# Posts by Rosie

Total # Posts: 209

**Science**

Contrast mitochondria and chloroplasts. Please. Thanks.

**Math**

The probability that Owen will score a goal in the next month is 0.4. The probability that Wasim will score a goal in the next month is 0.25. What's the probability that both boys will score and why?

**contrast sceince**

Contrast mitochondria and chloroplasts

**business**

$4,516,015.37

**Math**

Yes

**Math**

If you have 3/5 for every 2 cups of flour.How much milk was used per flour

**social studies**

I did this Quick check and got 100%. The answers are- 1: B 2: C 3: B 4: B 5: D

**Chemistry**

Nvm haha all I had to do was divide it by the volume

**Chemistry**

Calculate the molarity of Fe(NO3)3 in Solution A. Solution A: Mass of Fe(NO3)3 solid: 1.21g & Vol of Solution: 100mL In a previous ? Using the mass I weighed 404.0g/mol to calculate moles of Fe(NO3)3 in solid hydrate----I got 0.00300 mol Fe(NO3)3)

**Science**

Correct answers- 1:D 2:A 3:D 4:B I am in 6th grade Connections Academy and I just trusted @The weird Ninja and @360 with my answers and I made 100%! I am so happy! Thank you @The weird Ninja and @360!

**Math asap**

darn

**Math asap**

--------------------- | | 2 ft --------------------- 9 ft

**physics**

A golf ball with a mass of 0.080kg initially at rest is given a speed of 50 m.s-1 when it is struck by a golf club. A) If the club and ball are in contact for 1.5 millisecond (0.0015 seconds), What average force acts on the ball? B) What impulse was delivered? c) What was the ...

**physics**

Doyle goes bowling with a cement brick to improve his score. If the brick has a mass of 1.5kg and an initial speed of 5.0m/s upon release a)how much kinetic energy did it possess upon release i.e. when let it go and b)how far will the brick slide before coming to a halt if the...

**Social Studies**

thank you nyladna!!! 100%!!!

**Physics**

Not sure if done correct!

**Physics**

Kati observes a force of 15 Newtons stretch a spring a distance of 0.450m. a) what is the elasticity coefficient of the spring and b) how much force must be done to stretch the spring a distance of 0.750m? a) F=Kx 15=K(0.450) 15/0.450=k 33N=k It seems off to me know sure if ...

**Physics**

got it thanks for your help

**Physics**

or do I need to use one of these equations Fcos thata d= 1/2mVf^2-1/2mVo^2 or F*D=1/2mVf^2-1/2mVo^2

**Physics**

so a and b are equal to the same Joules? Sorry I'm so confused

**Physics**

thank you but looking at my notes it says work = Fcos thata d buthow do plot F and D that I do not have

**Physics**

A pitcher throws a fast ball with a speed of 45m/s. The ball has a mass of 0.145kg. How much a) kinetic energy is given to the ball and b)What work was done in throwing the ball? Vo=45 m/s Mass= 0.145kg A) KE? KE= 1/2mV^2 A) 1.5x10^2 kg*m/s B) WK=Change in KE but I'm stuck...

**chemistry**

If 17.5 mL of 0.553 M KOH is needed to neutralize 25.0 mL of an HBr solution what is the molarity od HBr solution

**Math**

A marathon covers 26 miles and 385 yards. If a runner averages 1.8 meters per second, how long in hrs will it take to complete the marathon?

**geometric sequences**

given the geometric sequences:9 90/17, 900/289 find an explicit formula for an, where the first term is a1=9 an= a10=

**Physics**

thank you for your help

**Physics**

ok I think I figured it out mu=0.67

**Physics**

Jason approaches a rotary in her 3,500kg Mercedes. Its radius of curvature 95m but his speed is 25m/s. The acceleration is 6.6 m/s^2. What is the coefficient friction between his tires and the road? I know Mu mg=mv^2/R but I am unable to complete my equation and continue to ...

