Sunday

April 20, 2014

April 20, 2014

Total # Posts: 60

**Trigonometry**

2sinx-cosx=3/sqrt. of 2

**Trigonometry**

4cos^2x-5sinxcosx-6=0 find the x :( please

**math**

The equation of a line is y = mx - 1. Find the value of m if the line passes through the point (2, 3).

**math**

Find an equation of the circle that has center (-2, 1) and passes through the origin.

**math URGENT**

Find all values of x such that sin 2x = sin x and 0 x 2π. (List the answers in increasing order.) x= x= x= x= x=

**math**

Solve the equation. (Find only the real solutions.) x2 - x - 2 = 0 they also said there is a smaller value and a larger value ??

**math**

If sin(x) = 1/3 and sec(y) = 5/4, where x and y lie between 0 and π/2, evaluate sin(x + y).

**math**

i think u meant the subject math -_-

**math**

Rewrite by completing the square. 2x^2 - 12x + 11

**Algebra 2**

how would you translate the graph of y=-x2 to produce the graph of y=-(x+1)2?

**Singapore Math**

Here is your bar model: This is a unit bar: [xxx] Before - the had equal amounts, then they each spent some money. In the end, Lily has twice as much as Sara, or 2 units. Lily [xxx][xxx]<----$18---->| Sara [xxx]<-----$25-------->| If they started out the same, the ...

**Grade 12 life orientation**

Five factors that contribute to the life style disease of hiv/aids

**Math**

1/5(2x+10)=2x-8

**8th grade**

how many 2-kg and how many 5-kg plates go onto the bar to make 34-kg.

**PHYSICS**

A cricket bowler bowls a cricket ball witha mass of 150g and a radius of 52mm. The bowler's arm weighs 3.4kg and has a length of 0.68m. The centre of mass of the bowler's arm act's at it's midpoint. What is the moment of inertia of the cricket ball and bowler&#...

**Physics**

A figure skater is spinning with her arms out wide. Will she spin faster or slower if she tucks in her arms? Why?

**Science**

A cricket bowler bowls a cricket ball witha mass of 150g and a radius of 52mm. The bowler's arm weighs 3.4kg and has a length of 0.68m. The centre of mass of the bowler's arm act's at it's midpoint. The moment of inertia of the cricket ball and bowler's arm?

**Anatomy**

What is the groove between the diapragm and ribcage in the lower part of the pleural cavity?

**Last question, I swear! Math!**

73-x=17

**Math/116**

sorry im not sure.

**Math/116**

3.5 multiplied by 5.

**Math/116**

a is correct b is 3.5(5)=17.5

**Help please? Math!**

7-2W

**math**

YES.

**math**

Yes

**math**

YES

**Mathmatics**

You welcome.

**Mathmatics**

1/4 (7+W)

**Math**

Find the gradient and then substitue the gradient with 1 set of coordinates in the equation of a straight line.

**math**

9A+ 4

**Geometry**

180 - 135 = 45 degrees

**Science**

Fred and Joe are moving identical boxes across a floor where there is friction present. Fred pushes his box with a force that is directed 20 degrees below the horizontal, while Joe pulls his box using a rope that is angled 20 degrees above horizontal. Who must use the greater ...

**Math**

Yes.

**physics**

The mechanical energy.

**science**

THANKS A MILLION. Tutocat.

**Science**

A crate is resting on the back of a truck and has a coefficient of of friction of 0.45. What is the maximum acceleration that the truck can undergo before the crate starts to slide off the back of the truck.

**math**

8732 divided by 1

**math**

No, it is 270.

**PHYSICS**

Thank you

**PHYSICS**

will the scale read 0

**PHYSICS**

A 70 KG man is standing on a scale inside an elevator. Calculate the reading on a scale after the cable breaks and the elevator goes into free fall.

**physics**

thank you drwls

**physics**

During a lift off , the thrust a rocket produces must overcome the force of gravity in order to lift the rocket off the ground. If a rocket with a mass of 5kg produces a force of 180N, how fast will the rocket be travelling 3 seconds after ignition?

**Chemistry**

A 20ml of a 1M KOH solution is used to react with sulphuric acid, what is the number of mols of KOH used?

**Science**

A force of 20N is pushing a box at an angle of 50 degrees to the right of a dotted line. At what angle would a second force of 40N need to push in order to move the box straight in the direction of the dotted line?

**Chemistry**

How much heat on joules is required to melt 3mol of ice? (the heat of fusion is 6.01 kj/mol)

**limits**

use f'(x)=lim h-->0 f(x+h)-f(x)/h to find the limit: h-->0 sin^3,4(x+h)-sin^3,4x/h

**Calculus **

A point moves along the curve y=(x-2)^2 such that the x coordinate is increasing at 2 units per second. At the moment x=1, how fast is its y coordinate changing.

**Calculus **

The edge of a cube is increasing at a rate of 2 inches per minute. At the instant when the volume is 27 cubic inches, how fast is the volume changing? indicate the units of measure. V=x^3

**Calculus **

If y=ln((3x+2)^6(x+10)^3), then dy/dx=

**Stats**

A is the symbol used, its not coming through when I type the question. I am not sure what the symbol a is suppose to represent either. I will send my professor an email, hopefully she can provide clarification on this question. Thanks for trying to help me...

**Stats**

Think I know the answer, but can someone please confirm... Find the value of a that corresponds to a confidence level of 84%. Answer: 0.16???

**science**

Hi, I need scientific diagrams of the following: Mushroom (Armillaria ostoyae) Lactobacillus bulgaricus They must be detailed (ie cell wall, cell membrane etc) and at least 5 distinguishing features. Thanks

**science**

what is matter best described by?

**com120**

I NEED TO WRITE THE TYPE OF INTRODUCTION USED IN THE STORY THE CASE AGAINST CHORES

**Com 120**

I need to write a impact on a introduction to the story the case against chores

**IT**

I NEED HELP WITH GIVING EXAMPLES OF MASTERING THINKING SKILLS. http://www.google.com/search?q=thinking+skills&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA First you must define what you mean by "thinking skills" and then you must de...

**Information Technology**

what are the benefits from using thinking skills you succeed in your educational and personal life i guess!!! I would love to hear and critique what you think of for this answer ;) Matt What happens if you DON'T use thinking skills? That is, if all you do is react to whate...

**INFORMATION TECHNOLOGY**

WHAT IS MASTERING SKILLS Mastering = becoming so good at something that one is a "master" of it. Becoming very proficient. http://www.answers.com/mastery http://www.answers.com/proficient =)

**Pigskin Geography**

haha!! lol thats funny. id help ya out. but, i dont know them myself.

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