# Posts by rose

Total # Posts: 1,345

**math**

How would i do a table of values for this equation: y=1/2(3)^-2x starting from -5 to 5 i get these values: -0.2778, -0.2222, -0.1667, -0.1111, -0.0556, 0 etc... ami wrong?

**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)**

:)

**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**

One solution. if your talking about discriminant

**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**

Please help... i am really stuck

**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?

**PLEASE PLEASE HELP ME**

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 ...

**chemistry. please help drbob222**

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!

**Algebra please help out**

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