is heated with 25.00 g of copper (I) sulfide A) determine which reagent is present ...

chemistry check if my answers are right. drbobzz
I also have another chemistry question that i am stuck on.

chemistry check if my answers are right. drbobzz
So A would be 147.5 and C) 33.22

chemistry check if my answers are right. drbobzz
A) mass of O2 = (48.0 C2H2/26.04 g/mol)(5O2/2C2H2)(16.00 g/mol) = 73.7 g of oxygen C) mass of H2O = (48.0 g C2H2/26.04 g/mol)(2H2O/2C2H2)(18.02 g/mol) = 14.8 g of water

chemistry check if my answers are right. drbobzz
Acetylene gas(c2h2) is used in welding. During one job a welder burns 48.0 g of acetylene. Using a balanced equation for the complete combustion of acetylene calculate the following. Equation 2C2H2 + 5O2 ---> 4CO2 + 2H2O A) the mass of oxygen used B) the mass of carbon ...

chemistry
Acettlene gas (C2H2) is used in welding. During one job, a welder burns 48.0 g of acetylene. Using a balanced equation for the complete combustion of acetylene, calculate the following: Balanced Equation a) the mass of oxygen used b) the mass if carbon dioxide produced c) the ...

Chemistry
CuSO4.xH2O Determine the percent by mass of water in your sample of hydrated copper (II) sulfate. Show your calculations clearly. My work. i got 10% is that correct

physics
The temperature of the air is 20.0 degrees Celsius when a tourist drops a coin into a wishing well. She hears the splash 5.30 s after drops the coin. If air resistance is ignored, how deep is the well?

Physics
so is the answer D correct?

Physics
Which wave of the following wavelengths could not make a standing wave in a 1.0 m string, with nodes at both ends? A. 2.0 m B. 1.0 m C. 0.75 m D. 0.50 m E. 0.25 m i think the answer is D

Physics
ok thank so much! it makes senses

Maths
Jake mixes pineapple, orange and lemonade in the ratio of 1:2:4. If he has 3 parts pineapple, how much orange and lemonade does he need?

biology
Are Lilac flowers vascular or non vascular

Biology
Is a Lilac Flower: a) Vascular or non-vascular b) Gymnosperm or angiosperm c) Monocot or a dicot My Work i know c) is dicot but i am not sure of the other two

Physics
A woman on a bicycle traveling at 10m/s on a horizontal road stops pedaling as she starts up a hill inclined at an angle of 10° to the horizontal. How far up the hill does she travel before coming to rest? I really don't understand this question. Please help!

Physics
A meteorite weighing 1860N strikes the earth with a velocity of 45.2m/s. What is its kinetic energy? Write in SN to one decimal place. When I plugged in (1/2)(1860N)(45.2m/s)^2, I got the answer 1.9e6, but it was incorrect. Please help. I'm really confused!

Two games went a total of32 mins one goes 12mins longer than the other .use letter to represent the unknown. Solve the problem

Physics
Calculate the power needed from the motor of an elevator for it to be able to lift a 1x10^4kg mass a distance of 20m in 5s. (Enter your answer in scientific notation utilizing "e" format and rounding the decimal value to one decimal place.) I used the equation p = w/...

arithmetic
How do I solve 15x=75?

arithmetic
How do I solve .15x=75

arithmetic
If you spent 85% of your money and have only \$75.00 left, how much money did you start with?

machnics
The equations of motion are derived from the indefinite integral of acceleration.verify

Astronomy
How much does the luminosity of a spherical source of blackbody radiation increase if you triple its size?

Astronomy
If some external force were able to compress the sun, how would the sun react and why?

chemistry
I don't understand

chemistry
Complete and balance the following reactions, where applicable. If no reaction occurs, write N.R. Li + H2O ----> KCI + F2 ---> Au + HNO3 ---> CI2 + NaF ----> Li + Fe(NO3)3 --->

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