Posts by Lina

Total # Posts: 235

math
yes

math
oh you multiply?

math
No wait is it 18 miles?

math
he**

math
so she could go 40 miles in 2 hours because 120/3=40

math
I'm not getting it yet?

math
oliver can jog about 3 times as fast as he can walk. If his average walking rate is one mile in 20 minutes, about how far could he jog in 2 hours?

A total revenue function is given by R(x) = 1000(x^2 - 0.1x)^1/2 , where R(x) is the total revenue, in thousands of dollars, from the sale of x items. Find the rate at which total revenue is changing when 20 items have been sold.

Math
\$6 per can

Chemistry
Kinetic energy = 1/2 mv^2 where m is the mass of the particle and v is the velocity of the particle. A joule is the SI unit for energy and is kg.m^2/s^2. Find the energy in joules of a 56.7 g mass moving at the speed of 70. km. hr.

CHEM HELP ANYONE ASAP
Arrange the members of the following set of cations in order of increasing ionic radii: Sr2+ Ba2+ Rb+ K+ I understand that Sr2+ = 132 pm Ba2+ = 149 pm Rb+ = 166 pm K+ = 152 pm increasing ionic radii ....Sr2+ , Ba2+ , K+, Rb+ But the its not going in online as correct

HEALTH
arent we all here for Ashworth lol 2016 Baby

HEALTH
gotty

allied health
I don't think its C. Its D

mathmatics
thank you

mathmatics
write an expression that represents the following: Eds salary is S dollars per week. His salary is tripled and he earns a \$250 bonus. how much will he have in 13 weeks

Math
Tuesday:45 Thursday: 45 saturday:45 Sunday: 45 Then you add them all

pre-calculus
find all values of x in (o, Pi) that satify the given equation cos x/3=1/2

pre-calculus
Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power (cos 5x)^2

pre-calculus
use a sum or difference formula to find the exact of the trigonometric function cos(-13pi/12)

pre-calculus
Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power (sinx)^4

Geometry
Write a two column proof. Given: angle STV is congruent to angle TVU, angle STU is congruent to angle UVS. Prove: Angle SVT is congruent to angle UTV.

math
a rectangle has an area of 360 square .what .it is 20 centimeters long.what is its perimeter

Physics
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel to and 1.2 cm from the axis of the solenoid. What is the magnitude of the resulting magnetic field at a point on the axis of the solenoid?

Physics
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel to and 1.2 cm from the axis of the solenoid. What is the magnitude of the resulting magnetic field at a point on the axis of the solenoid?

Physics
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel to and 1.2 cm from the axis of the solenoid. What is the magnitude of the resulting magnetic field at a point on the axis of the solenoid?

Physics
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel to and 1.2 cm from the axis of the solenoid. What is the magnitude of the resulting magnetic field at a point on the axis of the solenoid?

Physics
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel to and 1.2 cm from the axis of the solenoid. What is the magnitude of the resulting magnetic field at a point on the axis of the solenoid?

31+7

geometry
A rectangular garden 10m * 18m . Find the area of a sidewalk that is 2m from the side of a garden ?

geometry
How many boxes that is 5" * 4" * 3" could be placed inside a big box of 40" * 32" * 24" ??

Physics
The mass of an astronaut is 72kg. (a) what is his weight on earth ( taking g to be 10N/kg) ? (b) if the astronaut is on the moon's surface where the acceleration due to gravity is one-sixth on the earth , calculate (I) the mass (ii) the weight of the astronaut Thanks for ...

Physics
Thanks !!! :)

Physics
A lift is pulled up to the top of a building by a constant force of 6400N at a constant speed of 2m/s. It takes 3mins to reach the top. (a) how much work is done in raising the lift to the top of the building ? (b) what is the power required ?

