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Soulja
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why does the presence of nacl not give an inaccurate result?
Also can nacl react with reagents
1 AnswerChemistry7 years agoEconomics - Crossrail ?
Assess the case for making businesses which will benefit from Crossrail contribute towards the costs?
1 AnswerEconomics7 years agoCan people make money off YouTube?
By editing Football Clips..
If so how is this possible? Because there is a YouTube channel that is partnered by YouTube and all he does is edits football clips, however when I tried this, my account got terminated and all of my videos were monetized.
2 AnswersYouTube7 years agoChemistry help please?
What is the name of this structural formula the brackets imply the branched chain
CH3CH(CH3)C(CH3)(CH3)Br
1 AnswerChemistry7 years agoZinc forms many different salts including zinc sulfate, zinc chloride and zinc fluoride.(CHEMISTRY HELP)?
Zinc forms many different salts including zinc sulfate, zinc chloride and zinc fluoride.
People who have a zinc deficiency can take hydrated zinc sulfate (ZnSO4.xH2O) as a
dietary supplement.
A student heated 4.38 g of hydrated zinc sulfate and obtained 2.46 g of anhydrous
zinc sulfate.
Use these data to calculate the value of the integer x in ZnSO4.xH2O
Show your working.
1 AnswerChemistry7 years agoThe curve c has equation y=(x-3)^2?
describe fully the transformation that would map C onto the graph y=x^2
Explain please (:
1 AnswerMathematics7 years agoBest way to loose weight?
I already found this beautiful blogspot it includes literally everything now I just need to know what types of exercise to do and why?
Just in case somebody wanted to see the blogspot it's right here: http://howtolooseweight2014.blogspot.co.uk/
1 AnswerDiet & Fitness7 years agoFlappy bird addiction is getting on my nerves?
IS THERE ANY HACK OR ANYTHING THAT I CAN USE TO GET RID OF THIS ADDICTION.
5 AnswersVideo & Online Games7 years agoFind the value of x without a calculator x^2.5 = 32?
Please tell me how you work it out (step by step if possible)
Thanks :D
(the answer should be 4)
2 AnswersMathematics7 years agoHow can government spending increase unemployment?
I know it can reduce unemployment, however can it increase unemployment, if so how?
2 AnswersOther - Politics & Government7 years agoProbabilities Statistics HELP?
The members of a wine tasting club are married couples. For any married couple in the club, the probability that the husband is retired is 0.7 and the probability that the wife is retired 0.4. Given that the wife is retired, the probability that the husband is retired is 0.8.
Two married couples are chosen at random.
d) Find the probability that only one of the two husbands and only one of the two wives is retired.
Please Explain your answer (step by step if possible)
Thanks (:
1 AnswerMathematics7 years agoProbabilities S1 (AS LEVEL) HELP!?
A study was made of a group of 150 children to determine which of three cartoons they watch on television. The following results were obtained:
35 watch Toontime
54 watch Porky
62 watch Skellingtons
9 watch Toontime and Porky
14 watch Porky and Skellingtons
12 watch Toontime and Skellingtons
4 watch Toontime, Porky and Skellingtons
e) Find the probability that they both watch Skellingtons.
Thanks (:
1 AnswerMathematics7 years agoHow to factor out -1 if the coefficient is negative?
For example: 4x-3x^2-x^3
How do I factor -1 and hence get the answer: x(1 − x)(4 + x)
2 AnswersMathematics7 years agoC2 Differentiation help?
a container made from thin metal is in the shape of a right circular cylinder with height (h cm) and base radius (r cm). the container has no lid. when full of water, the container holds 500cm^3 of water.
find the value of r for which A is a minimum
Calculate the minimum value of A giving your answer to the nearest integer.
Thanks
3 AnswersMathematics7 years agoC2 Differentiation help?
The diagram (http://snag.gy/6THRi.jpg) shows a sketch of a part of the curve with equation
y=x^3-7x^2+15x+3 x is greater than or equal to 0
The point P, on C, has x-coordinate 1 and the point Q is the minimum turning point of C.
Find the coordinates of Q.
and
Show that PQ is parallel to the x-axis.
1 AnswerMathematics7 years agoDifferentiation C2 HELP?
The curve with equation y= (2x+1)(x^2-k) where k is a constant has a stationary point where x=1
Find the coordinates of the stationary points and determine the nature
I worked out K, K=4
now I don't know what to do .. please help... thanks :D
2 AnswersMathematics7 years agoMaths Help - The gradient of the curve at the point where x=7 is 11?
Find the points on the curve y=x(x-1) (x-2) which have the same gradient (Show all your working out).
Thanks (:
1 AnswerMathematics7 years agoMATHS HELP, Sketching Curves?
A diagram shows a sketch of the curve with equation y=3/x, x is not 0
(a)On a separate diagram, sketch the curve with equation y=3/x+2 x is not -2 showing the coordinates of any point at which the curve crosses a coordinate axis.
Also write down the equations of the asymptotes of the curve in part (a)
2 AnswersMathematics7 years ago