**Physics**

thank you

**Physics**

Eli went for his driving test in an ice storm. He told the registry tester not to worry. He can negotiate an exit ramp at 35 km/hr that has a radius of curvature of 95m. a) What was his speed in meter/second? b)Find required angle for his banked curve to handle an ice filled ...

**Physics**

m=.00192?

**Physics**

a=6.6m/s^2? I'm still confused with m I got a negative number which is wrong

**Physics**

"Crash" Jackson approaches a rotary in his 3,500 kg Maserati. It's radius of curvature is 95meters but his speed is 25 m/s. What is his acceleration in m/sec/sec and find his coefficient of friction between his tires and the road?

**Math**

16. 1.26*10^7 17. 8.8*10^-5

**Physics**

thank you for your help

**Physics**

sorry not minutes but 15 seconds

**Physics**

A 0.025kg rubber stopper is swung in a horizontal circle by a 0.95 meter threat that makes 25 revolutions every 15 minutes. a) what is the stoppers speed? b) what is the acceleration? c) what is the value of the centripetal force?

**Social studies**

Thank you sooooo much Andalyn Hester :D!!!!!!! I got 7/7 100%!!!!! Thank you!!!!

**Math**

The 8th term of 40,10, 5/2, 5/8

**Pre- Algebra**

It isn't the answer that you put down for a different reason, It is 126 degrees for future users.

**science**

Your answers are correct but you shouldn't just give them away.

**Chemistry**

How much energy in kJ is needed to heat 7.0L of water from35 degrees Fahrenheit to boiling point 100 degrees Celsius. If the density of water is 1.0g/cm^3 and the heat capacity of water is Cp= 4.184J/g degrees Celsius

**ALGEBRA**

Create 2 equations to the following: How many hamburger buns and hot dog buns can I buy for $20 if the hamburger buns cost $2 a package and hot dog buns cost $1.50 a package?

**Science**

The answer to 17.The Plant Cell. :) Hope this helps.

**Math**

Thank you!:)

**Math**

The air temperature decreases by about 1 degree Fahrenheit for each 300 feet of altitude. a) Find a function T(x) for the temperature at an altitude of x feet if the sea-level temperature is 45∘F. (b) Find T(1000). [Round to two decimals] I considered two sets of points...

**Math**

try to understand the answers here. jiskha dot com/display.cgi?id=1354313665 (remove the spaces, change dot into an actual dot ( . ))

**Math**

omygod i know the answer now... i solved hahaha. nevermind

**Math**

Substitute numbers for the letters to make the equation true. Same letter has the same number. Different letters have different numbers. x + x + y = 20 y + a - y = 9 y + x = 13

**Math**

Liwanag sold 37 tickets to Manila Zoo. Adult tickets cost Php 3.50 and child tickets cost Php 1.25. She collected 73.25 from the sales of the tickets. How many of each kind were sold?

**Math**

Six years ago, Jim was four times as old as Fe. In four years, he would be twice as old as Fe. How old are they now?

**Ed Tech. PLZ HELP ASAP**

I got the answers on connexus c a b d d

**Pre-Cal**

A penny is dropped from the top of Bank of America building. How long does it take to reach the group? Assume the back is 1024 ft high. My work so far: -16t^2+0t+1024 t=8 sec Is this correct? Thanks!

**numerical analysis**

find the smallest positive root of the equation f(x)=2sinx+x-2=0 using the false positive method.

**Physics**

Jill and Traci are side by side in their cars at a red light. When the light changes, Jill takes off with an acceleration of 2.4m/sec^2. Traci waits 3 seconds and then takes off with an acceleration of 4m/sec^2. How long will it take her to catch Jill? I've tried using the...

**Calculus**

A 6 feet tall man walks away from a streetlight that is 15 feet high at a rate of 5 ft/s. Express the length 's' of his shadow as a function of time. What I have so far: I set up a triangle and used similar triangles to create a ratio (6/s) = (s/d+s) s = (6d + 30/15s) ...

