Im a yr 10 student who is trying to do the math ext1 and ext2 hsc. Because at the school I go to noone gives you a real help I stuffed up big time. Noone told me that the all the tests you do from the beggining of yr 12 counted towards the hsc, so I had this ext1 test the other day which was...
1)In Morse code, letters are formed by a sequence of dashes and dots. How many different
letters is it possible to represent if a maximum of ten symbols are used?
2) Five backpackers arrive in a city where there are five youth hostels.
(a) How many different accommodation arrangements are...
A man in a rowing boat is presently 6km from the nearest point A on the shore. He wants
to reach as soon as possible a point B that is a further 20km down the shore from A.
If he can row at 8 km/hr and run at 10 km/hr, how far from A should he land?
Dont worry guys I found the answer. I just had to ote that the sample space for question c) was either G passes, or E passes or S passes, and divide E passing over the sample space
Sophia, Gabriel and Elizabeth take their driving test. The chances that they pass are 1/2
,
5/8
and 3/4
respectively.
(a) Find the probability that Sophia passes and the other two fail.
(b) By listing the possible outcomes for one of the girls passing and the other two failing,
find the...
Guys just wondering if it is possible to get full marks in the actual test and if anyone has done it before. Just asking cause some of the questions in question 7 and 8 are freaking hard/
Ok guys Ive been having a serious problem in some graphing questions. These questions are when they give u a graph of y=f(x) and tell u to graph y=f(|x|). I know how to graph y=|f(x)| cause it makes sense but but y=f(|x|)???? Just how? Pls help cause i have a test cominng up and ive got no idea...
Question 6: P is a variable on the line x=4 and OPQR is a rectangle in which the length of OP is twice the length of OR. Find the locus of S in Cartesian form, where S is the point of intersection of the diagonals.
Question 19: Let z=x+iy and w= u+iv =(z-1)^2 +2 be complex numbers in an...