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## HARD BUT CHEAP – WAEC MATHS ANSWERS 2018 | MATHS 2018 FREE EXPO RUNZ

Study to show thyself Approved – HARD BUT CHEAP – WAEC MATHS ANSWERS 2018 | MATHS 2018 FREE EXPO RUNZ – Presently 2018 WAEC Maths Answers Released – See Waec Free Mathematics Questions for Objectives & Essay With fully solved solutions free of charge.

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### 2018 waec mathematics questions and answers

Section B [Theory]

3.

The diagram above shows the three lines x = 8, x + y = 21 and 2y = 12 + x which intersect at the points A, B and C.
(a) Find the coordinates of B.

(b) The region inside triangle ABC is defined by three inequalities.
One of these is x + y < 21.
Write down the other two inequalities.

(c) Find the coordinates of the point, with integer coordinates, that is inside triangle ABC.

### HARD BUT CHEAP – WAEC MATHS ANSWERS 2018 | MATHS 2018 FREE EXPO RUNZ

1.

In the diagram above, the points A, B, C and D lie on the circle, centre O. TA and TB are tangents touching the circle at A and B respectively.
AÔB = 132°, AĈD = 59° and AOC is a straight line.

(a) Find ATB.

(b) Find BDA.

(c) Find BDC.

(d) Find OBD.

2. The diagram below is the speed–time graph of part of a train’s journey.

## waec mathematics questions 2018

The train slows down uniformly from a speed of 50 m/s to a speed of 10 m/s in a time of 20 seconds.
During the next 30 seconds, it accelerates uniformly to a speed of u m/s.
(a) Calculate the deceleration from t = 0 to t = 20.

(b) Calculate the speed of the train when t = 15.

(c) Calculate the distance travelled by the train from t = 0 to t = 20.

(d) The size of the acceleration is half the size of the deceleration. Find the value of u.

### WAEC Maths Obj Questions 2018:

1. Express as a single fraction
5/7 – 2/5.

2. The temperature in a freezer is –18 °C. The outside temperature is 24 °C. Find the difference between the outside temperature and the freezer temperature.

3. The ratio of boys to girls in a class is 4 : 5. What fraction of the class are boys?

4. The ratio of boys to girls in a school is 3 : 4. There are 120 more girls than boys. How many students are in the school?

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