Chemistry
How will the equilibrium: Heat energy + CH4 + 2H2S = CS2 + 4H2 be affected by the following? a) A decrease in temperature? b) The addition of H2 c) The removal of some CH4 d) An increase in the volume of the container e) The addiotion of a catalyst. i know that [CH4] goes up...

economics
what cause the financial crisis that occurred in 2008

Maths SUPER URGENT
Thanks. Talked to my Dad. Told me to assume that the down pipes had a width of 200mm as this is for a school auditoriam. @ drwls. Yes, the roof area has already been taken into account @ bobpursley. how would i design for max rainfall? The school is in the desert.

Maths SUPER URGENT
Hey What size down pipe would I need, and how many if my roof area equals 1224.78 metres squared and I have average rainfall of 173kl per year? Also how much plumbing would I need from my hypothetical tanks?

physics
1911

Microecinomics
Opportunity cost is represented by what you're losing by choosing one option. For example, by going to the movies your opportunity cost is doing your homework. Therefore, the opportunity cost of producing potatoes is 50 chickens. The opportunity cost of producing chickens ...

Chemistry for Engineers
A gas is confined to a container with a massless piston at the top. (Part C figure) A massless wire is attached to the piston. When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 4.90 to 2.45 L. When the external pressure is increased to 2.50 ...

chemistry
A gas is confined to a container with a massless piston at the top. (Part C figure) A massless wire is attached to the piston. When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 4.90 to 2.45 L. When the external pressure is increased to 2....

pre algebra
If the question is what is the product of (8x^5-5x)(7x^3) you can find this by using the FOIL method. i.e-(8x^5)(7x^3)-(5x)(7x^3)= 56x^5+3-35x1+3= 56x^8-35x^4

math
Speed of gravity: 9.8meters/second Given 0.02 seconds, you can use conversion method. 9.8m/s*0.02seconds=0.196meters

Algerbra
This is a system of equations. x-y=8 x+y=-2 The easiest way to solve would be the elimination method because it is already set up; if you add the equations, the y cancels out and gives you: 2x=6 Further, x=3 Given x you can find y in any equation above; x-y=8 Substitute the 3...

math
Anonymous is right. m is the slope of the line and b is the y intercept. So the graph will have a negative slope of (rise/run) -2/3 and it will cross the axis at y=45

Algebra
Well, you could multiply everything by 100 to get an easier function: y=-3x^2+14x+143 in which you could try and use the quadratic theorem [-b +/- sqrt(b^2-4ac)]/2a Giving you: -14 +/- sqrt(196-(-1716)/-60 [-14 +/- sqrt(1912) ]/-6 You cant simplify too much. But you get the ...

world history
Many early historians tended to look at the past in terms of

physiC
A uniform door (0.81 m wide and 2.1 m high) weighs 150 N and is hung on two hinges that fasten the long left side of the door to a vertical wall. The hinges are 1.9 m apart. Assume that the lower hinge bears all the weight of the door. Determine the magnitude and direction of ...

world history
Which of the following was the first known king of Mesopotamia? A. Sargon B. Lipit-Ishtar C. Hammurabi D. Gilgamesh

Health, Safety, and Nutrition (Penn Foster)
How dare you direct me to that web site for cheating!!!!!!!!!

Health, Safety, and Nutrition (Penn Foster)
Health, Safety, and Nutrition 1. Today in class you’re going to talk to your students about Vitamin C and what it does for a person’s body. From which one of the following food groups should you select your snack for today? A. Bread, cereal, rice, and pasta group B. ...

child development
Thanks Ms. Sue

child development
(Penn Foster) 1- Neueon development and elaboration, which occurs between birth and age 10, is prompted by: A -aural prompts from the famiy school and environment. B-physical movement on the part of the child C- Intake of foods rich in vitamins and minerals D- exposures to ...

world history

Have a nice Day.

Thank you

However, thank you for answering my questions. Have a good day! :-)

i already did go to google. there is nothing. I searched and searched.

my teachers say not to go there. :(

Wikipedia is not a reliable source. Please do not enter wikipedia.

