Saturday

April 30, 2016
Total # Posts: 39

**Math**

How to solve this problem? Here is what I have done so far. 12(1/2)% x (1/2)/(3/4) First i solved the fractions (1/2) x (4/3) =4/6 I changed the 12(1/2)% into a decimal by solving 1/2, which is .5 which equals to 12.5 Answer is 1/12 but I have no idea how it got to that.
*March 9, 2016*

**math**

Suzy was putting a stone boarder around her square garden.she las able to complete one side of her garden before she ran out of stones.she usted 9 sones for the first side.How many more stones will she buy to complete her stone boarder?
*January 4, 2016*

**Statistic**

Researchers collected samples of water from streams in a mountain range to investigate the effects of acid rain. They measured the pH (acidity) of the water (a lower pH means the water is more acidic). They then classified the steams with respect to the kind of substrate (type...
*May 3, 2015*

**math please help ASAP**

There is a plane on top of a triangle with angles of 40 degrees and 80 degrees. The 40 degree angle is on the bottom left and the side opposite is Y. The 80 degrees angle is on the bottom right and the side opposite is X. So... What is X and what is Y?
*January 13, 2015*

**math**

There is a plane on top of a triangle with angles of 40 degrees and 80 degrees. The 40 degree angle is on the bottom left and the side opposite is Y. The 80 degrees angle is on the bottom right and the side opposite is X. So... What is X and what is Y?
*January 13, 2015*

**Math**

What is the area of a quadrilateral with sides 24 and 40 and a shared angle of 135 degrees ? Thank you
*January 13, 2015*

**Math**

They are not parallel because they do not have the same slope. They are not perpendicular because their slopes and not opposite reciprocals of each other. So... they are neither. The slope for line A is -5/3 and the slope for line B is 5/3
*January 13, 2015*

**Math**

A building was 210 ft high and a guy was 8 ft from the top and let down a wire that is .44 radians (degrees) to the ground... How long is the wire?
*December 30, 2014*

**Math**

The minimum is (3 π, 5) and the maximum is (5 π, 8). What is the amplitude and what is the period?
*December 16, 2014*

**math**

there is a women standing on a building. she sees a car. angle of depresion changes from 28 to 43 . distance traveled is 230 . find the hight of the building
*December 16, 2014*

**chemistery**

What is the molar concentration of a solution of sulfuric acid, H2SO4, if 4.64 mL react completely with 0.644 g of NaOH which was dissolved in 200 mL of water? Hint given in feedback
*October 7, 2014*

**PLZZ HELP ME WITH THIS MATH MS SUE.**

this don't help
*March 12, 2014*

**Chemistry **

You are given the following decomposition reaction of ammonia NH3 ---> H2 + N3 unbalanced When you decompose 12.0g of NH3you produce 1.87 g of H2 Calculate the percent yield of H2
*April 18, 2013*

**chemistry**

mass of crucible- 26.4574g mass of crucible and hydrated sample- 27.7617g mass of hydrated sample 1.3043g mass of crucible and dehydrated sample- 27.5693g mass of dehydrated sample- 1.1119g mass of filter paper- 0.7089g mass of filter paper and copper- 1.1418g mass of copper...
*February 19, 2013*

**phi103**

display all the possible truth values involved with a set of sentences.
*February 18, 2013*

**chemistry**

how much heat is required to melt 15 g of ice which is at a temperature of 0 degrees celsius
*July 24, 2012*

**physics**

Imagine a car involved in a head-on crash. The driver, whose mass is m, is to be brought uniformly to rest within the passenger compartment by compressing an inflated air bag through a distance sc. Write an expression for the average force exerted on the bag in terms of m, vi...
*May 30, 2012*

**chemistry**

HF is the hydrogen bond in the listed below because hydrogen must be bonded to either a fluorine,oxygen or nitrogen atom.
*December 1, 2011*

**calculus**

what happens when Limit as x approaches infinity A) (sqrt(9+10x^2))/(7+9x)
*December 1, 2011*

**Calculus**

what happens when the limit goes to infinity 4x-6sqrt(x)
*December 1, 2011*

**social studies**

true
*November 10, 2011*

**sience**

why is the pressure more on ground when a person is walking than when he is standing ?
*September 28, 2011*

**science**

how does the weight of an object change with in sea change with densities ?
*September 28, 2011*

**physics **

can i have multiple choice questions on thermodynamics: relationship between work and heat, the first law of thermodynamic, and the second law of thermodynamic
*March 18, 2011*

**math 117**

can someone help me with this radical numbers problem? (2suare root 8)(2-square root 8) would it be 2 square root 4?
*August 15, 2010*

**progamming JAVA**

1.Write an algorithm, in English, to solve the following problem. Be sure to include pre- and post-conditions! 2.Problem: Solve X mod Y for all positive integers. Do so without using multiplication or division. 3.What is (7 / 3) + (4 % 5)?
*April 17, 2010*

**Programming JAVA**

1. What is 9.9 + (11 % 8)? 2. Write one line that creates a variable named Pickles that can hold an integer and assign it the value of ten.
*April 17, 2010*

**organic**

what is the best way to synthesize 4-isopropylbenzonitrile?
*March 2, 2009*

**organic**

what amine forms an N-nitrosoamine on treatment with NaNO2 in dlute aqueous acid at 0 degrees celsius?
*March 2, 2009*

**organic chemistry**

What compounds gives diethylamine, on reduction with lithium aluminum hydride?
*March 2, 2009*

**organic**

what will the structure look like if a tetrahedral intermediate is formed during the reaction of an ester with an amine?
*February 6, 2009*

**organic chemistry**

what site dr bob
*February 6, 2009*

**organic chemistry**

what is the first and second step in a alkene halogenation reaction
*February 6, 2009*

**organic**

what is the best synthesis of 4-isopropylbenzonitrile?
*January 22, 2009*

**organic**

how do you prepare m-bromophenol (E)?
*January 22, 2009*

**organic**

what amine is forms an N-nitrosoamine on treatment with NaNO2 in dilute aqueous acid at 0' C?
*January 22, 2009*

**organic**

what is the major species present in a solution of glycine at a ph of 2
*January 22, 2009*

**organic**

which substituent increases the acidity of a phenolic hydroxyl group when located next to it? CH3- CH3Cdouble bond O -C double bond N
*January 22, 2009*

**organic**

how do you convert methyl-CH2CH2CH2CH3 to methyl-CH-CL-CH-CL-CH2CH3
*January 22, 2009*

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