Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 37

**Statistics**

If you pick a card at random from a well shuffled deck what is the probability you will pick a face card or a spade?

**physics**

A 13 g bullet is stopped in a block of wood ( m w = 3 . 1 kg). The speed of the bullet- plus-wood combination immediately after the collision is 0 . 57 m / s. What was the original speed of the bullet? Answer in units of m / s

**Physics**

A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it takes the package to hit the ground? [Hint: The package's initial speed equals the helicopter's]

**College Math**

20s-5r ---------- 10r-5s reduce to simplest form

**math**

A student is awake k hours each day and spend k/5 hours each day doing homework. In terms of k, how many days will it take the student to complete homework assignments that require a total of 20 hours?

**math**

using the terms factor,divisor,multiple,product by,write as many statements as you can about he number sentence 6 times 8 = 48

**Chemistry**

(1) What is the percentage oxygen in 4grams of caco3. (2) What mass of Oxygen is require to react completely with 16grams of hydrogen.

**chemistry**

calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution?

**chemistry**

calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution

**Grammar**

Tony liked that car at the dealership. The verb in this phrase would be "at" right because it shows the action of where he likes the car??

**Grammar**

Aaron plans to attend college once he completes this course workbook. The verb in this phrase would be "attend" becuase is the action he is gong to do right??

**Grammar**

The united states of america is located in north america. Is the verb in this sentence just "is" or is "located" a verb to??

**Grammar**

Two men went on a fishing trip on the gulf lo Mexico and caught 25 fish. The verbs in this phrase are "went" and "caught" right because it shows the action of what they did??

**Language arts**

" must" ??

**Language arts**

Life is full of choices, so i must learn to make good ones. Is the verb in this phrase just " is" or are there more

**Language arts**

So in this phrase: Tony liked that car at the dealership. The verbs would be: liked and dealership or just liked because it shows what his action is?

**Language arts**

If his doing something then it must be BOUGHT righ. Because he bought a computer

**Language arts**

What are the verbs in this phrase. Reggie bought a computer today at the store for $700.

**Language arts**

: ) thanks you really helped me out here

**Language arts**

Oh ok This is the last one i really appreciate you helping me Betty plans to visit California this summer. The verb would be visit right becuase is what she is going to do right?

**Language arts**

I think is either seven or has?

**Language arts**

Is?

**Language arts**

What are the verbs in this phrase: The earth has seven continents

**Language arts**

What are the verbs in this phrase: Hawaii is one of the most beautiful places on earth

**physics**

An object is thrown downward with an initial speed of 5 m/s from a height of 78 m above the ground. At the same instant, a second object is propelled vertically from ground level with a speed of 50 m/s. The acceleration of gravity is 9.8 m/s2. At what height above the ground w...

**the percent equation**

1. find 30% 0f 70 2 what is 80% of 65 3 what percent of 56 is 14 4 36 is what percent of 40 5 80 is 40% of what number? 6 65% of what number is 78 7 what percent of 2000 is 6 8 12 is what percent of 4000 9 what percent of 3000 is 18 10 what is 110% of 80 11 find 180% of 160 12...

**math**

What is (x+c)^3

**Science (Chemistry)**

water would taste 50000 million times better!!! yummayyy

**Math**

How do you solve second order initial value problems? I don't understand how would solve these questions..for example (d^2 y)/(dx^2 )=24x^2-10. When x=1, dy/dx = 3, and y = 5. Can anyone explain how?

**Math Nightmare**

I need help The design of a new airplane requires a gasoline tank of constant cross-sectional area in each wing. A scale drawing of a cross section is shown here. The tank must hold 5000lb of gasoline, which has a density of 42 lb/ft3. Estimate the length of the tank. Y0 = 1.5...

**Chemistry**

How would you find the mass in grams of the following 4.01*10^23 atoms Ca, 40.08 g/mol

**English**

How can make this sentense not be a fragment "Though my contributions won’t seem like a great deal on a world wide scale, if my work means that one less person fall through the hole of society’s cruel world, then I will know that my efforts have been worthwhile....

**Math Calculus**

Help! I really do not understand solving functions and derivatines with the Mean Value Theorum. Can anyone help explain it? (my textbook is not helping at all!)

**history**

Robert de La Salle He was born in France on November 24, 1643 He is sometimes called "the Father of the Louisiana Territory." He went to a Jesuit school I believe. I know there ahave been streets named after him called Avenue La Salle, in Canada, that all I know though

**bio**

DNA replications occurs when a cell is going to divide. Before replication can occur, the length of the DNA double helix about to be copied must be unwound. In addition, the two strands must be separated, much like the two sides of a zipper.

**Math Calculus**

This is a problem set I do not undestand Let y1 = a^x, y2 = NDER y1, y3 = (y2/y1), and y4 = e^(y3) a) Descirbe the grapgh of y4 for a = 2,3,4,5. Generalize your description to an arbitrary a > 1. b) Descibe the graph of y3 for a = 2,3,4,5. Compare a table of values for y3 f...

**social studies**

What is the purpose of the President's cabinet? http://usgovinfo.about.com/blcababout.htm Read especially the section entitled Does the Constitution provide for the Cabinet? Also these: http://bensguide.gpo.gov/6-8/government/national/cabinet.html http://usgovinfo.about.co...

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