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- The scale of a map is 1:50000. A lake on the map is 6.16cm2. find the actual area of the lake in hactares.(Solved)
The scale of a map is 1:50000. A lake on the map is 6.16cm2. find the actual area of the lake in hactares.
Date posted: June 20, 2019. Answers (1)
- Calculate the area of the shaded region below, given that AC is an arc of a circle centre B. AB=BC=14cm CD=8cm and angle ABD =...(Solved)
Calculate the area of the shaded region below, given that AC is an arc of a circle centre B. AB=BC=14cm CD=8cm and angle ABD = 750
Date posted: June 20, 2019. Answers (1)
- (i) Expand (5+x/2) upto the term in X3
(ii) Use your expansion to estimate the value of (11/2)6 correct to one decimal place(Solved)
(i) Expand (5+x/2) upto the term in X3
(ii) Use your expansion to estimate the value of (11/2)6 correct to one decimal place
Date posted: June 20, 2019. Answers (1)
- (a) Expand (1 – 3x)5
(b) use your expansion to estimate the value of (0.997) Correct to 4 d.p.(Solved)
(a) Expand (1 – 3x)5
(b) use your expansion to estimate the value of (0.997) Correct to 4 d.p.
Date posted: June 20, 2019. Answers (1)
- (a) Expand ( 3 + 2x)6 up to the fourth term
(b) Use your expansion to estimate:- (3v3 )6(Solved)
(a) Expand ( 3 + 2x)6 up to the fourth term
(b) Use your expansion to estimate:- (3√3 )6
Date posted: June 20, 2019. Answers (1)
- Two dice are thrown once and their sum noted. Find the probability that the sum is odd(Solved)
Two dice are thrown once and their sum noted. Find the probability that the sum is odd
Date posted: June 20, 2019. Answers (1)
- Find the length PR in a triangle PQR having PQ = 12cm, QR = 8.4cm angle QPR = 35o
and angle PRQ = 75o leaving your...(Solved)
Find the length PR in a triangle PQR having PQ = 12cm, QR = 8.4cm angle QPR = 35o
and angle PRQ = 75o leaving your answer correct to decimal places
Date posted: June 20, 2019. Answers (1)
- (a) Use binomial expansion to evaluate (2+3/x)5 up to the fifth term
(b) By expressing 9.5 in the form (2 + 3/x), use the expansion in...(Solved)
(a) Use binomial expansion to evaluate (2+3/x)5 up to the fifth term
(b) By expressing 9.5 in the form (2 + 3/x), use the expansion in (a) above to calculate (9.5)5
correct to 3 d.p
Date posted: June 20, 2019. Answers (1)
- Use the expansion of (x – 0.2)5 to find the exact value of 9.85(Solved)
Use the expansion of (x – 0.2)5 to find the exact value of 9.85
Date posted: June 20, 2019. Answers (1)
- Solve for x in the equation;
log (x + 24) = 2 log 3 + log (9 – 2x).(Solved)
Solve for x in the equation;
log (x + 24) = 2 log 3 + log (9 – 2x).
Date posted: June 20, 2019. Answers (1)
- Expand (1 + x/12) in ascending powers of x upto the fourth term.
Use the four terms to evaluate (5/4)6 to 4 decimal places.(Solved)
Expand (1 + x/12) in ascending powers of x upto the fourth term.
Use the four terms to evaluate (5/4)6 to 4 decimal places.
Date posted: June 20, 2019. Answers (1)
- (a) Expand and simplify the binominal expression ( 1 + ½ x)8
(b) Use the expansion up to the fourth term to evaluate (1.05)8 to 2...(Solved)
(a) Expand and simplify the binominal expression ( 1 + ½ x)8
(b) Use the expansion up to the fourth term to evaluate (1.05)8 to 2 decimal places
Date posted: June 20, 2019. Answers (1)
- Expand (3 + x)4 in ascending powers of x. Use the first three terms of the expansion to
evaluate (3.02)4, correct to 3 decimal places(Solved)
Expand (3 + x)4 in ascending powers of x. Use the first three terms of the expansion to
evaluate (3.02)4, correct to 3 decimal places
Date posted: June 20, 2019. Answers (1)
- a) Using binomial expansion, determine the first five terms of the expansion: (2-1/x)8
b) Use the expansion above to evaluate (1.75)8(Solved)
a) Using binomial expansion, determine the first five terms of the expansion: (2-1/x)8
b) Use the expansion above to evaluate (1.75)8
Date posted: June 20, 2019. Answers (1)
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In the figure above K, M & P are points on a straight line. PN is a tangent of the circle centre O.
Angle KOL =...(Solved)
In the figure above K, M & P are points on a straight line. PN is a tangent of the circle centre O.
Angle KOL = 130o and angle MKN = 40o. Find, giving reasons, the values of angles.
(i) MLN
(ii)OLN
(iii) LNP
(iv) MPN
(v) LMO
Date posted: June 20, 2019. Answers (1)
- The figure O and P are centres of two intersecting circles. ABE is tangent to circle BCD
at B angle BCD is 42o
(a) Giving reasons for...(Solved)
The figure O and P are centres of two intersecting circles. ABE is tangent to circle BCD
at B angle BCD is 42o
(a) Giving reasons for your answer, find:-
(i) CBD
(ii) DOB
(iii) DAB
(iv) CDA
b) Show that ADB is isosceles
Date posted: June 20, 2019. Answers (1)
- The figure below shows two intersecting circles radii 8 cm and 6 cm respectively.
The common chord AB = 9cm ad P and Q are the...(Solved)
The figure below shows two intersecting circles radii 8 cm and 6 cm respectively.
The common chord AB = 9cm ad P and Q are the centres as shown:
(a) Calculate the size of angles:-
(i) APB
(ii) AQB
(b) Calculate the area of the shaded region
Date posted: June 19, 2019. Answers (1)
- In the figure below ABC is a tangent to the circle at B. given that (Solved)
In the figure below ABC is a tangent to the circle at B. given that 
Find the sizes of the following angles giving reasons in each case:
a)BDG
b)DGE
c)EFG
d)CBD
e)BCD
Date posted: June 19, 2019. Answers (1)
- The chords AB and PQ intersects internally at O. Given that the length of OP=8cm,
OA= 4.5cm and OQ=6cm. Calculate the length of OB(Solved)
The chords AB and PQ intersects internally at O. Given that the length of OP=8cm,
OA= 4.5cm and OQ=6cm. Calculate the length of OB
Date posted: June 19, 2019. Answers (1)
- The figure below shows a circle centre O. AB and PQ are chords intersecting externally
at a point C. AB = 9cm, PQ = 5cm and...(Solved)
The figure below shows a circle centre O. AB and PQ are chords intersecting externally
at a point C. AB = 9cm, PQ = 5cm and QC = 4cm. Find the value of x
Date posted: June 19, 2019. Answers (1)