Friday
April 18, 2014

Posts by Junior


Total # Posts: 65

Probability
E[AB] and E[NA] are both(2-p)/(p^2).

Statistics
Multiple choice question that's hard to figure out and understand.(information provided) Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course: 61,74,47,60,62,63,65,79,55,85. The question states: In all, 135 students to...

statistics
Multiple choice question that's hard to figure out and understand.(information provided) Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course: 61,74,47,60,62,63,65,79,55,85. The question states: In all, 135 students to...

chemistry
Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

chemistry
Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

Algebra 2
"your long distance service provider charges you $.06 PER minute plus a monthly access fee of 4.95 for referring a friend,you receive $10 service credit this month.if your long-distance bill is 7.85,how many long-distance minute did you use"

life orientation
answer

history
i need a hypothesis for the 19th amendment

Math
State the range of the function: f(x) = 5ex + 1 A) (0, ∞) B) (1, ∞) C) (-1, ∞) D) (-∞, ∞)

Math
A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground, to the nearest degree.

geometry
one side of an equilateral triangle is 7 dm shorter than one side of square.the sum of the perimeter of the two figure is 49 dm . find the perimeter of each figure.

math
Jame shas an assigned seat for his flight to Denver. The seats on the plane are numbered 1-49. Jame's seat number is an odd number greater than 10 that is factor of 100, What is his seat number for the flight?

math
what is the value of 2x+5+3=

Math
A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three marbles are drawn at random with replacement. With replacement means that after a marble is drawn, it is replaced before the next one is drawn. What is the probability of not green, not red, not white?

Math
A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three marbles are drawn at random with replacement. With replacement means that after a marble is drawn, it is replaced before the next one is drawn. Find the probability of all three blue.

Moanalua Middle School
One box contains six color cards: two blue, three yellow, and one orange. Another box contains four number cards, numbered 1, 2, 3, and 4. One card is picked at random from each box with replacement. find the probability of yellow, then less than 4.

math
Im trying to draw a garage that is 34' 1/4''. And on the page its 7'' wide how do i find out what each foot eqauls in inches

math
alex family ate 1 7/8 pizzas for dinner .which shows this mixed number written as fractions greater than 1

math
alex family ate 1 7/8 pizzas for dinner .which shows this mixed number written as fractions greater than 1

math
ms fuller has 2 2/6 pies left over from her party .write the number of pies left over as a fractions greater than 1

Physics
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 µC, and the lengths of the sides of the triangle are 4.7 c...

Physics
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 µC, and the lengths of the sides of the triangle are 4.7 c...

SUBTRACTING TWO - AND ONE - DIGIT NUMBERS
WHAT IS THE ANSWER OF 42- 9= 43-

geometry
angle JkL is a right angle. what are m JKM (12x+3) and m MKL (6x-3)

Business English
1. We must terminate all deficit financing. 2. We must endeavor to correct this problem by expediting delivery. 3. A proportionate tax consumes a determinate apportionment of one’s monetary inflow. 4. Business has an inordinate influence on governmental operations. 5. It ...

science
Replications

Physical Science
an initially stationary 15.0 kg crate of cheese wheels is pulled via a cable a distance d = 5.70 m up a frictionless ramp to a height of h = 2.5 m, where it stops. What is its potential energy of the crate after it is lifted? how much work is done during the lift? If it takes ...

Physical Science
A 4.5 kg ham is thrown into a stationary 15 kg shopping cart. At what speed will the cart travel if the ham had an initial speed of 2.2 m/s ? If the ham hits the cart with 2N of force, how long did the collision between the two last? I know u use the formula v=p/m

physical science
A 6 kg bowling ball rolling at 5 m/s strikes a stationary 4 kg bowling ball. If ball #1 is moving forward at 2 m/s after the collision, what is the speed and direction of ball #2? What is the impulse of the system? If the collision last for .5 seconds, how much force is exerted?

science
unsramble LMDEAIOTBNCL

life orientation
critical discuss human or environmental problem impacts on the community

math
definite integral from 0 to pi/2 of cos(theta)

math
evaluate 15 x 4 2/3

math
Evaluate 15 X 4 2/3

math
13 1/3 divide by 6 2/9 = 40/3 x9/56 ANSWER IS 2 1/7

chemistry
Acids and bases react with one another to form compounds called ______? A. salts B. ions C. mixtures D. salts, ions, and mixtures

chemistry
Which of these best describes energy? A. the emission of particles from unstable nuclei B. the capacity to do work C. the splitting of a nucleus D. the combining of nuclei

chemistry
Which of the following has the greatest effect on the properties of an element? A. the number of ions B. the number of protons C. the number of neutrons D. the number of electrons

chemistry
What is composed of atoms in fixed proportions? A. mixtures B. compounds C. electrons D. elements

chemistry
yea thats y i think its B. hmm i guess ill jus find out if its right

chemistry
Which state of matter has the strongest bond? A. liquid B. solid C. gas D. molecule i think B but im not 100% sure

chemistry
Which is an example of an anion? A. potassium B. ammonium C. sodium D. chloride

chemistry
how many significant figures does 221.5 have

chemistry
Which is the Standard International (SI) unit of temperature? Kelvin or Celsius

chemistry
What is the positively charged part of an atom called? electron or proton

english
I need 5 sentences about the role of education in successful financial planning

sentences
write a few sentences adout another famous afro american woman because march famous woman"s month

english
how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly).

Differential Calculus
nlpc whares bvfy nbu play red

Personal Finance
• Both Mr. Jones and Mrs. Green earned $50,000 gross in 2009. Yet, Mr. Jones owed IRS $600 on his tax return while the IRS owed Mrs. Green $600 on her tax return. What do you think were the possible reasons for the difference in the results? Explain.

Recycling speech
I need help on a speech about recycling but think of another way to recycle

Algebra
Would I do the same thing with this equation? [SQRT(x + 7)] - 2[SQRT(x)] =-2 Beacause I see what you have showed me BUt i am stll a little bit confused. Please if you have the time help me. Thank you.

Algebra
Thank you.

Algebra
I need help solving this equation. [SQRT(x + 3)] - [SQRT(x - 2)] =1 I know I am supposed to square each side however my teacher tells me I ahve to foil the lefthand side of the equation. Cna someone please help me with this. Thank you.

Algebra
Can someone help me solve this type of equation. [SQRT(x + 3)] - [SQRT(x - 2)] =1 . Also. My teacher tells me I keep getting it wrong because after I square both sides, I am supposed to foil the "lefthand side of the equation". IF anyone knows what I am talking about...

Geography
'what the est says about habitable

author
what does William Phelps mean when he wrote the quote "I divide readers into two classes; those who read to remember and those who read to forget.

history
It was in the 1700s, right? It's just that my history book says the Scientific Revolution and Enlightenment lasted from 1550-1800. So does that mean they both lasted from 1550 to 1800? Or just that the Scientific Revolution and Enlightenment were in that time period and th...

history
When was the Enlightenment? Thanks!

science
thanks

science
What do you mean by macho?

science
What are ways (other than downsizing cars) in which increased fuel economy can be achieved? and List reasons why people buy SUVs and large trucks. Thanks!

AP English 3
In to kill a mocking bird, name two examples of superstitious behavior in chapter 4?

Chemistry
Hello, please could someone help? Will calcium chloride (CaCl) granules be a suitable drying agent for drying hydrogen selenide (H2Se) gas? Or, will the calcium chloride granules also absorb the H2 from the H2Se? Thank you. Calcium chloride is CaCl2. It is an excellent drying ...

How far of the Taurus form Earth?
68 light years away

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