Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 38

**business and finite calc **

2) The amount of gasoline sold every week at a gas station is Normally distributed with a mean of 30,000 gallons and a Standard Deviation of 3,000 gallons. What is the Probability that in a given week that the amount of gasoline sold is between 28,000 and 35,000 gallons?

**Math**

I studied for four hours. I added 2 more hours every day for a week. How many more days do I have to study until I have spend 20 hours studying?

**math**

Barry stacks 78 boxes of DVDs in a wearhouse each box has 116 DVDs nineteen of the boxes are shipped how many DVDs are left in the wearhouse

**english**

what logical fallacies do you see in each one and need a breif explanation 1.Resistance is futile 2."It's the economy, stpid" 3.Yes we can (obamma campain)

**Math**

write a ratio comparing widths, lengths, and the perimeter of a rectangle 6 inches by 9 inches and a rectangle 8 inches by 12 inches. Show whether these are are equivalent or not.

**Physics**

The radius of planet X is 5.0 bleems. It takes 4 earth years to complete it's orbit. Another planet, Z, orbits the same sun and has an orbit with the radius of 12 bleems. How long does it take for planet Z to complete an orbit?

**Math**

From the definition of Angular Speed: the second hand travels a whole revolution of 360 degrees which has its equivalent as 2π. So, the equation will be (1.12in)(2π/60min)=0.117in/min Hope I helped you in solving. Best Regards

**world civilization 1 his 103**

• How has the nature and technology of warfare evolved, from earliest times to 1500 CE?

**Physics**

A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the angle that the ladder makes with the wall.

**Physics**

A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the angle that the ladder makes with the wall.

**chemistry**

I went to our school's tutoring lab and received the explanation I needed to understand this. However I have another related question. I don't know if you will see this or not. Suppose we have a similar problem, except using Aluminum and HCl. The ratio is different. I ...

**chemistry**

472 mL of H2 gas was collected over water when 1.256 g of Zn reacted with excess HCl. The atmospheric pressure during the experiment was 754 mm Hg and the temperature was 26 degrees C. A. Write the balanced chemical equation (I have this) Zn + HCl ---> ZnCl2 + H2 B. What is...

**mathematical modeling**

Use the 68-95-99.7 rule to solve: The amount of Jen's monthly phone bill is normally distributed with a mean of $48 and a standard deviation of $6. Fill in the blanks. 95% of her phone bills are between $_____ and $_____.

**Physics**

A rifle with a mass of 1.2 kg fires a bullet with a mass of 6.0 (0.006kg). The bullet moves with a muzzle velocity of 600 m/s after the rifle is fired. a. What is the momentum of the bullet after the rifle is fired? b. If external forces acting on the rifle can be ignored, wha...

**Physics **

A force of 20N applied parallel to the surface of a horizontal table,is just sufficient to make a block of mass 4kg move on the table.calculate the coefficient of friction between the block and the table.

**Physics **

The answer is 13.75

**Western Civilization**

How did encounters among the Persians, Hebrews and Archaic Greks help shape the Clasical Age of Greece?

**Western Civilization**

How did the Greek encounters with the Near and Middle East shape political, economic, and cultural developments of the Hellenistic world?

**Humanities/Western Civilization**

Describe the conflict between church and state in the medieval period.

**Humanities/Western Civilization**

Why are the 14th and 15th centuries often referred to as the centuries of crisis for western Europe?

**math**

No

**algebra**

The power P needed to propel a boat is directly proportional to the cube of the speed of the boat. A 100 hp engine is needed to propel a boat at 15 knots. Find the power needed to drive the boat at 20 knots.

**lang**

What is preposition phrase in the follow sentence: When you are seasick, you are not really sick from the sea.

**statistics**

Therefore, how to solve this problem is simple. If you have noticed, the question says, "Let represent the number of times a student takes Western Civilization until the first passing grade is received." The variable that is supposed to go in between the words 'L...

**statistics**

P(n) = p(1-p)^(n-1), where p is the probability of success in each trial, and n is the number of trials.

**Science (Chemisty)**

Why do you never find liquid bromine in your neighborhood?

**Science (Chemisty)**

In an old "Star Trek" episode, Captain Kirk and Spock come across a life form called the Horta made mostly of silicon compounds. Based on silicon's place in the periodic table, do you think silicon compounds are a reasonable choice for an alien life form? Why or ...

**Physics**

A hockey puck with mass 0.237 kg traveling along the blue line (a blue-colored straight line on the ice in a hockey rink) at 1.4 m/s strikes a stationary puck with the same mass. The first puck exits the collision in a direction that is 30° away from the blue line at a spe...

**math**

i am having troble with fractions can u help

**8th grade math**

x=3\2

**diagramming a sentence**

Diagram the following Sentences: 1.) John Wycliffe taught at Oxford University and translated the Bible into English. 2.) The birds sang their first song of the spring; they uttered a few rapturous notes and waited for an answer in the silent woods 3.) The mayflowers open thei...

**Algebra**

(5x^3-6x^2+8)/(x-4). (4) 5 -6 8 5 14 72 For the remainder I divided 72/4 for 18. So the whole answer would be 5x^3+14x^2+18. But the book's answer is 5x^2+14x56+232/(x-4). Where did these numbers come from and where did I mess up?

**Algebra**

(4x^3-9x+8x^2-18)/(x+2)-use synthetic division to divide. I set it up like this (pretend the parentheses are the synthetic division box). (-2) 4 8 -27 4 0 -27. For remainders, according to my book, we're supposed to divide the remainder by the divisor. So it would be -27/-...

**English**

what instrument vibrates when you blow into it?

**science**

how does your ears give you balance?

**math ( average)**

What is the next step after adding and dividing?

**Chemistry**

well this sucks. i have to write a lab report on this. i know the above reacton forms a blue soilution, and cu(no3)2 is blue in water...hmmm...

**Writing**

I have spent 2 weeks writing a paper and I am trying to perfect the introduction. Below I will paste the introduction tell me what I can do to better and what questions you have and what it make you think of... “The disease of jealously is so malignant that it converts al...

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