Where was the site of the Battle of Fort Sumter in the Civil War? Thanks!

Thanks Jeff!

Where was the site for the Battle of Gettysburg in the Civil War? Thanks!

I need help figuring out this on a food web. It goes from a flower to a butterfly to a frog to the bird to a coyote. Now I have to label them. I got them all however i do not know what the frog and bird is. HELP!! :-)

No because they eat primary consumers. Thanks!

Can a secondary consumer be eaten by another secondary consumer? Thanks! :-)

*please post your question some other place where it can be properly answered and so can mine. Thank you.*

For my quiz some of these questions confuse me. Your genome is over 99% identical to every other human on earth. True False 3 points Save All living things on earth share certain identical sequences of bases on their genome. True False and... Question 8 3 points Save The bases...

Also please do NOT tell me the answer but show me how to solve it. Thanks everybody!

Hi I need help with my math problem. It is: Name the function rule from the table given. Table- X= Y= -4 4 -2 2 0 0 answers: y = -x y = -4 y = 2x y = x I do not get how to solve this problem!

math
help me in my math worksheet

thanks everybody you helped me a whole lot! :)

I only have one way that the Man-o-War defends them self, their stingers. I need one more way. But my search engine only provides that way. :( Also when the Man-o-war gives birth this happens asexually. but i also need to answer the question how do the man - o- wars find a mate??

Wow that helped a lot! Thanks, can I ask you another question if you do not mind?

Hi! For a research project from my science class I'm having trouble trying to find an answer to the following problem. How does the Man-o-War care for their young? Thanks!

thanks i finshed that really helped a lot. :)

thank you.

HI! I need help with detremining how long my essay should be. It has to be from 4-5 minutes long. Thanks!

Math
Tim ate some chocolate cake for an afternoon snack He left 3/4 of the cake. If his parents ate 1/3 of the remaining cake for dinner, write a multplication problem to represent how much cake tims parentd ate

math
How many 2 inch squares can be placed completly on a rectangular board that is 12 inchea wide and 16 inches long?

Pen Foster Child Care
WOW maybe you shouldnt be taking this course. Those questions are the easiet questions. Good Luck!

Statistics
1. A large video rental chain recently decided to change its rental policy, allowing an unlimited return date instead of requiring that movies be returned the next day. The marketing team reasoned that this would greatly increase the popularity of their stores, and also that ...

Question: What time period or movement began in the textile industry? I am really confused about this questions. My answer was the time period of the 18th century. Is this correct? Question: What is an economic system based on machinery rather than animal or human power during...

math
18.2 i think

Caring for school age childres
choices- A. Peers B. family C. elementary school teachers D. Child care providers

Caring for school age childres
The formation of children's core values is most strongly influenced by

Science
This is a follow up on my other question: I need help on Mitosis, and cell reproduction.

chemistry
Sorry, can't help! Would if i could, really!

Science
I forgot my book in my desk and have homework over the weekend!! HELP ME!

biochemistry
Calculate the pH change of 10mL of HCl added to 1M phosphate buffer in 1L with initil pH of 7.2?

28 bags of each

chem
Calculate the ph of a buffer solution that is 0.10M in ammonia and 0.15M in ammonium chloride .kb for ammonia is 1.8*10^-5

Physics
For constant acceleration, how does the average velocity for an interval compare with the instantaneous velocity at half-time in the interval?

a fish

physics
Your spaceship lands on an unknown planet. To determine the local value of g, you ask a steel-toed crew member to kick a stone, and you find that if she kicks it at 18.0m/s at various angles, the maximum range she can achieve is 30.8m. What is g on this planet? How long was ...

algrebra
6-9g-27+6g -3g-21

math156-proportions
cross multiply. So for #1 It becomes (4)(5) = 15x in the next step. then continue to find X

1. Pages:
2. <<Prev
3. 1
4. 2
5. 3
6. Next>>