2 * (50 - x) = 70
50 - x = 35
x = 15
You can miss 15 questions.
1(95-x)=70 95x=70 x 25x
This question is unanswerable because it is not specified what is that is being taken as a percent of a circle.
_______% of ___________= can also be calculated as _______%*____________= with the percent being put into decimal form 3% of 1700= .03*1700=...
Any two points lie on the same line, since a line can be drawn through any two points.Three points that lie on the same line are described as being "collinear" points.
Do you need it? Are you being told to calculate it? percent yield = (actual yield) divided by (theoretical yield) x 100
5 points, if all questions are being given equal marks.
you can miss 12 questions 30 right = 30/42 = 71%
Any questions.
1(95-x)=70 95x=70 x 25x
Getting Trust PointsYou get trust points by answering questions with good and constructive answers. If the person who asked the question - or anybody who reads the question - feels that your answer was good and useful to them, they click the "Recommend contributor" button just below the answer. The best way to get trust points is by answering a lot of questions. This brings "wiki-publicity" to your username, which gets you a higher chance of being recommended (they must be good answers, otherwise recommendations won't happen!).
Perhaps you are being ambiguous in your question. That would prevent the question being answered to your satisfaction
not really...
On the top right of the question click a tab saying 'answer it'
Supervisors have a link in the sidebar to "protect" questions that are being vandalized. This question has been locked, not because I think it's in danger of being vandalized, but as an example of what a locked question looks like. Ordinary users can't lock questions.
Assuming you get full marks for ALL the answers you give the 90% of 13 = 11.7 As you can not answer just 0.7 of a question you would therefor have to complete 12 of the 13 questions to get 90%. However, it is very unusual to get full marks for every question you answer and this means that missing out just ONE question will probably cause you to fall below 90% of the marks available. In general, in an exam it sis BEST to start by answering all the questions and then if there is time improving the answers for the questions you know most about. This is because most of the marks are obtained by the easiest things you know about the question's subject, with the final marks being assigned to the more esoteric points. Therefore good exam technique is to go for the most (easiest to get) marks first then put the effort in to obtaining the more difficult marks.
What question did you want answers to. Try again.
Yes, that way when your question is recorded it can go on the 'Unanswered questions' page for someone to answer