Thursday

July 31, 2014

July 31, 2014

Total # Posts: 43

**grade 12 calculus and vectors**

Determine the average rate of change form x = 1 to x = 4 for each function. a) y= x b) y=x^2 c) y=x^3 d) y=7

**englisch**

ich muss ein referat auf englisch machen. ich paar fragen: different knd of animal,where it lives,what it eats,whenit sleeps,what it does,what is special about it,pictures,where it sleeps. bitte schreibt mir die internet seite? NICHT vergessen es muss auf englisch und es muss ...

**schul projekt**

hallo,ich brauche hilfe beim projekt. ich muss reisekataloge über islas canarias -spaniens insel im atlantik recherchieren. könnt ihr mir helfen und schreib auch die internet adresse wo ihr es herraus gefunden hat danke schön

**deutsch**

bitte erkläre mir die wörter: eigenartige weisen schürzte seie kleider allerlei ausflüchten schwarm die Kunde Ungesäumt spielmann senkung eines hügels danke! ps: schreibe mir eine schnelle antwort!!!

**geometry**

Circle A has radius 6. Circle B has radius 10. They cross at two points that are 5 apart. What is the overlapping area?

**Maths**

The radius of a circle is 8cm, and the length of one of its chords is 12cm. Find the distance of the chord from the centre.

**nawi**

wie kann man tierrefat thema elefant oder elefanten und elfenbein. könnt ihr den refarat schreiben und schicken ?

**math**

332

**accounts**

on july 01,2000, asok ltd. purchased a machine for Rs.1,08,000 and spent Rs.12000 on its installation.At the time of purchase it was estimated that the effective commercial life of the machine will be 12 years and after 12 years its salvage value will be Rs.12,000.prepare mach...

**mathe**

aufgabe 1.rechne für die folgenden massstäbe aus,welche Länge fünf zentimeter auf der wirklichkeit haben. massstab 1--1000000-- massstab 1--40000000,massstab1--50000--massstab--10000-- massstab 1--500000

**mathe**

wie viele menschen sind in den letzten 500.000 jahren dazugekommen

**deutsch**

um was besteht sprache

**mathe**

was ist ein mittel wert

**mathe**

wie heisst die grÃ¶sste vierstellige zahl aus lauter verschiedenen ziffern

**mathe**

wie heisst die kleinste siebenstellige zahl,wenn keine ziffer mehr als zweimal vorkommen darf

**science**

A car is travelling at 80km/h in east direction , a train is travelling at 50 m/s in north direction then what is the combined velocity of car and train?

**physics**

A car is travelling at 80km/h in east direction , a train is travelling at 50 m/s in north direction then what is the combined velocity of car and train?

**math**

if x=0 y=3*0-5*0+9*0-8 y=-8

**statistics**

A simple random sample of 50 items from a population with σ 6 resulted in a sample mean of 32. a. Provide a 90% confidence interval for the population mean

**math**

in triangle abc ad is bisector of angle a and angle b is twice of angle c prove that angle bac is equal to 72

**Physics**

Thanks, for the help Elena. For me this answer is also not working its saying that its wrong. :/

**Physics**

Four people sit in a car. The masses of the people are 41 kg, 47 kg, 53 kg, and 55 kg. The car's mass is 1020 kg. When the car drives over a bump, its springs cause an oscillation with a frequency of 1.00 Hz. What would the frequency be if only the 41-kg person were presen...

**Physics**

A spoked wheel with a radius of 44.0 cm and a mass of 1.90 kg is mounted horizontally on frictionless bearings. JiaJun puts his 0.550-kg guinea pig on the outer edge of the wheel. The guinea pig begins to run along the edge of the wheel with a speed of 18.0 cm/s with respect t...

**Physics**

Sorry ignore what I said here before...the ball is at the top and it slides to the right then it goes up a little which makes a curve which is distance R and the distance it slides from top to botton is H...hope you have an idea now!

**Physics**

Sorry, but this is still confusing there is no radius given besides the info I have provided earlier!

**Physics**

A bucket of water with a mass of 4.0 kg is attached to a rope that is wound around a cylinder. The cylinder has a mass of 8.0 kg and is mounted horizontally on frictionless bearings. The bucket is released from rest. (a) Find its speed after it has fallen through a distance of...

**Physics**

sorry I divided it by total mass 10.7 not eleven, but I do get wrong answer :/ !

**Physics**

Belinda needs to find the center of mass of a sculpture she has made so that it will hang in a gallery correctly. The sculpture is all in one plane and consists of various shaped uniform objects with masses and sizes as shown. The length of the rectangle is L = 1.4 m and the m...

**Physics**

Thank you Drwls! I really appreciate your help.

**Physics**

A 44.0-kg woman stands at one end of a 148 kg raft that is 6 m long. The other end of the raft is 0.5 m from a pier. (a) The woman walks toward the pier until she gets to the other end of the raft and stops there. Now what is the distance between the raft and the pier? in m pl...

**Physics**

Thank you!

**Physics**

In the railroad freight yard, an empty freight car of mass m rolls along a straight level track at 1.1 m/s and collides with an initially stationary, fully loaded boxcar of mass 4.3m. The two cars couple together upon collision. (a) What is the speed of the two cars after the ...

**Physics**

Thank you Elena :) !

**Physics**

Do I use kinematic equation for part a? And what would be the force for part b? Thank you!

**Physics**

A pole-vaulter of mass 59.9 kg vaults to a height of 5.9 m before dropping to thick padding placed below to cushion her fall. (a) Find the speed with which she lands. m/s (b) If the padding brings her to a stop in a time of 0.48 s, what is the average force on her body due to ...

**Math**

multiplition

**4th grade math**

800

**English**

Write a passage using rhetorical device on a person, idea or ideology(300 words)

**orgenic chemistry**

Aqueous sodium bicarbonate was used to wash the crude n-butyl bromide. What was the purpose of this wash? Give equations. Why would it be undesirable to wash the crude halide with aqueous sodium hydroxide?

**orgenic chemistrry**

why is the reaction mixture extracted with sodium bicarbonate?give an equation and explain its relevance.

**deutsch**

wissen macht ah

**Spanish Essay: Looking for Corrections**

you need to substitute bananas in the sentence "Costa Rica produce el café y las bananas." with platanos.

**German**

woher kommen sie her

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