Maths Paper 2 Calc Study Guide Questions 2024.
There's a t & s (t = 6x by 8)(s = 4x-1 by 5) area of t is 10 greater than s. find x - ANSWER S = 5(4x-1)=>(20x-5) & T = 1/2 x 8 x 6x =(24x) ==> T=24x-10) & (S=20x-5) => 24x-20x / 10-5 ==> 4x=5 & [x=1.25]
If (-2 < n < 5) whats grea...
Maths Paper 2 Calc Study Guide Questions 2024.
There's a t & s (t = 6x by 8)(s = 4x-1 by 5) area of t is 10 greater than s. find x - ANSWER S = 5(4x-
1)=>(20x-5) & T = 1/2 x 8 x 6x =(24x) ==> T=24x-10) & (S=20x-5) => 24x-20x / 10-5 ==> 4x=5 & [x=1.25]
If (-2 \< n < 5) whats greatest value of n - ANSWER 4. Cannot be equal to or higher than 5
Solve (2/5g-4<6) - ANSWER +4,x5,divide2 ==> =(g<25)
A number, d, is rounded to 1d.p making it 12.7 complete error interval for d - ANSWER LB=(12.65)/< d < UB=(12.75)
PART A) If John throws biased dice twice (landed on 6, 15 times after being thrown 60 times) estimate probability dice lands on 6 both times - ANSWER 15/60 x 15/60 = 1/16
PART B) If sally throws same dice n times and record number it lands on each time she'll then use results
to make more reliable estimate (than in part a) What can you say about n's value? - ANSWER It will be greater than 60 for more accurate results
Here's first 4 terms of quadratic sequence. (3,9,17,27) Find expression in terms of n for nth term - ANSWER Diff between: (9&3=6)(17&9=8)(27&17=10) so => Diff between: (8&6=2)(10&8=2) {formula: an^2+bn+c} => (3)>a(1)^2+b(1)+c & (9)>a(2)^2+b(2)+c & (17)>a(3)^2+b(3)+c so (a=1)(b=3)(c=-1) [n^2+3n-1]
Show that the equation x^4-x^2-5=0 can be written as x=^4 (root x^2+5) - ANSWER Make x subject by (+5,+x^2 then make both equations ^4(root) then subject from left column
ABC is right angled triangle. ( Opposite = 9.3 & hypotenuse = 12.6) ==> Find angle x - ANSWER Sin^-
1(9.3/12.6) => [=47.6]
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