Posts by johny

Total # Posts: 43

SCIENCE
You are going to fail

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.

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?

Language Art's
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Physics
2c

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...

English
Again, I don't think you are still looking for some kind of help, my recommendation is to contact Supreme essay service. Those guys are real professionals in what they do. So you can definitely give them a try. Good luck!

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?

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?

Math
What is the area of a quadrilateral with sides 24 and 40 and a shared angle of 135 degrees ? Thank you

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

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?

Math
The minimum is (3 π, 5) and the maximum is (5 π, 8). What is the amplitude and what is the period?

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

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

PLZZ HELP ME WITH THIS MATH MS SUE.
this don't help

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

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...

phi103
display all the possible truth values involved with a set of sentences.

chemistry
how much heat is required to melt 15 g of ice which is at a temperature of 0 degrees celsius

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...

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

calculus
what happens when Limit as x approaches infinity A) (sqrt(9+10x^2))/(7+9x)

Calculus
what happens when the limit goes to infinity 4x-6sqrt(x)

social studies
true

science
why is the pressure more on ground when a person is walking than when he is standing ?

science
how does the weight of an object change with in sea change with densities ?

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

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?

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)?

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.

organic
what is the best way to synthesize 4-isopropylbenzonitrile?

organic
what amine forms an N-nitrosoamine on treatment with NaNO2 in dlute aqueous acid at 0 degrees celsius?

organic chemistry
What compounds gives diethylamine, on reduction with lithium aluminum hydride?

organic
what will the structure look like if a tetrahedral intermediate is formed during the reaction of an ester with an amine?

organic chemistry
what site dr bob

organic chemistry
what is the first and second step in a alkene halogenation reaction

organic
what is the best synthesis of 4-isopropylbenzonitrile?

organic
how do you prepare m-bromophenol (E)?

organic
what amine is forms an N-nitrosoamine on treatment with NaNO2 in dilute aqueous acid at 0' C?

organic
what is the major species present in a solution of glycine at a ph of 2

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

organic
how do you convert methyl-CH2CH2CH2CH3 to methyl-CH-CL-CH-CL-CH2CH3

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