**math**

Saturday 6742/17 = 396.58 --> 396 people Sunday 5487/17 = 322.76 --> 322 people 396 + 322 = 718 people

**math**

A Thai restaurant offers the curry special: curry vegetables with your choice of beef, chicken tofu or shrimp. Choose yellow curry, green curry or red curry. Drink included: tea or soda. If a customer makes all choices randomly, what is the probability that she orders a yellow...

**english**

its c. their

**socialstudies**

You are so right @Lily! @#HOMEWORK should go read it's books!

**History**

It's Andes Mountain for future users.

**ss**

You are in connections academy and you are cheating. You are doing a Social Studies quiz, and the school honor code states that you shall abide by school policies, and not us outside sources to "help" you with your work. BUSTED

**geography**

social, political, and economic changes made under the tokugawa shogunate

**geography**

how did cultural diffusion impact the development of japan

**geography**

describe the food people achievements inventions art and architecture of china under kublai khan

**geography**

why did the mongol dynasty collapse

**geography**

how geography affects the way of life in japan

**geography**

compare geography of japan and greece

**geography**

how did the mongols conquests promote cultural diffusion

**geography**

can any one tell me about the command system of mongols?

**english**

explain how johnny learns? how can he be helped? how can he help others? from the play;outsiders chapter 5

**english**

oh no

**english**

hi ms sue plzz answer the question

**english**

plzzz answer this question as soon as possible

**english**

this is the queston of the play of outsiders

**english**

chapter 5 the outsiders

**english**

what do the supplies tell you about johny

**algebra**

factor the polynomial 3x^2+3x-6

**algebra**

factor the polynomial 3h^2+11h+6

**Health**

respiratory

**english**

Where?

**english**

Behaviours of dracula

**english**

ok thank you soo much!! i got the answers i needed

**english**

Please can you help me

**english**

yes it is. i already wrote that for characteristics but i need help about his behaviour

**english**

What are some behaviours of Dracula? i have two so far: appears during the night leaves two punctures on his victims neck

**english**

well after she turns into a vampire her friends and husband had to strike a stake through her heart, in which she dies and stops being a vampire

**english**

But with dracula, he attacks Lucy she turns into a vampire?? is that homicide?

**english**

if dracula is sucking the blood of his vistcms, would it be called homicide or what??

**english**

Ok. i am following the victimology for a criminal profile??

**english**

How should i start to write a victimology about dracula

**Language Arts**

BOB is 100% correct! Thanks!

**biology(really need help!)**

i know.. but i cant find anywhere online about its role and ecological issues

**biology(really need help!)**

What role does the lilac flower play in its natural ecosystem? What is its niche in the food web Are there any ecological issues surrounding the lilac flower(e.g. are its populations decreasing, is it spreading uncontrollably..)

**Physics**

i think the answer would be 3827.1

**Physics**

A 1.50 X 10^2g piece of brass(specific heat capacity 3.80 X 10^2 J(kgC) is submerged in 400 mL of water at 27.7 Degrees Celsius. What is the original temperature of the brass if the mixture has a temperature of 28.0 degrees Celsius

**chemistry**

Complete the following reactions, where applicable. If no reaction occurs write N.R A) blank + blank ---> Cu(NO3)2 + PbSO4 B) C6H12O6 + O2 --> blank + blank C) AgNO3 + CuCI2 ---> blank + blank

**Math**

Randolph runs a home appliance repair business and charges a service call fee of $85 plus $15 per half hour for his labour. Write an equation for calculating the total charges, C, in terms of hours of labour, H. Plot the graph of C vs. H and define the slope and C-intercept of...

**physics**

A child pulls a wagon by the handle along a flat sidewalk. She exerts a force of 80.0 N at an angle of 30.0 above the horizontal while she moves the wagon 12 m forward. The force of friction on the wagon is 34 N. Calculate the mechanical work done by the child on the wagon ...

**PLEASE HELP! SCIENCE**

The system of blocks shown in the diagram below is being accelerated to the right at 4.4 m/s2 What is the applied force Small box mass- 0.10 kg Big box mass - 0.20 kg Acceleration - 4.4 m/s2 Coefficient kinetic - 0.35